./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_0e5c301b-c89a-4a0c-8117-9cdded0196c6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5c301b-c89a-4a0c-8117-9cdded0196c6/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_0e5c301b-c89a-4a0c-8117-9cdded0196c6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5c301b-c89a-4a0c-8117-9cdded0196c6/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5c301b-c89a-4a0c-8117-9cdded0196c6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5c301b-c89a-4a0c-8117-9cdded0196c6/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5bfe5681b6d73d5859a119345279b9da165675f4eb4d814fdf24f92881f7a27f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:06,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:06,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5c301b-c89a-4a0c-8117-9cdded0196c6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:09:06,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:06,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:06,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:06,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:06,576 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:06,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:06,578 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:06,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:06,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:06,580 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:09:06,581 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:06,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:09:06,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:06,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:06,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:06,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:06,585 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:09:06,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:06,587 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:06,588 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:06,589 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:06,589 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:06,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:06,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:06,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:06,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:06,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:06,593 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:06,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:06,594 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:06,595 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_0e5c301b-c89a-4a0c-8117-9cdded0196c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5c301b-c89a-4a0c-8117-9cdded0196c6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bfe5681b6d73d5859a119345279b9da165675f4eb4d814fdf24f92881f7a27f [2023-11-24 23:09:06,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:06,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:06,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:06,967 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:06,968 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:06,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5c301b-c89a-4a0c-8117-9cdded0196c6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c [2023-11-24 23:09:10,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:10,943 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:10,944 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5c301b-c89a-4a0c-8117-9cdded0196c6/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c [2023-11-24 23:09:10,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5c301b-c89a-4a0c-8117-9cdded0196c6/bin/ukojak-verify-afCqCEvfdi/data/de51e2248/e125960cff3444a6bdb56a47c36396a8/FLAG984655d3c [2023-11-24 23:09:10,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5c301b-c89a-4a0c-8117-9cdded0196c6/bin/ukojak-verify-afCqCEvfdi/data/de51e2248/e125960cff3444a6bdb56a47c36396a8 [2023-11-24 23:09:10,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:10,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:10,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:10,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:10,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:10,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:10" (1/1) ... [2023-11-24 23:09:10,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b9761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:10, skipping insertion in model container [2023-11-24 23:09:10,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:10" (1/1) ... [2023-11-24 23:09:11,028 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:11,274 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5c301b-c89a-4a0c-8117-9cdded0196c6/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c[458,471] [2023-11-24 23:09:11,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:11,335 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:11,351 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5c301b-c89a-4a0c-8117-9cdded0196c6/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c[458,471] [2023-11-24 23:09:11,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:11,388 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:11,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:11 WrapperNode [2023-11-24 23:09:11,389 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:11,390 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:11,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:11,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:11,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:11" (1/1) ... [2023-11-24 23:09:11,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:11" (1/1) ... [2023-11-24 23:09:11,448 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2023-11-24 23:09:11,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:11,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:11,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:11,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:11,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:11" (1/1) ... [2023-11-24 23:09:11,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:11" (1/1) ... [2023-11-24 23:09:11,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:11" (1/1) ... [2023-11-24 23:09:11,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:11" (1/1) ... [2023-11-24 23:09:11,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:11" (1/1) ... [2023-11-24 23:09:11,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:11" (1/1) ... [2023-11-24 23:09:11,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:11" (1/1) ... [2023-11-24 23:09:11,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:11" (1/1) ... [2023-11-24 23:09:11,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:11,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:11,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:11,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:11,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:11" (1/1) ... [2023-11-24 23:09:11,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:11,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5c301b-c89a-4a0c-8117-9cdded0196c6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:11,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5c301b-c89a-4a0c-8117-9cdded0196c6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:11,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e5c301b-c89a-4a0c-8117-9cdded0196c6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:09:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:09:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:09:11,665 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:11,667 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:11,895 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:11,953 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:11,953 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:09:11,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:11 BoogieIcfgContainer [2023-11-24 23:09:11,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:11,956 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:11,956 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:11,967 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:11,968 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:11" (1/1) ... [2023-11-24 23:09:11,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:09:12,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:12,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-24 23:09:12,050 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-24 23:09:12,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:09:12,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:12,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:12,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:09:12,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:12,224 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 23:09:12,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:12,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-24 23:09:12,247 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-24 23:09:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:09:12,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:12,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:12,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:12,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:12,364 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 23:09:12,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:12,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-24 23:09:12,404 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-24 23:09:12,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:09:12,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:12,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:12,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:09:12,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:12,521 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 23:09:12,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:12,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-24 23:09:12,936 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-24 23:09:12,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:09:12,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:12,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:13,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:09:13,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:13,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:13,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:13,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-11-24 23:09:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-11-24 23:09:13,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:09:13,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:13,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:13,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:09:13,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:13,847 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:14,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:14,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2023-11-24 23:09:14,557 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-11-24 23:09:14,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:09:14,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:14,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:14,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:09:14,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:15,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:15,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2023-11-24 23:09:15,727 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2023-11-24 23:09:15,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:09:15,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:15,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:15,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:09:15,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:15,829 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:16,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:16,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2023-11-24 23:09:16,229 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2023-11-24 23:09:16,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:09:16,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:16,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:16,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:09:16,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:16,359 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:09:16,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:16,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2023-11-24 23:09:16,466 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2023-11-24 23:09:16,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:16,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:16,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:16,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:09:16,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:16,632 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:17,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 46 states and 99 transitions. [2023-11-24 23:09:17,865 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 99 transitions. [2023-11-24 23:09:17,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:17,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:17,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:17,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:09:17,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:18,092 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:09:19,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:19,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 50 states and 113 transitions. [2023-11-24 23:09:19,217 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 113 transitions. [2023-11-24 23:09:19,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:19,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:19,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:19,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:09:19,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:19,368 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:09:19,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:19,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 52 states and 114 transitions. [2023-11-24 23:09:19,955 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 114 transitions. [2023-11-24 23:09:19,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:19,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:19,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:20,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:09:20,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:20,052 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:21,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:21,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 129 transitions. [2023-11-24 23:09:21,027 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 129 transitions. [2023-11-24 23:09:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:21,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:21,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:21,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:09:21,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:21,163 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:09:34,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-24 23:09:35,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:35,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 58 states and 130 transitions. [2023-11-24 23:09:35,002 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 130 transitions. [2023-11-24 23:09:35,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:09:35,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:35,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:35,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 23:09:35,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:35,344 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:37,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:37,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 68 states and 171 transitions. [2023-11-24 23:09:37,648 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 171 transitions. [2023-11-24 23:09:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:09:37,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:37,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:37,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 23:09:37,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:37,750 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:38,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:38,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 70 states and 173 transitions. [2023-11-24 23:09:38,328 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 173 transitions. [2023-11-24 23:09:38,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:09:38,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:38,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:38,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:09:38,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:38,627 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:53,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 14.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-24 23:09:54,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:54,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 74 states and 188 transitions. [2023-11-24 23:09:54,866 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 188 transitions. [2023-11-24 23:09:54,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:09:54,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:54,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:55,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:09:55,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:55,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 76 states and 189 transitions. [2023-11-24 23:09:55,878 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 189 transitions. [2023-11-24 23:09:55,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:09:55,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:55,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:55,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:09:55,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:56,064 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:56,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:56,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 78 states and 190 transitions. [2023-11-24 23:09:56,903 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 190 transitions. [2023-11-24 23:09:56,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:09:56,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:56,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:56,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:09:56,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:57,181 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:00,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:00,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 235 transitions. [2023-11-24 23:10:00,262 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 235 transitions. [2023-11-24 23:10:00,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:10:00,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:00,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:00,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:10:00,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:00,464 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:01,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:01,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 89 states and 238 transitions. [2023-11-24 23:10:01,937 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 238 transitions. [2023-11-24 23:10:01,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:10:01,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:01,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:01,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:10:01,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:02,042 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:02,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 89 states and 237 transitions. [2023-11-24 23:10:02,464 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 237 transitions. [2023-11-24 23:10:02,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:10:02,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:02,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:02,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:10:02,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:02,604 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:03,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:03,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 89 states and 236 transitions. [2023-11-24 23:10:03,004 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 236 transitions. [2023-11-24 23:10:03,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:10:03,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:03,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:03,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:10:03,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:03,569 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:10:08,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:08,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 99 states and 287 transitions. [2023-11-24 23:10:08,047 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 287 transitions. [2023-11-24 23:10:08,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:10:08,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:08,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:08,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:10:08,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:08,221 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:10:09,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:09,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 102 states and 290 transitions. [2023-11-24 23:10:09,609 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 290 transitions. [2023-11-24 23:10:09,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:10:09,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:09,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:09,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:10:09,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:09,748 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.