./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.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_abeea568-39fc-4c0e-bda6-658a372a2b66/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abeea568-39fc-4c0e-bda6-658a372a2b66/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_abeea568-39fc-4c0e-bda6-658a372a2b66/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abeea568-39fc-4c0e-bda6-658a372a2b66/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abeea568-39fc-4c0e-bda6-658a372a2b66/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_abeea568-39fc-4c0e-bda6-658a372a2b66/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 5b0ae54926d75c04421ee4ea5930c958fb8ba0ccacc4d56435da8ae7b298172d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:45,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:45,103 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abeea568-39fc-4c0e-bda6-658a372a2b66/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:05:45,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:45,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:45,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:45,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:45,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:45,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:45,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:45,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:45,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:45,161 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:45,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:45,163 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:45,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:45,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:45,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:45,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:45,170 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:45,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:45,171 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:45,171 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:45,172 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:45,172 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:45,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:45,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:45,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:45,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:45,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:45,176 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:45,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:45,176 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:45,178 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_abeea568-39fc-4c0e-bda6-658a372a2b66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abeea568-39fc-4c0e-bda6-658a372a2b66/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b0ae54926d75c04421ee4ea5930c958fb8ba0ccacc4d56435da8ae7b298172d [2023-11-24 23:05:45,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:45,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:45,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:45,585 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:45,585 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:45,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abeea568-39fc-4c0e-bda6-658a372a2b66/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i [2023-11-24 23:05:48,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:49,221 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:49,222 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abeea568-39fc-4c0e-bda6-658a372a2b66/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i [2023-11-24 23:05:49,230 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abeea568-39fc-4c0e-bda6-658a372a2b66/bin/ukojak-verify-afCqCEvfdi/data/6ae5a2aa2/3bff795274704ec086d766fc15617da8/FLAG77dd20cfe [2023-11-24 23:05:49,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abeea568-39fc-4c0e-bda6-658a372a2b66/bin/ukojak-verify-afCqCEvfdi/data/6ae5a2aa2/3bff795274704ec086d766fc15617da8 [2023-11-24 23:05:49,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:49,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:49,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:49,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:49,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:49,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15031f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49, skipping insertion in model container [2023-11-24 23:05:49,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,286 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:49,448 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_abeea568-39fc-4c0e-bda6-658a372a2b66/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i[951,964] [2023-11-24 23:05:49,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:49,474 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:49,489 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_abeea568-39fc-4c0e-bda6-658a372a2b66/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i[951,964] [2023-11-24 23:05:49,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:49,511 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:49,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49 WrapperNode [2023-11-24 23:05:49,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:49,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:49,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:49,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:49,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,547 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2023-11-24 23:05:49,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:49,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:49,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:49,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:49,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:49,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:49,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:49,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:49,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:49,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abeea568-39fc-4c0e-bda6-658a372a2b66/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:49,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abeea568-39fc-4c0e-bda6-658a372a2b66/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:49,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abeea568-39fc-4c0e-bda6-658a372a2b66/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:05:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:05:49,731 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:49,733 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:49,893 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:49,959 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:49,959 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:05:49,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:49 BoogieIcfgContainer [2023-11-24 23:05:49,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:49,966 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:49,966 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:49,977 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:49,977 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:50,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:50,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-24 23:05:50,041 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-24 23:05:50,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:05:50,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:50,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:50,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:05:50,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:50,295 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 23:05:50,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:50,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-24 23:05:50,334 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-24 23:05:50,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:05:50,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:50,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:50,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:05:50,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:50,448 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 23:05:50,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-24 23:05:50,484 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-24 23:05:50,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:05:50,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:50,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:50,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:05:50,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:50,601 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 23:05:50,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:50,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-24 23:05:50,720 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-24 23:05:50,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:05:50,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:50,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:50,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:05:50,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:50,994 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 23:05:51,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:51,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2023-11-24 23:05:51,897 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-11-24 23:05:51,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:05:51,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:51,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:51,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:05:51,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:52,002 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 23:05:52,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:52,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2023-11-24 23:05:52,193 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2023-11-24 23:05:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:05:52,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:52,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:52,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:05:52,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:52,422 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 23:05:53,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:53,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2023-11-24 23:05:53,771 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2023-11-24 23:05:53,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:05:53,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:53,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:53,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:05:53,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:53,904 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 23:05:54,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2023-11-24 23:05:54,973 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2023-11-24 23:05:54,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:05:54,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:54,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:55,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:05:55,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:55,123 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 23:05:55,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:55,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 92 transitions. [2023-11-24 23:05:55,681 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 92 transitions. [2023-11-24 23:05:55,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:05:55,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:55,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:55,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:05:55,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:55,826 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 23:05:56,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:56,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2023-11-24 23:05:56,871 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2023-11-24 23:05:56,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:05:56,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:56,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:56,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:05:56,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:56,988 