./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0504_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_3192aaf3-1bb0-4b30-a60e-7009f782898a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3192aaf3-1bb0-4b30-a60e-7009f782898a/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_3192aaf3-1bb0-4b30-a60e-7009f782898a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3192aaf3-1bb0-4b30-a60e-7009f782898a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0504_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3192aaf3-1bb0-4b30-a60e-7009f782898a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3192aaf3-1bb0-4b30-a60e-7009f782898a/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad4b9fd301578a7ddb25530c70896459a49284f596306d3b6d0c853e43916174 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:52:24,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:52:24,228 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3192aaf3-1bb0-4b30-a60e-7009f782898a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:52:24,233 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:52:24,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:52:24,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:52:24,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:52:24,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:52:24,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:52:24,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:52:24,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:52:24,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:52:24,266 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:52:24,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:52:24,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:52:24,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:52:24,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:52:24,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:52:24,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:52:24,271 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:52:24,271 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:52:24,277 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:52:24,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:52:24,278 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:52:24,285 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:52:24,286 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:52:24,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:52:24,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:24,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:52:24,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:52:24,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:52:24,288 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:52:24,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:52:24,289 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:52:24,289 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_3192aaf3-1bb0-4b30-a60e-7009f782898a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3192aaf3-1bb0-4b30-a60e-7009f782898a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad4b9fd301578a7ddb25530c70896459a49284f596306d3b6d0c853e43916174 [2023-11-11 23:52:24,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:52:24,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:52:24,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:52:24,608 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:52:24,609 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:52:24,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3192aaf3-1bb0-4b30-a60e-7009f782898a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/list-ext-properties/test-0504_1.i [2023-11-11 23:52:27,833 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:52:28,167 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:52:28,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3192aaf3-1bb0-4b30-a60e-7009f782898a/sv-benchmarks/c/list-ext-properties/test-0504_1.i [2023-11-11 23:52:28,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3192aaf3-1bb0-4b30-a60e-7009f782898a/bin/ukojak-verify-0OAaufAVZV/data/a39888bd2/2f5ac539e2534834969bb8aecf7279bd/FLAG5106b4049 [2023-11-11 23:52:28,228 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3192aaf3-1bb0-4b30-a60e-7009f782898a/bin/ukojak-verify-0OAaufAVZV/data/a39888bd2/2f5ac539e2534834969bb8aecf7279bd [2023-11-11 23:52:28,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:52:28,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:52:28,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:28,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:52:28,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:52:28,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:28,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ceacf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28, skipping insertion in model container [2023-11-11 23:52:28,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:28,334 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:52:28,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:28,760 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:52:28,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:28,906 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:52:28,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28 WrapperNode [2023-11-11 23:52:28,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:28,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:28,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:52:28,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:52:28,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:28,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:28,987 INFO L138 Inliner]: procedures = 123, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 120 [2023-11-11 23:52:28,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:28,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:52:28,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:52:28,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:52:29,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:29,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:29,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:29,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:29,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:29,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:29,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:29,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:29,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:52:29,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:52:29,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:52:29,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:52:29,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:28" (1/1) ... [2023-11-11 23:52:29,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:29,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3192aaf3-1bb0-4b30-a60e-7009f782898a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:52:29,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3192aaf3-1bb0-4b30-a60e-7009f782898a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:52:29,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3192aaf3-1bb0-4b30-a60e-7009f782898a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:52:29,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:52:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:52:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:52:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:52:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:52:29,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:52:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:52:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:52:29,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:52:29,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:52:29,376 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:52:29,378 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:52:29,775 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:52:29,934 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:52:29,937 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:52:29,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:29 BoogieIcfgContainer [2023-11-11 23:52:29,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:52:29,942 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:52:29,943 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:52:29,955 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:52:29,956 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:29" (1/1) ... [2023-11-11 23:52:29,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:52:30,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:30,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2023-11-11 23:52:30,064 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2023-11-11 23:52:30,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:52:30,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:30,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:30,378 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 23:52:30,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:30,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2023-11-11 23:52:30,447 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-11-11 23:52:30,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:52:30,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:30,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:30,504 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 23:52:30,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:30,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2023-11-11 23:52:30,530 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2023-11-11 23:52:30,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:52:30,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:30,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:30,640 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 23:52:30,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:30,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-11 23:52:30,674 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-11 23:52:30,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:52:30,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:30,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:30,880 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 23:52:30,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:30,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2023-11-11 23:52:30,935 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2023-11-11 23:52:30,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:52:30,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:30,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:31,073 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 23:52:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:31,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2023-11-11 23:52:31,165 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-11-11 23:52:31,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:52:31,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:31,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:31,280 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 23:52:31,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:31,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2023-11-11 23:52:31,773 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2023-11-11 23:52:31,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:52:31,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:31,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:31,851 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 23:52:31,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:31,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2023-11-11 23:52:31,887 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2023-11-11 23:52:31,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:52:31,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:31,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:32,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:52:32,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:32,393 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 23:52:32,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:33,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 48 states and 62 transitions. [2023-11-11 23:52:33,000 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2023-11-11 23:52:33,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:52:33,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:33,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:33,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-11 23:52:33,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:33,348 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 23:52:33,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:33,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2023-11-11 23:52:33,763 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-11 23:52:33,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:52:33,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:33,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:34,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:34,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 58 states and 77 transitions. [2023-11-11 23:52:34,218 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2023-11-11 23:52:34,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:52:34,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:34,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:34,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:52:34,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:34,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 57 states and 76 transitions. [2023-11-11 23:52:34,414 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-11 23:52:34,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:52:34,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:34,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:34,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:35,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2023-11-11 23:52:35,139 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2023-11-11 23:52:35,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:52:35,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:35,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:35,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:35,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:35,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 65 states and 88 transitions. [2023-11-11 23:52:35,532 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2023-11-11 23:52:35,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:52:35,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:35,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:35,725 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:36,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:36,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 70 states and 94 transitions. [2023-11-11 23:52:36,512 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2023-11-11 23:52:36,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:52:36,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:36,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:36,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:52:36,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:37,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:37,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 73 states and 104 transitions. [2023-11-11 23:52:37,212 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2023-11-11 23:52:37,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:52:37,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:37,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:37,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:38,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:38,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 80 states and 116 transitions. [2023-11-11 23:52:38,146 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 116 transitions. [2023-11-11 23:52:38,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:52:38,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:38,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:38,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:52:38,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:38,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:39,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:39,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2023-11-11 23:52:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2023-11-11 23:52:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:52:39,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:39,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:39,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-11 23:52:39,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:39,563 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:40,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:40,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 88 states and 140 transitions. [2023-11-11 23:52:40,470 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 140 transitions. [2023-11-11 23:52:40,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:52:40,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:40,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:40,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-11 23:52:40,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:41,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:42,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:42,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 94 states and 149 transitions. [2023-11-11 23:52:42,693 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 149 transitions. [2023-11-11 23:52:42,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:52:42,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:42,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:42,894 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:43,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:43,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 98 states and 155 transitions. [2023-11-11 23:52:43,461 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 155 transitions. [2023-11-11 23:52:43,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:52:43,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:43,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:43,560 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:44,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:44,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 98 states and 151 transitions. [2023-11-11 23:52:44,164 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 151 transitions. [2023-11-11 23:52:44,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:52:44,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:44,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:44,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:52:44,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:44,742 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:45,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:45,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 99 states and 151 transitions. [2023-11-11 23:52:45,009 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 151 transitions. [2023-11-11 23:52:45,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:52:45,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:45,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:45,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-11 23:52:45,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:45,486 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:46,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:46,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 105 states and 160 transitions. [2023-11-11 23:52:46,911 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 160 transitions. [2023-11-11 23:52:46,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:52:46,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:46,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:47,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:52:47,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:47,199 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:47,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:47,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 109 states and 173 transitions. [2023-11-11 23:52:47,638 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 173 transitions. [2023-11-11 23:52:47,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:52:47,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:47,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:47,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:52:47,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:48,118 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:48,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:48,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 113 states and 178 transitions. [2023-11-11 23:52:48,938 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 178 transitions. [2023-11-11 23:52:48,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:52:48,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:48,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:49,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-11 23:52:49,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:49,693 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:52:51,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:51,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 119 states and 184 transitions. [2023-11-11 23:52:51,399 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 184 transitions. [2023-11-11 23:52:51,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:52:51,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:51,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:51,854 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:53,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 128 states and 206 transitions. [2023-11-11 23:52:53,191 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 206 transitions. [2023-11-11 23:52:53,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:52:53,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:53,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:53,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-11 23:52:53,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:54,716 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:55,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:55,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 129 states and 206 transitions. [2023-11-11 23:52:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 206 transitions. [2023-11-11 23:52:55,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:52:55,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:55,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:56,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-11 23:52:56,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:52:57,415 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:00,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 135 states and 214 transitions. [2023-11-11 23:53:00,091 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 214 transitions. [2023-11-11 23:53:00,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:53:00,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:00,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:00,369 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:00,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:00,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 139 states and 219 transitions. [2023-11-11 23:53:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 219 transitions. [2023-11-11 23:53:00,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:53:00,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:00,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:01,179 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:53:02,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 139 states and 214 transitions. [2023-11-11 23:53:02,067 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 214 transitions. [2023-11-11 23:53:02,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:53:02,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:02,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:02,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-11 23:53:02,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:02,537 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:03,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:03,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 143 states and 228 transitions. [2023-11-11 23:53:03,269 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 228 transitions. [2023-11-11 23:53:03,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:53:03,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:03,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:03,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-11 23:53:03,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:03,941 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:04,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:04,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 141 states and 224 transitions. [2023-11-11 23:53:04,469 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 224 transitions. [2023-11-11 23:53:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:53:04,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:04,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:04,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:53:04,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:04,829 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-11 23:53:05,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:05,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 143 states and 227 transitions. [2023-11-11 23:53:05,642 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 227 transitions. [2023-11-11 23:53:05,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:53:05,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:05,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:05,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:53:05,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:06,083 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:53:06,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:06,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 143 states and 226 transitions. [2023-11-11 23:53:06,837 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 226 transitions. [2023-11-11 23:53:06,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:53:06,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:06,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:07,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-11 23:53:07,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:07,115 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:53:08,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:08,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 149 states and 232 transitions. [2023-11-11 23:53:08,022 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 232 transitions. [2023-11-11 23:53:08,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:53:08,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:08,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:08,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:53:08,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:08,358 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-11 23:53:09,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:09,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 151 states and 233 transitions. [2023-11-11 23:53:09,128 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 233 transitions. [2023-11-11 23:53:09,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:53:09,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:09,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:09,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-11 23:53:09,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:09,984 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:10,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:10,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 152 states and 233 transitions. [2023-11-11 23:53:10,743 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 233 transitions. [2023-11-11 23:53:10,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:53:10,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:10,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:10,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-11 23:53:10,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:53:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:53:16,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:16,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2023-11-11 23:53:16,270 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2023-11-11 23:53:16,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:53:16,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:16,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat