./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_78270d4c-b8ca-49bb-b290-b5089d8960ac/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78270d4c-b8ca-49bb-b290-b5089d8960ac/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78270d4c-b8ca-49bb-b290-b5089d8960ac/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78270d4c-b8ca-49bb-b290-b5089d8960ac/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78270d4c-b8ca-49bb-b290-b5089d8960ac/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78270d4c-b8ca-49bb-b290-b5089d8960ac/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e46fdb43c1704e8aa9295c108b22e9521ffebb273e9060ca31abf40569948ab2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:02,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:02,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78270d4c-b8ca-49bb-b290-b5089d8960ac/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:58:02,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:58:02,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:58:02,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:02,273 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:02,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:02,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:02,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:02,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:02,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:02,277 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:58:02,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:58:02,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:58:02,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:02,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:02,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:02,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:02,281 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:58:02,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:02,283 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:02,283 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:02,284 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:02,285 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:02,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:02,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:02,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:02,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:02,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:02,288 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:58:02,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:58:02,289 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:02,289 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_78270d4c-b8ca-49bb-b290-b5089d8960ac/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78270d4c-b8ca-49bb-b290-b5089d8960ac/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e46fdb43c1704e8aa9295c108b22e9521ffebb273e9060ca31abf40569948ab2 [2023-11-24 22:58:02,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:02,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:02,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:02,573 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:02,573 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:02,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78270d4c-b8ca-49bb-b290-b5089d8960ac/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i [2023-11-24 22:58:05,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:05,893 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:05,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78270d4c-b8ca-49bb-b290-b5089d8960ac/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i [2023-11-24 22:58:05,908 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78270d4c-b8ca-49bb-b290-b5089d8960ac/bin/ukojak-verify-afCqCEvfdi/data/1aeda59d5/5fbf75315afb45e69112b8348409932f/FLAG60edaa66a [2023-11-24 22:58:05,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78270d4c-b8ca-49bb-b290-b5089d8960ac/bin/ukojak-verify-afCqCEvfdi/data/1aeda59d5/5fbf75315afb45e69112b8348409932f [2023-11-24 22:58:05,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:05,927 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:05,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:05,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:05,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:05,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:05" (1/1) ... [2023-11-24 22:58:05,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36518af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:05, skipping insertion in model container [2023-11-24 22:58:05,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:05" (1/1) ... [2023-11-24 22:58:05,967 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:06,123 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78270d4c-b8ca-49bb-b290-b5089d8960ac/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i[951,964] [2023-11-24 22:58:06,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:06,150 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:06,162 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78270d4c-b8ca-49bb-b290-b5089d8960ac/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i[951,964] [2023-11-24 22:58:06,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:06,183 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:06,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:06 WrapperNode [2023-11-24 22:58:06,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:06,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:06,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:06,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:06,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:06" (1/1) ... [2023-11-24 22:58:06,200 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:06" (1/1) ... [2023-11-24 22:58:06,216 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2023-11-24 22:58:06,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:06,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:06,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:06,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:06,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:06" (1/1) ... [2023-11-24 22:58:06,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:06" (1/1) ... [2023-11-24 22:58:06,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:06" (1/1) ... [2023-11-24 22:58:06,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:06" (1/1) ... [2023-11-24 22:58:06,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:06" (1/1) ... [2023-11-24 22:58:06,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:06" (1/1) ... [2023-11-24 22:58:06,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:06" (1/1) ... [2023-11-24 22:58:06,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:06" (1/1) ... [2023-11-24 22:58:06,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:06,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:06,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:06,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:06,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:06" (1/1) ... [2023-11-24 22:58:06,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:06,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78270d4c-b8ca-49bb-b290-b5089d8960ac/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:06,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78270d4c-b8ca-49bb-b290-b5089d8960ac/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:06,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78270d4c-b8ca-49bb-b290-b5089d8960ac/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:58:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:58:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:58:06,400 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:06,404 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:06,575 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:06,620 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:06,620 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:58:06,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:06 BoogieIcfgContainer [2023-11-24 22:58:06,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:06,624 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:06,624 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:06,634 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:06,635 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:06" (1/1) ... [2023-11-24 22:58:06,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:06,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:06,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-24 22:58:06,698 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-24 22:58:06,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:58:06,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:06,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:06,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:58:06,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:06,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:06,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:06,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-24 22:58:06,900 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-24 22:58:06,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:58:06,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:06,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:07,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:58:07,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:07,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:07,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-24 22:58:07,109 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-24 22:58:07,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:58:07,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:07,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:07,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:58:07,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:07,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-24 22:58:07,365 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-24 22:58:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:58:07,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:07,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:07,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:58:07,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:07,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:08,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:08,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2023-11-24 22:58:08,510 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-11-24 22:58:08,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:58:08,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:08,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:08,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:58:08,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:08,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:08,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:08,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2023-11-24 22:58:08,845 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2023-11-24 22:58:08,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:58:08,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:08,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:08,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:58:08,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:09,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:10,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:10,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2023-11-24 22:58:10,655 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2023-11-24 22:58:10,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:58:10,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:10,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:10,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:58:10,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:10,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:12,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:12,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2023-11-24 22:58:12,583 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2023-11-24 22:58:12,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:58:12,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:12,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:12,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:58:12,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:12,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:13,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:13,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 47 states and 90 transitions. [2023-11-24 22:58:13,288 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2023-11-24 22:58:13,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:58:13,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:13,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:13,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:58:13,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:13,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:58:14,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:14,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 51 states and 102 transitions. [2023-11-24 22:58:14,153 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 102 transitions. [2023-11-24 22:58:14,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:58:14,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:14,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:14,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:58:14,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:14,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:14,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 53 states and 110 transitions. [2023-11-24 22:58:14,488 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 110 transitions. [2023-11-24 22:58:14,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:58:14,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:14,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:14,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:58:14,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:14,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:15,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:15,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 57 states and 119 transitions. [2023-11-24 22:58:15,577 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 119 transitions. [2023-11-24 22:58:15,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:58:15,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:15,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:15,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:58:15,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:15,929 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:17,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:17,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 62 states and 131 transitions. [2023-11-24 22:58:17,990 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 131 transitions. [2023-11-24 22:58:17,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:58:17,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:17,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:18,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:58:18,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:18,204 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:18,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:18,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 65 states and 144 transitions. [2023-11-24 22:58:18,910 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 144 transitions. [2023-11-24 22:58:18,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:58:18,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:18,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:18,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:58:18,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:19,083 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 70 states and 156 transitions. [2023-11-24 22:58:20,808 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 156 transitions. [2023-11-24 22:58:20,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:58:20,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:20,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:20,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:58:20,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:58:22,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:22,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 75 states and 168 transitions. [2023-11-24 22:58:22,526 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 168 transitions. [2023-11-24 22:58:22,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:58:22,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:22,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:22,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:58:22,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:22,611 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:22,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:22,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 75 states and 167 transitions. [2023-11-24 22:58:22,965 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 167 transitions. [2023-11-24 22:58:22,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:58:22,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:22,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:22,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:58:22,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:23,260 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:26,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:26,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 81 states and 189 transitions. [2023-11-24 22:58:26,238 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 189 transitions. [2023-11-24 22:58:26,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:58:26,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:26,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:26,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:58:26,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:28,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:28,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 87 states and 209 transitions. [2023-11-24 22:58:28,812 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 209 transitions. [2023-11-24 22:58:28,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:58:28,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:28,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:28,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:58:28,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:29,036 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:32,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:32,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 92 states and 228 transitions. [2023-11-24 22:58:32,362 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 228 transitions. [2023-11-24 22:58:32,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:58:32,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:32,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:32,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:58:32,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:32,544 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:32,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:32,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 94 states and 243 transitions. [2023-11-24 22:58:32,971 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 243 transitions. [2023-11-24 22:58:32,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:58:32,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:32,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:33,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:58:33,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:33,461 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:37,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:37,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 100 states and 258 transitions. [2023-11-24 22:58:37,899 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 258 transitions. [2023-11-24 22:58:37,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:58:37,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:37,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:38,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:58:38,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:38,317 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:39,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:39,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 102 states and 261 transitions. [2023-11-24 22:58:39,773 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 261 transitions. [2023-11-24 22:58:39,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:58:39,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:39,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:39,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:58:39,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:39,949 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:41,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:41,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 104 states and 266 transitions. [2023-11-24 22:58:41,076 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 266 transitions. [2023-11-24 22:58:41,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:58:41,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:41,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:41,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:58:41,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:41,211 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:42,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:42,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 106 states and 274 transitions. [2023-11-24 22:58:42,523 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 274 transitions. [2023-11-24 22:58:42,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:58:42,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:42,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:42,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:58:42,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:42,932 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:44,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:44,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 109 states and 284 transitions. [2023-11-24 22:58:44,339 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 284 transitions. [2023-11-24 22:58:44,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:58:44,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:44,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:44,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:58:44,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:44,415 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:45,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:45,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 109 states and 283 transitions. [2023-11-24 22:58:45,154 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 283 transitions. [2023-11-24 22:58:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:58:45,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:45,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:45,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:58:45,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:45,305 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-24 22:58:46,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:46,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 112 states and 291 transitions. [2023-11-24 22:58:46,406 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 291 transitions. [2023-11-24 22:58:46,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:58:46,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:46,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:46,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:58:46,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:46,850 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:49,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:49,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 116 states and 308 transitions. [2023-11-24 22:58:49,500 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 308 transitions. [2023-11-24 22:58:49,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:58:49,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:49,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:49,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:58:49,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:49,690 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:50,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 116 states and 307 transitions. [2023-11-24 22:58:50,948 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 307 transitions. [2023-11-24 22:58:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:58:50,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:50,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:50,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:58:50,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:51,343 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:53,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:53,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 119 states and 314 transitions. [2023-11-24 22:58:53,631 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 314 transitions. [2023-11-24 22:58:53,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:58:53,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:53,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:53,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:58:53,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:54,022 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:56,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:56,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 122 states and 321 transitions. [2023-11-24 22:58:56,049 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 321 transitions. [2023-11-24 22:58:56,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:58:56,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:56,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:56,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 22:58:56,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:58:56,931 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.