./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.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_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/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_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/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_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/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 946e199240c0e980bd422384e40e4d2247ef6b3560471b18ba5a354c3628dba9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:20,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:20,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:21:20,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:21:20,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:21:20,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:20,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:21:20,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:21:20,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:20,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:20,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:20,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:21:20,569 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:21:20,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:21:20,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:21:20,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:20,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:21:20,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:20,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:21:20,577 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:21:20,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:21:20,578 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:20,578 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:20,579 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:20,579 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:20,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:20,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:20,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:20,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:20,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:21:20,581 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:21:20,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:21:20,582 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:21:20,583 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_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946e199240c0e980bd422384e40e4d2247ef6b3560471b18ba5a354c3628dba9 [2023-11-19 03:21:20,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:20,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:20,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:20,920 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:20,920 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:20,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c [2023-11-19 03:21:23,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:24,137 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:24,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c [2023-11-19 03:21:24,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/bin/ukojak-verify-G8NBE6pJGL/data/c8f9a0daf/fd545304cc5a4ba19031d8bfaaedef0a/FLAG69615357f [2023-11-19 03:21:24,161 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/bin/ukojak-verify-G8NBE6pJGL/data/c8f9a0daf/fd545304cc5a4ba19031d8bfaaedef0a [2023-11-19 03:21:24,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:24,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:24,167 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:24,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:24,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:24,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:24" (1/1) ... [2023-11-19 03:21:24,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2347bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:24, skipping insertion in model container [2023-11-19 03:21:24,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:24" (1/1) ... [2023-11-19 03:21:24,196 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:24,344 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_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c[458,471] [2023-11-19 03:21:24,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:24,372 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:24,385 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_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c[458,471] [2023-11-19 03:21:24,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:24,408 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:24,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:24 WrapperNode [2023-11-19 03:21:24,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:24,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:24,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:24,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:24,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:24" (1/1) ... [2023-11-19 03:21:24,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:24" (1/1) ... [2023-11-19 03:21:24,445 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2023-11-19 03:21:24,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:24,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:24,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:24,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:24,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:24" (1/1) ... [2023-11-19 03:21:24,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:24" (1/1) ... [2023-11-19 03:21:24,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:24" (1/1) ... [2023-11-19 03:21:24,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:24" (1/1) ... [2023-11-19 03:21:24,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:24" (1/1) ... [2023-11-19 03:21:24,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:24" (1/1) ... [2023-11-19 03:21:24,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:24" (1/1) ... [2023-11-19 03:21:24,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:24" (1/1) ... [2023-11-19 03:21:24,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:24,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:24,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:24,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:24,469 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:24" (1/1) ... [2023-11-19 03:21:24,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:24,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:24,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:24,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c24864f4-eff7-4de9-9f8a-ecfceb56e43d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:21:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:24,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:21:24,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:21:24,629 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:24,631 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:24,908 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:24,947 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:24,947 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:21:24,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:24 BoogieIcfgContainer [2023-11-19 03:21:24,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:21:24,952 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:21:24,952 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:21:24,962 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:21:24,962 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:24" (1/1) ... [2023-11-19 03:21:24,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:21:25,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:25,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-19 03:21:25,026 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-19 03:21:25,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:21:25,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:25,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:25,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:21:25,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:25,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:25,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-19 03:21:25,242 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-19 03:21:25,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:21:25,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:25,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:25,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:21:25,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:25,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:25,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:25,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 03:21:25,384 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 03:21:25,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:21:25,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:25,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:25,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:21:25,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:25,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:25,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:25,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-19 03:21:25,804 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-19 03:21:25,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:21:25,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:25,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:25,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:21:25,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:26,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:26,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:26,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-11-19 03:21:26,521 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-11-19 03:21:26,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:21:26,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:26,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:26,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:21:26,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:26,647 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:27,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2023-11-19 03:21:27,268 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-11-19 03:21:27,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:21:27,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:27,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:27,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:21:27,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:27,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:28,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:28,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2023-11-19 03:21:28,359 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2023-11-19 03:21:28,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:21:28,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:28,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:28,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:21:28,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:28,483 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:28,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:28,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2023-11-19 03:21:28,832 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2023-11-19 03:21:28,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:21:28,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:28,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:28,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:21:28,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:28,914 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:21:29,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:29,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2023-11-19 03:21:29,023 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2023-11-19 03:21:29,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:21:29,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:29,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:29,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:21:29,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:29,243 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:21:30,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:30,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 46 states and 96 transitions. [2023-11-19 03:21:30,082 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 96 transitions. [2023-11-19 03:21:30,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:21:30,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:30,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:30,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:21:30,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:30,244 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:30,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:30,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 50 states and 112 transitions. [2023-11-19 03:21:30,977 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 112 transitions. [2023-11-19 03:21:30,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:21:30,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:30,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:31,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:21:31,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:31,079 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:21:31,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:31,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 52 states and 113 transitions. [2023-11-19 03:21:31,520 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 113 transitions. [2023-11-19 03:21:31,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:21:31,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:31,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:31,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:21:31,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:31,614 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:21:32,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 54 states and 114 transitions. [2023-11-19 03:21:32,123 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 114 transitions. [2023-11-19 03:21:32,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:21:32,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:32,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:32,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:21:32,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:32,216 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:33,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:33,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 58 states and 131 transitions. [2023-11-19 03:21:33,129 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 131 transitions. [2023-11-19 03:21:33,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:21:33,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:33,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:33,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:21:33,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:21:35,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:35,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 68 states and 172 transitions. [2023-11-19 03:21:35,698 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 172 transitions. [2023-11-19 03:21:35,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:21:35,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:35,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:35,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:21:35,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:35,788 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:21:36,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:36,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 70 states and 174 transitions. [2023-11-19 03:21:36,317 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 174 transitions. [2023-11-19 03:21:36,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:21:36,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:36,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:36,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:21:36,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:36,548 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:37,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:37,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 74 states and 195 transitions. [2023-11-19 03:21:37,916 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 195 transitions. [2023-11-19 03:21:37,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:21:37,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:37,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:37,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:21:37,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:38,128 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:21:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:39,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 78 states and 213 transitions. [2023-11-19 03:21:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 213 transitions. [2023-11-19 03:21:39,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:21:39,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:39,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:40,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:21:40,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:41,039 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:21:41,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:41,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 80 states and 214 transitions. [2023-11-19 03:21:41,801 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 214 transitions. [2023-11-19 03:21:41,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:21:41,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:41,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:41,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:21:41,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:43,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:43,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 84 states and 235 transitions. [2023-11-19 03:21:43,125 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 235 transitions. [2023-11-19 03:21:43,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:21:43,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:43,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:43,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:21:43,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:43,275 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:21:43,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:43,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 236 transitions. [2023-11-19 03:21:43,980 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 236 transitions. [2023-11-19 03:21:43,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:21:43,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:43,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:44,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:21:44,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:44,055 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:44,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 235 transitions. [2023-11-19 03:21:44,382 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 235 transitions. [2023-11-19 03:21:44,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:21:44,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:44,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:44,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:21:44,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:44,523 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:21:45,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:45,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 88 states and 236 transitions. [2023-11-19 03:21:45,240 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 236 transitions. [2023-11-19 03:21:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:21:45,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:45,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:45,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:21:45,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:21:49,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:49,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 98 states and 287 transitions. [2023-11-19 03:21:49,140 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 287 transitions. [2023-11-19 03:21:49,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:21:49,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:49,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:49,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:21:49,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:49,263 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:21:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:50,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 102 states and 290 transitions. [2023-11-19 03:21:50,737 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 290 transitions. [2023-11-19 03:21:50,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:21:50,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:50,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:50,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:21:50,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:51,374 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:21:52,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 104 states and 292 transitions. [2023-11-19 03:21:52,512 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 292 transitions. [2023-11-19 03:21:52,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:21:52,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:52,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:53,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 03:21:53,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:53,633 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 11 proven. 42 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:21:55,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:55,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 108 states and 311 transitions. [2023-11-19 03:21:55,962 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 311 transitions. [2023-11-19 03:21:55,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:21:55,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:55,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:56,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:21:56,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:21:57,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:57,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 110 states and 312 transitions. [2023-11-19 03:21:57,644 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 312 transitions. [2023-11-19 03:21:57,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:21:57,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:57,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:59,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:21:59,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:00,300 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:22:01,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:01,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 112 states and 313 transitions. [2023-11-19 03:22:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 313 transitions. [2023-11-19 03:22:01,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:22:01,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:01,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:02,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 03:22:02,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:02,187 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:22:03,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:03,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 114 states and 314 transitions. [2023-11-19 03:22:03,163 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 314 transitions. [2023-11-19 03:22:03,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:22:03,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:03,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:03,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:22:03,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:03,581 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:07,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:07,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 122 states and 371 transitions. [2023-11-19 03:22:07,128 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 371 transitions. [2023-11-19 03:22:07,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:22:07,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:07,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:07,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:22:07,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:07,538 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:22:09,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:09,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 125 states and 374 transitions. [2023-11-19 03:22:09,134 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 374 transitions. [2023-11-19 03:22:09,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:22:09,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:09,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:09,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:22:09,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:09,229 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:09,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:09,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 125 states and 373 transitions. [2023-11-19 03:22:09,625 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 373 transitions. [2023-11-19 03:22:09,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:22:09,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:09,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:09,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:22:09,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:09,702 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:10,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:10,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 125 states and 372 transitions. [2023-11-19 03:22:10,128 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 372 transitions. [2023-11-19 03:22:10,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:22:10,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:10,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:10,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:22:10,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:10,208 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:10,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:10,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 125 states and 371 transitions. [2023-11-19 03:22:10,775 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 371 transitions. [2023-11-19 03:22:10,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:22:10,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:10,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:10,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:22:10,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:11,431 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:22:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:16,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 135 states and 434 transitions. [2023-11-19 03:22:16,917 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 434 transitions. [2023-11-19 03:22:16,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:22:16,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:16,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:16,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:22:16,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:17,033 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:22:18,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:18,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 138 states and 438 transitions. [2023-11-19 03:22:18,734 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 438 transitions. [2023-11-19 03:22:18,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:22:18,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:18,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:18,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:22:18,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:18,848 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.