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 23:05:57,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:57,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 54 states and 109 transitions. [2023-11-24 23:05:57,217 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 109 transitions. [2023-11-24 23:05:57,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:05:57,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:57,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:57,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:05:57,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:57,528 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 23:05:58,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:58,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 58 states and 118 transitions. [2023-11-24 23:05:58,199 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 118 transitions. [2023-11-24 23:05:58,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:05:58,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:58,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:58,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:05:58,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:58,690 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 23:06:00,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:00,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 132 transitions. [2023-11-24 23:06:00,706 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 132 transitions. [2023-11-24 23:06:00,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:06:00,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:00,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:00,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:06:00,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:00,955 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 23:06:01,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:01,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 66 states and 145 transitions. [2023-11-24 23:06:01,784 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 145 transitions. [2023-11-24 23:06:01,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:06:01,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:01,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:01,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:06:01,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:01,909 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 23:06:02,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:02,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 69 states and 152 transitions. [2023-11-24 23:06:02,772 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 152 transitions. [2023-11-24 23:06:02,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:06:02,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:02,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:02,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:06:02,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:02,977 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 23:06:05,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:05,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 74 states and 172 transitions. [2023-11-24 23:06:05,662 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 172 transitions. [2023-11-24 23:06:05,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:06:05,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:05,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:05,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:06:05,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:05,830 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 23:06:06,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 76 states and 184 transitions. [2023-11-24 23:06:06,201 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 184 transitions. [2023-11-24 23:06:06,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:06:06,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:06,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:06,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:06:06,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:06,480 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 23:06:07,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:07,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 79 states and 198 transitions. [2023-11-24 23:06:07,510 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 198 transitions. [2023-11-24 23:06:07,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:06:07,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:07,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:07,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:06:07,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:07,621 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 23:06:09,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:09,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 84 states and 211 transitions. [2023-11-24 23:06:09,042 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 211 transitions. [2023-11-24 23:06:09,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:06:09,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:09,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:09,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:06:09,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:09,150 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 23:06:10,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:10,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 86 states and 215 transitions. [2023-11-24 23:06:10,006 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 215 transitions. [2023-11-24 23:06:10,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:06:10,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:10,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:10,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:06:10,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:10,434 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 23:06:12,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:12,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 89 states and 225 transitions. [2023-11-24 23:06:12,220 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 225 transitions. [2023-11-24 23:06:12,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:06:12,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:12,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:12,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:06:12,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:12,417 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 23:06:14,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:14,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 94 states and 236 transitions. [2023-11-24 23:06:14,827 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 236 transitions. [2023-11-24 23:06:14,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:06:14,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:14,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:14,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:06:14,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:14,964 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 23:06:16,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:16,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 97 states and 253 transitions. [2023-11-24 23:06:16,460 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 253 transitions. [2023-11-24 23:06:16,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:06:16,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:16,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:16,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:06:16,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:16,524 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 23:06:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 97 states and 252 transitions. [2023-11-24 23:06:17,005 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 252 transitions. [2023-11-24 23:06:17,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:06:17,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:17,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:17,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 23:06:17,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:17,966 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 23:06:24,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:24,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 107 states and 290 transitions. [2023-11-24 23:06:24,497 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 290 transitions. [2023-11-24 23:06:24,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:06:24,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:24,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:24,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 23:06:24,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:25,125 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 23:06:28,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:28,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 111 states and 298 transitions. [2023-11-24 23:06:28,156 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 298 transitions. [2023-11-24 23:06:28,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:06:28,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:28,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:28,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:06:28,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:28,226 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:31,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 117 states and 325 transitions. [2023-11-24 23:06:31,181 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 325 transitions. [2023-11-24 23:06:31,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:06:31,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:31,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:31,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:06:31,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:31,250 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:34,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:34,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 119 states and 332 transitions. [2023-11-24 23:06:34,336 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 332 transitions. [2023-11-24 23:06:34,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:06:34,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:34,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:34,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 23:06:34,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:34,781 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 23:06:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:36,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 121 states and 336 transitions. [2023-11-24 23:06:36,108 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 336 transitions. [2023-11-24 23:06:36,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:06:36,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:36,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:36,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:06:36,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:36,158 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:36,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:36,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 121 states and 334 transitions. [2023-11-24 23:06:36,754 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 334 transitions. [2023-11-24 23:06:36,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:06:36,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:36,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:36,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 23:06:36,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:37,184 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 23:06:38,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:38,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 123 states and 338 transitions. [2023-11-24 23:06:38,653 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 338 transitions. [2023-11-24 23:06:38,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:06:38,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:38,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:38,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 23:06:38,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:38,880 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.