./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af733446-ddc9-4684-b176-9137e03bc87a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af733446-ddc9-4684-b176-9137e03bc87a/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af733446-ddc9-4684-b176-9137e03bc87a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af733446-ddc9-4684-b176-9137e03bc87a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af733446-ddc9-4684-b176-9137e03bc87a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af733446-ddc9-4684-b176-9137e03bc87a/bin/ukojak-verify-1t5iHCbJaC --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 64bit --witnessprinter.graph.data.programhash e315cf3165b5c80f73630ff082828d53fc68117bd863ad55d6a1d7f1b3bce898 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:57:04,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:57:05,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af733446-ddc9-4684-b176-9137e03bc87a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 19:57:05,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 19:57:05,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 19:57:05,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:57:05,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:57:05,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:57:05,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:57:05,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:57:05,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:57:05,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:57:05,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 19:57:05,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:57:05,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:57:05,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:57:05,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:57:05,048 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:57:05,048 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:57:05,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:57:05,049 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:57:05,050 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:57:05,051 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:57:05,052 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:57:05,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:57:05,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:57:05,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:57:05,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:57:05,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:57:05,055 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 19:57:05,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 19:57:05,057 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:57:05,057 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_af733446-ddc9-4684-b176-9137e03bc87a/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af733446-ddc9-4684-b176-9137e03bc87a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e315cf3165b5c80f73630ff082828d53fc68117bd863ad55d6a1d7f1b3bce898 [2023-11-23 19:57:05,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:57:05,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:57:05,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:57:05,392 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:57:05,393 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:57:05,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af733446-ddc9-4684-b176-9137e03bc87a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2023-11-23 19:57:08,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:57:08,761 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:57:08,769 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af733446-ddc9-4684-b176-9137e03bc87a/sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2023-11-23 19:57:08,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af733446-ddc9-4684-b176-9137e03bc87a/bin/ukojak-verify-1t5iHCbJaC/data/912bd6d9d/80d6f249970442c7974a8cfd5c3c621e/FLAGa7f7d5123 [2023-11-23 19:57:08,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af733446-ddc9-4684-b176-9137e03bc87a/bin/ukojak-verify-1t5iHCbJaC/data/912bd6d9d/80d6f249970442c7974a8cfd5c3c621e [2023-11-23 19:57:08,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:57:08,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:57:08,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:57:08,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:57:08,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:57:08,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:57:08" (1/1) ... [2023-11-23 19:57:08,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d1d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:08, skipping insertion in model container [2023-11-23 19:57:08,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:57:08" (1/1) ... [2023-11-23 19:57:08,866 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:57:09,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:57:09,187 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:57:09,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:57:09,253 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:57:09,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:09 WrapperNode [2023-11-23 19:57:09,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:57:09,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:57:09,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:57:09,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:57:09,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:09" (1/1) ... [2023-11-23 19:57:09,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:09" (1/1) ... [2023-11-23 19:57:09,303 INFO L138 Inliner]: procedures = 114, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2023-11-23 19:57:09,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:57:09,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:57:09,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:57:09,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:57:09,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:09" (1/1) ... [2023-11-23 19:57:09,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:09" (1/1) ... [2023-11-23 19:57:09,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:09" (1/1) ... [2023-11-23 19:57:09,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:09" (1/1) ... [2023-11-23 19:57:09,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:09" (1/1) ... [2023-11-23 19:57:09,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:09" (1/1) ... [2023-11-23 19:57:09,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:09" (1/1) ... [2023-11-23 19:57:09,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:09" (1/1) ... [2023-11-23 19:57:09,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:57:09,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:57:09,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:57:09,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:57:09,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:57:09" (1/1) ... [2023-11-23 19:57:09,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:57:09,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af733446-ddc9-4684-b176-9137e03bc87a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:57:09,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af733446-ddc9-4684-b176-9137e03bc87a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:57:09,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af733446-ddc9-4684-b176-9137e03bc87a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:57:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 19:57:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 19:57:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 19:57:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 19:57:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:57:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:57:09,546 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:57:09,548 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:57:09,715 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:57:09,770 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:57:09,770 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 19:57:09,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:57:09 BoogieIcfgContainer [2023-11-23 19:57:09,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:57:09,773 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:57:09,773 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:57:09,783 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:57:09,783 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:57:09" (1/1) ... [2023-11-23 19:57:09,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 19:57:09,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:09,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-23 19:57:09,842 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-23 19:57:09,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 19:57:09,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:09,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:10,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-23 19:57:10,358 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-23 19:57:10,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 19:57:10,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:10,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:10,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:10,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:10,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-11-23 19:57:10,673 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-11-23 19:57:10,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 19:57:10,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:10,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:10,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:10,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:10,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2023-11-23 19:57:10,843 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2023-11-23 19:57:10,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 19:57:10,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:10,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:11,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:11,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:11,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-23 19:57:11,175 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-23 19:57:11,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 19:57:11,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:11,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:11,397 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:11,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:11,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-23 19:57:11,541 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-23 19:57:11,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 19:57:11,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:11,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:11,704 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:11,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:11,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-23 19:57:11,873 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-23 19:57:11,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 19:57:11,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:11,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:12,175 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:12,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:12,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-11-23 19:57:12,365 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-23 19:57:12,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 19:57:12,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:12,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:12,651 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:12,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:12,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2023-11-23 19:57:12,863 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-11-23 19:57:12,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 19:57:12,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:12,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:13,230 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:13,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:13,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-11-23 19:57:13,453 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-11-23 19:57:13,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 19:57:13,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:13,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:14,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:14,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2023-11-23 19:57:14,111 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2023-11-23 19:57:14,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 19:57:14,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:14,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:14,619 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2023-11-23 19:57:14,874 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-11-23 19:57:14,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 19:57:14,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:14,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:15,428 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:15,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:15,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2023-11-23 19:57:15,723 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2023-11-23 19:57:15,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 19:57:15,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:15,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:16,365 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:16,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:16,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2023-11-23 19:57:16,675 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2023-11-23 19:57:16,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 19:57:16,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:16,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:17,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:17,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2023-11-23 19:57:17,607 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2023-11-23 19:57:17,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 19:57:17,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:17,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:18,232 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:18,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:18,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2023-11-23 19:57:18,595 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2023-11-23 19:57:18,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 19:57:18,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:18,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:19,378 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:19,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:19,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2023-11-23 19:57:19,753 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2023-11-23 19:57:19,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 19:57:19,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:19,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:20,546 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:20,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 68 transitions. [2023-11-23 19:57:20,932 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2023-11-23 19:57:20,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 19:57:20,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:20,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:21,841 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:22,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:22,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2023-11-23 19:57:22,280 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2023-11-23 19:57:22,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 19:57:22,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:22,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:23,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:23,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 76 transitions. [2023-11-23 19:57:23,635 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2023-11-23 19:57:23,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 19:57:23,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:23,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:24,742 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 459 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:25,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:25,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2023-11-23 19:57:25,194 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-11-23 19:57:25,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 19:57:25,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:25,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:26,327 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 513 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:26,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:26,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2023-11-23 19:57:26,786 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2023-11-23 19:57:26,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 19:57:26,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:26,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:27,997 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:28,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:28,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2023-11-23 19:57:28,460 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-23 19:57:28,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 19:57:28,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:28,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:29,658 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:30,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:30,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2023-11-23 19:57:30,118 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2023-11-23 19:57:30,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 19:57:30,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:30,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:31,468 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 693 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:31,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:31,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2023-11-23 19:57:31,976 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-11-23 19:57:31,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 19:57:31,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:31,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:33,522 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 759 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:34,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:34,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2023-11-23 19:57:34,034 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2023-11-23 19:57:34,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 19:57:34,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:34,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:35,422 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 0 proven. 828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:35,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:35,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 79 states and 104 transitions. [2023-11-23 19:57:35,970 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 104 transitions. [2023-11-23 19:57:35,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 19:57:35,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:35,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:37,478 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:38,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:38,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 82 states and 108 transitions. [2023-11-23 19:57:38,065 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 108 transitions. [2023-11-23 19:57:38,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 19:57:38,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:38,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:39,367 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 0 proven. 975 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:39,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:39,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 85 states and 112 transitions. [2023-11-23 19:57:39,959 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2023-11-23 19:57:39,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-23 19:57:39,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:39,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:41,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 0 proven. 1053 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:41,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:41,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 88 states and 116 transitions. [2023-11-23 19:57:41,947 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 116 transitions. [2023-11-23 19:57:41,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-23 19:57:41,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:41,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:43,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 0 proven. 1134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:44,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 91 states and 120 transitions. [2023-11-23 19:57:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 120 transitions. [2023-11-23 19:57:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-23 19:57:44,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:44,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:45,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 0 proven. 1218 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:46,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:46,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 94 states and 124 transitions. [2023-11-23 19:57:46,316 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 124 transitions. [2023-11-23 19:57:46,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 19:57:46,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:46,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:47,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 0 proven. 1305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:48,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:48,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 97 states and 128 transitions. [2023-11-23 19:57:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 128 transitions. [2023-11-23 19:57:48,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-23 19:57:48,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:48,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:57:50,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 0 proven. 1395 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:57:50,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:57:50,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 100 states and 132 transitions. [2023-11-23 19:57:50,846 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 132 transitions. [2023-11-23 19:57:50,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-23 19:57:50,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:57:50,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:57:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat