./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label53.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_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label53.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 536fb035d928713a90d5c84a48f9ef94bf2f10bc408883dd0d7e11d670c7e07b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:23:51,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:23:51,290 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:23:51,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:23:51,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:23:51,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:23:51,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:23:51,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:23:51,319 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:23:51,319 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:23:51,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:23:51,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:23:51,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:23:51,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:23:51,322 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:23:51,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:23:51,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:23:51,324 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:23:51,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:23:51,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:23:51,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:23:51,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:23:51,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:23:51,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:23:51,327 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:23:51,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:23:51,327 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:23:51,328 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:23:51,328 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:23:51,328 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:23:51,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:23:51,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:23:51,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:23:51,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:23:51,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:23:51,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:23:51,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:23:51,331 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:23:51,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:23:51,331 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:23:51,331 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:23:51,332 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:23:51,332 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 536fb035d928713a90d5c84a48f9ef94bf2f10bc408883dd0d7e11d670c7e07b [2023-11-29 04:23:51,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:23:51,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:23:51,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:23:51,571 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:23:51,571 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:23:51,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/eca-rers2012/Problem11_label53.c [2023-11-29 04:23:54,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:23:54,621 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:23:54,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/sv-benchmarks/c/eca-rers2012/Problem11_label53.c [2023-11-29 04:23:54,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/data/0e1e2ff60/349e1330a174456bb3e5f71901961b62/FLAG5da667214 [2023-11-29 04:23:54,646 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/data/0e1e2ff60/349e1330a174456bb3e5f71901961b62 [2023-11-29 04:23:54,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:23:54,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:23:54,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:23:54,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:23:54,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:23:54,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:23:54" (1/1) ... [2023-11-29 04:23:54,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d56d4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:54, skipping insertion in model container [2023-11-29 04:23:54,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:23:54" (1/1) ... [2023-11-29 04:23:54,709 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:23:54,880 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_a62c15a6-9cff-4faf-9571-7e7e4398605d/sv-benchmarks/c/eca-rers2012/Problem11_label53.c[6841,6854] [2023-11-29 04:23:55,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:23:55,099 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:23:55,127 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_a62c15a6-9cff-4faf-9571-7e7e4398605d/sv-benchmarks/c/eca-rers2012/Problem11_label53.c[6841,6854] [2023-11-29 04:23:55,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:23:55,296 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:23:55,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:55 WrapperNode [2023-11-29 04:23:55,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:23:55,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:23:55,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:23:55,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:23:55,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:55" (1/1) ... [2023-11-29 04:23:55,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:55" (1/1) ... [2023-11-29 04:23:55,402 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000 [2023-11-29 04:23:55,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:23:55,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:23:55,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:23:55,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:23:55,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:55" (1/1) ... [2023-11-29 04:23:55,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:55" (1/1) ... [2023-11-29 04:23:55,422 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:55" (1/1) ... [2023-11-29 04:23:55,462 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 04:23:55,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:55" (1/1) ... [2023-11-29 04:23:55,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:55" (1/1) ... [2023-11-29 04:23:55,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:55" (1/1) ... [2023-11-29 04:23:55,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:55" (1/1) ... [2023-11-29 04:23:55,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:55" (1/1) ... [2023-11-29 04:23:55,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:55" (1/1) ... [2023-11-29 04:23:55,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:23:55,553 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:23:55,553 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:23:55,553 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:23:55,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:55" (1/1) ... [2023-11-29 04:23:55,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:23:55,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:23:55,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:23:55,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:23:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:23:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:23:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:23:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:23:55,686 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:23:55,689 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:23:57,154 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:23:57,209 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:23:57,210 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:23:57,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:23:57 BoogieIcfgContainer [2023-11-29 04:23:57,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:23:57,213 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:23:57,213 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:23:57,216 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:23:57,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:23:54" (1/3) ... [2023-11-29 04:23:57,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a573b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:23:57, skipping insertion in model container [2023-11-29 04:23:57,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:23:55" (2/3) ... [2023-11-29 04:23:57,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a573b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:23:57, skipping insertion in model container [2023-11-29 04:23:57,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:23:57" (3/3) ... [2023-11-29 04:23:57,218 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label53.c [2023-11-29 04:23:57,236 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:23:57,237 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:23:57,289 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:23:57,296 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2f56571d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:23:57,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:23:57,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:23:57,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-29 04:23:57,309 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:57,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:57,310 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:57,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:57,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1665554782, now seen corresponding path program 1 times [2023-11-29 04:23:57,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:57,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257075451] [2023-11-29 04:23:57,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:57,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:23:57,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:57,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257075451] [2023-11-29 04:23:57,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257075451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:57,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:57,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:23:57,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032736160] [2023-11-29 04:23:57,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:57,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:23:57,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:57,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:23:57,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:23:57,530 INFO L87 Difference]: Start difference. First operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:23:57,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:57,576 INFO L93 Difference]: Finished difference Result 441 states and 839 transitions. [2023-11-29 04:23:57,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:23:57,578 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2023-11-29 04:23:57,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:57,589 INFO L225 Difference]: With dead ends: 441 [2023-11-29 04:23:57,589 INFO L226 Difference]: Without dead ends: 219 [2023-11-29 04:23:57,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:23:57,596 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:57,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:23:57,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-11-29 04:23:57,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2023-11-29 04:23:57,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 218 states have (on average 1.628440366972477) internal successors, (355), 218 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:23:57,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 355 transitions. [2023-11-29 04:23:57,644 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 355 transitions. Word has length 46 [2023-11-29 04:23:57,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:57,645 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 355 transitions. [2023-11-29 04:23:57,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:23:57,645 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 355 transitions. [2023-11-29 04:23:57,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-29 04:23:57,646 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:57,647 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:57,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:23:57,647 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:57,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:57,648 INFO L85 PathProgramCache]: Analyzing trace with hash 464745230, now seen corresponding path program 1 times [2023-11-29 04:23:57,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:57,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597232947] [2023-11-29 04:23:57,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:57,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:57,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:23:57,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:57,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597232947] [2023-11-29 04:23:57,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597232947] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:57,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:57,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:23:57,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342047866] [2023-11-29 04:23:57,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:57,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:23:57,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:57,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:23:57,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:23:57,795 INFO L87 Difference]: Start difference. First operand 219 states and 355 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:23:58,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:58,711 INFO L93 Difference]: Finished difference Result 639 states and 1042 transitions. [2023-11-29 04:23:58,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:23:58,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2023-11-29 04:23:58,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:58,717 INFO L225 Difference]: With dead ends: 639 [2023-11-29 04:23:58,717 INFO L226 Difference]: Without dead ends: 421 [2023-11-29 04:23:58,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:23:58,720 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 165 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:58,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 120 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 04:23:58,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2023-11-29 04:23:58,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 411. [2023-11-29 04:23:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.524390243902439) internal successors, (625), 410 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:23:58,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 625 transitions. [2023-11-29 04:23:58,750 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 625 transitions. Word has length 46 [2023-11-29 04:23:58,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:58,751 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 625 transitions. [2023-11-29 04:23:58,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:23:58,751 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 625 transitions. [2023-11-29 04:23:58,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 04:23:58,756 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:58,757 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:58,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:23:58,757 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:58,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:58,758 INFO L85 PathProgramCache]: Analyzing trace with hash -363091472, now seen corresponding path program 1 times [2023-11-29 04:23:58,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:58,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992856138] [2023-11-29 04:23:58,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:58,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:58,900 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:23:58,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:58,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992856138] [2023-11-29 04:23:58,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992856138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:58,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:58,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:23:58,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362431410] [2023-11-29 04:23:58,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:58,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:23:58,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:58,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:23:58,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:23:58,904 INFO L87 Difference]: Start difference. First operand 411 states and 625 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:23:59,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:59,654 INFO L93 Difference]: Finished difference Result 1193 states and 1820 transitions. [2023-11-29 04:23:59,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:23:59,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2023-11-29 04:23:59,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:59,659 INFO L225 Difference]: With dead ends: 1193 [2023-11-29 04:23:59,659 INFO L226 Difference]: Without dead ends: 783 [2023-11-29 04:23:59,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:23:59,663 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 175 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:59,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 152 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 04:23:59,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2023-11-29 04:23:59,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783. [2023-11-29 04:23:59,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 783 states, 782 states have (on average 1.3746803069053708) internal successors, (1075), 782 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:23:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1075 transitions. [2023-11-29 04:23:59,693 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1075 transitions. Word has length 112 [2023-11-29 04:23:59,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:59,694 INFO L495 AbstractCegarLoop]: Abstraction has 783 states and 1075 transitions. [2023-11-29 04:23:59,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:23:59,694 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1075 transitions. [2023-11-29 04:23:59,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-29 04:23:59,697 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:59,697 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:59,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:23:59,698 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:59,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:59,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1030547974, now seen corresponding path program 1 times [2023-11-29 04:23:59,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:59,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273054432] [2023-11-29 04:23:59,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:59,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:00,039 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:00,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:00,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273054432] [2023-11-29 04:24:00,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273054432] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:00,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:00,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:24:00,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931790155] [2023-11-29 04:24:00,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:00,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:00,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:00,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:00,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:00,042 INFO L87 Difference]: Start difference. First operand 783 states and 1075 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:00,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:00,765 INFO L93 Difference]: Finished difference Result 1935 states and 2598 transitions. [2023-11-29 04:24:00,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:00,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2023-11-29 04:24:00,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:00,773 INFO L225 Difference]: With dead ends: 1935 [2023-11-29 04:24:00,773 INFO L226 Difference]: Without dead ends: 1153 [2023-11-29 04:24:00,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:00,775 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:00,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 188 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 04:24:00,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2023-11-29 04:24:00,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1152. [2023-11-29 04:24:00,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1151 states have (on average 1.2701998262380538) internal successors, (1462), 1151 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:00,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1462 transitions. [2023-11-29 04:24:00,805 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1462 transitions. Word has length 116 [2023-11-29 04:24:00,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:00,806 INFO L495 AbstractCegarLoop]: Abstraction has 1152 states and 1462 transitions. [2023-11-29 04:24:00,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:00,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1462 transitions. [2023-11-29 04:24:00,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-29 04:24:00,809 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:00,809 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:00,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:24:00,810 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:00,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:00,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1668799311, now seen corresponding path program 1 times [2023-11-29 04:24:00,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:00,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178100058] [2023-11-29 04:24:00,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:00,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:01,073 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:01,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:01,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178100058] [2023-11-29 04:24:01,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178100058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:01,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:01,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:24:01,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142940185] [2023-11-29 04:24:01,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:01,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:01,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:01,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:01,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:01,076 INFO L87 Difference]: Start difference. First operand 1152 states and 1462 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:01,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:01,894 INFO L93 Difference]: Finished difference Result 2678 states and 3480 transitions. [2023-11-29 04:24:01,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:01,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 158 [2023-11-29 04:24:01,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:01,903 INFO L225 Difference]: With dead ends: 2678 [2023-11-29 04:24:01,903 INFO L226 Difference]: Without dead ends: 1711 [2023-11-29 04:24:01,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:01,906 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 159 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:01,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 329 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 04:24:01,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2023-11-29 04:24:01,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1520. [2023-11-29 04:24:01,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1520 states, 1519 states have (on average 1.2560895325872283) internal successors, (1908), 1519 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:01,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1520 states and 1908 transitions. [2023-11-29 04:24:01,935 INFO L78 Accepts]: Start accepts. Automaton has 1520 states and 1908 transitions. Word has length 158 [2023-11-29 04:24:01,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:01,936 INFO L495 AbstractCegarLoop]: Abstraction has 1520 states and 1908 transitions. [2023-11-29 04:24:01,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:01,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 1908 transitions. [2023-11-29 04:24:01,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-11-29 04:24:01,940 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:01,940 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:01,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:24:01,941 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:01,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:01,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1876285091, now seen corresponding path program 1 times [2023-11-29 04:24:01,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:01,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157702358] [2023-11-29 04:24:01,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:01,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:02,175 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-29 04:24:02,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:02,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157702358] [2023-11-29 04:24:02,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157702358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:02,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:02,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:24:02,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752633759] [2023-11-29 04:24:02,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:02,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:02,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:02,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:02,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:02,178 INFO L87 Difference]: Start difference. First operand 1520 states and 1908 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:03,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:03,101 INFO L93 Difference]: Finished difference Result 3596 states and 4558 transitions. [2023-11-29 04:24:03,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:03,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 228 [2023-11-29 04:24:03,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:03,113 INFO L225 Difference]: With dead ends: 3596 [2023-11-29 04:24:03,113 INFO L226 Difference]: Without dead ends: 2077 [2023-11-29 04:24:03,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:03,116 INFO L413 NwaCegarLoop]: 368 mSDtfsCounter, 150 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:03,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 388 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 04:24:03,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2077 states. [2023-11-29 04:24:03,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2077 to 1888. [2023-11-29 04:24:03,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1888 states, 1887 states have (on average 1.2474827768945416) internal successors, (2354), 1887 states have internal predecessors, (2354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:03,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 1888 states and 2354 transitions. [2023-11-29 04:24:03,160 INFO L78 Accepts]: Start accepts. Automaton has 1888 states and 2354 transitions. Word has length 228 [2023-11-29 04:24:03,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:03,161 INFO L495 AbstractCegarLoop]: Abstraction has 1888 states and 2354 transitions. [2023-11-29 04:24:03,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:03,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 2354 transitions. [2023-11-29 04:24:03,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-11-29 04:24:03,167 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:03,167 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:03,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:24:03,168 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:03,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:03,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1297156318, now seen corresponding path program 1 times [2023-11-29 04:24:03,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:03,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984214569] [2023-11-29 04:24:03,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:03,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:03,539 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:03,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:03,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984214569] [2023-11-29 04:24:03,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984214569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:03,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:03,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:24:03,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264836221] [2023-11-29 04:24:03,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:03,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:03,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:03,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:03,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:03,543 INFO L87 Difference]: Start difference. First operand 1888 states and 2354 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:04,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:04,472 INFO L93 Difference]: Finished difference Result 5074 states and 6325 transitions. [2023-11-29 04:24:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:04,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 255 [2023-11-29 04:24:04,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:04,489 INFO L225 Difference]: With dead ends: 5074 [2023-11-29 04:24:04,490 INFO L226 Difference]: Without dead ends: 3187 [2023-11-29 04:24:04,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:04,493 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 120 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:04,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 140 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 04:24:04,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3187 states. [2023-11-29 04:24:04,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3187 to 3185. [2023-11-29 04:24:04,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3185 states, 3184 states have (on average 1.2157663316582914) internal successors, (3871), 3184 states have internal predecessors, (3871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:04,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 3185 states and 3871 transitions. [2023-11-29 04:24:04,565 INFO L78 Accepts]: Start accepts. Automaton has 3185 states and 3871 transitions. Word has length 255 [2023-11-29 04:24:04,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:04,565 INFO L495 AbstractCegarLoop]: Abstraction has 3185 states and 3871 transitions. [2023-11-29 04:24:04,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:04,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 3871 transitions. [2023-11-29 04:24:04,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2023-11-29 04:24:04,571 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:04,571 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:04,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:24:04,572 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:04,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:04,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1208941470, now seen corresponding path program 1 times [2023-11-29 04:24:04,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:04,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178359882] [2023-11-29 04:24:04,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:04,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:05,034 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-29 04:24:05,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:05,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178359882] [2023-11-29 04:24:05,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178359882] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:05,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:05,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:24:05,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285127281] [2023-11-29 04:24:05,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:05,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:05,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:05,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:05,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:05,037 INFO L87 Difference]: Start difference. First operand 3185 states and 3871 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:05,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:05,807 INFO L93 Difference]: Finished difference Result 6927 states and 8406 transitions. [2023-11-29 04:24:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:05,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 264 [2023-11-29 04:24:05,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:05,823 INFO L225 Difference]: With dead ends: 6927 [2023-11-29 04:24:05,823 INFO L226 Difference]: Without dead ends: 3743 [2023-11-29 04:24:05,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:05,827 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 172 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:05,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 138 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 04:24:05,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3743 states. [2023-11-29 04:24:05,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3743 to 3185. [2023-11-29 04:24:05,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3185 states, 3184 states have (on average 1.2157663316582914) internal successors, (3871), 3184 states have internal predecessors, (3871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:05,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 3185 states and 3871 transitions. [2023-11-29 04:24:05,875 INFO L78 Accepts]: Start accepts. Automaton has 3185 states and 3871 transitions. Word has length 264 [2023-11-29 04:24:05,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:05,876 INFO L495 AbstractCegarLoop]: Abstraction has 3185 states and 3871 transitions. [2023-11-29 04:24:05,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:05,876 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 3871 transitions. [2023-11-29 04:24:05,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-11-29 04:24:05,880 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:05,880 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:05,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:24:05,880 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:05,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:05,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1438832667, now seen corresponding path program 1 times [2023-11-29 04:24:05,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:05,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234263531] [2023-11-29 04:24:05,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:05,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:06,492 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:06,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:06,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234263531] [2023-11-29 04:24:06,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234263531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:06,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:06,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:24:06,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709762415] [2023-11-29 04:24:06,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:06,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:24:06,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:06,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:24:06,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:24:06,495 INFO L87 Difference]: Start difference. First operand 3185 states and 3871 transitions. Second operand has 5 states, 5 states have (on average 53.0) internal successors, (265), 4 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:08,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:08,252 INFO L93 Difference]: Finished difference Result 11356 states and 13865 transitions. [2023-11-29 04:24:08,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:24:08,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.0) internal successors, (265), 4 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 265 [2023-11-29 04:24:08,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:08,285 INFO L225 Difference]: With dead ends: 11356 [2023-11-29 04:24:08,286 INFO L226 Difference]: Without dead ends: 8172 [2023-11-29 04:24:08,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:24:08,290 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 372 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1585 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 1895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 1585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:08,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 126 Invalid, 1895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [310 Valid, 1585 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 04:24:08,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8172 states. [2023-11-29 04:24:08,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8172 to 7977. [2023-11-29 04:24:08,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7977 states, 7976 states have (on average 1.184679037111334) internal successors, (9449), 7976 states have internal predecessors, (9449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:08,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7977 states to 7977 states and 9449 transitions. [2023-11-29 04:24:08,411 INFO L78 Accepts]: Start accepts. Automaton has 7977 states and 9449 transitions. Word has length 265 [2023-11-29 04:24:08,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:08,412 INFO L495 AbstractCegarLoop]: Abstraction has 7977 states and 9449 transitions. [2023-11-29 04:24:08,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.0) internal successors, (265), 4 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:08,413 INFO L276 IsEmpty]: Start isEmpty. Operand 7977 states and 9449 transitions. [2023-11-29 04:24:08,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-11-29 04:24:08,418 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:08,418 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:08,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:24:08,419 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:08,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:08,419 INFO L85 PathProgramCache]: Analyzing trace with hash 676468911, now seen corresponding path program 1 times [2023-11-29 04:24:08,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:08,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83475837] [2023-11-29 04:24:08,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:08,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:08,695 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:08,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:08,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83475837] [2023-11-29 04:24:08,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83475837] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:08,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:08,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:24:08,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458784313] [2023-11-29 04:24:08,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:08,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:08,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:08,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:08,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:08,697 INFO L87 Difference]: Start difference. First operand 7977 states and 9449 transitions. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:09,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:09,402 INFO L93 Difference]: Finished difference Result 15583 states and 18509 transitions. [2023-11-29 04:24:09,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:09,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 270 [2023-11-29 04:24:09,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:09,432 INFO L225 Difference]: With dead ends: 15583 [2023-11-29 04:24:09,432 INFO L226 Difference]: Without dead ends: 7975 [2023-11-29 04:24:09,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:09,439 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 136 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:09,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 301 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 04:24:09,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7975 states. [2023-11-29 04:24:09,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7975 to 7791. [2023-11-29 04:24:09,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7791 states, 7790 states have (on average 1.1453145057766367) internal successors, (8922), 7790 states have internal predecessors, (8922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:09,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7791 states to 7791 states and 8922 transitions. [2023-11-29 04:24:09,586 INFO L78 Accepts]: Start accepts. Automaton has 7791 states and 8922 transitions. Word has length 270 [2023-11-29 04:24:09,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:09,586 INFO L495 AbstractCegarLoop]: Abstraction has 7791 states and 8922 transitions. [2023-11-29 04:24:09,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:09,587 INFO L276 IsEmpty]: Start isEmpty. Operand 7791 states and 8922 transitions. [2023-11-29 04:24:09,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-11-29 04:24:09,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:09,628 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:09,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 04:24:09,628 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:09,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:09,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1933305162, now seen corresponding path program 1 times [2023-11-29 04:24:09,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:09,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782784207] [2023-11-29 04:24:09,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:09,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:10,101 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:10,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:10,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782784207] [2023-11-29 04:24:10,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782784207] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:10,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:10,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:24:10,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699814180] [2023-11-29 04:24:10,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:10,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:24:10,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:10,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:24:10,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:24:10,104 INFO L87 Difference]: Start difference. First operand 7791 states and 8922 transitions. Second operand has 4 states, 4 states have (on average 70.5) internal successors, (282), 4 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:11,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:11,326 INFO L93 Difference]: Finished difference Result 17059 states and 19557 transitions. [2023-11-29 04:24:11,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:24:11,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.5) internal successors, (282), 4 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 282 [2023-11-29 04:24:11,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:11,348 INFO L225 Difference]: With dead ends: 17059 [2023-11-29 04:24:11,349 INFO L226 Difference]: Without dead ends: 9637 [2023-11-29 04:24:11,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:24:11,356 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 269 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:11,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 93 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1038 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 04:24:11,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9637 states. [2023-11-29 04:24:11,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9637 to 9631. [2023-11-29 04:24:11,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9631 states, 9630 states have (on average 1.1318795430944963) internal successors, (10900), 9630 states have internal predecessors, (10900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:11,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9631 states to 9631 states and 10900 transitions. [2023-11-29 04:24:11,462 INFO L78 Accepts]: Start accepts. Automaton has 9631 states and 10900 transitions. Word has length 282 [2023-11-29 04:24:11,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:11,462 INFO L495 AbstractCegarLoop]: Abstraction has 9631 states and 10900 transitions. [2023-11-29 04:24:11,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.5) internal successors, (282), 4 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:11,463 INFO L276 IsEmpty]: Start isEmpty. Operand 9631 states and 10900 transitions. [2023-11-29 04:24:11,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2023-11-29 04:24:11,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:11,470 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:11,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 04:24:11,470 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:11,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:11,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1446416122, now seen corresponding path program 1 times [2023-11-29 04:24:11,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:11,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826002592] [2023-11-29 04:24:11,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:11,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:11,755 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-11-29 04:24:11,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:11,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826002592] [2023-11-29 04:24:11,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826002592] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:11,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:11,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:24:11,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306835536] [2023-11-29 04:24:11,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:11,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:11,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:11,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:11,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:11,758 INFO L87 Difference]: Start difference. First operand 9631 states and 10900 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:12,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:12,514 INFO L93 Difference]: Finished difference Result 19630 states and 22246 transitions. [2023-11-29 04:24:12,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:12,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 314 [2023-11-29 04:24:12,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:12,527 INFO L225 Difference]: With dead ends: 19630 [2023-11-29 04:24:12,527 INFO L226 Difference]: Without dead ends: 10368 [2023-11-29 04:24:12,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:12,534 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 171 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:12,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 122 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 04:24:12,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10368 states. [2023-11-29 04:24:12,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10368 to 8887. [2023-11-29 04:24:12,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8887 states, 8886 states have (on average 1.1302048165653837) internal successors, (10043), 8886 states have internal predecessors, (10043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:12,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 10043 transitions. [2023-11-29 04:24:12,630 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 10043 transitions. Word has length 314 [2023-11-29 04:24:12,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:12,631 INFO L495 AbstractCegarLoop]: Abstraction has 8887 states and 10043 transitions. [2023-11-29 04:24:12,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:12,631 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 10043 transitions. [2023-11-29 04:24:12,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-11-29 04:24:12,644 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:12,645 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:12,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 04:24:12,645 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:12,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:12,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1261370753, now seen corresponding path program 1 times [2023-11-29 04:24:12,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:12,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979244945] [2023-11-29 04:24:12,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:12,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:12,992 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-29 04:24:12,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:12,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979244945] [2023-11-29 04:24:12,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979244945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:12,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:12,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:24:12,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919963901] [2023-11-29 04:24:12,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:12,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:12,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:12,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:12,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:12,996 INFO L87 Difference]: Start difference. First operand 8887 states and 10043 transitions. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:13,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:13,786 INFO L93 Difference]: Finished difference Result 18333 states and 20775 transitions. [2023-11-29 04:24:13,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:13,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 411 [2023-11-29 04:24:13,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:13,799 INFO L225 Difference]: With dead ends: 18333 [2023-11-29 04:24:13,799 INFO L226 Difference]: Without dead ends: 9815 [2023-11-29 04:24:13,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:13,806 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 65 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:13,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 360 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 04:24:13,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9815 states. [2023-11-29 04:24:13,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9815 to 9812. [2023-11-29 04:24:13,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9812 states, 9811 states have (on average 1.1272041585974926) internal successors, (11059), 9811 states have internal predecessors, (11059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:13,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9812 states to 9812 states and 11059 transitions. [2023-11-29 04:24:13,960 INFO L78 Accepts]: Start accepts. Automaton has 9812 states and 11059 transitions. Word has length 411 [2023-11-29 04:24:13,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:13,960 INFO L495 AbstractCegarLoop]: Abstraction has 9812 states and 11059 transitions. [2023-11-29 04:24:13,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:13,961 INFO L276 IsEmpty]: Start isEmpty. Operand 9812 states and 11059 transitions. [2023-11-29 04:24:13,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2023-11-29 04:24:13,969 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:13,969 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:13,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 04:24:13,969 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:13,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:13,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1605510508, now seen corresponding path program 1 times [2023-11-29 04:24:13,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:13,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54059623] [2023-11-29 04:24:13,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:13,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:15,004 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 462 proven. 78 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-29 04:24:15,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:15,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54059623] [2023-11-29 04:24:15,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54059623] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:24:15,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201445098] [2023-11-29 04:24:15,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:15,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:24:15,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:24:15,006 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:24:15,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:24:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:15,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:24:15,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:24:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-11-29 04:24:15,548 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:24:15,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201445098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:15,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:24:15,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-29 04:24:15,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177345096] [2023-11-29 04:24:15,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:15,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:15,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:15,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:15,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:24:15,551 INFO L87 Difference]: Start difference. First operand 9812 states and 11059 transitions. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:16,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:16,198 INFO L93 Difference]: Finished difference Result 19440 states and 21928 transitions. [2023-11-29 04:24:16,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:16,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 415 [2023-11-29 04:24:16,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:16,210 INFO L225 Difference]: With dead ends: 19440 [2023-11-29 04:24:16,210 INFO L226 Difference]: Without dead ends: 9997 [2023-11-29 04:24:16,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:24:16,219 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 126 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:16,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 171 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 04:24:16,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9997 states. [2023-11-29 04:24:16,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9997 to 9812. [2023-11-29 04:24:16,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9812 states, 9811 states have (on average 1.1229232494139232) internal successors, (11017), 9811 states have internal predecessors, (11017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:16,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9812 states to 9812 states and 11017 transitions. [2023-11-29 04:24:16,347 INFO L78 Accepts]: Start accepts. Automaton has 9812 states and 11017 transitions. Word has length 415 [2023-11-29 04:24:16,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:16,348 INFO L495 AbstractCegarLoop]: Abstraction has 9812 states and 11017 transitions. [2023-11-29 04:24:16,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:16,348 INFO L276 IsEmpty]: Start isEmpty. Operand 9812 states and 11017 transitions. [2023-11-29 04:24:16,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2023-11-29 04:24:16,359 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:16,360 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:16,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:24:16,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 04:24:16,562 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:16,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:16,562 INFO L85 PathProgramCache]: Analyzing trace with hash -486403200, now seen corresponding path program 1 times [2023-11-29 04:24:16,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:16,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266556360] [2023-11-29 04:24:16,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:16,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:17,519 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 393 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-29 04:24:17,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:17,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266556360] [2023-11-29 04:24:17,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266556360] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:17,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:17,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 04:24:17,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042241517] [2023-11-29 04:24:17,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:17,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:24:17,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:17,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:24:17,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:24:17,522 INFO L87 Difference]: Start difference. First operand 9812 states and 11017 transitions. Second operand has 7 states, 7 states have (on average 53.142857142857146) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:19,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:19,341 INFO L93 Difference]: Finished difference Result 22820 states and 25599 transitions. [2023-11-29 04:24:19,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 04:24:19,342 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 53.142857142857146) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 416 [2023-11-29 04:24:19,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:19,356 INFO L225 Difference]: With dead ends: 22820 [2023-11-29 04:24:19,356 INFO L226 Difference]: Without dead ends: 13377 [2023-11-29 04:24:19,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:24:19,365 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 253 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 2360 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 2530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 2360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:19,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 224 Invalid, 2530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 2360 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 04:24:19,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13377 states. [2023-11-29 04:24:19,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13377 to 12943. [2023-11-29 04:24:19,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12943 states, 12942 states have (on average 1.1210013908205843) internal successors, (14508), 12942 states have internal predecessors, (14508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12943 states to 12943 states and 14508 transitions. [2023-11-29 04:24:19,509 INFO L78 Accepts]: Start accepts. Automaton has 12943 states and 14508 transitions. Word has length 416 [2023-11-29 04:24:19,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:19,509 INFO L495 AbstractCegarLoop]: Abstraction has 12943 states and 14508 transitions. [2023-11-29 04:24:19,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 53.142857142857146) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:19,510 INFO L276 IsEmpty]: Start isEmpty. Operand 12943 states and 14508 transitions. [2023-11-29 04:24:19,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2023-11-29 04:24:19,523 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:19,523 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:19,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 04:24:19,524 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:19,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:19,524 INFO L85 PathProgramCache]: Analyzing trace with hash -369850321, now seen corresponding path program 1 times [2023-11-29 04:24:19,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:19,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618712669] [2023-11-29 04:24:19,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:19,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:19,984 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 04:24:19,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:19,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618712669] [2023-11-29 04:24:19,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618712669] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:19,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:19,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:24:19,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815362922] [2023-11-29 04:24:19,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:19,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:19,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:19,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:19,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:19,987 INFO L87 Difference]: Start difference. First operand 12943 states and 14508 transitions. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:20,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:20,860 INFO L93 Difference]: Finished difference Result 28093 states and 31493 transitions. [2023-11-29 04:24:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:20,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 417 [2023-11-29 04:24:20,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:20,871 INFO L225 Difference]: With dead ends: 28093 [2023-11-29 04:24:20,871 INFO L226 Difference]: Without dead ends: 13490 [2023-11-29 04:24:20,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:20,877 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 122 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:20,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 320 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 04:24:20,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13490 states. [2023-11-29 04:24:20,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13490 to 13490. [2023-11-29 04:24:20,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13490 states, 13489 states have (on average 1.1066795166431906) internal successors, (14928), 13489 states have internal predecessors, (14928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:21,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13490 states to 13490 states and 14928 transitions. [2023-11-29 04:24:21,011 INFO L78 Accepts]: Start accepts. Automaton has 13490 states and 14928 transitions. Word has length 417 [2023-11-29 04:24:21,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:21,011 INFO L495 AbstractCegarLoop]: Abstraction has 13490 states and 14928 transitions. [2023-11-29 04:24:21,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:21,012 INFO L276 IsEmpty]: Start isEmpty. Operand 13490 states and 14928 transitions. [2023-11-29 04:24:21,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2023-11-29 04:24:21,025 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:21,026 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:21,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 04:24:21,026 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:21,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:21,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1988468213, now seen corresponding path program 1 times [2023-11-29 04:24:21,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:21,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441372307] [2023-11-29 04:24:21,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:21,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2023-11-29 04:24:21,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:21,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441372307] [2023-11-29 04:24:21,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441372307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:21,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:21,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:24:21,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357211128] [2023-11-29 04:24:21,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:21,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:21,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:21,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:21,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:21,268 INFO L87 Difference]: Start difference. First operand 13490 states and 14928 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:21,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:21,973 INFO L93 Difference]: Finished difference Result 27898 states and 30920 transitions. [2023-11-29 04:24:21,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:21,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 425 [2023-11-29 04:24:21,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:21,984 INFO L225 Difference]: With dead ends: 27898 [2023-11-29 04:24:21,984 INFO L226 Difference]: Without dead ends: 14777 [2023-11-29 04:24:21,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:21,989 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 199 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:21,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 338 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 04:24:21,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14777 states. [2023-11-29 04:24:22,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14777 to 14593. [2023-11-29 04:24:22,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14593 states, 14592 states have (on average 1.1035498903508771) internal successors, (16103), 14592 states have internal predecessors, (16103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:22,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14593 states to 14593 states and 16103 transitions. [2023-11-29 04:24:22,109 INFO L78 Accepts]: Start accepts. Automaton has 14593 states and 16103 transitions. Word has length 425 [2023-11-29 04:24:22,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:22,109 INFO L495 AbstractCegarLoop]: Abstraction has 14593 states and 16103 transitions. [2023-11-29 04:24:22,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 14593 states and 16103 transitions. [2023-11-29 04:24:22,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2023-11-29 04:24:22,118 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:22,119 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:22,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 04:24:22,119 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:22,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:22,119 INFO L85 PathProgramCache]: Analyzing trace with hash -432168615, now seen corresponding path program 1 times [2023-11-29 04:24:22,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:22,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345986392] [2023-11-29 04:24:22,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:22,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:23,027 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 395 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-29 04:24:23,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:23,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345986392] [2023-11-29 04:24:23,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345986392] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:24:23,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211804254] [2023-11-29 04:24:23,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:23,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:24:23,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:24:23,029 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:24:23,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 04:24:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:23,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:24:23,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:24:24,127 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 282 proven. 121 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-29 04:24:24,127 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:24:25,708 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 282 proven. 121 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-29 04:24:25,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211804254] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:24:25,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:24:25,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 10 [2023-11-29 04:24:25,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339882681] [2023-11-29 04:24:25,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:24:25,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 04:24:25,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:25,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 04:24:25,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:24:25,714 INFO L87 Difference]: Start difference. First operand 14593 states and 16103 transitions. Second operand has 11 states, 11 states have (on average 86.18181818181819) internal successors, (948), 10 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:29,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:29,985 INFO L93 Difference]: Finished difference Result 35899 states and 39360 transitions. [2023-11-29 04:24:29,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 04:24:29,986 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 86.18181818181819) internal successors, (948), 10 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 426 [2023-11-29 04:24:29,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:30,000 INFO L225 Difference]: With dead ends: 35899 [2023-11-29 04:24:30,000 INFO L226 Difference]: Without dead ends: 20933 [2023-11-29 04:24:30,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 881 GetRequests, 848 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=326, Invalid=864, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 04:24:30,006 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 1215 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 4131 mSolverCounterSat, 745 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 4876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 745 IncrementalHoareTripleChecker+Valid, 4131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:30,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 180 Invalid, 4876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [745 Valid, 4131 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 04:24:30,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20933 states. [2023-11-29 04:24:30,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20933 to 11089. [2023-11-29 04:24:30,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11089 states, 11088 states have (on average 1.076118326118326) internal successors, (11932), 11088 states have internal predecessors, (11932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:30,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11089 states to 11089 states and 11932 transitions. [2023-11-29 04:24:30,128 INFO L78 Accepts]: Start accepts. Automaton has 11089 states and 11932 transitions. Word has length 426 [2023-11-29 04:24:30,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:30,128 INFO L495 AbstractCegarLoop]: Abstraction has 11089 states and 11932 transitions. [2023-11-29 04:24:30,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 86.18181818181819) internal successors, (948), 10 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:30,128 INFO L276 IsEmpty]: Start isEmpty. Operand 11089 states and 11932 transitions. [2023-11-29 04:24:30,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2023-11-29 04:24:30,137 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:30,137 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:30,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 04:24:30,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 04:24:30,338 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:30,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:30,339 INFO L85 PathProgramCache]: Analyzing trace with hash 513469895, now seen corresponding path program 1 times [2023-11-29 04:24:30,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:30,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257257003] [2023-11-29 04:24:30,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:30,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:30,524 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2023-11-29 04:24:30,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:30,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257257003] [2023-11-29 04:24:30,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257257003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:30,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:30,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:24:30,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391447876] [2023-11-29 04:24:30,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:30,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:30,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:30,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:30,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:30,527 INFO L87 Difference]: Start difference. First operand 11089 states and 11932 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:31,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:31,075 INFO L93 Difference]: Finished difference Result 23280 states and 25087 transitions. [2023-11-29 04:24:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:31,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 437 [2023-11-29 04:24:31,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:31,085 INFO L225 Difference]: With dead ends: 23280 [2023-11-29 04:24:31,085 INFO L226 Difference]: Without dead ends: 12560 [2023-11-29 04:24:31,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:31,091 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 172 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:31,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 113 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 04:24:31,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12560 states. [2023-11-29 04:24:31,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12560 to 10904. [2023-11-29 04:24:31,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10904 states, 10903 states have (on average 1.0768595799321288) internal successors, (11741), 10903 states have internal predecessors, (11741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:31,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10904 states to 10904 states and 11741 transitions. [2023-11-29 04:24:31,202 INFO L78 Accepts]: Start accepts. Automaton has 10904 states and 11741 transitions. Word has length 437 [2023-11-29 04:24:31,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:31,203 INFO L495 AbstractCegarLoop]: Abstraction has 10904 states and 11741 transitions. [2023-11-29 04:24:31,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:31,203 INFO L276 IsEmpty]: Start isEmpty. Operand 10904 states and 11741 transitions. [2023-11-29 04:24:31,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2023-11-29 04:24:31,212 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:31,212 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:31,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 04:24:31,213 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:31,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:31,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1887433853, now seen corresponding path program 1 times [2023-11-29 04:24:31,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:31,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765186735] [2023-11-29 04:24:31,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:31,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:31,723 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 469 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:24:31,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:31,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765186735] [2023-11-29 04:24:31,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765186735] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:31,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:31,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:24:31,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861550704] [2023-11-29 04:24:31,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:31,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:24:31,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:31,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:24:31,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:24:31,726 INFO L87 Difference]: Start difference. First operand 10904 states and 11741 transitions. Second operand has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:32,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:32,701 INFO L93 Difference]: Finished difference Result 24023 states and 25872 transitions. [2023-11-29 04:24:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:24:32,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 448 [2023-11-29 04:24:32,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:32,711 INFO L225 Difference]: With dead ends: 24023 [2023-11-29 04:24:32,711 INFO L226 Difference]: Without dead ends: 13488 [2023-11-29 04:24:32,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:24:32,716 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 173 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:32,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 55 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 04:24:32,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13488 states. [2023-11-29 04:24:32,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13488 to 11826. [2023-11-29 04:24:32,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11826 states, 11825 states have (on average 1.0722198731501058) internal successors, (12679), 11825 states have internal predecessors, (12679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:32,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11826 states to 11826 states and 12679 transitions. [2023-11-29 04:24:32,818 INFO L78 Accepts]: Start accepts. Automaton has 11826 states and 12679 transitions. Word has length 448 [2023-11-29 04:24:32,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:32,818 INFO L495 AbstractCegarLoop]: Abstraction has 11826 states and 12679 transitions. [2023-11-29 04:24:32,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:32,819 INFO L276 IsEmpty]: Start isEmpty. Operand 11826 states and 12679 transitions. [2023-11-29 04:24:32,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2023-11-29 04:24:32,824 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:32,824 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:32,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 04:24:32,824 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:32,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:32,825 INFO L85 PathProgramCache]: Analyzing trace with hash -362907692, now seen corresponding path program 1 times [2023-11-29 04:24:32,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:32,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930110321] [2023-11-29 04:24:32,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:32,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:33,153 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-11-29 04:24:33,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:33,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930110321] [2023-11-29 04:24:33,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930110321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:33,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:33,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:24:33,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641548186] [2023-11-29 04:24:33,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:33,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:33,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:33,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:33,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:33,156 INFO L87 Difference]: Start difference. First operand 11826 states and 12679 transitions. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:33,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:33,782 INFO L93 Difference]: Finished difference Result 24571 states and 26342 transitions. [2023-11-29 04:24:33,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:33,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 463 [2023-11-29 04:24:33,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:33,790 INFO L225 Difference]: With dead ends: 24571 [2023-11-29 04:24:33,791 INFO L226 Difference]: Without dead ends: 11641 [2023-11-29 04:24:33,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:33,796 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 109 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:33,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 291 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 04:24:33,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11641 states. [2023-11-29 04:24:33,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11641 to 10720. [2023-11-29 04:24:33,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10720 states, 10719 states have (on average 1.0607332773579625) internal successors, (11370), 10719 states have internal predecessors, (11370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:33,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10720 states to 10720 states and 11370 transitions. [2023-11-29 04:24:33,899 INFO L78 Accepts]: Start accepts. Automaton has 10720 states and 11370 transitions. Word has length 463 [2023-11-29 04:24:33,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:33,900 INFO L495 AbstractCegarLoop]: Abstraction has 10720 states and 11370 transitions. [2023-11-29 04:24:33,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 10720 states and 11370 transitions. [2023-11-29 04:24:33,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2023-11-29 04:24:33,906 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:33,906 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:33,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 04:24:33,906 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:33,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:33,907 INFO L85 PathProgramCache]: Analyzing trace with hash 248434729, now seen corresponding path program 1 times [2023-11-29 04:24:33,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:33,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120216047] [2023-11-29 04:24:33,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:33,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:34,861 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 535 proven. 162 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-11-29 04:24:34,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:34,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120216047] [2023-11-29 04:24:34,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120216047] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:24:34,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670248922] [2023-11-29 04:24:34,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:34,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:24:34,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:24:34,863 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:24:34,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 04:24:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:35,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:24:35,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:24:35,189 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 652 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-29 04:24:35,189 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:24:35,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670248922] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:35,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:24:35,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2023-11-29 04:24:35,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034824917] [2023-11-29 04:24:35,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:35,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:35,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:35,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:35,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:24:35,192 INFO L87 Difference]: Start difference. First operand 10720 states and 11370 transitions. Second operand has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:35,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:35,778 INFO L93 Difference]: Finished difference Result 21443 states and 22753 transitions. [2023-11-29 04:24:35,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:35,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 501 [2023-11-29 04:24:35,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:35,789 INFO L225 Difference]: With dead ends: 21443 [2023-11-29 04:24:35,789 INFO L226 Difference]: Without dead ends: 10908 [2023-11-29 04:24:35,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:24:35,794 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 72 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:35,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 322 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 04:24:35,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10908 states. [2023-11-29 04:24:35,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10908 to 10904. [2023-11-29 04:24:35,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10904 states, 10903 states have (on average 1.0494359350637439) internal successors, (11442), 10903 states have internal predecessors, (11442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:35,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10904 states to 10904 states and 11442 transitions. [2023-11-29 04:24:35,878 INFO L78 Accepts]: Start accepts. Automaton has 10904 states and 11442 transitions. Word has length 501 [2023-11-29 04:24:35,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:35,879 INFO L495 AbstractCegarLoop]: Abstraction has 10904 states and 11442 transitions. [2023-11-29 04:24:35,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:35,879 INFO L276 IsEmpty]: Start isEmpty. Operand 10904 states and 11442 transitions. [2023-11-29 04:24:35,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2023-11-29 04:24:35,884 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:35,885 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:35,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 04:24:36,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-29 04:24:36,085 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:36,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:36,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1386045834, now seen corresponding path program 1 times [2023-11-29 04:24:36,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:36,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126597964] [2023-11-29 04:24:36,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:36,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:36,377 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 609 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2023-11-29 04:24:36,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:36,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126597964] [2023-11-29 04:24:36,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126597964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:36,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:36,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:24:36,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859782279] [2023-11-29 04:24:36,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:36,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:24:36,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:36,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:24:36,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:24:36,379 INFO L87 Difference]: Start difference. First operand 10904 states and 11442 transitions. Second operand has 4 states, 4 states have (on average 91.25) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:37,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:37,336 INFO L93 Difference]: Finished difference Result 27895 states and 29284 transitions. [2023-11-29 04:24:37,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:24:37,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 91.25) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 505 [2023-11-29 04:24:37,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:37,350 INFO L225 Difference]: With dead ends: 27895 [2023-11-29 04:24:37,350 INFO L226 Difference]: Without dead ends: 17176 [2023-11-29 04:24:37,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:24:37,355 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 181 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:37,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 65 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 04:24:37,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17176 states. [2023-11-29 04:24:37,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17176 to 15144. [2023-11-29 04:24:37,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15144 states, 15143 states have (on average 1.0488014264016376) internal successors, (15882), 15143 states have internal predecessors, (15882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:37,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15144 states to 15144 states and 15882 transitions. [2023-11-29 04:24:37,485 INFO L78 Accepts]: Start accepts. Automaton has 15144 states and 15882 transitions. Word has length 505 [2023-11-29 04:24:37,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:37,486 INFO L495 AbstractCegarLoop]: Abstraction has 15144 states and 15882 transitions. [2023-11-29 04:24:37,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.25) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:37,486 INFO L276 IsEmpty]: Start isEmpty. Operand 15144 states and 15882 transitions. [2023-11-29 04:24:37,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2023-11-29 04:24:37,492 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:24:37,492 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:37,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 04:24:37,492 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:24:37,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:24:37,492 INFO L85 PathProgramCache]: Analyzing trace with hash -570591517, now seen corresponding path program 1 times [2023-11-29 04:24:37,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:24:37,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850700804] [2023-11-29 04:24:37,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:24:37,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:24:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:24:37,992 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2023-11-29 04:24:37,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:24:37,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850700804] [2023-11-29 04:24:37,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850700804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:24:37,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:24:37,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:24:37,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632586079] [2023-11-29 04:24:37,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:24:37,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:24:37,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:24:37,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:24:37,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:37,994 INFO L87 Difference]: Start difference. First operand 15144 states and 15882 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:38,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:24:38,493 INFO L93 Difference]: Finished difference Result 15331 states and 16080 transitions. [2023-11-29 04:24:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:24:38,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 508 [2023-11-29 04:24:38,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:24:38,494 INFO L225 Difference]: With dead ends: 15331 [2023-11-29 04:24:38,495 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 04:24:38,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:24:38,498 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 143 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:24:38,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 321 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 04:24:38,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 04:24:38,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 04:24:38,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:38,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 04:24:38,499 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 508 [2023-11-29 04:24:38,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:24:38,499 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:24:38,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:24:38,499 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:24:38,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 04:24:38,501 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:24:38,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 04:24:38,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 04:24:43,246 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2023-11-29 04:24:43,246 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,246 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2023-11-29 04:24:43,246 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,246 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,246 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,246 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,246 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,246 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,246 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,247 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,247 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,247 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,247 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,247 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,247 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,247 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,247 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,247 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,247 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,247 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2023-11-29 04:24:43,247 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2023-11-29 04:24:43,247 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,247 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,247 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,247 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,247 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,248 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,248 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,248 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,248 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,248 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,248 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2023-11-29 04:24:43,248 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2023-11-29 04:24:43,248 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,248 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,248 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,248 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,248 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,249 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,249 INFO L899 garLoopResultBuilder]: For program point L1038(lines 1038 1054) no Hoare annotation was computed. [2023-11-29 04:24:43,249 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,249 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,249 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,249 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,249 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,249 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,249 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,249 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,249 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,249 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,250 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,250 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,250 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,250 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,250 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,250 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,250 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,250 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse20 (+ ~a23~0 43))) (let ((.cse7 (<= 261 ~a29~0)) (.cse4 (<= .cse20 0)) (.cse14 (<= 141 ~a29~0)) (.cse0 (= ~a25~0 11)) (.cse13 (<= ~a29~0 274)) (.cse11 (<= 130 ~a29~0)) (.cse5 (= ~a25~0 12)) (.cse18 (<= ~a23~0 278)) (.cse1 (<= (+ ~a29~0 22) 0)) (.cse6 (= ~a4~0 0)) (.cse9 (<= ~a29~0 599998)) (.cse16 (<= ~a23~0 138)) (.cse8 (<= ~a25~0 10)) (.cse12 (= ~a25~0 13)) (.cse19 (or (< 140 ~a29~0) (< 0 .cse20))) (.cse17 (<= ~a29~0 245)) (.cse10 (or (< ~a23~0 307) (< ~a29~0 278))) (.cse2 (= ~a4~0 1)) (.cse15 (<= 99915 ~a29~0)) (.cse3 (<= 0 (+ ~a23~0 42)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse1) (and .cse4 .cse7 .cse6 .cse8 .cse9) (and .cse5 .cse10 .cse2 .cse3 .cse11) (and .cse12 .cse4 .cse6 .cse13 .cse14) (and .cse12 (<= 307 ~a23~0) .cse9 .cse2) (and .cse10 (or (and .cse6 .cse8 .cse15) (and .cse5 .cse7 .cse6)) .cse9) (and (or (and .cse5 .cse10 .cse2 .cse3) (and .cse0 .cse2 .cse3)) (<= ~a23~0 312)) (and .cse6 .cse0 .cse9 .cse16) (and .cse6 .cse1 .cse8) (and .cse4 .cse17 .cse14 .cse2) (and .cse0 .cse2 .cse11) (and .cse5 .cse6 (<= (+ ~a29~0 554036) 0)) (and .cse12 .cse18 (<= 99912 ~a29~0) .cse2 .cse3) (and .cse19 .cse5 .cse6 .cse13 .cse11) (and .cse5 .cse1 .cse2) (and .cse18 .cse1 .cse2 .cse3) (and .cse6 .cse9 .cse16 .cse3) (and .cse8 .cse2) (and .cse12 .cse19 .cse17 .cse2) (and .cse10 .cse2 .cse15 .cse3)))) [2023-11-29 04:24:43,251 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,251 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,251 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,251 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,251 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,251 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,251 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,251 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,251 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2023-11-29 04:24:43,251 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2023-11-29 04:24:43,251 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2023-11-29 04:24:43,252 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2023-11-29 04:24:43,252 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,252 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,252 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,252 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,252 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,252 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,252 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,252 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,252 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,252 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,252 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 04:24:43,253 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2023-11-29 04:24:43,253 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,253 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,253 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,253 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,253 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,253 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,253 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,253 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,253 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,253 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2023-11-29 04:24:43,253 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2023-11-29 04:24:43,253 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,254 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,254 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,254 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,254 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,254 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,254 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2023-11-29 04:24:43,254 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2023-11-29 04:24:43,254 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,254 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,254 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2023-11-29 04:24:43,254 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,255 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,255 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,255 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,255 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,255 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,255 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,255 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2023-11-29 04:24:43,255 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2023-11-29 04:24:43,255 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2023-11-29 04:24:43,255 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2023-11-29 04:24:43,255 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,255 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,255 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2023-11-29 04:24:43,256 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2023-11-29 04:24:43,256 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,256 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,256 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,256 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,256 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,256 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,256 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,256 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,256 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,256 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,256 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,257 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,257 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,257 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,257 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,257 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,257 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,257 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,257 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,257 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,257 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,257 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,257 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,258 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,258 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,258 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,258 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,258 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,258 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,258 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,258 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2023-11-29 04:24:43,258 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2023-11-29 04:24:43,258 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,258 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,258 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,259 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,259 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,259 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,259 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,259 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,259 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,259 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,259 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2023-11-29 04:24:43,259 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2023-11-29 04:24:43,259 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,259 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,259 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,259 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,260 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,260 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,260 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,260 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2023-11-29 04:24:43,260 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2023-11-29 04:24:43,260 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,260 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,260 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,260 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,260 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,260 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,260 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2023-11-29 04:24:43,261 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2023-11-29 04:24:43,261 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,261 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,261 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,261 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,261 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,261 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,261 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,261 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,261 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2023-11-29 04:24:43,261 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2023-11-29 04:24:43,261 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2023-11-29 04:24:43,262 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2023-11-29 04:24:43,262 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2023-11-29 04:24:43,262 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,262 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,262 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,262 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,262 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,262 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,262 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,262 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 04:24:43,262 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,262 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,263 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,263 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,263 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,263 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,263 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,263 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,263 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,263 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,263 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,263 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,263 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,263 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,263 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-11-29 04:24:43,264 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2023-11-29 04:24:43,264 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,264 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,264 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2023-11-29 04:24:43,266 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:24:43,268 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:24:43,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:24:43 BoogieIcfgContainer [2023-11-29 04:24:43,281 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:24:43,282 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:24:43,282 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:24:43,282 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:24:43,283 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:23:57" (3/4) ... [2023-11-29 04:24:43,284 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:24:43,304 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-29 04:24:43,306 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 04:24:43,308 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 04:24:43,310 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:24:43,490 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:24:43,490 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:24:43,491 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:24:43,492 INFO L158 Benchmark]: Toolchain (without parser) took 48841.87ms. Allocated memory was 153.1MB in the beginning and 979.4MB in the end (delta: 826.3MB). Free memory was 118.5MB in the beginning and 553.9MB in the end (delta: -435.5MB). Peak memory consumption was 393.6MB. Max. memory is 16.1GB. [2023-11-29 04:24:43,492 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory was 69.7MB in the beginning and 69.5MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:24:43,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.45ms. Allocated memory is still 153.1MB. Free memory was 118.2MB in the beginning and 117.9MB in the end (delta: 344.6kB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2023-11-29 04:24:43,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.10ms. Allocated memory is still 153.1MB. Free memory was 117.9MB in the beginning and 100.4MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 04:24:43,493 INFO L158 Benchmark]: Boogie Preprocessor took 149.37ms. Allocated memory is still 153.1MB. Free memory was 100.4MB in the beginning and 75.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-29 04:24:43,494 INFO L158 Benchmark]: RCFGBuilder took 1657.54ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 75.2MB in the beginning and 152.1MB in the end (delta: -76.9MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2023-11-29 04:24:43,494 INFO L158 Benchmark]: TraceAbstraction took 46068.90ms. Allocated memory was 199.2MB in the beginning and 979.4MB in the end (delta: 780.1MB). Free memory was 151.1MB in the beginning and 571.8MB in the end (delta: -420.7MB). Peak memory consumption was 625.2MB. Max. memory is 16.1GB. [2023-11-29 04:24:43,494 INFO L158 Benchmark]: Witness Printer took 209.62ms. Allocated memory is still 979.4MB. Free memory was 570.7MB in the beginning and 553.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 04:24:43,496 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory was 69.7MB in the beginning and 69.5MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 645.45ms. Allocated memory is still 153.1MB. Free memory was 118.2MB in the beginning and 117.9MB in the end (delta: 344.6kB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.10ms. Allocated memory is still 153.1MB. Free memory was 117.9MB in the beginning and 100.4MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 149.37ms. Allocated memory is still 153.1MB. Free memory was 100.4MB in the beginning and 75.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1657.54ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 75.2MB in the beginning and 152.1MB in the end (delta: -76.9MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * TraceAbstraction took 46068.90ms. Allocated memory was 199.2MB in the beginning and 979.4MB in the end (delta: 780.1MB). Free memory was 151.1MB in the beginning and 571.8MB in the end (delta: -420.7MB). Peak memory consumption was 625.2MB. Max. memory is 16.1GB. * Witness Printer took 209.62ms. Allocated memory is still 979.4MB. Free memory was 570.7MB in the beginning and 553.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 157]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 46.0s, OverallIterations: 24, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 24.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4838 SdHoareTripleChecker+Valid, 21.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4838 mSDsluCounter, 5212 SdHoareTripleChecker+Invalid, 18.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 691 mSDsCounter, 2857 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20221 IncrementalHoareTripleChecker+Invalid, 23078 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2857 mSolverCounterUnsat, 4521 mSDtfsCounter, 20221 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1878 GetRequests, 1802 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15144occurred in iteration=23, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 24 MinimizatonAttempts, 19742 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 108 NumberOfFragments, 365 HoareAnnotationTreeSize, 1 FomulaSimplifications, 7562 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 6121 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 9070 NumberOfCodeBlocks, 9070 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 9468 ConstructedInterpolants, 0 QuantifiedInterpolants, 34974 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1809 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 28 InterpolantComputations, 23 PerfectInterpolantSequences, 10318/10808 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a25 == 11) && ((a29 + 22) <= 0)) && (a4 == 1)) && (0 <= (a23 + 42))) || (((((a23 + 43) <= 0) && (a25 == 12)) && (a4 == 0)) && ((a29 + 22) <= 0))) || ((((((a23 + 43) <= 0) && (261 <= a29)) && (a4 == 0)) && (a25 <= 10)) && (a29 <= 599998))) || (((((a25 == 12) && ((a23 < 307) || (a29 < 278))) && (a4 == 1)) && (0 <= (a23 + 42))) && (130 <= a29))) || (((((a25 == 13) && ((a23 + 43) <= 0)) && (a4 == 0)) && (a29 <= 274)) && (141 <= a29))) || ((((a25 == 13) && (307 <= a23)) && (a29 <= 599998)) && (a4 == 1))) || ((((a23 < 307) || (a29 < 278)) && ((((a4 == 0) && (a25 <= 10)) && (99915 <= a29)) || (((a25 == 12) && (261 <= a29)) && (a4 == 0)))) && (a29 <= 599998))) || ((((((a25 == 12) && ((a23 < 307) || (a29 < 278))) && (a4 == 1)) && (0 <= (a23 + 42))) || (((a25 == 11) && (a4 == 1)) && (0 <= (a23 + 42)))) && (a23 <= 312))) || ((((a4 == 0) && (a25 == 11)) && (a29 <= 599998)) && (a23 <= 138))) || (((a4 == 0) && ((a29 + 22) <= 0)) && (a25 <= 10))) || (((((a23 + 43) <= 0) && (a29 <= 245)) && (141 <= a29)) && (a4 == 1))) || (((a25 == 11) && (a4 == 1)) && (130 <= a29))) || (((a25 == 12) && (a4 == 0)) && ((a29 + 554036) <= 0))) || (((((a25 == 13) && (a23 <= 278)) && (99912 <= a29)) && (a4 == 1)) && (0 <= (a23 + 42)))) || ((((((140 < a29) || (0 < (a23 + 43))) && (a25 == 12)) && (a4 == 0)) && (a29 <= 274)) && (130 <= a29))) || (((a25 == 12) && ((a29 + 22) <= 0)) && (a4 == 1))) || ((((a23 <= 278) && ((a29 + 22) <= 0)) && (a4 == 1)) && (0 <= (a23 + 42)))) || ((((a4 == 0) && (a29 <= 599998)) && (a23 <= 138)) && (0 <= (a23 + 42)))) || ((a25 <= 10) && (a4 == 1))) || ((((a25 == 13) && ((140 < a29) || (0 < (a23 + 43)))) && (a29 <= 245)) && (a4 == 1))) || (((((a23 < 307) || (a29 < 278)) && (a4 == 1)) && (99915 <= a29)) && (0 <= (a23 + 42)))) RESULT: Ultimate proved your program to be correct! [2023-11-29 04:24:43,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a62c15a6-9cff-4faf-9571-7e7e4398605d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE