./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.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_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/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_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/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_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/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 ecbe5f0ce97488539db604edfadf8e9064f15df8e290f20f11bd6c6bd2401ed2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:58,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:59,059 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:55:59,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:55:59,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:55:59,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:59,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:59,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:59,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:59,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:59,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:59,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:59,117 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:55:59,119 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:55:59,119 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:55:59,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:59,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:59,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:59,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:59,121 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:55:59,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:59,122 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:59,123 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:59,123 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:59,124 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:59,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:59,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:59,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:59,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:59,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:59,128 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:55:59,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:55:59,128 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:59,128 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_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbe5f0ce97488539db604edfadf8e9064f15df8e290f20f11bd6c6bd2401ed2 [2023-11-19 02:55:59,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:59,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:59,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:59,438 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:59,438 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:59,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c [2023-11-19 02:56:02,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:02,886 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:02,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c [2023-11-19 02:56:02,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/bin/ukojak-verify-G8NBE6pJGL/data/82766cb48/09db3a37c5754a0393dcde143cd6b475/FLAG1de573a4f [2023-11-19 02:56:02,916 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/bin/ukojak-verify-G8NBE6pJGL/data/82766cb48/09db3a37c5754a0393dcde143cd6b475 [2023-11-19 02:56:02,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:02,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:02,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:02,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:02,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:02,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:02" (1/1) ... [2023-11-19 02:56:02,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c23ef08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:02, skipping insertion in model container [2023-11-19 02:56:02,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:02" (1/1) ... [2023-11-19 02:56:02,971 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:03,156 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_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c[520,533] [2023-11-19 02:56:03,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:03,191 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:03,208 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_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound100.c[520,533] [2023-11-19 02:56:03,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:03,244 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:03,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:03 WrapperNode [2023-11-19 02:56:03,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:03,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:03,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:03,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:03,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:03" (1/1) ... [2023-11-19 02:56:03,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:03" (1/1) ... [2023-11-19 02:56:03,288 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-11-19 02:56:03,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:03,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:03,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:03,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:03,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:03" (1/1) ... [2023-11-19 02:56:03,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:03" (1/1) ... [2023-11-19 02:56:03,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:03" (1/1) ... [2023-11-19 02:56:03,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:03" (1/1) ... [2023-11-19 02:56:03,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:03" (1/1) ... [2023-11-19 02:56:03,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:03" (1/1) ... [2023-11-19 02:56:03,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:03" (1/1) ... [2023-11-19 02:56:03,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:03" (1/1) ... [2023-11-19 02:56:03,331 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:03,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:03,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:03,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:03,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:03" (1/1) ... [2023-11-19 02:56:03,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:03,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:03,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:03,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d248f56-f7d6-4d91-abfe-2afa3c4925c2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:56:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:03,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:56:03,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:56:03,471 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:03,473 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:03,619 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:03,664 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:03,665 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:56:03,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:03 BoogieIcfgContainer [2023-11-19 02:56:03,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:56:03,671 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:56:03,671 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:56:03,682 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:56:03,682 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:03" (1/1) ... [2023-11-19 02:56:03,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:56:03,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:03,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-19 02:56:03,740 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-19 02:56:03,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:56:03,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:03,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:04,212 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 02:56:04,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2023-11-19 02:56:04,331 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2023-11-19 02:56:04,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:56:04,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:04,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:04,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:56:04,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:04,591 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 02:56:04,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2023-11-19 02:56:04,767 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2023-11-19 02:56:04,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:56:04,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:04,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:04,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:56:04,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:04,867 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 02:56:04,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:04,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2023-11-19 02:56:04,995 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2023-11-19 02:56:04,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:56:04,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:04,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:05,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:56:05,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:05,127 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 02:56:05,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:05,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2023-11-19 02:56:05,252 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2023-11-19 02:56:05,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:56:05,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:05,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:05,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:56:05,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:05,406 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 02:56:05,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:05,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2023-11-19 02:56:05,538 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2023-11-19 02:56:05,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:56:05,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:05,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:05,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:56:05,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:05,632 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 02:56:05,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:05,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2023-11-19 02:56:05,683 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2023-11-19 02:56:05,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:56:05,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:05,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:05,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:56:05,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:56:06,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 68 transitions. [2023-11-19 02:56:06,066 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2023-11-19 02:56:06,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:56:06,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:06,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:06,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:56:06,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:06,151 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:56:06,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:06,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2023-11-19 02:56:06,195 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2023-11-19 02:56:06,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:56:06,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:06,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:06,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:56:06,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:06,314 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:56:06,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 41 states and 78 transitions. [2023-11-19 02:56:06,540 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 78 transitions. [2023-11-19 02:56:06,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:56:06,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:06,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:06,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:56:06,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:06,638 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:56:06,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:06,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2023-11-19 02:56:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2023-11-19 02:56:06,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:56:06,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:06,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:06,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:56:06,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:56:07,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:07,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 88 transitions. [2023-11-19 02:56:07,081 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2023-11-19 02:56:07,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:56:07,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:07,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:07,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:56:07,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:07,271 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 02:56:07,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:07,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 49 states and 93 transitions. [2023-11-19 02:56:07,644 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2023-11-19 02:56:07,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:56:07,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:07,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:07,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:56:07,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:07,858 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:56:08,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:08,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 99 transitions. [2023-11-19 02:56:08,213 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 99 transitions. [2023-11-19 02:56:08,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:56:08,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:08,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:08,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:56:08,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-11-19 02:56:09,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:09,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 54 states and 103 transitions. [2023-11-19 02:56:09,798 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 103 transitions. [2023-11-19 02:56:09,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:56:09,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:09,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:09,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:56:09,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:09,953 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:56:10,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:10,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 108 transitions. [2023-11-19 02:56:10,289 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 108 transitions. [2023-11-19 02:56:10,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:56:10,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:10,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:10,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:56:10,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:10,422 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:56:10,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:10,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 59 states and 116 transitions. [2023-11-19 02:56:10,615 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 116 transitions. [2023-11-19 02:56:10,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:56:10,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:10,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:10,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:56:10,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:10,791 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:56:11,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:11,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 61 states and 119 transitions. [2023-11-19 02:56:11,019 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 119 transitions. [2023-11-19 02:56:11,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:56:11,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:11,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:11,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:56:11,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-11-19 02:56:11,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:11,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 63 states and 122 transitions. [2023-11-19 02:56:11,207 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 122 transitions. [2023-11-19 02:56:11,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 02:56:11,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:11,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:11,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:56:11,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:11,433 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 20 proven. 24 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 02:56:11,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:11,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 66 states and 128 transitions. [2023-11-19 02:56:11,872 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 128 transitions. [2023-11-19 02:56:11,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:56:11,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:11,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:11,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:56:11,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:12,055 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 02:56:12,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:12,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 68 states and 133 transitions. [2023-11-19 02:56:12,465 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 133 transitions. [2023-11-19 02:56:12,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 02:56:12,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:12,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:12,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:56:12,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:12,603 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 02:56:12,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:12,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 71 states and 141 transitions. [2023-11-19 02:56:12,818 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 141 transitions. [2023-11-19 02:56:12,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 02:56:12,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:12,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:12,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:56:12,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:13,038 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 02:56:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 73 states and 144 transitions. [2023-11-19 02:56:13,306 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 144 transitions. [2023-11-19 02:56:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 02:56:13,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:13,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:13,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:56:13,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-19 02:56:13,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:13,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 75 states and 147 transitions. [2023-11-19 02:56:13,522 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 147 transitions. [2023-11-19 02:56:13,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 02:56:13,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:13,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:13,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 02:56:13,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:13,771 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 26 proven. 42 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 02:56:14,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:14,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 78 states and 153 transitions. [2023-11-19 02:56:14,255 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2023-11-19 02:56:14,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 02:56:14,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:14,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:14,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 02:56:14,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:14,504 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 27 proven. 86 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 02:56:15,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:15,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 56 states and 103 transitions. [2023-11-19 02:56:15,294 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 103 transitions. [2023-11-19 02:56:15,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 02:56:15,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:15,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:15,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:56:15,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:15,458 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 30 proven. 50 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 02:56:15,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:15,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 59 states and 110 transitions. [2023-11-19 02:56:15,680 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 110 transitions. [2023-11-19 02:56:15,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 02:56:15,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:15,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:15,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:56:15,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:15,926 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 02:56:16,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:16,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 113 transitions. [2023-11-19 02:56:16,239 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2023-11-19 02:56:16,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 02:56:16,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:16,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:16,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:56:16,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:16,360 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2023-11-19 02:56:16,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:16,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 112 transitions. [2023-11-19 02:56:16,520 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2023-11-19 02:56:16,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 02:56:16,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:16,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:16,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 02:56:16,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:16,843 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 32 proven. 65 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 02:56:17,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:17,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 62 states and 114 transitions. [2023-11-19 02:56:17,439 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 114 transitions. [2023-11-19 02:56:17,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 02:56:17,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:17,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:17,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 02:56:17,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 33 proven. 119 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-19 02:56:18,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:18,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 63 states and 117 transitions. [2023-11-19 02:56:18,279 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 117 transitions. [2023-11-19 02:56:18,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 02:56:18,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:18,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:18,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:56:18,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:18,451 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 36 proven. 75 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 02:56:18,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:18,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 66 states and 124 transitions. [2023-11-19 02:56:18,679 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 124 transitions. [2023-11-19 02:56:18,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 02:56:18,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:18,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:18,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:56:18,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:18,990 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 36 proven. 87 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 02:56:19,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:19,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 68 states and 127 transitions. [2023-11-19 02:56:19,371 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 127 transitions. [2023-11-19 02:56:19,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-19 02:56:19,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:19,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:19,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:56:19,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:19,471 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2023-11-19 02:56:19,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:19,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 68 states and 126 transitions. [2023-11-19 02:56:19,640 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2023-11-19 02:56:19,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 02:56:19,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:19,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:19,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-19 02:56:19,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:20,008 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 37 proven. 148 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-19 02:56:20,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:20,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 69 states and 128 transitions. [2023-11-19 02:56:20,651 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 128 transitions. [2023-11-19 02:56:20,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 02:56:20,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:20,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:20,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 02:56:20,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:20,942 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 39 proven. 157 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-19 02:56:21,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:21,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 70 states and 131 transitions. [2023-11-19 02:56:21,460 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 131 transitions. [2023-11-19 02:56:21,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-19 02:56:21,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:21,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:21,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 02:56:21,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:21,653 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 42 proven. 105 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-19 02:56:21,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:21,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 73 states and 138 transitions. [2023-11-19 02:56:21,895 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 138 transitions. [2023-11-19 02:56:21,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-19 02:56:21,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:21,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:21,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:56:21,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:22,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 42 proven. 119 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-19 02:56:22,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:22,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 75 states and 141 transitions. [2023-11-19 02:56:22,589 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 141 transitions. [2023-11-19 02:56:22,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-19 02:56:22,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:22,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:22,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:56:22,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:22,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2023-11-19 02:56:22,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:22,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 75 states and 140 transitions. [2023-11-19 02:56:22,858 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 140 transitions. [2023-11-19 02:56:22,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-19 02:56:22,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:22,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:22,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-19 02:56:22,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:23,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 43 proven. 190 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-19 02:56:24,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:24,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 76 states and 142 transitions. [2023-11-19 02:56:24,011 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 142 transitions. [2023-11-19 02:56:24,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-19 02:56:24,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:24,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:24,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 02:56:24,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:24,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 45 proven. 200 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-19 02:56:24,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:24,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 77 states and 145 transitions. [2023-11-19 02:56:24,974 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 145 transitions. [2023-11-19 02:56:24,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-19 02:56:24,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:24,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:25,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:56:25,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:25,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 48 proven. 140 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 02:56:25,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:25,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 80 states and 152 transitions. [2023-11-19 02:56:25,620 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 152 transitions. [2023-11-19 02:56:25,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 02:56:25,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:25,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:25,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 02:56:25,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:26,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1308 backedges. 48 proven. 156 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 02:56:26,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 82 states and 155 transitions. [2023-11-19 02:56:26,693 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 155 transitions. [2023-11-19 02:56:26,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 02:56:26,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:26,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:26,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:56:26,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2023-11-19 02:56:27,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:27,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 82 states and 154 transitions. [2023-11-19 02:56:27,040 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 154 transitions. [2023-11-19 02:56:27,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-19 02:56:27,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:27,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:27,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-19 02:56:27,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:27,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1414 backedges. 50 proven. 164 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 02:56:28,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:28,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 83 states and 156 transitions. [2023-11-19 02:56:28,370 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 156 transitions. [2023-11-19 02:56:28,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-19 02:56:28,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:28,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:28,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-19 02:56:28,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:28,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1524 backedges. 51 proven. 248 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-19 02:56:29,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 84 states and 159 transitions. [2023-11-19 02:56:29,431 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 159 transitions. [2023-11-19 02:56:29,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-19 02:56:29,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:29,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:29,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 02:56:29,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:29,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 54 proven. 180 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-19 02:56:29,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:29,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 87 states and 166 transitions. [2023-11-19 02:56:29,986 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 166 transitions. [2023-11-19 02:56:29,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-19 02:56:29,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:29,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:30,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 02:56:30,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:30,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 54 proven. 198 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-19 02:56:30,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:30,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 89 states and 169 transitions. [2023-11-19 02:56:30,882 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 169 transitions. [2023-11-19 02:56:30,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-19 02:56:30,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:30,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:30,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:56:30,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:30,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1748 backedges. 146 proven. 7 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2023-11-19 02:56:31,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:31,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 89 states and 168 transitions. [2023-11-19 02:56:31,177 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 168 transitions. [2023-11-19 02:56:31,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-19 02:56:31,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:31,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:31,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-19 02:56:31,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:31,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 55 proven. 289 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 02:56:32,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:32,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 90 states and 170 transitions. [2023-11-19 02:56:32,510 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 170 transitions. [2023-11-19 02:56:32,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-19 02:56:32,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:32,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:32,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 02:56:32,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:32,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1898 backedges. 57 proven. 301 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-11-19 02:56:33,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:33,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 91 states and 173 transitions. [2023-11-19 02:56:33,603 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 173 transitions. [2023-11-19 02:56:33,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-19 02:56:33,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:33,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:33,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 02:56:33,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:33,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2025 backedges. 60 proven. 225 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-11-19 02:56:34,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:34,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 94 states and 180 transitions. [2023-11-19 02:56:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 180 transitions. [2023-11-19 02:56:34,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 02:56:34,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:34,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:34,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 02:56:34,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:34,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 60 proven. 245 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-11-19 02:56:35,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 96 states and 183 transitions. [2023-11-19 02:56:35,180 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 183 transitions. [2023-11-19 02:56:35,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-19 02:56:35,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:35,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:35,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:56:35,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:35,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 163 proven. 7 refuted. 0 times theorem prover too weak. 1977 trivial. 0 not checked. [2023-11-19 02:56:35,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:35,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 96 states and 182 transitions. [2023-11-19 02:56:35,504 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 182 transitions. [2023-11-19 02:56:35,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 02:56:35,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:35,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:35,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-19 02:56:35,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:37,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 62 proven. 255 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 02:56:42,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:42,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 147 states and 275 transitions. [2023-11-19 02:56:42,711 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 275 transitions. [2023-11-19 02:56:42,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-19 02:56:42,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:42,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:42,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-19 02:56:42,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 63 proven. 359 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-11-19 02:56:46,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:46,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 148 states and 278 transitions. [2023-11-19 02:56:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 278 transitions. [2023-11-19 02:56:46,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-19 02:56:46,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:46,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:46,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 02:56:46,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:46,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2453 backedges. 66 proven. 275 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-19 02:56:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:47,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 151 states and 285 transitions. [2023-11-19 02:56:47,081 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 285 transitions. [2023-11-19 02:56:47,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-19 02:56:47,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:47,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:47,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 02:56:47,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:49,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2475 backedges. 313 proven. 50 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-19 02:56:51,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:51,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 82 states and 139 transitions. [2023-11-19 02:56:51,770 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 139 transitions. [2023-11-19 02:56:51,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-19 02:56:51,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:51,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:51,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:56:51,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:51,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2587 backedges. 180 proven. 7 refuted. 0 times theorem prover too weak. 2400 trivial. 0 not checked. [2023-11-19 02:56:52,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:52,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 77 states and 134 transitions. [2023-11-19 02:56:52,398 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 134 transitions. [2023-11-19 02:56:52,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:56:52,399 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 59 iterations. [2023-11-19 02:56:52,409 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold