./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/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_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/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_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/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 c8cdca66dc863bfa94d37a0903946c6b89240a08b13e8fd34226289180db2a40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:06:54,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:06:54,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:06:54,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:06:54,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:06:54,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:06:54,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:06:54,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:06:54,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:06:54,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:06:54,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:06:54,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:06:54,284 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:06:54,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:06:54,287 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:06:54,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:06:54,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:06:54,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:06:54,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:06:54,290 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:06:54,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:06:54,292 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:06:54,293 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:06:54,293 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:06:54,294 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:06:54,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:06:54,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:54,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:06:54,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:06:54,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:06:54,300 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:06:54,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:06:54,302 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:06:54,303 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_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8cdca66dc863bfa94d37a0903946c6b89240a08b13e8fd34226289180db2a40 [2023-11-19 03:06:54,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:06:54,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:06:54,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:06:54,782 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:06:54,783 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:06:54,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c [2023-11-19 03:06:58,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:06:59,066 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:06:59,067 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c [2023-11-19 03:06:59,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/bin/ukojak-verify-G8NBE6pJGL/data/269380065/3862166e94774e5eb37d5a0a800d1e96/FLAG604f38d8e [2023-11-19 03:06:59,096 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/bin/ukojak-verify-G8NBE6pJGL/data/269380065/3862166e94774e5eb37d5a0a800d1e96 [2023-11-19 03:06:59,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:06:59,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:06:59,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:59,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:06:59,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:06:59,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea9e22d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59, skipping insertion in model container [2023-11-19 03:06:59,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,142 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:06:59,393 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_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c[538,551] [2023-11-19 03:06:59,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:59,434 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:06:59,451 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_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c[538,551] [2023-11-19 03:06:59,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:59,481 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:06:59,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59 WrapperNode [2023-11-19 03:06:59,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:59,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:59,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:06:59,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:06:59,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,536 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-11-19 03:06:59,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:59,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:06:59,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:06:59,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:06:59,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,578 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,579 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:06:59,583 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:06:59,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:06:59,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:06:59,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:59" (1/1) ... [2023-11-19 03:06:59,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:59,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:06:59,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:06:59,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1116b6f7-dc7e-42e1-b3a8-c1ae3d9b3930/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:06:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:06:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:06:59,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:06:59,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:06:59,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:06:59,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:06:59,767 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:06:59,770 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:06:59,993 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:00,054 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:00,054 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:07:00,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:00 BoogieIcfgContainer [2023-11-19 03:07:00,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:00,062 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:00,062 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:00,076 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:00,077 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:00" (1/1) ... [2023-11-19 03:07:00,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:07:00,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:00,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-19 03:07:00,166 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-19 03:07:00,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:07:00,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:00,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:00,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:07:00,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:00,433 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 03:07:00,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:00,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-19 03:07:00,482 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-19 03:07:00,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:07:00,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:00,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:00,707 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 03:07:00,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:00,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2023-11-19 03:07:00,802 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-11-19 03:07:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:07:00,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:00,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:00,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:07:00,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:00,954 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 03:07:01,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:01,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2023-11-19 03:07:01,239 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-19 03:07:01,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:07:01,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:01,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:01,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:02,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:02,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2023-11-19 03:07:02,080 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2023-11-19 03:07:02,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:07:02,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:02,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:02,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:07:02,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:02,368 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 03:07:03,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:03,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2023-11-19 03:07:03,507 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-11-19 03:07:03,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:07:03,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:03,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:03,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:07:03,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:03,733 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:07:05,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:05,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 48 states and 95 transitions. [2023-11-19 03:07:05,498 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 95 transitions. [2023-11-19 03:07:05,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:07:05,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:05,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:05,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:07:05,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:07:06,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:06,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 52 states and 107 transitions. [2023-11-19 03:07:06,735 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 107 transitions. [2023-11-19 03:07:06,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:07:06,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:06,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:06,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:07:06,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:06,900 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:07:07,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:07,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 54 states and 112 transitions. [2023-11-19 03:07:07,531 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2023-11-19 03:07:07,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:07:07,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:07,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:07,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:07:07,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:07:08,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:08,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 59 states and 130 transitions. [2023-11-19 03:07:08,376 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 130 transitions. [2023-11-19 03:07:08,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:07:08,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:08,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:08,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:07:08,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:08,542 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 03:07:09,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:09,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 61 states and 131 transitions. [2023-11-19 03:07:09,175 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2023-11-19 03:07:09,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:07:09,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:09,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:09,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:07:09,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:07:11,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:11,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 66 states and 148 transitions. [2023-11-19 03:07:11,469 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 148 transitions. [2023-11-19 03:07:11,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:07:11,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:11,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:11,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:07:11,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:11,614 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:07:12,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 68 states and 149 transitions. [2023-11-19 03:07:12,410 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 149 transitions. [2023-11-19 03:07:12,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:07:12,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:12,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:12,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:07:12,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 03:07:14,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:14,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 71 states and 165 transitions. [2023-11-19 03:07:14,286 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 165 transitions. [2023-11-19 03:07:14,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:07:14,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:14,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:14,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:07:14,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:14,465 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:07:14,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:15,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 72 states and 166 transitions. [2023-11-19 03:07:15,003 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 166 transitions. [2023-11-19 03:07:15,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:07:15,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:15,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:15,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:07:15,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:15,235 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:07:16,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:16,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 75 states and 174 transitions. [2023-11-19 03:07:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 174 transitions. [2023-11-19 03:07:16,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:07:16,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:16,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:16,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:07:16,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 03:07:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:16,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 75 states and 173 transitions. [2023-11-19 03:07:16,985 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 173 transitions. [2023-11-19 03:07:16,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:07:16,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:16,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:17,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:07:17,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:17,326 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:07:19,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:19,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 85 states and 233 transitions. [2023-11-19 03:07:19,934 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 233 transitions. [2023-11-19 03:07:19,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:07:19,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:19,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:19,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:07:19,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:20,141 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 03:07:21,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:21,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 88 states and 241 transitions. [2023-11-19 03:07:21,236 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 241 transitions. [2023-11-19 03:07:21,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:07:21,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:21,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:21,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:07:21,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:21,362 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:07:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:21,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 88 states and 240 transitions. [2023-11-19 03:07:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 240 transitions. [2023-11-19 03:07:21,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:07:21,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:21,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:22,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:07:22,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:07:23,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:23,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 90 states and 247 transitions. [2023-11-19 03:07:23,218 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 247 transitions. [2023-11-19 03:07:23,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:07:23,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:23,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:23,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:07:23,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:23,475 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 03:07:26,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:26,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 93 states and 260 transitions. [2023-11-19 03:07:26,007 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 260 transitions. [2023-11-19 03:07:26,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:07:26,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:26,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:26,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:07:26,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:26,079 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 03:07:27,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:27,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 96 states and 267 transitions. [2023-11-19 03:07:27,517 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 267 transitions. [2023-11-19 03:07:27,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:07:27,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:27,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:27,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:07:27,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:27,632 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:07:28,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:28,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 98 states and 268 transitions. [2023-11-19 03:07:28,373 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 268 transitions. [2023-11-19 03:07:28,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:07:28,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:28,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:28,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:07:28,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:28,736 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:07:32,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:32,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 104 states and 295 transitions. [2023-11-19 03:07:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 295 transitions. [2023-11-19 03:07:32,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:07:32,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:32,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:33,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:07:33,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:33,153 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:07:35,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:35,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 107 states and 299 transitions. [2023-11-19 03:07:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 299 transitions. [2023-11-19 03:07:35,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:07:35,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:35,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:35,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:07:35,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:35,343 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:07:36,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:36,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 109 states and 300 transitions. [2023-11-19 03:07:36,912 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 300 transitions. [2023-11-19 03:07:36,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:07:36,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:36,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:36,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:07:36,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:37,329 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:07:41,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:41,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 114 states and 333 transitions. [2023-11-19 03:07:41,540 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 333 transitions. [2023-11-19 03:07:41,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:07:41,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:41,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:41,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:07:41,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:41,621 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:07:43,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:43,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 116 states and 336 transitions. [2023-11-19 03:07:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 336 transitions. [2023-11-19 03:07:43,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:07:43,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:43,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:43,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 03:07:43,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:07:44,578 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 27 proven. 19 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.