./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d036ed2-5ec3-46c1-b5a4-63169d2de910/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d036ed2-5ec3-46c1-b5a4-63169d2de910/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d036ed2-5ec3-46c1-b5a4-63169d2de910/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d036ed2-5ec3-46c1-b5a4-63169d2de910/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d036ed2-5ec3-46c1-b5a4-63169d2de910/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d036ed2-5ec3-46c1-b5a4-63169d2de910/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c54d9189042c7bc9bae976b882c7c0538c4797366038f58e7e5d207abe4f931e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:08:53,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:54,070 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d036ed2-5ec3-46c1-b5a4-63169d2de910/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:08:54,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:08:54,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:08:54,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:54,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:08:54,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:08:54,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:54,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:54,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:54,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:08:54,120 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:08:54,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:08:54,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:08:54,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:54,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:08:54,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:54,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:08:54,124 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:08:54,124 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:08:54,129 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:08:54,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:08:54,130 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:54,130 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:54,130 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:54,131 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:54,131 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:54,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:54,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:54,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:54,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:08:54,135 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:08:54,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:08:54,135 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:08:54,136 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_0d036ed2-5ec3-46c1-b5a4-63169d2de910/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d036ed2-5ec3-46c1-b5a4-63169d2de910/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c54d9189042c7bc9bae976b882c7c0538c4797366038f58e7e5d207abe4f931e [2023-11-24 23:08:54,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:54,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:54,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:54,462 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:54,463 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:54,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d036ed2-5ec3-46c1-b5a4-63169d2de910/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c [2023-11-24 23:08:57,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:57,775 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:57,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d036ed2-5ec3-46c1-b5a4-63169d2de910/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound50.c [2023-11-24 23:08:57,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d036ed2-5ec3-46c1-b5a4-63169d2de910/bin/ukojak-verify-afCqCEvfdi/data/d43c8db9a/84030e8b8e554bfdbf38cc19492a6004/FLAG44ed19341 [2023-11-24 23:08:57,801 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d036ed2-5ec3-46c1-b5a4-63169d2de910/bin/ukojak-verify-afCqCEvfdi/data/d43c8db9a/84030e8b8e554bfdbf38cc19492a6004 [2023-11-24 23:08:57,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:57,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:57,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:57,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:57,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:57,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:57" (1/1) ... [2023-11-24 23:08:57,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0dc295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:57, skipping insertion in model container [2023-11-24 23:08:57,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:57" (1/1) ... [2023-11-24 23:08:57,846 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:58,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:58,101 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:58,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:58,151 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:58,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:58 WrapperNode [2023-11-24 23:08:58,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:58,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:58,153 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:58,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:58,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:58" (1/1) ... [2023-11-24 23:08:58,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:58" (1/1) ... [2023-11-24 23:08:58,197 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-24 23:08:58,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:58,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:58,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:58,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:58,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:58" (1/1) ... [2023-11-24 23:08:58,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:58" (1/1) ... [2023-11-24 23:08:58,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:58" (1/1) ... [2023-11-24 23:08:58,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:58" (1/1) ... [2023-11-24 23:08:58,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:58" (1/1) ... [2023-11-24 23:08:58,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:58" (1/1) ... [2023-11-24 23:08:58,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:58" (1/1) ... [2023-11-24 23:08:58,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:58" (1/1) ... [2023-11-24 23:08:58,223 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:58,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:58,224 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:58,224 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:58,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:58" (1/1) ... [2023-11-24 23:08:58,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:58,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d036ed2-5ec3-46c1-b5a4-63169d2de910/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:58,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d036ed2-5ec3-46c1-b5a4-63169d2de910/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:58,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d036ed2-5ec3-46c1-b5a4-63169d2de910/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:58,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:58,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:08:58,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:58,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:58,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:08:58,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:08:58,396 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:58,398 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:58,739 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:58,820 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:58,820 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:08:58,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:58 BoogieIcfgContainer [2023-11-24 23:08:58,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:58,823 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:58,823 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:58,833 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:58,833 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:58" (1/1) ... [2023-11-24 23:08:58,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:58,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:58,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2023-11-24 23:08:58,893 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-11-24 23:08:58,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:08:58,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:58,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:59,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:08:59,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:59,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:59,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:59,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2023-11-24 23:08:59,124 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2023-11-24 23:08:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:08:59,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:59,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:59,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:59,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:59,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2023-11-24 23:08:59,333 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-24 23:08:59,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:08:59,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:59,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:59,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:59,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:59,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2023-11-24 23:08:59,557 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2023-11-24 23:08:59,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:59,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:59,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:59,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:08:59,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:59,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:59,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 53 states and 58 transitions. [2023-11-24 23:08:59,639 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2023-11-24 23:08:59,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:59,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:59,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:59,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:08:59,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:59,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:00,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:00,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2023-11-24 23:09:00,173 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2023-11-24 23:09:00,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:09:00,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:00,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:00,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:09:00,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:00,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:00,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:00,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 64 states and 76 transitions. [2023-11-24 23:09:00,947 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2023-11-24 23:09:00,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:09:00,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:00,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:00,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:00,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:01,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:02,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2023-11-24 23:09:02,073 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2023-11-24 23:09:02,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:09:02,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:02,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:02,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:02,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:02,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:03,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:03,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 79 states and 102 transitions. [2023-11-24 23:09:03,527 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2023-11-24 23:09:03,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:09:03,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:03,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:03,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:03,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:03,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:05,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:05,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 88 states and 118 transitions. [2023-11-24 23:09:05,586 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2023-11-24 23:09:05,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:09:05,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:05,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:05,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:05,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:09,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:09,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 98 states and 136 transitions. [2023-11-24 23:09:09,210 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2023-11-24 23:09:09,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:09:09,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:09,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:09,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:09,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:09,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:10,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:10,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 101 states and 142 transitions. [2023-11-24 23:09:10,237 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2023-11-24 23:09:10,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:09:10,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:10,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:10,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:10,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:10,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:11,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:11,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 103 states and 144 transitions. [2023-11-24 23:09:11,190 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2023-11-24 23:09:11,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:09:11,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:11,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:11,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:11,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:11,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:14,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:14,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 112 states and 163 transitions. [2023-11-24 23:09:14,371 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 163 transitions. [2023-11-24 23:09:14,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:09:14,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:14,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:14,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:14,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:16,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:16,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 119 states and 177 transitions. [2023-11-24 23:09:16,860 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 177 transitions. [2023-11-24 23:09:16,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:09:16,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:16,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:16,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:16,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:17,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:21,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:21,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 128 states and 196 transitions. [2023-11-24 23:09:21,173 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 196 transitions. [2023-11-24 23:09:21,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:09:21,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:21,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:21,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:21,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:21,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:24,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:24,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 135 states and 210 transitions. [2023-11-24 23:09:24,797 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 210 transitions. [2023-11-24 23:09:24,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:09:24,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:24,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:24,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:24,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:24,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:29,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:29,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 145 states and 230 transitions. [2023-11-24 23:09:29,512 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 230 transitions. [2023-11-24 23:09:29,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:09:29,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:29,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:29,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:29,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:29,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:31,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:31,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 147 states and 234 transitions. [2023-11-24 23:09:31,491 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 234 transitions. [2023-11-24 23:09:31,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:09:31,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:31,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:31,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:09:31,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:31,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:35,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:35,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 158 states and 263 transitions. [2023-11-24 23:09:35,345 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 263 transitions. [2023-11-24 23:09:35,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:09:35,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:35,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:35,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:35,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:37,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:37,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 162 states and 272 transitions. [2023-11-24 23:09:37,370 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 272 transitions. [2023-11-24 23:09:37,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:09:37,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:37,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:37,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:37,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:37,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:38,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:38,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 165 states and 277 transitions. [2023-11-24 23:09:38,575 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 277 transitions. [2023-11-24 23:09:38,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:09:38,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:38,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:38,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:38,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:38,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:42,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:42,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 182 states and 328 transitions. [2023-11-24 23:09:42,948 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 328 transitions. [2023-11-24 23:09:42,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:09:42,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:42,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:42,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:42,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:43,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:43,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:43,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 184 states and 331 transitions. [2023-11-24 23:09:43,827 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 331 transitions. [2023-11-24 23:09:43,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:43,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:43,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:43,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:43,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:44,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:48,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:48,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 202 states and 377 transitions. [2023-11-24 23:09:48,209 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 377 transitions. [2023-11-24 23:09:48,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:48,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:48,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:48,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:48,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:49,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:49,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 206 states and 387 transitions. [2023-11-24 23:09:49,314 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 387 transitions. [2023-11-24 23:09:49,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:09:49,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:49,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:49,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:09:49,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:49,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:50,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:50,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 207 states and 392 transitions. [2023-11-24 23:09:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 392 transitions. [2023-11-24 23:09:50,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:09:50,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:50,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:50,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:09:50,150 INFO L285 TraceCheckSpWp]: Computing forward predicates...