./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/half_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d48752-6548-410d-a0ed-4750d8342687/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d48752-6548-410d-a0ed-4750d8342687/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d48752-6548-410d-a0ed-4750d8342687/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d48752-6548-410d-a0ed-4750d8342687/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/half_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d48752-6548-410d-a0ed-4750d8342687/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d48752-6548-410d-a0ed-4750d8342687/bin/ukojak-verify-afCqCEvfdi --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 0b362a98d328467ff4a069dbed2be3429090ca070e60d49c76297e4bb94402b7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:35,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:35,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d48752-6548-410d-a0ed-4750d8342687/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:59:35,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:35,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:35,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:35,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:35,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:35,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:35,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:35,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:35,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:35,545 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:35,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:35,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:35,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:35,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:35,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:35,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:35,549 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:59:35,550 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:59:35,550 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:35,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:35,551 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:35,552 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:35,553 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:35,553 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:35,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:35,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:35,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:35,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:35,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:35,557 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:35,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:35,557 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:35,557 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_31d48752-6548-410d-a0ed-4750d8342687/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d48752-6548-410d-a0ed-4750d8342687/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b362a98d328467ff4a069dbed2be3429090ca070e60d49c76297e4bb94402b7 [2023-11-24 22:59:35,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:35,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:35,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:35,893 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:35,894 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:35,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d48752-6548-410d-a0ed-4750d8342687/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loop-invgen/half_2.i [2023-11-24 22:59:39,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:39,292 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:39,292 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d48752-6548-410d-a0ed-4750d8342687/sv-benchmarks/c/loop-invgen/half_2.i [2023-11-24 22:59:39,301 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d48752-6548-410d-a0ed-4750d8342687/bin/ukojak-verify-afCqCEvfdi/data/3ec3bc241/7ec6e554811b40f690092bf7901d97b3/FLAG83a4546a3 [2023-11-24 22:59:39,321 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d48752-6548-410d-a0ed-4750d8342687/bin/ukojak-verify-afCqCEvfdi/data/3ec3bc241/7ec6e554811b40f690092bf7901d97b3 [2023-11-24 22:59:39,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:39,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:39,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:39,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:39,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:39,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:39" (1/1) ... [2023-11-24 22:59:39,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:39, skipping insertion in model container [2023-11-24 22:59:39,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:39" (1/1) ... [2023-11-24 22:59:39,365 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:39,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:39,574 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:39,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:39,602 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:39,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:39 WrapperNode [2023-11-24 22:59:39,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:39,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:39,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:39,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:39,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:39" (1/1) ... [2023-11-24 22:59:39,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:39" (1/1) ... [2023-11-24 22:59:39,640 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2023-11-24 22:59:39,640 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:39,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:39,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:39,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:39,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:39" (1/1) ... [2023-11-24 22:59:39,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:39" (1/1) ... [2023-11-24 22:59:39,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:39" (1/1) ... [2023-11-24 22:59:39,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:39" (1/1) ... [2023-11-24 22:59:39,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:39" (1/1) ... [2023-11-24 22:59:39,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:39" (1/1) ... [2023-11-24 22:59:39,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:39" (1/1) ... [2023-11-24 22:59:39,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:39" (1/1) ... [2023-11-24 22:59:39,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:39,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:39,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:39,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:39,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:39" (1/1) ... [2023-11-24 22:59:39,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:39,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d48752-6548-410d-a0ed-4750d8342687/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:39,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d48752-6548-410d-a0ed-4750d8342687/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:39,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31d48752-6548-410d-a0ed-4750d8342687/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:39,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:59:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:39,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:39,838 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:39,840 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:40,097 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:40,151 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:40,154 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:59:40,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:40 BoogieIcfgContainer [2023-11-24 22:59:40,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:40,157 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:40,158 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:40,167 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:40,167 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:40" (1/1) ... [2023-11-24 22:59:40,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:40,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:40,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-24 22:59:40,231 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-24 22:59:40,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:59:40,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:40,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:40,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:40,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:40,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2023-11-24 22:59:40,632 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-24 22:59:40,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:59:40,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:40,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:40,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:40,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:40,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2023-11-24 22:59:40,859 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2023-11-24 22:59:40,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:59:40,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:40,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:40,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:41,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:41,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2023-11-24 22:59:41,144 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2023-11-24 22:59:41,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:59:41,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:41,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:41,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:41,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 36 states and 50 transitions. [2023-11-24 22:59:41,419 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2023-11-24 22:59:41,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:59:41,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:41,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:41,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:41,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:41,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2023-11-24 22:59:41,692 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2023-11-24 22:59:41,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:59:41,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:41,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:41,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:41,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:41,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2023-11-24 22:59:41,814 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2023-11-24 22:59:41,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:59:41,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:41,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:41,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:41,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:41,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2023-11-24 22:59:41,942 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2023-11-24 22:59:41,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:59:41,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:41,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:42,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:42,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:42,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2023-11-24 22:59:42,659 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2023-11-24 22:59:42,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:59:42,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:42,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:42,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:43,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:43,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2023-11-24 22:59:43,529 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2023-11-24 22:59:43,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:59:43,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:43,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:44,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:44,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 51 states and 85 transitions. [2023-11-24 22:59:44,256 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 85 transitions. [2023-11-24 22:59:44,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:59:44,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:44,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:44,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:44,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:44,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 91 transitions. [2023-11-24 22:59:44,957 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2023-11-24 22:59:44,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:59:44,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:44,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:45,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:45,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:45,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 57 states and 103 transitions. [2023-11-24 22:59:45,818 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 103 transitions. [2023-11-24 22:59:45,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:59:45,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:45,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:45,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:46,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:46,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 61 states and 113 