./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/egcd3-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eee7470-3fcc-44d1-a346-3e40f9c84e56/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eee7470-3fcc-44d1-a346-3e40f9c84e56/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_2eee7470-3fcc-44d1-a346-3e40f9c84e56/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eee7470-3fcc-44d1-a346-3e40f9c84e56/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eee7470-3fcc-44d1-a346-3e40f9c84e56/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_2eee7470-3fcc-44d1-a346-3e40f9c84e56/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 4ef08007570a64191e0df13d14d3e8d62a8022f43f46779ea6f6701a621376be --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:01:27,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:01:27,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eee7470-3fcc-44d1-a346-3e40f9c84e56/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:01:27,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:01:27,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:01:27,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:01:27,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:01:27,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:01:27,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:01:27,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:01:27,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:01:27,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:01:27,330 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:01:27,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:01:27,331 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:01:27,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:01:27,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:01:27,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:01:27,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:01:27,334 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:01:27,334 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:01:27,342 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:01:27,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:01:27,343 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:01:27,344 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:01:27,345 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:01:27,345 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:01:27,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:01:27,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:01:27,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:01:27,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:01:27,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:01:27,350 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:01:27,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:01:27,351 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:01:27,351 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_2eee7470-3fcc-44d1-a346-3e40f9c84e56/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eee7470-3fcc-44d1-a346-3e40f9c84e56/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef08007570a64191e0df13d14d3e8d62a8022f43f46779ea6f6701a621376be [2023-11-23 20:01:27,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:01:27,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:01:27,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:01:27,659 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:01:27,660 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:01:27,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eee7470-3fcc-44d1-a346-3e40f9c84e56/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/egcd3-ll.c [2023-11-23 20:01:31,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:01:31,477 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:01:31,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eee7470-3fcc-44d1-a346-3e40f9c84e56/sv-benchmarks/c/nla-digbench/egcd3-ll.c [2023-11-23 20:01:31,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eee7470-3fcc-44d1-a346-3e40f9c84e56/bin/ukojak-verify-1t5iHCbJaC/data/167f9d57a/0763731bc81846dbb54068be8efe2f07/FLAGfecf71612 [2023-11-23 20:01:31,514 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eee7470-3fcc-44d1-a346-3e40f9c84e56/bin/ukojak-verify-1t5iHCbJaC/data/167f9d57a/0763731bc81846dbb54068be8efe2f07 [2023-11-23 20:01:31,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:01:31,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:01:31,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:01:31,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:01:31,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:01:31,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fee330d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31, skipping insertion in model container [2023-11-23 20:01:31,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,576 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:01:31,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:01:31,833 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:01:31,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:01:31,877 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:01:31,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31 WrapperNode [2023-11-23 20:01:31,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:01:31,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:01:31,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:01:31,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:01:31,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,955 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 137 [2023-11-23 20:01:31,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:01:31,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:01:31,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:01:31,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:01:31,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:31,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:01:32,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:01:32,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:01:32,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:01:32,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:31" (1/1) ... [2023-11-23 20:01:32,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:01:32,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eee7470-3fcc-44d1-a346-3e40f9c84e56/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:01:32,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eee7470-3fcc-44d1-a346-3e40f9c84e56/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:01:32,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eee7470-3fcc-44d1-a346-3e40f9c84e56/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:01:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:01:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:01:32,100 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:01:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:01:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:01:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:01:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:01:32,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:01:32,185 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:01:32,187 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:01:32,731 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:01:32,796 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:01:32,802 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:01:32,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:01:32 BoogieIcfgContainer [2023-11-23 20:01:32,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:01:32,805 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:01:32,805 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:01:32,837 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:01:32,837 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:01:32" (1/1) ... [2023-11-23 20:01:32,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:01:32,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:32,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 122 states and 132 transitions. [2023-11-23 20:01:32,900 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 132 transitions. [2023-11-23 20:01:32,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:01:32,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:32,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:33,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:01:33,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:33,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:33,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:33,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 122 states and 131 transitions. [2023-11-23 20:01:33,232 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 131 transitions. [2023-11-23 20:01:33,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:01:33,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:33,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:33,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:01:33,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:33,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:33,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:33,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 125 states and 136 transitions. [2023-11-23 20:01:33,572 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 136 transitions. [2023-11-23 20:01:33,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:01:33,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:33,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:33,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:01:33,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:33,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:33,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:33,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 129 states and 143 transitions. [2023-11-23 20:01:33,947 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 143 transitions. [2023-11-23 20:01:33,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:01:33,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:33,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:33,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:01:33,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:34,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:34,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 134 states and 152 transitions. [2023-11-23 20:01:34,295 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 152 transitions. [2023-11-23 20:01:34,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:01:34,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:34,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:34,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:01:34,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:34,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:34,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 134 states and 151 transitions. [2023-11-23 20:01:34,426 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 151 transitions. [2023-11-23 20:01:34,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:01:34,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:34,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:34,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:01:34,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:34,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:34,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:34,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 135 states and 152 transitions. [2023-11-23 20:01:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 152 transitions. [2023-11-23 20:01:34,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:01:34,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:34,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:34,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:34,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:34,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 135 states and 151 transitions. [2023-11-23 20:01:34,562 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 151 transitions. [2023-11-23 20:01:34,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:01:34,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:34,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:34,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:01:34,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:34,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:34,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:34,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 141 states and 165 transitions. [2023-11-23 20:01:34,816 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 165 transitions. [2023-11-23 20:01:34,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:01:34,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:34,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:34,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:01:34,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:34,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:34,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:34,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 145 states and 174 transitions. [2023-11-23 20:01:34,958 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 174 transitions. [2023-11-23 20:01:34,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:01:34,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:34,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:34,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:01:34,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:35,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:35,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:35,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 148 states and 178 transitions. [2023-11-23 20:01:35,370 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 178 transitions. [2023-11-23 20:01:35,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:01:35,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:35,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:35,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:01:35,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:35,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:35,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:35,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 149 states and 179 transitions. [2023-11-23 20:01:35,443 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 179 transitions. [2023-11-23 20:01:35,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:01:35,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:35,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:35,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:01:35,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:35,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:35,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:35,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 150 states and 180 transitions. [2023-11-23 20:01:35,519 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 180 transitions. [2023-11-23 20:01:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:01:35,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:35,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:35,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:01:35,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:35,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:36,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:36,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 151 states and 181 transitions. [2023-11-23 20:01:36,058 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 181 transitions. [2023-11-23 20:01:36,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:01:36,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:36,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:36,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:01:36,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:36,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:36,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:36,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 157 states and 192 transitions. [2023-11-23 20:01:36,545 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 192 transitions. [2023-11-23 20:01:36,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:01:36,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:36,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:36,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:01:36,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:36,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:37,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:37,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 161 states and 199 transitions. [2023-11-23 20:01:37,112 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 199 transitions. [2023-11-23 20:01:37,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:01:37,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:37,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:37,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:01:37,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:37,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:37,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:37,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 168 states and 209 transitions. [2023-11-23 20:01:37,709 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 209 transitions. [2023-11-23 20:01:37,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:01:37,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:37,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:37,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:01:37,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:37,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:38,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:38,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 175 states and 222 transitions. [2023-11-23 20:01:38,063 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 222 transitions. [2023-11-23 20:01:38,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:01:38,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:38,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:38,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:01:38,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:38,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:38,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:38,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 180 states and 230 transitions. [2023-11-23 20:01:38,856 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 230 transitions. [2023-11-23 20:01:38,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:01:38,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:38,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:38,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:01:38,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:38,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:38,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:38,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 181 states and 231 transitions. [2023-11-23 20:01:38,944 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2023-11-23 20:01:38,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:01:38,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:38,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:38,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:01:38,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:39,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:39,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:39,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 184 states and 236 transitions. [2023-11-23 20:01:39,501 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 236 transitions. [2023-11-23 20:01:39,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:01:39,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:39,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:39,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:01:39,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:39,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:40,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 192 states and 251 transitions. [2023-11-23 20:01:40,355 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2023-11-23 20:01:40,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:01:40,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:40,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:40,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:01:40,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:40,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:41,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:41,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 195 states and 254 transitions. [2023-11-23 20:01:41,148 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 254 transitions. [2023-11-23 20:01:41,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:01:41,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:41,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:41,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:01:41,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:41,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:41,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 196 states and 255 transitions. [2023-11-23 20:01:41,871 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 255 transitions. [2023-11-23 20:01:41,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:01:41,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:41,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:41,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:01:41,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:41,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:41,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 197 states and 256 transitions. [2023-11-23 20:01:41,957 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 256 transitions. [2023-11-23 20:01:41,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:01:41,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:41,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:41,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:01:41,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:42,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:42,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:42,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 198 states and 257 transitions. [2023-11-23 20:01:42,623 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 257 transitions. [2023-11-23 20:01:42,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:01:42,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:42,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:42,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:01:42,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:42,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:43,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:43,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 206 states and 269 transitions. [2023-11-23 20:01:43,902 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 269 transitions. [2023-11-23 20:01:43,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:01:43,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:43,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:43,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:01:43,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:44,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:46,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:46,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 219 states and 287 transitions. [2023-11-23 20:01:46,169 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 287 transitions. [2023-11-23 20:01:46,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:01:46,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:46,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:46,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:01:46,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:48,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:48,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 228 states and 303 transitions. [2023-11-23 20:01:48,226 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 303 transitions. [2023-11-23 20:01:48,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:01:48,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:48,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:48,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:01:48,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:48,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:51,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:51,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 242 states and 323 transitions. [2023-11-23 20:01:51,250 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 323 transitions. [2023-11-23 20:01:51,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:01:51,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:51,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:51,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:01:51,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:51,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:51,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 251 states and 337 transitions. [2023-11-23 20:01:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 337 transitions. [2023-11-23 20:01:52,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:01:52,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:52,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:52,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:01:52,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:52,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:54,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:54,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 263 states and 351 transitions. [2023-11-23 20:01:54,773 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 351 transitions. [2023-11-23 20:01:54,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:01:54,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:54,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:54,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:01:54,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:54,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:54,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 264 states and 352 transitions. [2023-11-23 20:01:54,837 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 352 transitions. [2023-11-23 20:01:54,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:01:54,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:54,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:54,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:01:54,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:55,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:57,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 280 states and 372 transitions. [2023-11-23 20:01:57,479 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 372 transitions. [2023-11-23 20:01:57,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:01:57,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:57,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:57,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:01:57,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:58,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:58,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 293 states and 394 transitions. [2023-11-23 20:01:58,354 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 394 transitions. [2023-11-23 20:01:58,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:01:58,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:58,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:58,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:01:58,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:01:58,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:02:03,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 308 states and 428 transitions. [2023-11-23 20:02:03,285 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 428 transitions. [2023-11-23 20:02:03,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:02:03,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:03,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:03,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:02:03,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:03,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:02:08,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:08,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 324 states and 458 transitions. [2023-11-23 20:02:08,980 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 458 transitions. [2023-11-23 20:02:08,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:02:08,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:08,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:09,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:02:09,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:02:09,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:09,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 326 states and 463 transitions. [2023-11-23 20:02:09,457 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 463 transitions. [2023-11-23 20:02:09,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:02:09,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:09,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:09,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:02:09,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:09,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:02:10,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:10,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 329 states and 468 transitions. [2023-11-23 20:02:10,566 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 468 transitions. [2023-11-23 20:02:10,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:02:10,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:10,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:10,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:02:10,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:10,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:02:11,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:11,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 331 states and 472 transitions. [2023-11-23 20:02:11,006 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 472 transitions. [2023-11-23 20:02:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:02:11,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:11,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:11,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:02:11,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:11,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:02:12,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:12,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 332 states and 473 transitions. [2023-11-23 20:02:12,370 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 473 transitions. [2023-11-23 20:02:12,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:02:12,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:12,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:12,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:02:12,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:12,918 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:02:18,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:18,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 351 states and 522 transitions. [2023-11-23 20:02:18,618 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 522 transitions. [2023-11-23 20:02:18,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:02:18,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:18,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:18,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:02:18,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:19,188 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.