./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28533a32-4c5d-4809-8bfb-ebef032f6ca1/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28533a32-4c5d-4809-8bfb-ebef032f6ca1/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_28533a32-4c5d-4809-8bfb-ebef032f6ca1/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28533a32-4c5d-4809-8bfb-ebef032f6ca1/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28533a32-4c5d-4809-8bfb-ebef032f6ca1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28533a32-4c5d-4809-8bfb-ebef032f6ca1/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aad83614f5b3454ec30b386336992d9fee88422d967149e7e88efe6256830f00 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:48:04,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:48:04,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28533a32-4c5d-4809-8bfb-ebef032f6ca1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:48:04,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:48:04,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:48:04,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:48:04,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:48:04,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:48:04,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:48:04,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:48:04,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:48:04,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:48:04,654 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:48:04,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:48:04,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:48:04,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:48:04,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:48:04,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:48:04,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:48:04,657 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:48:04,658 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:48:04,659 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:48:04,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:48:04,660 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:48:04,660 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:48:04,660 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:48:04,661 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:48:04,661 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:48:04,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:04,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:48:04,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:48:04,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:48:04,664 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:48:04,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:48:04,664 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:48:04,665 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_28533a32-4c5d-4809-8bfb-ebef032f6ca1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28533a32-4c5d-4809-8bfb-ebef032f6ca1/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad83614f5b3454ec30b386336992d9fee88422d967149e7e88efe6256830f00 [2023-11-19 02:48:04,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:48:04,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:48:04,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:48:04,958 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:48:04,958 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:48:04,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28533a32-4c5d-4809-8bfb-ebef032f6ca1/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c [2023-11-19 02:48:08,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:48:08,293 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:48:08,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28533a32-4c5d-4809-8bfb-ebef032f6ca1/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c [2023-11-19 02:48:08,301 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28533a32-4c5d-4809-8bfb-ebef032f6ca1/bin/ukojak-verify-G8NBE6pJGL/data/25fd88bf8/cfc1247f4007418ca70f74a0d630b46e/FLAG4fe483043 [2023-11-19 02:48:08,316 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28533a32-4c5d-4809-8bfb-ebef032f6ca1/bin/ukojak-verify-G8NBE6pJGL/data/25fd88bf8/cfc1247f4007418ca70f74a0d630b46e [2023-11-19 02:48:08,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:48:08,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:48:08,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:08,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:48:08,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:48:08,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:08" (1/1) ... [2023-11-19 02:48:08,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5161041b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:08, skipping insertion in model container [2023-11-19 02:48:08,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:08" (1/1) ... [2023-11-19 02:48:08,350 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:48:08,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:08,547 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:48:08,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:08,591 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:48:08,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:08 WrapperNode [2023-11-19 02:48:08,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:08,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:08,593 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:48:08,593 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:48:08,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:08" (1/1) ... [2023-11-19 02:48:08,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:08" (1/1) ... [2023-11-19 02:48:08,634 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-11-19 02:48:08,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:08,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:48:08,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:48:08,636 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:48:08,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:08" (1/1) ... [2023-11-19 02:48:08,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:08" (1/1) ... [2023-11-19 02:48:08,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:08" (1/1) ... [2023-11-19 02:48:08,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:08" (1/1) ... [2023-11-19 02:48:08,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:08" (1/1) ... [2023-11-19 02:48:08,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:08" (1/1) ... [2023-11-19 02:48:08,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:08" (1/1) ... [2023-11-19 02:48:08,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:08" (1/1) ... [2023-11-19 02:48:08,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:48:08,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:48:08,667 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:48:08,667 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:48:08,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:08" (1/1) ... [2023-11-19 02:48:08,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:08,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28533a32-4c5d-4809-8bfb-ebef032f6ca1/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:48:08,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28533a32-4c5d-4809-8bfb-ebef032f6ca1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:48:08,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28533a32-4c5d-4809-8bfb-ebef032f6ca1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:48:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:48:08,756 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:48:08,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:48:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:48:08,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:48:08,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:48:08,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:48:08,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:48:08,827 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:48:08,829 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:48:09,085 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:48:09,132 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:48:09,132 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:48:09,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:09 BoogieIcfgContainer [2023-11-19 02:48:09,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:48:09,138 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:48:09,138 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:48:09,151 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:48:09,152 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:09" (1/1) ... [2023-11-19 02:48:09,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:48:09,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:09,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2023-11-19 02:48:09,231 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2023-11-19 02:48:09,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:48:09,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:09,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:09,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:48:09,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:09,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:09,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:09,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 60 states and 64 transitions. [2023-11-19 02:48:09,501 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2023-11-19 02:48:09,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:48:09,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:09,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:09,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:09,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:09,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 62 states and 68 transitions. [2023-11-19 02:48:09,672 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2023-11-19 02:48:09,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:48:09,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:09,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:09,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:09,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:09,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 63 states and 69 transitions. [2023-11-19 02:48:09,811 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2023-11-19 02:48:09,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:48:09,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:09,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:09,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:09,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:09,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:10,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:10,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 64 states and 71 transitions. [2023-11-19 02:48:10,032 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2023-11-19 02:48:10,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:48:10,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:10,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:10,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:10,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:10,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:10,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:10,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 69 states and 80 transitions. [2023-11-19 02:48:10,387 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2023-11-19 02:48:10,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:48:10,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:10,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:10,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:10,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:10,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:10,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:10,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 70 states and 81 transitions. [2023-11-19 02:48:10,494 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2023-11-19 02:48:10,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:48:10,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:10,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:10,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:10,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:10,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:11,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:11,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 77 states and 93 transitions. [2023-11-19 02:48:11,065 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2023-11-19 02:48:11,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:48:11,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:11,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:11,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:11,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:11,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:11,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:11,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 85 states and 107 transitions. [2023-11-19 02:48:11,926 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 107 transitions. [2023-11-19 02:48:11,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:48:11,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:11,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:11,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:48:11,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:12,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:13,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:13,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 94 states and 121 transitions. [2023-11-19 02:48:13,346 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2023-11-19 02:48:13,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:48:13,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:13,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:13,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:48:13,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:13,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:14,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:14,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 101 states and 131 transitions. [2023-11-19 02:48:14,722 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 131 transitions. [2023-11-19 02:48:14,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:48:14,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:14,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:14,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:14,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:14,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:14,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:14,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 104 states and 137 transitions. [2023-11-19 02:48:14,928 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 137 transitions. [2023-11-19 02:48:14,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:48:14,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:14,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:14,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:14,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:14,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:15,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 108 states and 145 transitions. [2023-11-19 02:48:15,257 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 145 transitions. [2023-11-19 02:48:15,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:48:15,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:15,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:15,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:15,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:15,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 112 states and 153 transitions. [2023-11-19 02:48:15,667 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 153 transitions. [2023-11-19 02:48:15,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:48:15,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:15,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:15,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:15,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:15,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:15,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 116 states and 162 transitions. [2023-11-19 02:48:15,962 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 162 transitions. [2023-11-19 02:48:15,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:48:15,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:15,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:15,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:15,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:16,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:16,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:16,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 119 states and 166 transitions. [2023-11-19 02:48:16,534 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 166 transitions. [2023-11-19 02:48:16,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:48:16,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:16,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:16,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:16,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:16,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:17,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:17,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 123 states and 171 transitions. [2023-11-19 02:48:17,248 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 171 transitions. [2023-11-19 02:48:17,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:48:17,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:17,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:17,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:17,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:17,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:17,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 122 states and 170 transitions. [2023-11-19 02:48:17,507 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 170 transitions. [2023-11-19 02:48:17,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:48:17,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:17,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:17,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:17,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:17,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:19,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:19,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 128 states and 184 transitions. [2023-11-19 02:48:19,084 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 184 transitions. [2023-11-19 02:48:19,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:48:19,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:19,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:19,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:19,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:19,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:19,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:19,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 130 states and 186 transitions. [2023-11-19 02:48:19,644 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 186 transitions. [2023-11-19 02:48:19,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:48:19,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:19,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:19,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:19,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:19,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:20,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:20,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 137 states and 198 transitions. [2023-11-19 02:48:20,530 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2023-11-19 02:48:20,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:48:20,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:20,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:20,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:48:20,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:20,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:48:23,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:23,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 155 states and 226 transitions. [2023-11-19 02:48:23,768 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 226 transitions. [2023-11-19 02:48:23,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:48:23,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:23,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:23,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:48:23,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:23,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:48:24,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:24,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 158 states and 231 transitions. [2023-11-19 02:48:24,356 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 231 transitions. [2023-11-19 02:48:24,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:48:24,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:24,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:24,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:24,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:24,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:25,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:25,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 164 states and 246 transitions. [2023-11-19 02:48:25,881 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 246 transitions. [2023-11-19 02:48:25,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:48:25,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:25,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:25,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:25,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:25,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:26,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:26,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 168 states and 256 transitions. [2023-11-19 02:48:26,460 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 256 transitions. [2023-11-19 02:48:26,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:48:26,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:26,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:26,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:48:26,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:26,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:29,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:29,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 188 states and 304 transitions. [2023-11-19 02:48:29,285 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 304 transitions. [2023-11-19 02:48:29,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:48:29,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:29,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:29,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:48:29,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:29,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:29,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:29,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 192 states and 310 transitions. [2023-11-19 02:48:29,918 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 310 transitions. [2023-11-19 02:48:29,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:48:29,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:29,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:29,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:48:29,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:30,145 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:33,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 212 states and 357 transitions. [2023-11-19 02:48:33,244 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 357 transitions. [2023-11-19 02:48:33,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:48:33,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:33,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:33,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:48:33,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:33,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:35,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:35,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 219 states and 371 transitions. [2023-11-19 02:48:35,710 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 371 transitions. [2023-11-19 02:48:35,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:48:35,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:35,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:35,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:35,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:35,772 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:38,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:38,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 228 states and 388 transitions. [2023-11-19 02:48:38,451 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 388 transitions. [2023-11-19 02:48:38,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:48:38,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:38,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:38,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:38,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:38,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:39,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:39,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 232 states and 397 transitions. [2023-11-19 02:48:39,979 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 397 transitions. [2023-11-19 02:48:39,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:48:39,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:39,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:40,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:48:40,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:40,053 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:41,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:41,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 237 states and 404 transitions. [2023-11-19 02:48:41,506 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 404 transitions. [2023-11-19 02:48:41,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:48:41,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:41,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:41,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:48:41,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:42,143 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:47,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:47,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 256 states and 436 transitions. [2023-11-19 02:48:47,727 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 436 transitions. [2023-11-19 02:48:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:48:47,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:47,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:47,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:47,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:53,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:53,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 266 states and 457 transitions. [2023-11-19 02:48:53,725 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 457 transitions. [2023-11-19 02:48:53,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:48:53,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:53,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:53,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:53,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:53,794 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:55,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:55,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 269 states and 463 transitions. [2023-11-19 02:48:55,063 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 463 transitions. [2023-11-19 02:48:55,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:48:55,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:55,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:55,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:55,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:55,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:55,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:55,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 270 states and 465 transitions. [2023-11-19 02:48:55,833 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 465 transitions. [2023-11-19 02:48:55,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:48:55,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:55,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:55,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:48:55,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:58,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:58,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 272 states and 469 transitions. [2023-11-19 02:48:58,046 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 469 transitions. [2023-11-19 02:48:58,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:48:58,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:58,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:58,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:48:58,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:58,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:58,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:58,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 273 states and 479 transitions. [2023-11-19 02:48:58,630 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 479 transitions. [2023-11-19 02:48:58,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:48:58,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:58,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:58,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:48:58,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:58,900 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.