./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/transpose-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/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_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/transpose-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 44b06771d393671cf9550617b8bf478abc837489f84f20705c70efc1808f7508 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:32:29,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:32:29,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:32:29,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:32:29,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:32:29,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:32:29,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:32:29,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:32:29,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:32:29,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:32:29,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:32:29,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:32:29,621 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:32:29,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:32:29,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:32:29,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:32:29,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:32:29,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:32:29,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:32:29,626 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:32:29,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:32:29,627 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:32:29,627 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:32:29,628 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:32:29,628 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:32:29,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:32:29,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:29,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:32:29,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:32:29,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:32:29,631 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:32:29,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:32:29,632 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:32:29,633 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_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44b06771d393671cf9550617b8bf478abc837489f84f20705c70efc1808f7508 [2023-11-19 03:32:29,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:32:29,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:32:29,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:32:29,911 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:32:29,911 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:32:29,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-multidimensional/transpose-u.c [2023-11-19 03:32:33,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:32:33,268 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:32:33,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/sv-benchmarks/c/array-multidimensional/transpose-u.c [2023-11-19 03:32:33,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/bin/ukojak-verify-G8NBE6pJGL/data/5d9c299c5/0d7942cda5f249aab6028a7534c43b8a/FLAG66d4b0abb [2023-11-19 03:32:33,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/bin/ukojak-verify-G8NBE6pJGL/data/5d9c299c5/0d7942cda5f249aab6028a7534c43b8a [2023-11-19 03:32:33,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:32:33,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:32:33,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:33,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:32:33,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:32:33,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:33" (1/1) ... [2023-11-19 03:32:33,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb6cc68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:33, skipping insertion in model container [2023-11-19 03:32:33,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:33" (1/1) ... [2023-11-19 03:32:33,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:32:33,495 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/sv-benchmarks/c/array-multidimensional/transpose-u.c[315,328] [2023-11-19 03:32:33,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:33,525 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:32:33,541 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/sv-benchmarks/c/array-multidimensional/transpose-u.c[315,328] [2023-11-19 03:32:33,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:33,583 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:32:33,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:33 WrapperNode [2023-11-19 03:32:33,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:33,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:33,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:32:33,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:32:33,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:33" (1/1) ... [2023-11-19 03:32:33,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:33" (1/1) ... [2023-11-19 03:32:33,643 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2023-11-19 03:32:33,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:33,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:32:33,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:32:33,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:32:33,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:33" (1/1) ... [2023-11-19 03:32:33,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:33" (1/1) ... [2023-11-19 03:32:33,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:33" (1/1) ... [2023-11-19 03:32:33,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:33" (1/1) ... [2023-11-19 03:32:33,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:33" (1/1) ... [2023-11-19 03:32:33,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:33" (1/1) ... [2023-11-19 03:32:33,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:33" (1/1) ... [2023-11-19 03:32:33,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:33" (1/1) ... [2023-11-19 03:32:33,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:32:33,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:32:33,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:32:33,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:32:33,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:33" (1/1) ... [2023-11-19 03:32:33,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:33,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:32:33,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:32:33,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d16eb35-7edb-4283-bf0a-ecaf8a4205f4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:32:33,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:32:33,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:32:33,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:32:33,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:32:33,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:32:33,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:32:33,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:32:33,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:32:33,857 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:32:33,860 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:32:34,043 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:32:34,103 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:32:34,103 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:32:34,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:34 BoogieIcfgContainer [2023-11-19 03:32:34,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:32:34,108 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:32:34,109 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:32:34,125 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:32:34,125 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:34" (1/1) ... [2023-11-19 03:32:34,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:32:34,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:34,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-19 03:32:34,188 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-19 03:32:34,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:32:34,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:34,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:34,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:32:34,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:34,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:34,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:34,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2023-11-19 03:32:34,563 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2023-11-19 03:32:34,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:32:34,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:34,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:34,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:32:34,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:34,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:34,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:34,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2023-11-19 03:32:34,755 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2023-11-19 03:32:34,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:32:34,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:34,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:34,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:32:34,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:34,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2023-11-19 03:32:34,957 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2023-11-19 03:32:34,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:32:34,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:34,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:34,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:32:35,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:35,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:35,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:35,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2023-11-19 03:32:35,117 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2023-11-19 03:32:35,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:32:35,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:35,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:35,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:32:35,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:35,205 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:35,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:35,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2023-11-19 03:32:35,279 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2023-11-19 03:32:35,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:32:35,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:35,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:35,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:32:35,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:35,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:35,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2023-11-19 03:32:35,457 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2023-11-19 03:32:35,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:32:35,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:35,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:35,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:32:35,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:35,585 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:35,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2023-11-19 03:32:35,668 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2023-11-19 03:32:35,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:32:35,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:35,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:35,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:32:35,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:35,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:35,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-19 03:32:35,867 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-19 03:32:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:32:35,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:35,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:35,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:32:35,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:36,009 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:36,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:36,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-19 03:32:36,107 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-19 03:32:36,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:32:36,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:36,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:36,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:32:36,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:36,261 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:36,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:36,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-19 03:32:36,364 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-19 03:32:36,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:32:36,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:36,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:36,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:32:36,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:36,512 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:36,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:36,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-19 03:32:36,615 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-19 03:32:36,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:32:36,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:36,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:36,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:32:36,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:36,751 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:36,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:36,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2023-11-19 03:32:36,857 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-11-19 03:32:36,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:32:36,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:36,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:36,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:32:36,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:36,996 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 1 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:37,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-11-19 03:32:37,105 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-11-19 03:32:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:32:37,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:37,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:37,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:32:37,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:37,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:37,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2023-11-19 03:32:37,409 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2023-11-19 03:32:37,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:32:37,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:37,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:37,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:32:37,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:37,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:37,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2023-11-19 03:32:37,718 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2023-11-19 03:32:37,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:32:37,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:37,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:37,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:32:37,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:37,915 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:38,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:38,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-11-19 03:32:38,070 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-11-19 03:32:38,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:32:38,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:38,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:38,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:32:38,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 1 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:38,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:38,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2023-11-19 03:32:38,395 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-11-19 03:32:38,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:32:38,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:38,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:38,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:32:38,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:38,580 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 1 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:38,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:38,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2023-11-19 03:32:38,751 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2023-11-19 03:32:38,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:32:38,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:38,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:38,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:32:38,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:38,948 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 1 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:39,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:39,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2023-11-19 03:32:39,105 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2023-11-19 03:32:39,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:32:39,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:39,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:39,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:32:39,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:39,310 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 1 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:39,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:39,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2023-11-19 03:32:39,449 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2023-11-19 03:32:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:32:39,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:39,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:39,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:32:39,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 1 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:39,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:39,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2023-11-19 03:32:39,826 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2023-11-19 03:32:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:32:39,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:39,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:39,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:32:39,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:40,037 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 1 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:40,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:40,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2023-11-19 03:32:40,198 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2023-11-19 03:32:40,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:32:40,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:40,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:40,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:32:40,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:40,427 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 1 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:40,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:40,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2023-11-19 03:32:40,596 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2023-11-19 03:32:40,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:32:40,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:40,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:40,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:32:40,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:40,842 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 1 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:41,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:41,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2023-11-19 03:32:41,026 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2023-11-19 03:32:41,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:32:41,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:41,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:41,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:32:41,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:41,262 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:41,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:41,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2023-11-19 03:32:41,437 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-11-19 03:32:41,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:32:41,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:41,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:41,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:32:41,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:41,682 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 1 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:41,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:41,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2023-11-19 03:32:41,852 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-11-19 03:32:41,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:32:41,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:41,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:41,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:32:41,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:42,166 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 1 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:42,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:42,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2023-11-19 03:32:42,345 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-19 03:32:42,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:32:42,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:42,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:42,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:32:42,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:42,634 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 1 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:42,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:42,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2023-11-19 03:32:42,811 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-19 03:32:42,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:32:42,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:42,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:42,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 03:32:42,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:43,076 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 1 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:43,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:43,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2023-11-19 03:32:43,248 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2023-11-19 03:32:43,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:32:43,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:43,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:43,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:32:43,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:43,530 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 1 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:43,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:43,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2023-11-19 03:32:43,726 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2023-11-19 03:32:43,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:32:43,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:43,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:43,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 03:32:43,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:44,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:44,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2023-11-19 03:32:44,193 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2023-11-19 03:32:44,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:32:44,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:44,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:44,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:32:44,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:44,466 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 1 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:44,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:44,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2023-11-19 03:32:44,682 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2023-11-19 03:32:44,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:32:44,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:44,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:44,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 03:32:44,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:44,957 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 1 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:45,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2023-11-19 03:32:45,147 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2023-11-19 03:32:45,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:32:45,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:45,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:45,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:32:45,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:45,439 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 1 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:45,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:45,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2023-11-19 03:32:45,629 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2023-11-19 03:32:45,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:32:45,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:45,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:45,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 03:32:45,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:45,997 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 1 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:46,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:46,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2023-11-19 03:32:46,205 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-19 03:32:46,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:32:46,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:46,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:46,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 03:32:46,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:46,548 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 1 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:46,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2023-11-19 03:32:46,754 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2023-11-19 03:32:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:32:46,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:46,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:46,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 03:32:46,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 1 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:47,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:47,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 49 states and 57 transitions. [2023-11-19 03:32:47,384 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2023-11-19 03:32:47,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:32:47,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:47,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:47,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 03:32:47,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:47,718 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 1 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:47,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:47,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 50 states and 58 transitions. [2023-11-19 03:32:47,942 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2023-11-19 03:32:47,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:32:47,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:47,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:48,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 03:32:48,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:48,290 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 1 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:48,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:48,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 51 states and 59 transitions. [2023-11-19 03:32:48,522 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2023-11-19 03:32:48,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:32:48,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:48,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:48,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 03:32:48,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:48,910 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 1 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:49,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:49,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 52 states and 60 transitions. [2023-11-19 03:32:49,141 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2023-11-19 03:32:49,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:32:49,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:49,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:49,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 03:32:49,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:49,483 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 1 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:49,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:49,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 53 states and 61 transitions. [2023-11-19 03:32:49,702 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2023-11-19 03:32:49,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:32:49,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:49,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:49,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 03:32:49,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:50,092 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 1 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:50,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:50,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 54 states and 62 transitions. [2023-11-19 03:32:50,331 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2023-11-19 03:32:50,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:32:50,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:50,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:50,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 03:32:50,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:50,696 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 1 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:50,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:50,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 55 states and 63 transitions. [2023-11-19 03:32:50,922 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2023-11-19 03:32:50,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:32:50,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:50,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:51,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 03:32:51,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 1 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:51,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:51,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 56 states and 64 transitions. [2023-11-19 03:32:51,535 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2023-11-19 03:32:51,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:32:51,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:51,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:51,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-19 03:32:51,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:51,937 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 1 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:52,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:52,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 57 states and 65 transitions. [2023-11-19 03:32:52,168 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 65 transitions. [2023-11-19 03:32:52,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:32:52,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:52,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:52,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 03:32:52,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:52,558 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 1 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:52,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:52,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2023-11-19 03:32:52,801 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2023-11-19 03:32:52,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:32:52,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:52,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:52,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 03:32:52,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:53,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 1 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:53,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:53,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 59 states and 67 transitions. [2023-11-19 03:32:53,482 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2023-11-19 03:32:53,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:32:53,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:53,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:53,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-19 03:32:53,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:53,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 1 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:54,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:54,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2023-11-19 03:32:54,102 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2023-11-19 03:32:54,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:32:54,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:54,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:54,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-19 03:32:54,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:54,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 1 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:54,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:54,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2023-11-19 03:32:54,811 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2023-11-19 03:32:54,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:32:54,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:54,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:54,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-19 03:32:54,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:55,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 1 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:55,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:55,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2023-11-19 03:32:55,463 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2023-11-19 03:32:55,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:32:55,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:55,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:55,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-19 03:32:55,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 1 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:56,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:56,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2023-11-19 03:32:56,132 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2023-11-19 03:32:56,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:32:56,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:56,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:56,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-19 03:32:56,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:56,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 1 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:56,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:56,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2023-11-19 03:32:56,986 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2023-11-19 03:32:56,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:32:56,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:56,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:57,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-19 03:32:57,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:57,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 1 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:57,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:57,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-19 03:32:57,724 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-19 03:32:57,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:32:57,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:57,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:57,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 03:32:57,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:58,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 1 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:58,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:58,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2023-11-19 03:32:58,493 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2023-11-19 03:32:58,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:32:58,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:58,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:58,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-19 03:32:58,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:58,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 1 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:32:59,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:59,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2023-11-19 03:32:59,248 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2023-11-19 03:32:59,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:32:59,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:59,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:32:59,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-19 03:32:59,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:32:59,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 1 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:00,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2023-11-19 03:33:00,092 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2023-11-19 03:33:00,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:33:00,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:00,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:00,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-19 03:33:00,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:00,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 1 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:00,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:00,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2023-11-19 03:33:00,853 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2023-11-19 03:33:00,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:33:00,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:00,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:01,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-19 03:33:01,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:01,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 1 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:01,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2023-11-19 03:33:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2023-11-19 03:33:01,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:33:01,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:01,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:01,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-19 03:33:01,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:02,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 1 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:02,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:02,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2023-11-19 03:33:02,426 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2023-11-19 03:33:02,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:33:02,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:02,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:02,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-19 03:33:02,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:02,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 1 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:03,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:03,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2023-11-19 03:33:03,169 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2023-11-19 03:33:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:33:03,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:03,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:03,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-19 03:33:03,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:03,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:03,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2023-11-19 03:33:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2023-11-19 03:33:03,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:33:03,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:03,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:04,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-19 03:33:04,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:04,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 1 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:04,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:04,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2023-11-19 03:33:04,700 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2023-11-19 03:33:04,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 03:33:04,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:04,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:04,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 64 conjunts are in the unsatisfiable core [2023-11-19 03:33:04,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:05,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 1 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:05,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:05,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2023-11-19 03:33:05,633 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2023-11-19 03:33:05,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 03:33:05,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:05,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:05,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-19 03:33:05,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:06,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1954 backedges. 1 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:06,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2023-11-19 03:33:06,540 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2023-11-19 03:33:06,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 03:33:06,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:06,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:06,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-19 03:33:06,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:07,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2017 backedges. 1 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:07,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2023-11-19 03:33:07,460 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2023-11-19 03:33:07,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:33:07,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:07,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:07,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-19 03:33:07,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:08,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 1 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:08,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:08,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 78 states and 86 transitions. [2023-11-19 03:33:08,357 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2023-11-19 03:33:08,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:33:08,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:08,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:08,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-19 03:33:08,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:08,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:09,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:09,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2023-11-19 03:33:09,218 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2023-11-19 03:33:09,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:33:09,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:09,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:09,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-19 03:33:09,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:09,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 1 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:10,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:10,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2023-11-19 03:33:10,156 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2023-11-19 03:33:10,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:33:10,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:10,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:10,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-19 03:33:10,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:10,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2279 backedges. 1 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:10,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:10,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 81 states and 89 transitions. [2023-11-19 03:33:10,999 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2023-11-19 03:33:10,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 03:33:10,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:10,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:11,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-19 03:33:11,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2347 backedges. 1 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:11,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:11,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 82 states and 90 transitions. [2023-11-19 03:33:11,835 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2023-11-19 03:33:11,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 03:33:11,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:11,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:12,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-19 03:33:12,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 1 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:12,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:12,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2023-11-19 03:33:12,745 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2023-11-19 03:33:12,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 03:33:12,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:12,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:12,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-19 03:33:12,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:13,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2486 backedges. 1 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:13,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:13,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 84 states and 92 transitions. [2023-11-19 03:33:13,659 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2023-11-19 03:33:13,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 03:33:13,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:13,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:13,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-19 03:33:13,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:14,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2557 backedges. 1 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:14,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:14,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 85 states and 93 transitions. [2023-11-19 03:33:14,668 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2023-11-19 03:33:14,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-19 03:33:14,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:14,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:14,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 75 conjunts are in the unsatisfiable core [2023-11-19 03:33:14,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:15,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2629 backedges. 1 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:15,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 86 states and 94 transitions. [2023-11-19 03:33:15,591 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2023-11-19 03:33:15,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 03:33:15,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:15,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:15,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 76 conjunts are in the unsatisfiable core [2023-11-19 03:33:15,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:16,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2702 backedges. 1 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:16,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:16,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions. [2023-11-19 03:33:16,512 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2023-11-19 03:33:16,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 03:33:16,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:16,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:16,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 77 conjunts are in the unsatisfiable core [2023-11-19 03:33:16,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:17,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2776 backedges. 1 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:17,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:17,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 88 states and 96 transitions. [2023-11-19 03:33:17,532 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2023-11-19 03:33:17,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 03:33:17,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:17,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:17,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 78 conjunts are in the unsatisfiable core [2023-11-19 03:33:17,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:18,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2851 backedges. 1 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:18,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:18,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 89 states and 97 transitions. [2023-11-19 03:33:18,439 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2023-11-19 03:33:18,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 03:33:18,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:18,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:18,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-19 03:33:18,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2927 backedges. 1 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:19,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:19,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 90 states and 98 transitions. [2023-11-19 03:33:19,418 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 98 transitions. [2023-11-19 03:33:19,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 03:33:19,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:19,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:19,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-19 03:33:19,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:20,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3004 backedges. 1 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:20,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:20,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 91 states and 99 transitions. [2023-11-19 03:33:20,424 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2023-11-19 03:33:20,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 03:33:20,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:20,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:20,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 81 conjunts are in the unsatisfiable core [2023-11-19 03:33:20,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:21,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3082 backedges. 1 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:21,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:21,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 92 states and 100 transitions. [2023-11-19 03:33:21,421 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 100 transitions. [2023-11-19 03:33:21,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-19 03:33:21,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:21,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:21,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 82 conjunts are in the unsatisfiable core [2023-11-19 03:33:21,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:22,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3161 backedges. 1 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:22,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:22,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 93 states and 101 transitions. [2023-11-19 03:33:22,556 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 101 transitions. [2023-11-19 03:33:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 03:33:22,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:22,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:22,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 83 conjunts are in the unsatisfiable core [2023-11-19 03:33:22,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:23,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3241 backedges. 1 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 94 states and 102 transitions. [2023-11-19 03:33:23,556 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 102 transitions. [2023-11-19 03:33:23,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 03:33:23,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:23,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms