./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/freire1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_ca5e6ac3-7429-4939-9f88-a8e4a998c19b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5e6ac3-7429-4939-9f88-a8e4a998c19b/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_ca5e6ac3-7429-4939-9f88-a8e4a998c19b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5e6ac3-7429-4939-9f88-a8e4a998c19b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/freire1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5e6ac3-7429-4939-9f88-a8e4a998c19b/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_ca5e6ac3-7429-4939-9f88-a8e4a998c19b/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 a69393ce5fe75f7ab01b3582ad0675909e9396d47152d54bb12cb1909ec8c6ec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:00,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:00,219 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5e6ac3-7429-4939-9f88-a8e4a998c19b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:58:00,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:58:00,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:58:00,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:00,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:00,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:00,250 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:00,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:00,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:00,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:00,252 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:58:00,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:58:00,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:58:00,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:00,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:00,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:00,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:00,270 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:58:00,270 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:58:00,272 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:58:00,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:00,272 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:00,273 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:00,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:00,274 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:00,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:00,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:00,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:00,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:00,276 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:00,276 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:58:00,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:58:00,287 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:00,287 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_ca5e6ac3-7429-4939-9f88-a8e4a998c19b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5e6ac3-7429-4939-9f88-a8e4a998c19b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a69393ce5fe75f7ab01b3582ad0675909e9396d47152d54bb12cb1909ec8c6ec [2023-11-19 03:58:00,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:00,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:00,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:00,596 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:00,597 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:00,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5e6ac3-7429-4939-9f88-a8e4a998c19b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/freire1.c [2023-11-19 03:58:03,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:04,066 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:04,067 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5e6ac3-7429-4939-9f88-a8e4a998c19b/sv-benchmarks/c/nla-digbench/freire1.c [2023-11-19 03:58:04,074 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5e6ac3-7429-4939-9f88-a8e4a998c19b/bin/ukojak-verify-G8NBE6pJGL/data/120850314/9aeba643e0e9493eb453e5c2c9345b5f/FLAG22f85bc92 [2023-11-19 03:58:04,087 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5e6ac3-7429-4939-9f88-a8e4a998c19b/bin/ukojak-verify-G8NBE6pJGL/data/120850314/9aeba643e0e9493eb453e5c2c9345b5f [2023-11-19 03:58:04,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:04,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:04,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:04,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:04,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:04,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63bd6e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04, skipping insertion in model container [2023-11-19 03:58:04,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,118 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:04,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:04,282 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:04,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:04,312 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:04,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04 WrapperNode [2023-11-19 03:58:04,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:04,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:04,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:04,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:04,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,347 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-11-19 03:58:04,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:04,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:04,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:04,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:04,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,368 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:04,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:04,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:04,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:04,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:04,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5e6ac3-7429-4939-9f88-a8e4a998c19b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:04,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5e6ac3-7429-4939-9f88-a8e4a998c19b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:04,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca5e6ac3-7429-4939-9f88-a8e4a998c19b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:04,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:04,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:04,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:58:04,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:58:04,508 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:04,510 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:04,657 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:04,682 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:04,682 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:58:04,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:04 BoogieIcfgContainer [2023-11-19 03:58:04,687 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:04,688 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:04,688 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:04,698 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:04,698 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:04" (1/1) ... [2023-11-19 03:58:04,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:58:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:04,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2023-11-19 03:58:04,762 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-19 03:58:04,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:58:04,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:04,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:04,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:04,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:04,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2023-11-19 03:58:04,902 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-11-19 03:58:04,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:58:04,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:04,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:04,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:58:04,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:04,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:05,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:05,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2023-11-19 03:58:05,007 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2023-11-19 03:58:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:58:05,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:05,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:05,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:58:05,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:05,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:05,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:05,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-11-19 03:58:05,102 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-19 03:58:05,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:58:05,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:05,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:05,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:58:05,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:05,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2023-11-19 03:58:05,275 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-11-19 03:58:05,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:58:05,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:05,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:05,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:58:05,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:05,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:05,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:05,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 32 transitions. [2023-11-19 03:58:05,535 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-19 03:58:05,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:58:05,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:05,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:05,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:58:05,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:05,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:05,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:05,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 38 transitions. [2023-11-19 03:58:05,753 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2023-11-19 03:58:05,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:58:05,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:05,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:05,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:58:05,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:05,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:58:05,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:05,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 42 transitions. [2023-11-19 03:58:05,948 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2023-11-19 03:58:05,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:58:05,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:05,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:05,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:58:05,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:58:06,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:06,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 48 transitions. [2023-11-19 03:58:06,222 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2023-11-19 03:58:06,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:58:06,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:06,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:06,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:58:06,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:06,353 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:58:06,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:06,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 51 transitions. [2023-11-19 03:58:06,458 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2023-11-19 03:58:06,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:58:06,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:06,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:06,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:58:06,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:06,595 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:58:06,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:06,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 57 transitions. [2023-11-19 03:58:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-11-19 03:58:06,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:58:06,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:06,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:06,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:58:06,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:06,892 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:58:07,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:07,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 60 transitions. [2023-11-19 03:58:07,055 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2023-11-19 03:58:07,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:58:07,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:07,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:07,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:58:07,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:07,183 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:58:07,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:07,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 66 transitions. [2023-11-19 03:58:07,419 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2023-11-19 03:58:07,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:58:07,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:07,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:07,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:58:07,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:07,565 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:58:07,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:07,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 69 transitions. [2023-11-19 03:58:07,692 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2023-11-19 03:58:07,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:58:07,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:07,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:07,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:58:07,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:07,826 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:58:08,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:08,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 75 transitions. [2023-11-19 03:58:08,039 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2023-11-19 03:58:08,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:58:08,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:08,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:08,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:58:08,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:08,188 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:58:08,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:08,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 78 transitions. [2023-11-19 03:58:08,318 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2023-11-19 03:58:08,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:58:08,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:08,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:08,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:58:08,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:08,460 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:58:08,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:08,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 67 states and 84 transitions. [2023-11-19 03:58:08,708 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2023-11-19 03:58:08,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:58:08,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:08,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:08,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:58:08,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:08,864 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:58:09,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:09,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 70 states and 87 transitions. [2023-11-19 03:58:09,013 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2023-11-19 03:58:09,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:58:09,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:09,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:09,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:58:09,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:09,160 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:58:09,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:09,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 74 states and 93 transitions. [2023-11-19 03:58:09,431 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2023-11-19 03:58:09,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:58:09,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:09,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:09,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:58:09,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:09,614 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:58:09,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:09,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 77 states and 96 transitions. [2023-11-19 03:58:09,776 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2023-11-19 03:58:09,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:58:09,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:09,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:09,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:58:09,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:09,941 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:58:10,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:10,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 81 states and 102 transitions. [2023-11-19 03:58:10,245 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 102 transitions. [2023-11-19 03:58:10,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:58:10,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:10,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:10,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:58:10,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:10,476 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:58:10,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:10,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 84 states and 105 transitions. [2023-11-19 03:58:10,693 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2023-11-19 03:58:10,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 03:58:10,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:10,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:10,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:58:10,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:10,877 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:58:11,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:11,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 88 states and 111 transitions. [2023-11-19 03:58:11,232 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 111 transitions. [2023-11-19 03:58:11,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 03:58:11,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:11,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:11,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:58:11,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 279 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:58:11,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:11,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 91 states and 114 transitions. [2023-11-19 03:58:11,663 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 114 transitions. [2023-11-19 03:58:11,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 03:58:11,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:11,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:11,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:58:11,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-19 03:58:12,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:12,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 120 transitions. [2023-11-19 03:58:12,229 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 120 transitions. [2023-11-19 03:58:12,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 03:58:12,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:12,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:12,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:58:12,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-19 03:58:12,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:12,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 98 states and 123 transitions. [2023-11-19 03:58:12,701 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 123 transitions. [2023-11-19 03:58:12,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-19 03:58:12,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:12,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:12,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:58:12,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:12,912 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-19 03:58:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:13,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 102 states and 129 transitions. [2023-11-19 03:58:13,299 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 129 transitions. [2023-11-19 03:58:13,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 03:58:13,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:13,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:13,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:58:13,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:13,603 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 418 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-19 03:58:13,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:13,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 105 states and 132 transitions. [2023-11-19 03:58:13,868 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 132 transitions. [2023-11-19 03:58:13,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-19 03:58:13,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:13,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:13,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:58:13,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:14,101 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-19 03:58:14,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:14,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 109 states and 138 transitions. [2023-11-19 03:58:14,482 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 138 transitions. [2023-11-19 03:58:14,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-19 03:58:14,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:14,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:14,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:58:14,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:14,726 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 498 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-19 03:58:14,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:14,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 112 states and 141 transitions. [2023-11-19 03:58:14,994 