./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93495ed1-08c0-41bd-9c13-baef7082e5e0/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93495ed1-08c0-41bd-9c13-baef7082e5e0/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93495ed1-08c0-41bd-9c13-baef7082e5e0/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93495ed1-08c0-41bd-9c13-baef7082e5e0/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93495ed1-08c0-41bd-9c13-baef7082e5e0/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93495ed1-08c0-41bd-9c13-baef7082e5e0/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf6b5d6ce0125c606cfafa6fb4e25513c25265a3f4d4cd63094ae1ba72acdc4a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:07:35,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:07:35,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93495ed1-08c0-41bd-9c13-baef7082e5e0/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:07:35,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:07:35,159 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:07:35,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:07:35,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:07:35,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:07:35,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:07:35,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:07:35,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:07:35,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:07:35,209 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:07:35,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:07:35,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:07:35,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:07:35,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:07:35,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:07:35,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:07:35,213 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:07:35,214 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:07:35,214 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:07:35,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:07:35,215 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:07:35,216 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:07:35,217 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:07:35,217 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:07:35,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:07:35,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:35,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:07:35,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:07:35,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:07:35,221 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:07:35,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:07:35,221 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:07:35,221 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_93495ed1-08c0-41bd-9c13-baef7082e5e0/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93495ed1-08c0-41bd-9c13-baef7082e5e0/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf6b5d6ce0125c606cfafa6fb4e25513c25265a3f4d4cd63094ae1ba72acdc4a [2023-11-23 20:07:35,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:07:35,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:07:35,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:07:35,571 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:07:35,575 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:07:35,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93495ed1-08c0-41bd-9c13-baef7082e5e0/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound1.c [2023-11-23 20:07:38,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:07:38,969 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:07:38,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93495ed1-08c0-41bd-9c13-baef7082e5e0/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound1.c [2023-11-23 20:07:38,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93495ed1-08c0-41bd-9c13-baef7082e5e0/bin/ukojak-verify-1t5iHCbJaC/data/f2ed20da1/abd952d655554c5386e38eb8c1822887/FLAG9d9950d52 [2023-11-23 20:07:38,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93495ed1-08c0-41bd-9c13-baef7082e5e0/bin/ukojak-verify-1t5iHCbJaC/data/f2ed20da1/abd952d655554c5386e38eb8c1822887 [2023-11-23 20:07:39,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:07:39,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:07:39,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:39,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:07:39,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:07:39,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:38" (1/1) ... [2023-11-23 20:07:39,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a476537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39, skipping insertion in model container [2023-11-23 20:07:39,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:38" (1/1) ... [2023-11-23 20:07:39,042 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:07:39,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:39,244 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:07:39,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:39,279 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:07:39,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39 WrapperNode [2023-11-23 20:07:39,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:39,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:39,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:07:39,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:07:39,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,317 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-23 20:07:39,317 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:39,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:07:39,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:07:39,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:07:39,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:07:39,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:07:39,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:07:39,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:07:39,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:39,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93495ed1-08c0-41bd-9c13-baef7082e5e0/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:07:39,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93495ed1-08c0-41bd-9c13-baef7082e5e0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:07:39,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93495ed1-08c0-41bd-9c13-baef7082e5e0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:07:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:07:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:07:39,428 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:07:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:07:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:07:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:07:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:07:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:07:39,496 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:07:39,498 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:07:39,701 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:07:39,736 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:07:39,736 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:07:39,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:39 BoogieIcfgContainer [2023-11-23 20:07:39,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:07:39,741 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:07:39,742 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:07:39,753 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:07:39,753 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:07:39,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:39,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-23 20:07:39,820 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-23 20:07:39,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:07:39,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:39,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:39,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:07:39,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:40,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 56 transitions. [2023-11-23 20:07:40,409 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-23 20:07:40,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:07:40,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:40,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:40,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:07:40,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:40,646 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:40,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:40,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 61 transitions. [2023-11-23 20:07:40,812 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2023-11-23 20:07:40,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:07:40,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:40,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:40,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:40,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:41,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 68 transitions. [2023-11-23 20:07:41,292 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-11-23 20:07:41,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:07:41,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:41,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:41,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:41,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:41,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:41,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:41,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 77 transitions. [2023-11-23 20:07:41,902 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-23 20:07:41,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:07:41,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:41,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:41,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:07:41,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:42,161 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:07:42,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:42,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 88 transitions. [2023-11-23 20:07:42,893 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-11-23 20:07:42,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:07:42,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:42,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:42,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:07:42,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:43,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:07:44,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:44,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 76 states and 101 transitions. [2023-11-23 20:07:44,231 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2023-11-23 20:07:44,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:07:44,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:44,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:44,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:07:44,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:44,357 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:44,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:44,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 79 states and 106 transitions. [2023-11-23 20:07:44,586 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 106 transitions. [2023-11-23 20:07:44,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:07:44,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:44,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:44,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:07:44,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:44,668 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:44,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:44,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 78 states and 105 transitions. [2023-11-23 20:07:44,836 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2023-11-23 20:07:44,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:07:44,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:44,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:44,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:07:44,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:46,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:46,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 87 states and 123 transitions. [2023-11-23 20:07:46,556 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 123 transitions. [2023-11-23 20:07:46,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:07:46,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:46,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:46,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:46,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:46,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:46,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:46,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 88 states and 126 transitions. [2023-11-23 20:07:46,763 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 126 transitions. [2023-11-23 20:07:46,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:07:46,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:46,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:46,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:07:46,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:46,991 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:49,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:49,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 97 states and 143 transitions. [2023-11-23 20:07:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 143 transitions. [2023-11-23 20:07:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:07:49,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:49,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:49,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:49,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:49,288 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:49,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:49,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 99 states and 148 transitions. [2023-11-23 20:07:49,453 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 148 transitions. [2023-11-23 20:07:49,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:07:49,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:49,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:49,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:07:49,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:50,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:50,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 101 states and 152 transitions. [2023-11-23 20:07:50,657 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions. [2023-11-23 20:07:50,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:07:50,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:50,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:50,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:50,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:50,857 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:54,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 111 states and 172 transitions. [2023-11-23 20:07:54,187 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 172 transitions. [2023-11-23 20:07:54,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:07:54,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:54,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:54,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:54,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:54,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:57,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:58,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 194 transitions. [2023-11-23 20:07:58,000 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 194 transitions. [2023-11-23 20:07:58,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:07:58,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:58,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:58,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:58,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:58,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:58,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 126 states and 204 transitions. [2023-11-23 20:07:58,870 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 204 transitions. [2023-11-23 20:07:58,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:07:58,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:58,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:58,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:58,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:58,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:59,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:59,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 129 states and 209 transitions. [2023-11-23 20:07:59,599 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 209 transitions. [2023-11-23 20:07:59,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:07:59,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:59,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:59,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:59,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:59,662 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:08:00,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:00,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 131 states and 212 transitions. [2023-11-23 20:08:00,198 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 212 transitions. [2023-11-23 20:08:00,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:08:00,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:00,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:00,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:08:00,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:00,485 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:08:02,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:02,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 138 states and 224 transitions. [2023-11-23 20:08:02,275 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 224 transitions. [2023-11-23 20:08:02,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:08:02,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:02,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:02,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:08:02,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:02,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:08:02,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:02,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 139 states and 225 transitions. [2023-11-23 20:08:02,838 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 225 transitions. [2023-11-23 20:08:02,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:08:02,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:02,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:02,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:08:02,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:03,133 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:08:04,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:04,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 149 states and 243 transitions. [2023-11-23 20:08:04,926 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 243 transitions. [2023-11-23 20:08:04,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:08:04,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:04,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:04,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:08:04,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:05,183 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:08:05,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:05,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 150 states and 250 transitions. [2023-11-23 20:08:05,374 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 250 transitions. [2023-11-23 20:08:05,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:08:05,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:05,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:05,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:08:05,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:05,552 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:08:08,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:08,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 169 states and 279 transitions. [2023-11-23 20:08:08,345 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 279 transitions. [2023-11-23 20:08:08,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:08:08,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:08,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:08,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 20:08:08,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:09,196 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:08:13,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:13,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 189 states and 314 transitions. [2023-11-23 20:08:13,387 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 314 transitions. [2023-11-23 20:08:13,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:08:13,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:13,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:13,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:08:13,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:13,452 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:08:16,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:16,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 204 states and 341 transitions. [2023-11-23 20:08:16,287 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 341 transitions. [2023-11-23 20:08:16,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:08:16,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:16,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:16,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:08:16,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:16,353 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:08:16,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:16,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 206 states and 342 transitions. [2023-11-23 20:08:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 342 transitions. [2023-11-23 20:08:16,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:08:16,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:16,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:16,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:08:16,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:16,800 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:08:20,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:20,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 219 states and 367 transitions. [2023-11-23 20:08:20,378 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 367 transitions. [2023-11-23 20:08:20,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:08:20,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:20,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:20,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:08:20,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:20,448 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:08:20,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:20,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 220 states and 369 transitions. [2023-11-23 20:08:20,847 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 369 transitions. [2023-11-23 20:08:20,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:08:20,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:20,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:20,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:08:20,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:20,921 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:08:22,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:22,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 222 states and 373 transitions. [2023-11-23 20:08:22,365 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 373 transitions. [2023-11-23 20:08:22,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:08:22,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:22,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:22,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:08:22,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:22,426 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:08:23,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 224 states and 377 transitions. [2023-11-23 20:08:23,523 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 377 transitions. [2023-11-23 20:08:23,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:08:23,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:23,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:23,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:08:23,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 20:08:24,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:24,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 217 states and 361 transitions. [2023-11-23 20:08:24,211 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 361 transitions. [2023-11-23 20:08:24,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:08:24,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:24,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:24,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:08:24,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:24,585 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:08:29,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:29,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 234 states and 405 transitions. [2023-11-23 20:08:29,137 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 405 transitions. [2023-11-23 20:08:29,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:08:29,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:29,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:29,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:08:29,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:29,331 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:08:29,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:29,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 235 states and 416 transitions. [2023-11-23 20:08:29,739 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 416 transitions. [2023-11-23 20:08:29,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:08:29,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:29,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:29,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:08:29,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.