./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_6b22ad01-78bc-43ae-b3f0-7052b6992587/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b22ad01-78bc-43ae-b3f0-7052b6992587/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b22ad01-78bc-43ae-b3f0-7052b6992587/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b22ad01-78bc-43ae-b3f0-7052b6992587/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b22ad01-78bc-43ae-b3f0-7052b6992587/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b22ad01-78bc-43ae-b3f0-7052b6992587/bin/ukojak-verify-afCqCEvfdi --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 47fbdb3da16165eeeef0687b73275c90a2682f5a520ac2387154637187559fe6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:32,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:32,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b22ad01-78bc-43ae-b3f0-7052b6992587/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:03:32,356 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:03:32,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:03:32,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:32,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:32,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:32,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:32,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:32,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:32,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:32,384 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:32,385 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:32,385 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:32,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:32,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:32,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:32,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:32,388 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:32,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:32,389 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:32,389 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:32,390 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:32,390 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:32,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:32,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:32,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:32,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:32,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:32,392 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:03:32,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:03:32,393 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:32,393 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_6b22ad01-78bc-43ae-b3f0-7052b6992587/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b22ad01-78bc-43ae-b3f0-7052b6992587/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47fbdb3da16165eeeef0687b73275c90a2682f5a520ac2387154637187559fe6 [2023-11-24 23:03:32,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:32,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:32,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:32,746 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:32,747 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:32,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b22ad01-78bc-43ae-b3f0-7052b6992587/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c [2023-11-24 23:03:35,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:36,214 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:36,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b22ad01-78bc-43ae-b3f0-7052b6992587/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c [2023-11-24 23:03:36,223 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b22ad01-78bc-43ae-b3f0-7052b6992587/bin/ukojak-verify-afCqCEvfdi/data/3b2ea05c6/07f709b443b7463d80d9ffbd2cb3a849/FLAGa6509035c [2023-11-24 23:03:36,239 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b22ad01-78bc-43ae-b3f0-7052b6992587/bin/ukojak-verify-afCqCEvfdi/data/3b2ea05c6/07f709b443b7463d80d9ffbd2cb3a849 [2023-11-24 23:03:36,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:36,243 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:36,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:36,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:36,250 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:36,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:36" (1/1) ... [2023-11-24 23:03:36,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13816c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:36, skipping insertion in model container [2023-11-24 23:03:36,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:36" (1/1) ... [2023-11-24 23:03:36,291 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:36,468 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_6b22ad01-78bc-43ae-b3f0-7052b6992587/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c[458,471] [2023-11-24 23:03:36,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:36,493 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:36,505 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_6b22ad01-78bc-43ae-b3f0-7052b6992587/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c[458,471] [2023-11-24 23:03:36,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:36,525 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:36,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:36 WrapperNode [2023-11-24 23:03:36,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:36,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:36,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:36,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:36,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:36" (1/1) ... [2023-11-24 23:03:36,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:36" (1/1) ... [2023-11-24 23:03:36,562 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-11-24 23:03:36,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:36,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:36,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:36,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:36,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:36" (1/1) ... [2023-11-24 23:03:36,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:36" (1/1) ... [2023-11-24 23:03:36,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:36" (1/1) ... [2023-11-24 23:03:36,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:36" (1/1) ... [2023-11-24 23:03:36,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:36" (1/1) ... [2023-11-24 23:03:36,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:36" (1/1) ... [2023-11-24 23:03:36,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:36" (1/1) ... [2023-11-24 23:03:36,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:36" (1/1) ... [2023-11-24 23:03:36,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:36,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:36,586 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:36,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:36,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:36" (1/1) ... [2023-11-24 23:03:36,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:36,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b22ad01-78bc-43ae-b3f0-7052b6992587/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:36,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b22ad01-78bc-43ae-b3f0-7052b6992587/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:36,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b22ad01-78bc-43ae-b3f0-7052b6992587/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:03:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:03:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:03:36,730 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:36,732 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:36,851 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:36,873 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:36,873 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:03:36,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:36 BoogieIcfgContainer [2023-11-24 23:03:36,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:36,876 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:36,876 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:36,886 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:36,886 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:36" (1/1) ... [2023-11-24 23:03:36,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:36,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:36,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-24 23:03:36,948 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-24 23:03:36,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:03:36,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:36,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:37,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:03:37,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:37,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:37,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:37,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-24 23:03:37,129 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-24 23:03:37,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:03:37,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:37,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:37,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:03:37,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:37,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:37,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:37,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-24 23:03:37,312 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-24 23:03:37,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:03:37,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:37,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:37,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:03:37,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:37,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:37,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:37,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-24 23:03:37,833 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-24 23:03:37,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:03:37,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:37,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:37,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:03:37,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:38,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:38,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2023-11-24 23:03:38,034 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2023-11-24 