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 141 transitions. [2023-11-19 03:58:14,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 03:58:14,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:14,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:15,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:58:15,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:15,309 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-19 03:58:15,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 116 states and 147 transitions. [2023-11-19 03:58:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 147 transitions. [2023-11-19 03:58:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-19 03:58:15,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:15,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:15,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:58:15,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:16,157 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-19 03:58:16,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 119 states and 150 transitions. [2023-11-19 03:58:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2023-11-19 03:58:16,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-19 03:58:16,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:16,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:16,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:58:16,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:16,796 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 637 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-19 03:58:17,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:17,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 123 states and 156 transitions. [2023-11-19 03:58:17,366 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 156 transitions. [2023-11-19 03:58:17,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-19 03:58:17,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:17,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:17,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:58:17,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:17,751 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-19 03:58:18,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:18,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 126 states and 159 transitions. [2023-11-19 03:58:18,106 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2023-11-19 03:58:18,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-19 03:58:18,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:18,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:18,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:58:18,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:18,437 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 0 proven. 735 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-19 03:58:18,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:18,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 130 states and 165 transitions. [2023-11-19 03:58:18,963 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 165 transitions. [2023-11-19 03:58:18,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-19 03:58:18,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:18,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:19,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:58:19,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:19,314 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-19 03:58:19,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:19,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 133 states and 168 transitions. [2023-11-19 03:58:19,677 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 168 transitions. [2023-11-19 03:58:19,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-19 03:58:19,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:19,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:19,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:58:19,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:19,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 03:58:20,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:20,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 137 states and 174 transitions. [2023-11-19 03:58:20,446 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2023-11-19 03:58:20,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-19 03:58:20,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:20,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:20,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:58:20,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:20,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 888 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 03:58:21,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:21,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 140 states and 177 transitions. [2023-11-19 03:58:21,166 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 177 transitions. [2023-11-19 03:58:21,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-19 03:58:21,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:21,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:21,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:58:21,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:21,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 0 proven. 952 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-19 03:58:22,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:22,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 144 states and 183 transitions. [2023-11-19 03:58:22,068 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 183 transitions. [2023-11-19 03:58:22,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-19 03:58:22,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:22,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:22,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 03:58:22,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1003 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-19 03:58:22,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:22,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 147 states and 186 transitions. [2023-11-19 03:58:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 186 transitions. [2023-11-19 03:58:22,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-19 03:58:22,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:22,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:22,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:58:22,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:23,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1377 backedges. 0 proven. 1071 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-19 03:58:23,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:23,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 151 states and 192 transitions. [2023-11-19 03:58:23,782 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 192 transitions. [2023-11-19 03:58:23,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 03:58:23,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:23,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:23,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 03:58:23,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:24,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-19 03:58:24,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:24,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 154 states and 195 transitions. [2023-11-19 03:58:24,521 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 195 transitions. [2023-11-19 03:58:24,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-19 03:58:24,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:24,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:24,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:58:24,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:24,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1539 backedges. 0 proven. 1197 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2023-11-19 03:58:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:25,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 158 states and 201 transitions. [2023-11-19 03:58:25,422 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 201 transitions. [2023-11-19 03:58:25,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-19 03:58:25,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:25,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:25,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 03:58:25,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:25,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1254 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2023-11-19 03:58:26,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:26,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 161 states and 204 transitions. [2023-11-19 03:58:26,254 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 204 transitions. [2023-11-19 03:58:26,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 03:58:26,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:26,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:26,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:58:26,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:26,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1710 backedges. 0 proven. 1330 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-19 03:58:27,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:27,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 165 states and 210 transitions. [2023-11-19 03:58:27,208 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 210 transitions. [2023-11-19 03:58:27,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-19 03:58:27,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:27,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:27,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 03:58:27,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:27,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1390 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-19 03:58:28,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:28,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 168 states and 213 transitions. [2023-11-19 03:58:28,133 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 213 transitions. [2023-11-19 03:58:28,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-19 03:58:28,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:28,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:28,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:58:28,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:28,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1890 backedges. 0 proven. 1470 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 03:58:29,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:29,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 172 states and 219 transitions. [2023-11-19 03:58:29,240 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 219 transitions. [2023-11-19 03:58:29,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-19 03:58:29,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:29,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:29,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 03:58:29,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:29,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1533 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 03:58:30,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:30,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 175 states and 222 transitions. [2023-11-19 03:58:30,124 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 222 transitions. [2023-11-19 03:58:30,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-19 03:58:30,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:30,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:30,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:58:30,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:30,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2079 backedges. 0 proven. 1617 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-19 03:58:31,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:31,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 179 states and 228 transitions. [2023-11-19 03:58:31,179 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 228 transitions. [2023-11-19 03:58:31,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-19 03:58:31,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:31,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:31,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 03:58:31,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:31,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-19 03:58:32,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:32,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 182 states and 231 transitions. [2023-11-19 03:58:32,169 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 231 transitions. [2023-11-19 03:58:32,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-19 03:58:32,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:32,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:32,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:58:32,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:32,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2277 backedges. 0 proven. 1771 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2023-11-19 03:58:33,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:33,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 186 states and 237 transitions. [2023-11-19 03:58:33,446 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 237 transitions. [2023-11-19 03:58:33,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-19 03:58:33,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:33,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:33,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-19 03:58:33,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:33,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 1840 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2023-11-19 03:58:34,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:34,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 189 states and 240 transitions. [2023-11-19 03:58:34,529 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 240 transitions. [2023-11-19 03:58:34,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-19 03:58:34,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:34,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:34,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:58:34,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:34,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2484 backedges. 0 proven. 1932 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2023-11-19 03:58:35,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:35,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 193 states and 246 transitions. [2023-11-19 03:58:35,825 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 246 transitions. [2023-11-19 03:58:35,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-19 03:58:35,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:35,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:35,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-19 03:58:35,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:36,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2004 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2023-11-19 03:58:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:36,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 196 states and 249 transitions. [2023-11-19 03:58:36,807 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 249 transitions. [2023-11-19 03:58:36,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-11-19 03:58:36,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:36,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:36,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:58:36,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:37,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 2100 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2023-11-19 03:58:37,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:37,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 200 states and 255 transitions. [2023-11-19 03:58:37,979 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 255 transitions. [2023-11-19 03:58:37,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-11-19 03:58:37,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:37,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:38,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-19 03:58:38,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:38,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2175 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2023-11-19 03:58:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:38,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 203 states and 258 transitions. [2023-11-19 03:58:38,974 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 258 transitions. [2023-11-19 03:58:38,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-19 03:58:38,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:38,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:39,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:58:39,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:39,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2925 backedges. 0 proven. 2275 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-19 03:58:40,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:40,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 207 states and 264 transitions. [2023-11-19 03:58:40,414 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 264 transitions. [2023-11-19 03:58:40,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-19 03:58:40,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:40,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:40,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 03:58:40,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:40,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 2353 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-19 03:58:41,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:41,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 210 states and 267 transitions. [2023-11-19 03:58:41,523 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 267 transitions. [2023-11-19 03:58:41,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-11-19 03:58:41,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:41,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:41,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:58:41,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:42,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 0 proven. 2457 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2023-11-19 03:58:42,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:43,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 214 states and 273 transitions. [2023-11-19 03:58:43,000 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 273 transitions. [2023-11-19 03:58:43,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-19 03:58:43,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:43,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:43,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-19 03:58:43,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:43,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 2538 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2023-11-19 03:58:44,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:44,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 217 states and 276 transitions. [2023-11-19 03:58:44,162 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 276 transitions. [2023-11-19 03:58:44,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-11-19 03:58:44,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:44,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:44,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:58:44,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:44,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3402 backedges. 0 proven. 2646 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-19 03:58:45,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:45,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 221 states and 282 transitions. [2023-11-19 03:58:45,488 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 282 transitions. [2023-11-19 03:58:45,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-19 03:58:45,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:45,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:45,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-19 03:58:45,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-19 03:58:46,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 224 states and 285 transitions. [2023-11-19 03:58:46,753 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 285 transitions. [2023-11-19 03:58:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2023-11-19 03:58:46,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:46,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:46,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 03:58:46,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3654 backedges. 0 proven. 2842 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-19 03:58:48,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 228 states and 291 transitions. [2023-11-19 03:58:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 291 transitions. [2023-11-19 03:58:48,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-11-19 03:58:48,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:48,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:48,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-19 03:58:48,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:48,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 2929 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-19 03:58:49,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:49,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 231 states and 294 transitions. [2023-11-19 03:58:49,750 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 294 transitions. [2023-11-19 03:58:49,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-11-19 03:58:49,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:49,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:49,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:58:49,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:50,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3915 backedges. 0 proven. 3045 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-19 03:58:51,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:51,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 235 states and 300 transitions. [2023-11-19 03:58:51,429 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 300 transitions. [2023-11-19 03:58:51,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-11-19 03:58:51,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:51,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:51,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-19 03:58:51,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:52,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 3135 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-19 03:58:52,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:52,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 238 states and 303 transitions. [2023-11-19 03:58:52,949 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 303 transitions. [2023-11-19 03:58:52,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2023-11-19 03:58:52,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:52,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:53,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 03:58:53,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:53,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4185 backedges. 0 proven. 3255 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked.