./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aad83614f5b3454ec30b386336992d9fee88422d967149e7e88efe6256830f00 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:43:24,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:43:24,261 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:43:24,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:43:24,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:43:24,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:43:24,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:43:24,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:43:24,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:43:24,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:43:24,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:43:24,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:43:24,327 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:43:24,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:43:24,329 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:43:24,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:43:24,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:43:24,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:43:24,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:43:24,332 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:43:24,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:43:24,333 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:43:24,333 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:43:24,334 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:43:24,334 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:43:24,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:43:24,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:43:24,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:43:24,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:43:24,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:43:24,339 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:43:24,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:43:24,340 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:43:24,340 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_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad83614f5b3454ec30b386336992d9fee88422d967149e7e88efe6256830f00 [2023-11-19 02:43:24,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:43:24,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:43:24,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:43:24,735 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:43:24,736 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:43:24,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c [2023-11-19 02:43:27,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:43:28,156 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:43:28,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c [2023-11-19 02:43:28,168 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/bin/ukojak-verify-G8NBE6pJGL/data/dc099f935/795a1eb6d08a439c89c3b0e69885c05f/FLAG3b5363b64 [2023-11-19 02:43:28,188 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/bin/ukojak-verify-G8NBE6pJGL/data/dc099f935/795a1eb6d08a439c89c3b0e69885c05f [2023-11-19 02:43:28,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:43:28,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:43:28,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:43:28,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:43:28,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:43:28,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:43:28" (1/1) ... [2023-11-19 02:43:28,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@adbe6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:28, skipping insertion in model container [2023-11-19 02:43:28,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:43:28" (1/1) ... [2023-11-19 02:43:28,241 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:43:28,427 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c[573,586] [2023-11-19 02:43:28,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:43:28,461 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:43:28,475 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c[573,586] [2023-11-19 02:43:28,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:43:28,510 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:43:28,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:28 WrapperNode [2023-11-19 02:43:28,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:43:28,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:43:28,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:43:28,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:43:28,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:28" (1/1) ... [2023-11-19 02:43:28,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:28" (1/1) ... [2023-11-19 02:43:28,555 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-11-19 02:43:28,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:43:28,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:43:28,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:43:28,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:43:28,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:28" (1/1) ... [2023-11-19 02:43:28,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:28" (1/1) ... [2023-11-19 02:43:28,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:28" (1/1) ... [2023-11-19 02:43:28,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:28" (1/1) ... [2023-11-19 02:43:28,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:28" (1/1) ... [2023-11-19 02:43:28,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:28" (1/1) ... [2023-11-19 02:43:28,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:28" (1/1) ... [2023-11-19 02:43:28,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:28" (1/1) ... [2023-11-19 02:43:28,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:43:28,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:43:28,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:43:28,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:43:28,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:43:28" (1/1) ... [2023-11-19 02:43:28,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:43:28,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:43:28,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:43:28,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cdaf72a-3bc3-4002-bd58-2adea6eedaaa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:43:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:43:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:43:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:43:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:43:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:43:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:43:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:43:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:43:28,750 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:43:28,753 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:43:28,909 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:43:28,950 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:43:28,950 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:43:28,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:43:28 BoogieIcfgContainer [2023-11-19 02:43:28,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:43:28,956 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:43:28,956 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:43:28,967 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:43:28,968 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:43:28" (1/1) ... [2023-11-19 02:43:28,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:43:29,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:29,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-19 02:43:29,039 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-19 02:43:29,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:43:29,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:29,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:29,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:43:29,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:29,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:43:29,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:29,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-19 02:43:29,376 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-19 02:43:29,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:43:29,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:29,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:29,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:43:29,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:29,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:43:29,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:29,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2023-11-19 02:43:29,605 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-11-19 02:43:29,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:43:29,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:29,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:29,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:43:29,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:43:30,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:30,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2023-11-19 02:43:30,026 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2023-11-19 02:43:30,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:43:30,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:30,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:30,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:43:30,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:30,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:43:30,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:30,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2023-11-19 02:43:30,383 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2023-11-19 02:43:30,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:43:30,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:30,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:30,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:43:30,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:30,554 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:43:31,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:31,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2023-11-19 02:43:31,275 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2023-11-19 02:43:31,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:43:31,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:31,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:31,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:43:31,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:31,657 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:43:32,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:32,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 39 states and 70 transitions. [2023-11-19 02:43:32,500 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2023-11-19 02:43:32,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:43:32,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:32,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:32,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:43:32,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:32,706 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:43:33,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:33,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2023-11-19 02:43:33,264 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2023-11-19 02:43:33,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:43:33,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:33,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:33,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:43:33,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:33,538 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:43:34,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:34,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 43 states and 81 transitions. [2023-11-19 02:43:34,233 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2023-11-19 02:43:34,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:43:34,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:34,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:34,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:43:34,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:34,813 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:43:36,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:36,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 47 states and 94 transitions. [2023-11-19 02:43:36,682 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 94 transitions. [2023-11-19 02:43:36,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:43:36,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:36,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:36,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:43:36,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:37,163 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:43:38,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:38,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 49 states and 96 transitions. [2023-11-19 02:43:38,229 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 96 transitions. [2023-11-19 02:43:38,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:43:38,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:38,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:38,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:43:38,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:38,423 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:43:39,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:39,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 57 states and 128 transitions. [2023-11-19 02:43:39,991 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 128 transitions. [2023-11-19 02:43:39,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:43:39,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:39,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:40,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:43:40,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:40,397 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:43:41,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:41,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 59 states and 130 transitions. [2023-11-19 02:43:41,364 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 130 transitions. [2023-11-19 02:43:41,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:43:41,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:41,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:41,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:43:41,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:41,483 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:43:41,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:41,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 59 states and 129 transitions. [2023-11-19 02:43:41,851 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 129 transitions. [2023-11-19 02:43:41,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:43:41,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:41,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:41,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 02:43:41,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:42,873 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:43:46,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:46,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 65 states and 148 transitions. [2023-11-19 02:43:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 148 transitions. [2023-11-19 02:43:46,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:43:46,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:46,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:46,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:43:46,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:46,617 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:43:48,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:48,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 69 states and 168 transitions. [2023-11-19 02:43:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 168 transitions. [2023-11-19 02:43:48,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:43:48,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:48,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:48,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:43:48,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:48,975 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:43:50,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:50,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 71 states and 170 transitions. [2023-11-19 02:43:50,317 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 170 transitions. [2023-11-19 02:43:50,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:43:50,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:50,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:50,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:43:50,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:51,027 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:43:52,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:52,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 73 states and 172 transitions. [2023-11-19 02:43:52,996 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 172 transitions. [2023-11-19 02:43:52,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:43:52,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:52,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:53,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:43:53,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:53,773 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:43:55,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:55,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 75 states and 174 transitions. [2023-11-19 02:43:55,450 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 174 transitions. [2023-11-19 02:43:55,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:43:55,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:55,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:55,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:43:55,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:55,541 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:43:56,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:56,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 79 states and 191 transitions. [2023-11-19 02:43:56,876 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 191 transitions. [2023-11-19 02:43:56,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:43:56,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:56,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:56,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:43:56,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:43:57,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:43:57,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 79 states and 190 transitions. [2023-11-19 02:43:57,563 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 190 transitions. [2023-11-19 02:43:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:43:57,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:43:57,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:43:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:43:57,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:43:57,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:43:58,954 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 02:44:03,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:03,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 83 states and 211 transitions. [2023-11-19 02:44:03,531 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 211 transitions. [2023-11-19 02:44:03,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:44:03,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:03,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:03,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:44:03,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:03,872 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:06,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:06,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 87 states and 225 transitions. [2023-11-19 02:44:06,167 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 225 transitions. [2023-11-19 02:44:06,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:44:06,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:06,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:06,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:44:06,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 02:44:10,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 89 states and 227 transitions. [2023-11-19 02:44:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 227 transitions. [2023-11-19 02:44:10,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:44:10,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:10,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:10,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:44:10,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:10,184 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:44:11,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:11,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 93 states and 246 transitions. [2023-11-19 02:44:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 246 transitions. [2023-11-19 02:44:11,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:44:11,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:11,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:12,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:44:12,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:13,412 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:44:16,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:16,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 97 states and 250 transitions. [2023-11-19 02:44:16,487 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 250 transitions. [2023-11-19 02:44:16,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:44:16,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:16,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:16,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:44:16,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:17,310 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 02:44:20,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:20,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 99 states and 252 transitions. [2023-11-19 02:44:20,335 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 252 transitions. [2023-11-19 02:44:20,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:44:20,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:20,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:20,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:44:20,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:21,415 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.