./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/LogRecursive.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_3588e006-8234-44e2-900a-13e1a2adbfea/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3588e006-8234-44e2-900a-13e1a2adbfea/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3588e006-8234-44e2-900a-13e1a2adbfea/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3588e006-8234-44e2-900a-13e1a2adbfea/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/LogRecursive.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3588e006-8234-44e2-900a-13e1a2adbfea/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3588e006-8234-44e2-900a-13e1a2adbfea/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e724a514255a950b17f8b31ed081620ead5e2540931c6bb88a6923d310e5f391 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:42:15,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:42:15,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3588e006-8234-44e2-900a-13e1a2adbfea/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:42:15,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:42:15,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:42:16,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:42:16,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:42:16,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:42:16,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:42:16,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:42:16,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:42:16,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:42:16,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:42:16,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:42:16,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:42:16,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:42:16,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:42:16,027 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:42:16,027 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:42:16,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:42:16,028 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:42:16,029 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:42:16,029 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:42:16,030 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:42:16,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:42:16,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:16,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:42:16,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:42:16,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:42:16,033 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:42:16,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:42:16,034 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:42:16,034 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_3588e006-8234-44e2-900a-13e1a2adbfea/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3588e006-8234-44e2-900a-13e1a2adbfea/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e724a514255a950b17f8b31ed081620ead5e2540931c6bb88a6923d310e5f391 [2023-11-21 18:42:16,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:42:16,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:42:16,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:42:16,367 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:42:16,368 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:42:16,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3588e006-8234-44e2-900a-13e1a2adbfea/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-numeric/LogRecursive.c [2023-11-21 18:42:19,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:42:19,734 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:42:19,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3588e006-8234-44e2-900a-13e1a2adbfea/sv-benchmarks/c/termination-numeric/LogRecursive.c [2023-11-21 18:42:19,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3588e006-8234-44e2-900a-13e1a2adbfea/bin/ukojak-verify-i0I2FZA1j2/data/073fb80ca/2a35fe67ed4247de918d146ce1bd87ad/FLAG52b57be82 [2023-11-21 18:42:19,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3588e006-8234-44e2-900a-13e1a2adbfea/bin/ukojak-verify-i0I2FZA1j2/data/073fb80ca/2a35fe67ed4247de918d146ce1bd87ad [2023-11-21 18:42:19,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:42:19,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:42:19,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:19,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:42:19,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:42:19,774 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:19" (1/1) ... [2023-11-21 18:42:19,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1821a053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:19, skipping insertion in model container [2023-11-21 18:42:19,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:19" (1/1) ... [2023-11-21 18:42:19,806 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:42:19,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:19,974 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:42:19,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:20,002 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:42:20,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:20 WrapperNode [2023-11-21 18:42:20,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:20,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:20,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:42:20,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:42:20,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:20" (1/1) ... [2023-11-21 18:42:20,018 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:20" (1/1) ... [2023-11-21 18:42:20,037 INFO L138 Inliner]: procedures = 6, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2023-11-21 18:42:20,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:20,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:42:20,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:42:20,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:42:20,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:20" (1/1) ... [2023-11-21 18:42:20,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:20" (1/1) ... [2023-11-21 18:42:20,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:20" (1/1) ... [2023-11-21 18:42:20,049 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:20" (1/1) ... [2023-11-21 18:42:20,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:20" (1/1) ... [2023-11-21 18:42:20,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:20" (1/1) ... [2023-11-21 18:42:20,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:20" (1/1) ... [2023-11-21 18:42:20,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:20" (1/1) ... [2023-11-21 18:42:20,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:42:20,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:42:20,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:42:20,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:42:20,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:20" (1/1) ... [2023-11-21 18:42:20,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:20,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3588e006-8234-44e2-900a-13e1a2adbfea/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:42:20,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3588e006-8234-44e2-900a-13e1a2adbfea/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:42:20,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3588e006-8234-44e2-900a-13e1a2adbfea/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:42:20,157 INFO L130 BoogieDeclarations]: Found specification of procedure _log [2023-11-21 18:42:20,157 INFO L138 BoogieDeclarations]: Found implementation of procedure _log [2023-11-21 18:42:20,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:42:20,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:42:20,226 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:42:20,228 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:42:20,385 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:42:20,401 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:42:20,401 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:42:20,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:20 BoogieIcfgContainer [2023-11-21 18:42:20,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:42:20,404 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:42:20,405 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:42:20,415 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:42:20,415 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:20" (1/1) ... [2023-11-21 18:42:20,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:42:20,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:20,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2023-11-21 18:42:20,485 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2023-11-21 18:42:20,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:42:20,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:20,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:20,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:42:20,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:20,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:20,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:20,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2023-11-21 18:42:20,711 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-11-21 18:42:20,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:42:20,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:20,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:20,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:20,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:20,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:21,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 29 transitions. [2023-11-21 18:42:21,250 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-11-21 18:42:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:42:21,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:21,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:21,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:42:21,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:32,716 WARN L876 $PredicateComparison]: unable to prove that (or (exists ((v__log_~y_BEFORE_CALL_1 Int)) (and (exists ((v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse0 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse0 2147483647) (<= |c__log_#in~x| .cse0) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1)))) (<= 2 v__log_~y_BEFORE_CALL_1))) (exists ((v__log_~y_BEFORE_CALL_1 Int)) (and (<= 2 v__log_~y_BEFORE_CALL_1) (exists ((v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse1 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse1 2147483647) (<= |c__log_#in~x| .cse1) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1) (= (mod v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1) 0))))))) is different from true [2023-11-21 18:42:33,220 WARN L876 $PredicateComparison]: unable to prove that (or (exists ((v__log_~y_BEFORE_CALL_1 Int) (v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse0 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse0 2147483647) (<= 2 v__log_~y_BEFORE_CALL_1) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1) (<= c__log_~x .cse0)))) (exists ((v__log_~y_BEFORE_CALL_1 Int) (v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse1 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse1 2147483647) (<= 2 v__log_~y_BEFORE_CALL_1) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1) (<= c__log_~x .cse1) (= (mod v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1) 0))))) is different from true [2023-11-21 18:42:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:45,119 WARN L854 $PredicateComparison]: unable to prove that (not (or (exists ((v__log_~y_BEFORE_CALL_1 Int)) (and (exists ((v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse0 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse0 2147483647) (<= |c__log_#in~x| .cse0) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1)))) (<= 2 v__log_~y_BEFORE_CALL_1))) (exists ((v__log_~y_BEFORE_CALL_1 Int)) (and (<= 2 v__log_~y_BEFORE_CALL_1) (exists ((v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse1 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse1 2147483647) (<= |c__log_#in~x| .cse1) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1) (= (mod v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1) 0)))))))) is different from false [2023-11-21 18:42:45,306 WARN L854 $PredicateComparison]: unable to prove that (not (or (exists ((v__log_~y_BEFORE_CALL_1 Int) (v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse0 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse0 2147483647) (<= 2 v__log_~y_BEFORE_CALL_1) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1) (<= c__log_~x .cse0)))) (exists ((v__log_~y_BEFORE_CALL_1 Int) (v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse1 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse1 2147483647) (<= 2 v__log_~y_BEFORE_CALL_1) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1) (<= c__log_~x .cse1) (= (mod v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1) 0)))))) is different from false [2023-11-21 18:42:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:45,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 22 transitions. [2023-11-21 18:42:45,781 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-21 18:42:45,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:42:45,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:45,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:45,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:42:45,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:45,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:46,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:46,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 21 transitions. [2023-11-21 18:42:46,021 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-21 18:42:46,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:42:46,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:46,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:46,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:42:46,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:46,241 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:42:46,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:46,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 28 transitions. [2023-11-21 18:42:46,696 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-11-21 18:42:46,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:42:46,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:46,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:46,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:42:46,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:46,968 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:42:47,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:47,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 34 transitions. [2023-11-21 18:42:47,799 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-11-21 18:42:47,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:42:47,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:47,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:47,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:42:47,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:48,027 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-21 18:42:48,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:48,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 40 transitions. [2023-11-21 18:42:48,568 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2023-11-21 18:42:48,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:42:48,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:48,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:48,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:42:48,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:42:49,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:49,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 46 transitions. [2023-11-21 18:42:49,404 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-11-21 18:42:49,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:42:49,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:49,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:49,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:42:49,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:49,739 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:42:50,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:50,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 52 transitions. [2023-11-21 18:42:50,365 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2023-11-21 18:42:50,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:42:50,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:50,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:50,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:42:50,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:50,757 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-21 18:42:51,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:51,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 58 transitions. [2023-11-21 18:42:51,437 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2023-11-21 18:42:51,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:42:51,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:51,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:51,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:42:51,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:51,784 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-21 18:42:52,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:52,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 64 transitions. [2023-11-21 18:42:52,337 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2023-11-21 18:42:52,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 18:42:52,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:52,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:52,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:42:52,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-11-21 18:42:53,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:53,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 58 states and 70 transitions. [2023-11-21 18:42:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 70 transitions. [2023-11-21 18:42:53,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-21 18:42:53,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:53,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:53,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:42:53,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:53,832 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-11-21 18:42:54,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:54,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 76 transitions. [2023-11-21 18:42:54,490 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 76 transitions. [2023-11-21 18:42:54,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-21 18:42:54,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:54,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:54,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:42:54,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:54,854 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-21 18:42:55,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:55,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 68 states and 82 transitions. [2023-11-21 18:42:55,533 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 82 transitions. [2023-11-21 18:42:55,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-21 18:42:55,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:55,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:55,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:42:55,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:55,990 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2023-11-21 18:42:56,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:56,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 88 transitions. [2023-11-21 18:42:56,745 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2023-11-21 18:42:56,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-21 18:42:56,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:56,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:56,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-21 18:42:56,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:57,221 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2023-11-21 18:42:57,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:57,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 78 states and 94 transitions. [2023-11-21 18:42:57,988 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2023-11-21 18:42:57,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-21 18:42:57,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:57,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:58,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-21 18:42:58,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2023-11-21 18:42:59,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:59,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 100 transitions. [2023-11-21 18:42:59,271 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2023-11-21 18:42:59,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-21 18:42:59,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:59,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:59,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-21 18:42:59,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:59,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-21 18:43:00,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:00,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 88 states and 106 transitions. [2023-11-21 18:43:00,468 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 106 transitions. [2023-11-21 18:43:00,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-21 18:43:00,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:00,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:00,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-21 18:43:00,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:00,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2023-11-21 18:43:01,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:01,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 93 states and 112 transitions. [2023-11-21 18:43:01,674 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 112 transitions. [2023-11-21 18:43:01,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-21 18:43:01,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:01,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:01,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-21 18:43:01,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:02,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2023-11-21 18:43:03,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:03,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 98 states and 118 transitions. [2023-11-21 18:43:03,016 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 118 transitions. [2023-11-21 18:43:03,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-21 18:43:03,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:03,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:03,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-21 18:43:03,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:03,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 0 proven. 680 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2023-11-21 18:43:04,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:04,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 103 states and 124 transitions. [2023-11-21 18:43:04,235 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 124 transitions. [2023-11-21 18:43:04,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-21 18:43:04,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:04,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:04,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-21 18:43:04,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:04,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1566 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2023-11-21 18:43:05,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:05,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 108 states and 130 transitions. [2023-11-21 18:43:05,656 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 130 transitions. [2023-11-21 18:43:05,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-21 18:43:05,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:05,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:05,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-21 18:43:05,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:06,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1845 backedges. 0 proven. 855 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:43:07,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:07,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 113 states and 136 transitions. [2023-11-21 18:43:07,155 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 136 transitions. [2023-11-21 18:43:07,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-21 18:43:07,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:07,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:07,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-21 18:43:07,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:07,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-21 18:43:08,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:08,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 118 states and 142 transitions. [2023-11-21 18:43:08,747 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 142 transitions. [2023-11-21 18:43:08,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-11-21 18:43:08,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:08,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:08,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-21 18:43:08,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:09,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2249 backedges. 0 proven. 1050 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2023-11-21 18:43:10,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:10,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 123 states and 148 transitions. [2023-11-21 18:43:10,358 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 148 transitions. [2023-11-21 18:43:10,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-11-21 18:43:10,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:10,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:10,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-21 18:43:10,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2354 backedges. 0 proven. 1155 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2023-11-21 18:43:11,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:11,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 128 states and 154 transitions. [2023-11-21 18:43:11,956 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 154 transitions. [2023-11-21 18:43:11,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-11-21 18:43:11,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:11,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:12,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-21 18:43:12,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:12,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2023-11-21 18:43:13,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:13,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 133 states and 160 transitions. [2023-11-21 18:43:13,661 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 160 transitions. [2023-11-21 18:43:13,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2023-11-21 18:43:13,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:13,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:13,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-21 18:43:13,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:14,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2930 backedges. 0 proven. 1380 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-11-21 18:43:15,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:15,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 138 states and 166 transitions. [2023-11-21 18:43:15,213 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 166 transitions. [2023-11-21 18:43:15,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-21 18:43:15,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:15,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:15,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-21 18:43:15,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:15,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3050 backedges. 0 proven. 1500 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2023-11-21 18:43:16,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:16,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 143 states and 172 transitions. [2023-11-21 18:43:16,890 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 172 transitions. [2023-11-21 18:43:16,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-11-21 18:43:16,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:16,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:17,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-21 18:43:17,047 INFO L285 TraceCheckSpWp]: Computing forward predicates...