transitions. [2023-11-24 22:59:46,743 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2023-11-24 22:59:46,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:59:46,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:46,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:46,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:46,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:46,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 113 transitions. [2023-11-24 22:59:46,988 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2023-11-24 22:59:46,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:59:46,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:46,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:47,010 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:47,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:47,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 66 states and 124 transitions. [2023-11-24 22:59:47,682 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 124 transitions. [2023-11-24 22:59:47,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:59:47,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:47,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:47,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:47,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 67 states and 124 transitions. [2023-11-24 22:59:47,929 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 124 transitions. [2023-11-24 22:59:47,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:59:47,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:47,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:48,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:50,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 77 states and 145 transitions. [2023-11-24 22:59:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 145 transitions. [2023-11-24 22:59:50,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:59:50,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:50,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:50,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:50,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 78 states and 146 transitions. [2023-11-24 22:59:50,966 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 146 transitions. [2023-11-24 22:59:50,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:59:50,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:50,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:51,054 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:52,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:52,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2023-11-24 22:59:52,078 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2023-11-24 22:59:52,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:59:52,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:52,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:52,296 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:53,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:53,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 86 states and 176 transitions. [2023-11-24 22:59:53,739 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 176 transitions. [2023-11-24 22:59:53,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:59:53,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:53,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:53,826 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:54,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:54,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 87 states and 179 transitions. [2023-11-24 22:59:54,144 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 179 transitions. [2023-11-24 22:59:54,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:59:54,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:54,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:54,234 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:54,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:54,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 87 states and 178 transitions. [2023-11-24 22:59:54,562 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 178 transitions. [2023-11-24 22:59:54,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:59:54,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:54,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:54,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:59:56,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:56,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 93 states and 193 transitions. [2023-11-24 22:59:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 193 transitions. [2023-11-24 22:59:56,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:59:56,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:56,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:59:57,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:57,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 195 transitions. [2023-11-24 22:59:57,143 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 195 transitions. [2023-11-24 22:59:57,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:59:57,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:57,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:57,533 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:59:58,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:58,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 97 states and 211 transitions. [2023-11-24 22:59:58,558 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 211 transitions. [2023-11-24 22:59:58,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:59:58,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:58,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:58,879 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:00,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:00,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 100 states and 219 transitions. [2023-11-24 23:00:00,265 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 219 transitions. [2023-11-24 23:00:00,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:00:00,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:00,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:00,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:00,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 101 states and 221 transitions. [2023-11-24 23:00:00,667 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 221 transitions. [2023-11-24 23:00:00,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:00:00,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:00,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:00,700 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:00,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:00,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 102 states and 221 transitions. [2023-11-24 23:00:00,954 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 221 transitions. [2023-11-24 23:00:00,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:00:00,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:00,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:00,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:00:01,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:01,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 103 states and 228 transitions. [2023-11-24 23:00:01,010 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 228 transitions. [2023-11-24 23:00:01,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:00:01,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:01,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:01,252 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:00:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 106 states and 239 transitions. [2023-11-24 23:00:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 239 transitions. [2023-11-24 23:00:03,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:00:03,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:03,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:00:04,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:04,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 108 states and 245 transitions. [2023-11-24 23:00:04,346 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 245 transitions. [2023-11-24 23:00:04,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:00:04,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:04,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:00:04,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:04,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 109 states and 246 transitions. [2023-11-24 23:00:04,830 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 246 transitions. [2023-11-24 23:00:04,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:00:04,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:04,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:05,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:00:08,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:08,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 113 states and 256 transitions. [2023-11-24 23:00:08,007 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 256 transitions. [2023-11-24 23:00:08,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:00:08,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:08,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:08,299 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:00:13,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:13,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 127 states and 288 transitions. [2023-11-24 23:00:13,448 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 288 transitions. [2023-11-24 23:00:13,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:00:13,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:13,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:13,471 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:00:14,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:14,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 130 states and 293 transitions. [2023-11-24 23:00:14,858 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 293 transitions. [2023-11-24 23:00:14,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:00:14,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:14,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:14,877 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:00:15,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:15,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 131 states and 294 transitions. [2023-11-24 23:00:15,341 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 294 transitions. [2023-11-24 23:00:15,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:00:15,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:15,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:15,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:18,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 137 states and 306 transitions. [2023-11-24 23:00:18,959 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 306 transitions. [2023-11-24 23:00:18,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:00:18,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:18,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:20,009 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:25,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:25,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 146 states and 336 transitions. [2023-11-24 23:00:25,018 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 336 transitions. [2023-11-24 23:00:25,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:00:25,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:25,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:25,100 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:26,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:26,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 149 states and 343 transitions. [2023-11-24 23:00:26,749 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 343 transitions. [2023-11-24 23:00:26,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:00:26,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:26,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:26,816 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:28,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 151 states and 349 transitions. [2023-11-24 23:00:28,121 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 349 transitions. [2023-11-24 23:00:28,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:00:28,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:28,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:28,243 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:00:29,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:29,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 153 states and 358 transitions. [2023-11-24 23:00:29,608 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 358 transitions. [2023-11-24 23:00:29,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:00:29,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:29,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:29,637 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:00:30,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:30,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 154 states and 360 transitions. [2023-11-24 23:00:30,175 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 360 transitions. [2023-11-24 23:00:30,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:00:30,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:30,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:30,228 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:00:32,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:32,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 158 states and 369 transitions. [2023-11-24 23:00:32,267 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 369 transitions. [2023-11-24 23:00:32,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:00:32,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:32,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat