./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad91e66-09a3-48fb-b8bb-666f02a02ac1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad91e66-09a3-48fb-b8bb-666f02a02ac1/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_aad91e66-09a3-48fb-b8bb-666f02a02ac1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad91e66-09a3-48fb-b8bb-666f02a02ac1/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad91e66-09a3-48fb-b8bb-666f02a02ac1/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_aad91e66-09a3-48fb-b8bb-666f02a02ac1/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 7cdbf1a1c8f20bea42ab4ad35fbada62352deeb8460cfeb3778e870071fb234e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:24,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:24,260 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad91e66-09a3-48fb-b8bb-666f02a02ac1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:10:24,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:24,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:24,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:24,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:24,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:24,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:24,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:24,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:24,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:24,297 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:10:24,298 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:24,298 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:10:24,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:24,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:24,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:24,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:24,301 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:10:24,302 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:10:24,305 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:10:24,307 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:24,307 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:24,308 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:24,309 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:24,310 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:24,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:24,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:24,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:24,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:24,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:24,314 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:24,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:24,314 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:24,314 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_aad91e66-09a3-48fb-b8bb-666f02a02ac1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad91e66-09a3-48fb-b8bb-666f02a02ac1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cdbf1a1c8f20bea42ab4ad35fbada62352deeb8460cfeb3778e870071fb234e [2023-11-24 22:10:24,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:24,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:24,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:24,643 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:24,643 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:24,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad91e66-09a3-48fb-b8bb-666f02a02ac1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c [2023-11-24 22:10:27,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:28,207 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:28,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad91e66-09a3-48fb-b8bb-666f02a02ac1/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c [2023-11-24 22:10:28,216 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad91e66-09a3-48fb-b8bb-666f02a02ac1/bin/ukojak-verify-afCqCEvfdi/data/ebf91568c/a9edf9c9eb7c48edbfff72cc861187c4/FLAGf49929a99 [2023-11-24 22:10:28,231 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad91e66-09a3-48fb-b8bb-666f02a02ac1/bin/ukojak-verify-afCqCEvfdi/data/ebf91568c/a9edf9c9eb7c48edbfff72cc861187c4 [2023-11-24 22:10:28,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:28,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:28,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:28,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:28,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:28,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:28" (1/1) ... [2023-11-24 22:10:28,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59515e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:28, skipping insertion in model container [2023-11-24 22:10:28,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:28" (1/1) ... [2023-11-24 22:10:28,281 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:28,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:28,489 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:28,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:28,527 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:28,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:28 WrapperNode [2023-11-24 22:10:28,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:28,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:28,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:28,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:28,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:28" (1/1) ... [2023-11-24 22:10:28,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:28" (1/1) ... [2023-11-24 22:10:28,576 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2023-11-24 22:10:28,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:28,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:28,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:28,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:28,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:28" (1/1) ... [2023-11-24 22:10:28,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:28" (1/1) ... [2023-11-24 22:10:28,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:28" (1/1) ... [2023-11-24 22:10:28,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:28" (1/1) ... [2023-11-24 22:10:28,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:28" (1/1) ... [2023-11-24 22:10:28,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:28" (1/1) ... [2023-11-24 22:10:28,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:28" (1/1) ... [2023-11-24 22:10:28,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:28" (1/1) ... [2023-11-24 22:10:28,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:28,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:28,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:28,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:28,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:28" (1/1) ... [2023-11-24 22:10:28,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:28,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad91e66-09a3-48fb-b8bb-666f02a02ac1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:28,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad91e66-09a3-48fb-b8bb-666f02a02ac1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:28,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad91e66-09a3-48fb-b8bb-666f02a02ac1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:10:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:10:28,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:10:28,781 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:28,783 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:29,160 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:29,232 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:29,232 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:10:29,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:29 BoogieIcfgContainer [2023-11-24 22:10:29,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:29,236 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:29,236 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:29,248 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:29,248 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:29,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:29,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2023-11-24 22:10:29,323 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2023-11-24 22:10:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:10:29,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:29,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:10:29,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:29,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 88 states and 99 transitions. [2023-11-24 22:10:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2023-11-24 22:10:29,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:10:29,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:29,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:29,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:10:29,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:29,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 89 states and 100 transitions. [2023-11-24 22:10:29,821 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2023-11-24 22:10:29,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:10:29,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:29,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:29,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:10:29,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:29,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:10:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:29,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 90 states and 102 transitions. [2023-11-24 22:10:29,982 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2023-11-24 22:10:29,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:10:29,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:29,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:30,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:10:30,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:30,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:10:30,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:30,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 95 states and 110 transitions. [2023-11-24 22:10:30,414 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2023-11-24 22:10:30,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:10:30,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:30,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:30,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:10:30,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:30,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:10:31,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:31,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 101 states and 120 transitions. [2023-11-24 22:10:31,097 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions. [2023-11-24 22:10:31,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:10:31,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:31,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:31,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:10:31,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:31,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:10:32,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:32,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 109 states and 134 transitions. [2023-11-24 22:10:32,030 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2023-11-24 22:10:32,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:10:32,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:32,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:32,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:10:32,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:32,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:10:33,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:33,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 118 states and 150 transitions. [2023-11-24 22:10:33,335 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 150 transitions. [2023-11-24 22:10:33,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:10:33,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:33,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:33,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:10:33,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:33,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:10:35,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:35,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 128 states and 167 transitions. [2023-11-24 22:10:35,123 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 167 transitions. [2023-11-24 22:10:35,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:10:35,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:35,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:35,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:10:35,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:35,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:10:36,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:36,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 139 states and 186 transitions. [2023-11-24 22:10:36,993 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 186 transitions. [2023-11-24 22:10:36,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:10:36,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:36,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:37,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:10:37,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:37,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:37,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:37,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 142 states and 192 transitions. [2023-11-24 22:10:37,216 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 192 transitions. [2023-11-24 22:10:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:10:37,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:37,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:37,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:10:37,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:37,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:37,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:37,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 146 states and 199 transitions. [2023-11-24 22:10:37,532 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 199 transitions. [2023-11-24 22:10:37,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:10:37,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:37,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:37,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:10:37,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:37,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:37,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 146 states and 198 transitions. [2023-11-24 22:10:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 198 transitions. [2023-11-24 22:10:37,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:10:37,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:37,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:37,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:10:37,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:39,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:39,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 160 states and 245 transitions. [2023-11-24 22:10:39,646 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 245 transitions. [2023-11-24 22:10:39,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:10:39,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:39,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:39,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:10:39,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:39,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:40,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:40,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 165 states and 254 transitions. [2023-11-24 22:10:40,875 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 254 transitions. [2023-11-24 22:10:40,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:10:40,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:40,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:40,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:10:40,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:41,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:43,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:43,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 179 states and 304 transitions. [2023-11-24 22:10:43,297 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 304 transitions. [2023-11-24 22:10:43,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:10:43,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:43,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:43,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:10:43,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:43,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:45,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:45,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 183 states and 310 transitions. [2023-11-24 22:10:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 310 transitions. [2023-11-24 22:10:45,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:10:45,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:45,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:45,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:10:45,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:45,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:45,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:45,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 184 states and 311 transitions. [2023-11-24 22:10:45,372 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 311 transitions. [2023-11-24 22:10:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:10:45,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:45,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:45,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:10:45,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:47,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:47,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 193 states and 330 transitions. [2023-11-24 22:10:47,771 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 330 transitions. [2023-11-24 22:10:47,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:10:47,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:47,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:47,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:10:47,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:48,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:10:51,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:51,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 203 states and 350 transitions. [2023-11-24 22:10:51,794 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 350 transitions. [2023-11-24 22:10:51,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:10:51,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:51,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:51,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:10:51,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:51,861 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:10:53,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:53,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 211 states and 367 transitions. [2023-11-24 22:10:53,699 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 367 transitions. [2023-11-24 22:10:53,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:10:53,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:53,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:53,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:10:53,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:53,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:11:05,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:05,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 220 states and 385 transitions. [2023-11-24 22:11:05,545 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 385 transitions. [2023-11-24 22:11:05,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:11:05,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:05,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:05,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:11:05,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:05,599 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:11:10,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:10,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 230 states and 404 transitions. [2023-11-24 22:11:10,807 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 404 transitions. [2023-11-24 22:11:10,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:11:10,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:10,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:10,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:11:10,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:10,867 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:11:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 241 states and 424 transitions. [2023-11-24 22:11:14,277 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 424 transitions. [2023-11-24 22:11:14,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:11:14,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:14,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:14,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:11:14,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:14,648 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:11:20,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:20,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 255 states and 458 transitions. [2023-11-24 22:11:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 458 transitions. [2023-11-24 22:11:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:11:20,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:20,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:20,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:11:20,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:11:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.