./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 cf1a7837 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_54da164e-9872-4c89-9471-f68a1c033f7a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da164e-9872-4c89-9471-f68a1c033f7a/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da164e-9872-4c89-9471-f68a1c033f7a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da164e-9872-4c89-9471-f68a1c033f7a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/LogRecursive.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da164e-9872-4c89-9471-f68a1c033f7a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da164e-9872-4c89-9471-f68a1c033f7a/bin/ukojak-verify-0OAaufAVZV --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-cf1a783 [2023-11-12 00:03:47,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:03:47,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da164e-9872-4c89-9471-f68a1c033f7a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-12 00:03:47,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:03:47,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:03:47,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:03:47,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:03:47,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:03:47,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:03:47,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:03:47,990 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:03:47,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:03:47,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:03:47,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:03:47,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:03:47,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:03:47,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:03:47,993 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:03:47,994 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:03:47,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:03:47,995 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:03:47,995 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:03:47,996 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:03:47,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:03:47,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:47,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:03:47,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:03:47,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:03:47,998 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:03:47,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:03:47,999 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:03:48,000 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_54da164e-9872-4c89-9471-f68a1c033f7a/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da164e-9872-4c89-9471-f68a1c033f7a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e724a514255a950b17f8b31ed081620ead5e2540931c6bb88a6923d310e5f391 [2023-11-12 00:03:48,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:03:48,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:03:48,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:03:48,287 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:03:48,288 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:03:48,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da164e-9872-4c89-9471-f68a1c033f7a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-numeric/LogRecursive.c [2023-11-12 00:03:51,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:03:51,843 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:03:51,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da164e-9872-4c89-9471-f68a1c033f7a/sv-benchmarks/c/termination-numeric/LogRecursive.c [2023-11-12 00:03:51,852 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da164e-9872-4c89-9471-f68a1c033f7a/bin/ukojak-verify-0OAaufAVZV/data/7bf486283/48e122cf37db4a4cb97a254d2cc6d9e2/FLAG4d7b77ca3 [2023-11-12 00:03:51,869 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da164e-9872-4c89-9471-f68a1c033f7a/bin/ukojak-verify-0OAaufAVZV/data/7bf486283/48e122cf37db4a4cb97a254d2cc6d9e2 [2023-11-12 00:03:51,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:03:51,878 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:03:51,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:51,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:03:51,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:03:51,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:51" (1/1) ... [2023-11-12 00:03:51,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c1b69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:51, skipping insertion in model container [2023-11-12 00:03:51,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:51" (1/1) ... [2023-11-12 00:03:51,915 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:03:52,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:52,104 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:03:52,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:52,135 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:03:52,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52 WrapperNode [2023-11-12 00:03:52,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:52,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:52,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:03:52,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:03:52,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,168 INFO L138 Inliner]: procedures = 6, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2023-11-12 00:03:52,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:52,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:03:52,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:03:52,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:03:52,179 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:03:52,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:03:52,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:03:52,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:03:52,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:52,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da164e-9872-4c89-9471-f68a1c033f7a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:03:52,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da164e-9872-4c89-9471-f68a1c033f7a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:03:52,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54da164e-9872-4c89-9471-f68a1c033f7a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:03:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure _log [2023-11-12 00:03:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure _log [2023-11-12 00:03:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:03:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:03:52,351 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:03:52,353 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:03:52,576 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:03:52,587 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:03:52,587 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:03:52,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:52 BoogieIcfgContainer [2023-11-12 00:03:52,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:03:52,591 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:03:52,591 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:03:52,602 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:03:52,603 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:52" (1/1) ... [2023-11-12 00:03:52,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:03:52,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:52,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2023-11-12 00:03:52,666 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2023-11-12 00:03:52,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:03:52,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:52,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:52,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:03:52,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:52,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:52,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:52,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2023-11-12 00:03:52,877 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-11-12 00:03:52,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:03:52,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:52,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:52,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:03:52,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:53,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:53,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:53,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 29 transitions. [2023-11-12 00:03:53,334 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-11-12 00:03:53,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:03:53,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:53,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:53,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 00:03:53,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:03,725 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 [2023-11-12 00:04:09,788 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 [2023-11-12 00:04:26,941 WARN L293 SmtUtils]: Spent 9.74s on a formula simplification. DAG size of input: 21 DAG size of output: 15 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-12 00:04:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:37,030 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 [2023-11-12 00:04:43,495 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 [2023-11-12 00:04:48,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:48,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 22 transitions. [2023-11-12 00:04:48,961 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-12 00:04:48,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:04:48,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:48,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:48,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:04:48,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:49,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:04:49,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:49,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 21 transitions. [2023-11-12 00:04:49,084 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-12 00:04:49,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:04:49,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:49,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:49,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:04:49,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:04:49,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:49,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 28 transitions. [2023-11-12 00:04:49,339 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-11-12 00:04:49,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 00:04:49,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:49,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:49,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:04:49,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:49,459 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:04:49,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:49,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 34 transitions. [2023-11-12 00:04:49,694 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-11-12 00:04:49,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-12 00:04:49,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:49,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:49,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 00:04:49,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:49,841 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-12 00:04:50,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:50,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 40 transitions. [2023-11-12 00:04:50,081 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2023-11-12 00:04:50,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-12 00:04:50,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:50,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:50,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 00:04:50,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:50,267 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-12 00:04:50,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:50,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 46 transitions. [2023-11-12 00:04:50,537 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-11-12 00:04:50,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-12 00:04:50,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:50,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:50,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 00:04:50,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:50,718 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-12 00:04:51,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 52 transitions. [2023-11-12 00:04:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2023-11-12 00:04:51,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-12 00:04:51,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:51,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:51,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-12 00:04:51,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:51,274 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-12 00:04:51,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:51,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 58 transitions. [2023-11-12 00:04:51,573 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2023-11-12 00:04:51,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-12 00:04:51,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:51,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:51,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-12 00:04:51,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:51,813 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-12 00:04:52,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:52,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 64 transitions. [2023-11-12 00:04:52,176 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2023-11-12 00:04:52,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-12 00:04:52,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:52,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:52,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-12 00:04:52,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-12 00:04:52,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:52,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 58 states and 70 transitions. [2023-11-12 00:04:52,902 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 70 transitions. [2023-11-12 00:04:52,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-12 00:04:52,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:52,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:52,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-12 00:04:52,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-12 00:04:53,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:53,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 76 transitions. [2023-11-12 00:04:53,597 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 76 transitions. [2023-11-12 00:04:53,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-12 00:04:53,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:53,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:53,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-12 00:04:53,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:53,915 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-12 00:04:54,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:54,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 68 states and 82 transitions. [2023-11-12 00:04:54,377 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 82 transitions. [2023-11-12 00:04:54,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-12 00:04:54,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:54,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:54,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-12 00:04:54,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:54,696 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-11-12 00:04:55,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:55,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 88 transitions. [2023-11-12 00:04:55,153 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2023-11-12 00:04:55,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-12 00:04:55,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:55,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:55,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-12 00:04:55,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:55,494 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2023-11-12 00:04:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:55,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 78 states and 94 transitions. [2023-11-12 00:04:55,960 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2023-11-12 00:04:55,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-12 00:04:55,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:55,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:56,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-12 00:04:56,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:56,327 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2023-11-12 00:04:56,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:56,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 100 transitions. [2023-11-12 00:04:56,834 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2023-11-12 00:04:56,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-12 00:04:56,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:56,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:56,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-12 00:04:56,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:04:57,274 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2023-11-12 00:04:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:57,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 88 states and 106 transitions. [2023-11-12 00:04:57,737 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 106 transitions. [2023-11-12 00:04:57,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 00:04:57,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:57,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:57,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-12 00:04:57,840 INFO L285 TraceCheckSpWp]: Computing forward predicates...