./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31941840-7720-4952-8b1b-2f47c3f88f54/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31941840-7720-4952-8b1b-2f47c3f88f54/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_31941840-7720-4952-8b1b-2f47c3f88f54/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31941840-7720-4952-8b1b-2f47c3f88f54/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31941840-7720-4952-8b1b-2f47c3f88f54/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_31941840-7720-4952-8b1b-2f47c3f88f54/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 be4e75b70a907f4bb3fe11ead30460ebebe535afde280ea19731f48bb2dd2cd7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:09:20,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:09:20,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31941840-7720-4952-8b1b-2f47c3f88f54/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:09:20,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:09:20,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:09:20,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:09:20,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:09:20,492 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:09:20,493 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:09:20,493 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:09:20,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:09:20,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:09:20,496 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:09:20,496 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:09:20,497 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:09:20,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:09:20,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:09:20,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:09:20,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:09:20,500 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:09:20,501 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:09:20,501 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:09:20,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:09:20,502 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:09:20,503 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:09:20,504 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:09:20,504 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:09:20,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:09:20,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:20,506 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:09:20,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:09:20,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:09:20,507 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:09:20,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:09:20,508 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:09:20,509 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_31941840-7720-4952-8b1b-2f47c3f88f54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31941840-7720-4952-8b1b-2f47c3f88f54/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be4e75b70a907f4bb3fe11ead30460ebebe535afde280ea19731f48bb2dd2cd7 [2023-11-19 04:09:20,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:09:20,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:09:20,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:09:20,799 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:09:20,799 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:09:20,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31941840-7720-4952-8b1b-2f47c3f88f54/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c [2023-11-19 04:09:23,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:09:24,171 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:09:24,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31941840-7720-4952-8b1b-2f47c3f88f54/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c [2023-11-19 04:09:24,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31941840-7720-4952-8b1b-2f47c3f88f54/bin/ukojak-verify-G8NBE6pJGL/data/4472807d0/efb718471a16425f88aa85c554bcb239/FLAGd0bf9ffba [2023-11-19 04:09:24,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31941840-7720-4952-8b1b-2f47c3f88f54/bin/ukojak-verify-G8NBE6pJGL/data/4472807d0/efb718471a16425f88aa85c554bcb239 [2023-11-19 04:09:24,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:09:24,199 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:09:24,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:24,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:09:24,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:09:24,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:24" (1/1) ... [2023-11-19 04:09:24,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a6ad853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:24, skipping insertion in model container [2023-11-19 04:09:24,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:24" (1/1) ... [2023-11-19 04:09:24,231 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:09:24,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:24,479 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:09:24,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:24,530 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:09:24,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:24 WrapperNode [2023-11-19 04:09:24,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:24,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:24,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:09:24,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:09:24,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:24" (1/1) ... [2023-11-19 04:09:24,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:24" (1/1) ... [2023-11-19 04:09:24,596 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-19 04:09:24,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:24,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:09:24,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:09:24,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:09:24,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:24" (1/1) ... [2023-11-19 04:09:24,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:24" (1/1) ... [2023-11-19 04:09:24,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:24" (1/1) ... [2023-11-19 04:09:24,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:24" (1/1) ... [2023-11-19 04:09:24,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:24" (1/1) ... [2023-11-19 04:09:24,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:24" (1/1) ... [2023-11-19 04:09:24,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:24" (1/1) ... [2023-11-19 04:09:24,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:24" (1/1) ... [2023-11-19 04:09:24,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:09:24,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:09:24,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:09:24,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:09:24,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:24" (1/1) ... [2023-11-19 04:09:24,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:24,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31941840-7720-4952-8b1b-2f47c3f88f54/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:09:24,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31941840-7720-4952-8b1b-2f47c3f88f54/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:09:24,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31941840-7720-4952-8b1b-2f47c3f88f54/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:09:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:09:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:09:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:09:24,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:09:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:09:24,807 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:24,810 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:25,104 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:25,168 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:25,168 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:09:25,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:25 BoogieIcfgContainer [2023-11-19 04:09:25,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:09:25,174 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:09:25,174 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:09:25,197 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:09:25,198 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:25" (1/1) ... [2023-11-19 04:09:25,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:09:25,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:25,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2023-11-19 04:09:25,269 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-11-19 04:09:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:09:25,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:25,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:25,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:09:25,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:25,481 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 04:09:25,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:25,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2023-11-19 04:09:25,496 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2023-11-19 04:09:25,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:09:25,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:25,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:25,573 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 04:09:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:25,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2023-11-19 04:09:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-19 04:09:25,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:09:25,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:25,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:25,727 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 04:09:25,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:25,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2023-11-19 04:09:25,822 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2023-11-19 04:09:25,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:09:25,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:25,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:25,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:25,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:25,933 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 04:09:25,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:25,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 53 states and 58 transitions. [2023-11-19 04:09:25,963 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2023-11-19 04:09:25,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:09:25,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:25,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:26,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:26,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:26,113 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 04:09:26,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:26,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2023-11-19 04:09:26,474 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2023-11-19 04:09:26,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:09:26,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:26,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:26,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:26,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:26,576 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 04:09:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:27,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 64 states and 76 transitions. [2023-11-19 04:09:27,175 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2023-11-19 04:09:27,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:09:27,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:27,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:27,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:27,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:27,368 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 04:09:28,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:28,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2023-11-19 04:09:28,269 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2023-11-19 04:09:28,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:09:28,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:28,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:28,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:28,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:28,414 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 04:09:29,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:29,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 79 states and 102 transitions. [2023-11-19 04:09:29,838 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2023-11-19 04:09:29,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:09:29,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:29,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:29,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:09:29,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:29,974 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 04:09:31,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:31,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 88 states and 118 transitions. [2023-11-19 04:09:31,680 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2023-11-19 04:09:31,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:09:31,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:31,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:31,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:09:31,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:31,823 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 04:09:34,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:34,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 98 states and 136 transitions. [2023-11-19 04:09:34,127 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2023-11-19 04:09:34,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:09:34,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:34,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:34,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:34,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:34,267 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 04:09:34,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:34,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 101 states and 142 transitions. [2023-11-19 04:09:34,602 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2023-11-19 04:09:34,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:09:34,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:34,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:34,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:34,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:34,704 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 04:09:34,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:34,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 103 states and 144 transitions. [2023-11-19 04:09:34,956 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2023-11-19 04:09:34,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:09:34,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:34,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:34,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:34,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:35,066 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 04:09:36,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:36,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 112 states and 163 transitions. [2023-11-19 04:09:36,701 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 163 transitions. [2023-11-19 04:09:36,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:09:36,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:36,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:36,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:09:36,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:36,876 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 04:09:38,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:38,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 119 states and 177 transitions. [2023-11-19 04:09:38,514 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 177 transitions. [2023-11-19 04:09:38,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:09:38,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:38,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:38,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:38,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:38,614 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 04:09:40,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:40,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 128 states and 196 transitions. [2023-11-19 04:09:40,530 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 196 transitions. [2023-11-19 04:09:40,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:09:40,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:40,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:40,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:09:40,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:40,722 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 04:09:42,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:42,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 135 states and 210 transitions. [2023-11-19 04:09:42,278 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 210 transitions. [2023-11-19 04:09:42,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:09:42,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:42,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:42,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:42,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:42,423 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 04:09:45,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:45,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 145 states and 230 transitions. [2023-11-19 04:09:45,770 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 230 transitions. [2023-11-19 04:09:45,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:09:45,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:45,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:45,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:09:45,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:45,887 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 04:09:47,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:47,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 147 states and 234 transitions. [2023-11-19 04:09:47,015 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 234 transitions. [2023-11-19 04:09:47,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:09:47,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:47,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:47,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:09:47,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:47,190 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 04:09:50,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 158 states and 263 transitions. [2023-11-19 04:09:50,223 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 263 transitions. [2023-11-19 04:09:50,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:09:50,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:50,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:50,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:50,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:50,280 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 04:09:51,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:51,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 162 states and 272 transitions. [2023-11-19 04:09:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 272 transitions. [2023-11-19 04:09:51,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:09:51,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:51,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:51,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:51,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:51,374 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 04:09:52,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:52,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 165 states and 277 transitions. [2023-11-19 04:09:52,165 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 277 transitions. [2023-11-19 04:09:52,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:09:52,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:52,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:52,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:09:52,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:55,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:55,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 182 states and 328 transitions. [2023-11-19 04:09:55,595 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 328 transitions. [2023-11-19 04:09:55,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:09:55,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:55,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:55,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:55,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:55,652 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 04:09:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:56,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 184 states and 331 transitions. [2023-11-19 04:09:56,278 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 331 transitions. [2023-11-19 04:09:56,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:09:56,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:56,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:56,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:09:56,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:56,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:10:00,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:00,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 202 states and 377 transitions. [2023-11-19 04:10:00,085 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 377 transitions. [2023-11-19 04:10:00,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:10:00,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:00,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:00,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:10:00,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:00,259 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 04:10:01,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:01,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 206 states and 387 transitions. [2023-11-19 04:10:01,080 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 387 transitions. [2023-11-19 04:10:01,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:10:01,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:01,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:01,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:10:01,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:01,275 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 04:10:01,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:01,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 207 states and 392 transitions. [2023-11-19 04:10:01,678 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 392 transitions. [2023-11-19 04:10:01,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:10:01,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:01,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:01,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:10:01,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:01,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:10:04,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:04,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 216 states and 421 transitions. [2023-11-19 04:10:04,170 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 421 transitions. [2023-11-19 04:10:04,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:10:04,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:04,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:04,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:10:04,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:04,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:10:08,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:08,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 225 states and 458 transitions. [2023-11-19 04:10:08,608 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 458 transitions. [2023-11-19 04:10:08,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:10:08,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:08,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:08,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:10:08,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:08,825 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:10:10,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:10,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 229 states and 471 transitions. [2023-11-19 04:10:10,366 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 471 transitions. [2023-11-19 04:10:10,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:10:10,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:10,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:10,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:10:10,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:10,726 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:10:11,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:11,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 231 states and 474 transitions. [2023-11-19 04:10:11,790 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 474 transitions. [2023-11-19 04:10:11,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:10:11,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:11,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:11,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:10:11,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:13,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.