./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184ffdbc-d35a-4b1b-b7e6-fe794d1484e3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184ffdbc-d35a-4b1b-b7e6-fe794d1484e3/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_184ffdbc-d35a-4b1b-b7e6-fe794d1484e3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184ffdbc-d35a-4b1b-b7e6-fe794d1484e3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184ffdbc-d35a-4b1b-b7e6-fe794d1484e3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184ffdbc-d35a-4b1b-b7e6-fe794d1484e3/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c3a02723ba5c1d451bdbd3459a030afd92ce200d85c0df9c54e7e40eb695af7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:09:05,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:09:05,696 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184ffdbc-d35a-4b1b-b7e6-fe794d1484e3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:09:05,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:09:05,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:09:05,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:09:05,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:09:05,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:09:05,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:09:05,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:09:05,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:09:05,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:09:05,778 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:09:05,780 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:09:05,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:09:05,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:09:05,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:09:05,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:09:05,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:09:05,783 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:09:05,784 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:09:05,785 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:09:05,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:09:05,786 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:09:05,786 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:09:05,787 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:09:05,787 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:09:05,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:09:05,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:05,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:09:05,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:09:05,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:09:05,790 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:09:05,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:09:05,790 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:09:05,790 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_184ffdbc-d35a-4b1b-b7e6-fe794d1484e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184ffdbc-d35a-4b1b-b7e6-fe794d1484e3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c3a02723ba5c1d451bdbd3459a030afd92ce200d85c0df9c54e7e40eb695af7 [2023-11-19 04:09:06,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:09:06,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:09:06,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:09:06,086 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:09:06,087 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:09:06,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184ffdbc-d35a-4b1b-b7e6-fe794d1484e3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c [2023-11-19 04:09:09,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:09:09,414 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:09:09,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184ffdbc-d35a-4b1b-b7e6-fe794d1484e3/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c [2023-11-19 04:09:09,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184ffdbc-d35a-4b1b-b7e6-fe794d1484e3/bin/ukojak-verify-G8NBE6pJGL/data/1dd189974/b0997b9053c74cc4963f433cdca84be7/FLAG074ce2730 [2023-11-19 04:09:09,444 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184ffdbc-d35a-4b1b-b7e6-fe794d1484e3/bin/ukojak-verify-G8NBE6pJGL/data/1dd189974/b0997b9053c74cc4963f433cdca84be7 [2023-11-19 04:09:09,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:09:09,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:09:09,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:09,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:09:09,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:09:09,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c1e3c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09, skipping insertion in model container [2023-11-19 04:09:09,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,487 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:09:09,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:09,732 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:09:09,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:09,777 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:09:09,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09 WrapperNode [2023-11-19 04:09:09,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:09,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:09,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:09:09,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:09:09,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,836 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2023-11-19 04:09:09,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:09,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:09:09,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:09:09,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:09:09,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,851 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,870 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:09:09,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:09:09,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:09:09,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:09:09,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:09" (1/1) ... [2023-11-19 04:09:09,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:09,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184ffdbc-d35a-4b1b-b7e6-fe794d1484e3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:09:09,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184ffdbc-d35a-4b1b-b7e6-fe794d1484e3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:09:09,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_184ffdbc-d35a-4b1b-b7e6-fe794d1484e3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:09:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:09:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:09:09,962 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:09:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:09:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:09:09,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:09,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:09:09,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:09:10,036 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:10,039 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:10,383 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:10,436 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:10,436 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:09:10,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:10 BoogieIcfgContainer [2023-11-19 04:09:10,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:09:10,443 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:09:10,443 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:09:10,455 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:09:10,456 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:10" (1/1) ... [2023-11-19 04:09:10,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:09:10,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:10,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2023-11-19 04:09:10,544 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-19 04:09:10,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:09:10,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:10,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:10,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:10,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:09:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:11,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 76 states and 80 transitions. [2023-11-19 04:09:11,121 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2023-11-19 04:09:11,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:09:11,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:11,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:11,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:11,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:11,272 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:09:11,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 75 states and 79 transitions. [2023-11-19 04:09:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2023-11-19 04:09:11,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:09:11,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:11,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:11,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:09:11,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:11,391 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:11,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:11,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 80 transitions. [2023-11-19 04:09:11,768 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2023-11-19 04:09:11,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:09:11,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:11,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:11,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:09:11,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:11,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:09:12,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:12,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 84 transitions. [2023-11-19 04:09:12,403 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2023-11-19 04:09:12,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:09:12,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:12,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:12,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:12,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:12,600 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:09:13,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:13,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 86 transitions. [2023-11-19 04:09:13,024 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2023-11-19 04:09:13,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:09:13,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:13,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:13,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:09:13,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:09:14,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 86 states and 93 transitions. [2023-11-19 04:09:14,079 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2023-11-19 04:09:14,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:09:14,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:14,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:14,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:14,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:14,230 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:15,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:15,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 92 states and 103 transitions. [2023-11-19 04:09:15,286 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2023-11-19 04:09:15,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:09:15,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:15,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:15,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:15,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:15,460 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:16,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:16,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 99 states and 115 transitions. [2023-11-19 04:09:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2023-11-19 04:09:16,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:09:16,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:16,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:16,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:09:16,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:16,857 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:19,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:19,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 107 states and 129 transitions. [2023-11-19 04:09:19,833 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2023-11-19 04:09:19,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:09:19,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:19,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:19,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:09:19,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:20,074 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:29,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:29,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 116 states and 144 transitions. [2023-11-19 04:09:29,925 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 144 transitions. [2023-11-19 04:09:29,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:09:29,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:29,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:29,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:29,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:30,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:33,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:33,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 126 states and 158 transitions. [2023-11-19 04:09:33,596 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 158 transitions. [2023-11-19 04:09:33,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:09:33,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:33,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:33,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 04:09:33,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:09:36,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:36,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 134 states and 167 transitions. [2023-11-19 04:09:36,092 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 167 transitions. [2023-11-19 04:09:36,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:09:36,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:36,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:36,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:36,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:36,161 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:36,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:36,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 137 states and 172 transitions. [2023-11-19 04:09:36,214 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 172 transitions. [2023-11-19 04:09:36,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:09:36,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:36,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:36,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:36,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:36,324 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:37,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:37,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 151 states and 192 transitions. [2023-11-19 04:09:37,777 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 192 transitions. [2023-11-19 04:09:37,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:09:37,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:37,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:37,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:37,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:37,915 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:38,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:38,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 155 states and 199 transitions. [2023-11-19 04:09:38,598 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 199 transitions. [2023-11-19 04:09:38,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:09:38,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:38,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:38,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:38,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:38,770 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:40,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:40,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 170 states and 221 transitions. [2023-11-19 04:09:40,213 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 221 transitions. [2023-11-19 04:09:40,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:09:40,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:40,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:40,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:40,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:40,381 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:41,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:41,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 176 states and 232 transitions. [2023-11-19 04:09:41,936 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 232 transitions. [2023-11-19 04:09:41,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:09:41,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:41,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:41,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:41,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:42,015 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:42,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:42,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 179 states and 236 transitions. [2023-11-19 04:09:42,826 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 236 transitions. [2023-11-19 04:09:42,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:09:42,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:42,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:42,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:42,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:43,060 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:44,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 185 states and 246 transitions. [2023-11-19 04:09:44,382 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 246 transitions. [2023-11-19 04:09:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:09:44,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:44,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:44,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:44,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:45,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:45,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 189 states and 251 transitions. [2023-11-19 04:09:45,032 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 251 transitions. [2023-11-19 04:09:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:09:45,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:45,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:45,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:45,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:45,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:48,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:48,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 196 states and 262 transitions. [2023-11-19 04:09:48,031 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 262 transitions. [2023-11-19 04:09:48,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:09:48,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:48,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:48,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:48,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:48,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:09:50,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:50,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 203 states and 276 transitions. [2023-11-19 04:09:50,209 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 276 transitions. [2023-11-19 04:09:50,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:09:50,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:50,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:50,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:50,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:50,455 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:53,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:53,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 211 states and 289 transitions. [2023-11-19 04:09:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 289 transitions. [2023-11-19 04:09:53,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:09:53,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:53,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:53,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:09:53,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:54,125 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:09:59,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:59,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 220 states and 305 transitions. [2023-11-19 04:09:59,622 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 305 transitions. [2023-11-19 04:09:59,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:09:59,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:59,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:59,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:59,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:59,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:10:04,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:04,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 228 states and 317 transitions. [2023-11-19 04:10:04,304 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 317 transitions. [2023-11-19 04:10:04,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:10:04,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:04,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:04,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:10:04,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:04,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.