23:03:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:03:38,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:38,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:38,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:03:38,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:38,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:38,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:38,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 32 states and 62 transitions. [2023-11-24 23:03:38,913 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 62 transitions. [2023-11-24 23:03:38,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:03:38,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:38,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:38,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:03:38,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:39,102 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:39,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:39,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 36 states and 73 transitions. [2023-11-24 23:03:39,857 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. [2023-11-24 23:03:39,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:03:39,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:39,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:39,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:03:39,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:39,947 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:40,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:40,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 38 states and 74 transitions. [2023-11-24 23:03:40,273 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 74 transitions. [2023-11-24 23:03:40,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:03:40,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:40,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:40,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:03:40,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:40,538 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:03:41,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:41,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 42 states and 89 transitions. [2023-11-24 23:03:41,227 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 89 transitions. [2023-11-24 23:03:41,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:03:41,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:41,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:41,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 23:03:41,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:41,510 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:03:43,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:43,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 51 states and 122 transitions. [2023-11-24 23:03:43,184 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 122 transitions. [2023-11-24 23:03:43,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:03:43,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:43,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:43,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 23:03:43,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:43,298 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:03:43,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 124 transitions. [2023-11-24 23:03:43,809 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 124 transitions. [2023-11-24 23:03:43,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:03:43,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:43,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:43,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:03:43,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:43,981 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:45,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:45,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 61 states and 165 transitions. [2023-11-24 23:03:45,620 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 165 transitions. [2023-11-24 23:03:45,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:03:45,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:45,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:45,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:03:45,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:45,788 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:03:46,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:46,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 65 states and 181 transitions. [2023-11-24 23:03:46,801 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 181 transitions. [2023-11-24 23:03:46,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:03:46,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:46,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:46,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:03:46,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:46,920 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:03:47,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:47,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 67 states and 183 transitions. [2023-11-24 23:03:47,482 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 183 transitions. [2023-11-24 23:03:47,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:03:47,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:47,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:47,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:03:47,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:47,555 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:47,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 67 states and 182 transitions. [2023-11-24 23:03:47,871 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 182 transitions. [2023-11-24 23:03:47,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:03:47,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:47,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:47,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:03:47,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:48,009 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:03:48,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:48,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 69 states and 184 transitions. [2023-11-24 23:03:48,613 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 184 transitions. [2023-11-24 23:03:48,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:03:48,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:48,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:48,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:03:48,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:48,677 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:03:49,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:49,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 72 states and 195 transitions. [2023-11-24 23:03:49,680 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 195 transitions. [2023-11-24 23:03:49,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:03:49,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:49,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:49,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:03:49,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:52,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:52,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 81 states and 238 transitions. [2023-11-24 23:03:52,845 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 238 transitions. [2023-11-24 23:03:52,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:03:52,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:52,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:52,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:03:52,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:52,972 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:54,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:54,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 85 states and 241 transitions. [2023-11-24 23:03:54,373 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 241 transitions. [2023-11-24 23:03:54,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:03:54,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:54,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:54,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:03:54,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:54,479 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:55,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 87 states and 243 transitions. [2023-11-24 23:03:55,257 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 243 transitions. [2023-11-24 23:03:55,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:03:55,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:55,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:55,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:03:55,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:55,482 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:56,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:56,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 91 states and 260 transitions. [2023-11-24 23:03:56,871 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 260 transitions. [2023-11-24 23:03:56,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:03:56,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:56,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:56,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:03:56,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:57,178 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:58,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 95 states and 284 transitions. [2023-11-24 23:03:58,541 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 284 transitions. [2023-11-24 23:03:58,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:03:58,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:58,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:58,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:03:58,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:58,692 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:03:59,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:59,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 97 states and 286 transitions. [2023-11-24 23:03:59,457 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 286 transitions. [2023-11-24 23:03:59,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:03:59,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:59,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:59,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:03:59,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:59,578 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 99 states and 288 transitions. [2023-11-24 23:04:00,490 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 288 transitions. [2023-11-24 23:04:00,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:04:00,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:00,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:00,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:04:00,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:01,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:01,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 101 states and 290 transitions. [2023-11-24 23:04:01,459 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 290 transitions. [2023-11-24 23:04:01,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:04:01,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:01,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:01,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:04:01,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:01,538 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:02,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:02,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 105 states and 325 transitions. [2023-11-24 23:04:02,812 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 325 transitions. [2023-11-24 23:04:02,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:04:02,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:02,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:02,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:04:02,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:03,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:03,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 105 states and 324 transitions. [2023-11-24 23:04:03,317 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 324 transitions. [2023-11-24 23:04:03,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:04:03,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:03,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:03,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:04:03,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:03,376 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 23:04:04,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:04,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 106 states and 330 transitions. [2023-11-24 23:04:04,007 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 330 transitions. [2023-11-24 23:04:04,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:04:04,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:04,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:04,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 23:04:04,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:04:08,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:08,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 115 states and 385 transitions. [2023-11-24 23:04:08,650 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 385 transitions. [2023-11-24 23:04:08,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:04:08,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:08,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:08,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 23:04:08,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:08,780 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:04:10,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:10,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 119 states and 388 transitions. [2023-11-24 23:04:10,720 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 388 transitions. [2023-11-24 23:04:10,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:04:10,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:10,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:10,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 23:04:10,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:10,850 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:04:11,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:11,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 121 states and 390 transitions. [2023-11-24 23:04:11,767 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 390 transitions. [2023-11-24 23:04:11,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:04:11,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:11,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:11,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 23:04:11,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:11,894 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:04:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:12,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 123 states and 391 transitions. [2023-11-24 23:04:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 391 transitions. [2023-11-24 23:04:12,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:04:12,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:12,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:13,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 23:04:13,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:13,113 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:04:14,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:14,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 125 states and 393 transitions. [2023-11-24 23:04:14,141 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 393 transitions. [2023-11-24 23:04:14,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:04:14,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:14,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:14,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:04:14,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:04:16,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:16,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 129 states and 414 transitions. [2023-11-24 23:04:16,568 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 414 transitions. [2023-11-24 23:04:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:04:16,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:16,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:16,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:04:16,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:16,726 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:04:17,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:17,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 131 states and 416 transitions. [2023-11-24 23:04:17,908 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 416 transitions. [2023-11-24 23:04:17,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:04:17,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:17,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:17,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:04:17,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:18,065 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:04:19,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:19,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 133 states and 418 transitions. [2023-11-24 23:04:19,268 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 418 transitions. [2023-11-24 23:04:19,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:04:19,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:19,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:19,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:04:19,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:19,710 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:21,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:21,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 137 states and 449 transitions. [2023-11-24 23:04:21,661 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 449 transitions. [2023-11-24 23:04:21,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:04:21,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:21,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:21,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:04:21,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:21,822 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:04:22,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:22,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 139 states and 451 transitions. [2023-11-24 23:04:22,983 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 451 transitions. [2023-11-24 23:04:22,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:04:22,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:22,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:23,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:04:23,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:23,092 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:24,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:24,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 143 states and 495 transitions. [2023-11-24 23:04:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 495 transitions. [2023-11-24 23:04:24,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:04:24,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:24,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:25,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:04:25,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:25,219 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:04:26,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:26,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 145 states and 497 transitions. [2023-11-24 23:04:26,529 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 497 transitions. [2023-11-24 23:04:26,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:04:26,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:26,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:26,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:04:26,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:27,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:27,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 145 states and 496 transitions. [2023-11-24 23:04:27,268 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 496 transitions. [2023-11-24 23:04:27,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:04:27,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:27,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:27,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:04:27,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:27,358 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:28,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:28,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 145 states and 495 transitions. [2023-11-24 23:04:28,038 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 495 transitions. [2023-11-24 23:04:28,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 23:04:28,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:28,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:28,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:04:28,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:28,107 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked.