./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1273a4c-164a-4ef2-b79d-cb2f1dea4468/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1273a4c-164a-4ef2-b79d-cb2f1dea4468/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1273a4c-164a-4ef2-b79d-cb2f1dea4468/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1273a4c-164a-4ef2-b79d-cb2f1dea4468/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1273a4c-164a-4ef2-b79d-cb2f1dea4468/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1273a4c-164a-4ef2-b79d-cb2f1dea4468/bin/ukojak-verify-1t5iHCbJaC --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 66de7f8dcfecba0155136bf2ae50cf69773125ef386b1007a2b643875d1f6943 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:22:30,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:22:30,875 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1273a4c-164a-4ef2-b79d-cb2f1dea4468/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:22:30,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:22:30,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:22:30,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:22:30,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:22:30,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:22:30,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:22:30,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:22:30,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:22:30,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:22:30,918 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:22:30,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:22:30,919 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:22:30,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:22:30,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:22:30,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:22:30,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:22:30,923 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:22:30,923 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:22:30,924 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:22:30,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:22:30,926 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:22:30,926 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:22:30,927 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:22:30,928 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:22:30,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:22:30,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:30,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:22:30,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:22:30,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:22:30,931 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:22:30,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:22:30,932 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:22:30,933 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_f1273a4c-164a-4ef2-b79d-cb2f1dea4468/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1273a4c-164a-4ef2-b79d-cb2f1dea4468/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66de7f8dcfecba0155136bf2ae50cf69773125ef386b1007a2b643875d1f6943 [2023-11-23 20:22:31,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:22:31,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:22:31,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:22:31,257 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:22:31,259 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:22:31,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1273a4c-164a-4ef2-b79d-cb2f1dea4468/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound2.c [2023-11-23 20:22:34,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:22:35,125 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:22:35,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1273a4c-164a-4ef2-b79d-cb2f1dea4468/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound2.c [2023-11-23 20:22:35,135 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1273a4c-164a-4ef2-b79d-cb2f1dea4468/bin/ukojak-verify-1t5iHCbJaC/data/e7f161594/ac5cf58437694d468c569613fd8f665b/FLAG5150966eb [2023-11-23 20:22:35,152 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1273a4c-164a-4ef2-b79d-cb2f1dea4468/bin/ukojak-verify-1t5iHCbJaC/data/e7f161594/ac5cf58437694d468c569613fd8f665b [2023-11-23 20:22:35,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:22:35,163 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:22:35,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:35,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:22:35,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:22:35,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:35" (1/1) ... [2023-11-23 20:22:35,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797e4516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:35, skipping insertion in model container [2023-11-23 20:22:35,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:35" (1/1) ... [2023-11-23 20:22:35,196 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:22:35,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:35,381 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:22:35,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:35,413 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:22:35,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:35 WrapperNode [2023-11-23 20:22:35,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:35,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:35,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:22:35,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:22:35,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:35" (1/1) ... [2023-11-23 20:22:35,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:35" (1/1) ... [2023-11-23 20:22:35,466 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-23 20:22:35,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:35,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:22:35,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:22:35,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:22:35,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:35" (1/1) ... [2023-11-23 20:22:35,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:35" (1/1) ... [2023-11-23 20:22:35,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:35" (1/1) ... [2023-11-23 20:22:35,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:35" (1/1) ... [2023-11-23 20:22:35,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:35" (1/1) ... [2023-11-23 20:22:35,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:35" (1/1) ... [2023-11-23 20:22:35,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:35" (1/1) ... [2023-11-23 20:22:35,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:35" (1/1) ... [2023-11-23 20:22:35,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:22:35,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:22:35,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:22:35,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:22:35,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:35" (1/1) ... [2023-11-23 20:22:35,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:35,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1273a4c-164a-4ef2-b79d-cb2f1dea4468/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:22:35,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1273a4c-164a-4ef2-b79d-cb2f1dea4468/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:22:35,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1273a4c-164a-4ef2-b79d-cb2f1dea4468/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:22:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:22:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:22:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:22:35,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:22:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:22:35,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:22:35,651 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:22:35,653 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:22:35,917 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:22:35,973 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:22:35,974 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:22:35,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:35 BoogieIcfgContainer [2023-11-23 20:22:35,976 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:22:35,977 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:22:35,977 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:22:35,990 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:22:35,990 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:35" (1/1) ... [2023-11-23 20:22:36,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:22:36,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:36,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2023-11-23 20:22:36,070 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-11-23 20:22:36,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:22:36,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:36,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:36,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:22:36,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:36,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:36,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:36,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2023-11-23 20:22:36,333 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2023-11-23 20:22:36,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:22:36,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:36,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:36,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:36,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2023-11-23 20:22:36,529 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-23 20:22:36,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:22:36,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:36,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:36,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:36,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:36,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2023-11-23 20:22:36,768 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2023-11-23 20:22:36,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:22:36,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:36,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:36,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:36,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:36,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:36,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:36,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 53 states and 58 transitions. [2023-11-23 20:22:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2023-11-23 20:22:36,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:22:36,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:36,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:36,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:22:36,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:37,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:37,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:37,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2023-11-23 20:22:37,403 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2023-11-23 20:22:37,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:22:37,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:37,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:37,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:22:37,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:37,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:38,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:38,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 64 states and 76 transitions. [2023-11-23 20:22:38,179 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2023-11-23 20:22:38,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:22:38,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:38,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:38,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:38,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:38,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:39,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:39,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2023-11-23 20:22:39,231 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2023-11-23 20:22:39,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:22:39,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:39,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:39,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:39,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:39,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:40,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:40,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 79 states and 102 transitions. [2023-11-23 20:22:40,839 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2023-11-23 20:22:40,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:22:40,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:40,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:40,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:22:40,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:42,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:42,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 88 states and 118 transitions. [2023-11-23 20:22:42,843 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2023-11-23 20:22:42,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:22:42,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:42,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:42,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:22:42,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:42,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:45,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:45,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 98 states and 136 transitions. [2023-11-23 20:22:45,317 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2023-11-23 20:22:45,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:22:45,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:45,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:45,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:45,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:45,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:45,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:45,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 101 states and 142 transitions. [2023-11-23 20:22:45,935 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2023-11-23 20:22:45,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:22:45,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:45,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:45,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:45,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:46,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:46,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:46,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 103 states and 144 transitions. [2023-11-23 20:22:46,414 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2023-11-23 20:22:46,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:22:46,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:46,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:46,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:46,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:46,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:48,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:48,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 112 states and 163 transitions. [2023-11-23 20:22:48,371 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 163 transitions. [2023-11-23 20:22:48,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:22:48,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:48,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:48,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:22:48,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:48,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:50,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:50,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 119 states and 177 transitions. [2023-11-23 20:22:50,262 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 177 transitions. [2023-11-23 20:22:50,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:22:50,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:50,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:50,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:50,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:52,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 128 states and 196 transitions. [2023-11-23 20:22:52,785 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 196 transitions. [2023-11-23 20:22:52,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:22:52,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:52,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:52,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:22:52,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:54,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:54,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 135 states and 210 transitions. [2023-11-23 20:22:54,839 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 210 transitions. [2023-11-23 20:22:54,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:22:54,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:54,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:54,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:22:54,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:54,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:58,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:58,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 145 states and 230 transitions. [2023-11-23 20:22:58,412 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 230 transitions. [2023-11-23 20:22:58,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:22:58,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:58,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:58,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:22:58,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:59,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:59,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 147 states and 234 transitions. [2023-11-23 20:22:59,847 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 234 transitions. [2023-11-23 20:22:59,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:22:59,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:59,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:59,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:22:59,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:00,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:23:03,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:03,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 158 states and 263 transitions. [2023-11-23 20:23:03,249 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 263 transitions. [2023-11-23 20:23:03,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:23:03,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:03,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:03,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:03,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:03,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:23:04,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:04,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 162 states and 272 transitions. [2023-11-23 20:23:04,706 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 272 transitions. [2023-11-23 20:23:04,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:23:04,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:04,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:04,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:04,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:04,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:23:05,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:05,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 165 states and 277 transitions. [2023-11-23 20:23:05,533 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 277 transitions. [2023-11-23 20:23:05,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:23:05,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:05,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:05,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:05,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:05,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:23:08,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:08,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 182 states and 320 transitions. [2023-11-23 20:23:08,274 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 320 transitions. [2023-11-23 20:23:08,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:23:08,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:08,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:08,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:23:08,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:08,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:23:09,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:09,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 184 states and 323 transitions. [2023-11-23 20:23:09,005 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 323 transitions. [2023-11-23 20:23:09,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:23:09,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:09,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:09,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:23:09,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:23:12,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:12,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 202 states and 369 transitions. [2023-11-23 20:23:12,413 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 369 transitions. [2023-11-23 20:23:12,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:23:12,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:12,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:12,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:23:12,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:12,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:23:13,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:13,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 206 states and 379 transitions. [2023-11-23 20:23:13,464 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 379 transitions. [2023-11-23 20:23:13,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:23:13,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:13,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:13,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:23:13,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:13,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:23:14,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:14,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 207 states and 383 transitions. [2023-11-23 20:23:14,142 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 383 transitions. [2023-11-23 20:23:14,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:23:14,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:14,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:14,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:23:14,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:23:14,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:23:16,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:23:16,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 216 states and 406 transitions. [2023-11-23 20:23:16,836 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 406 transitions. [2023-11-23 20:23:16,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:23:16,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:23:16,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:23:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:23:16,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:23:16,867 INFO L285 TraceCheckSpWp]: Computing forward predicates...