./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label36.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_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/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_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/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_958ac08c-c09b-4d67-a519-4ddd1b962b45/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 e535ec383f9537274a1ea0de6d7103e6fd6013fb76f91148f8797ca645095af2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 20:20:41,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 20:20:41,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-28 20:20:41,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 20:20:41,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 20:20:41,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 20:20:41,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 20:20:41,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 20:20:41,278 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 20:20:41,278 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 20:20:41,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 20:20:41,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 20:20:41,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 20:20:41,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 20:20:41,281 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 20:20:41,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 20:20:41,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 20:20:41,283 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 20:20:41,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 20:20:41,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 20:20:41,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 20:20:41,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 20:20:41,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 20:20:41,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 20:20:41,286 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 20:20:41,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 20:20:41,287 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 20:20:41,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 20:20:41,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 20:20:41,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 20:20:41,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 20:20:41,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:20:41,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 20:20:41,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 20:20:41,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 20:20:41,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 20:20:41,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 20:20:41,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 20:20:41,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 20:20:41,291 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 20:20:41,292 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 20:20:41,292 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 20:20:41,292 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_958ac08c-c09b-4d67-a519-4ddd1b962b45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e535ec383f9537274a1ea0de6d7103e6fd6013fb76f91148f8797ca645095af2 [2023-11-28 20:20:41,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 20:20:41,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 20:20:41,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 20:20:41,556 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 20:20:41,557 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 20:20:41,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/eca-rers2012/Problem17_label36.c [2023-11-28 20:20:44,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 20:20:44,720 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 20:20:44,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/sv-benchmarks/c/eca-rers2012/Problem17_label36.c [2023-11-28 20:20:44,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/data/431762320/07e474d547bd44e780209ad986b330cc/FLAG73a2cb9bc [2023-11-28 20:20:44,759 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/data/431762320/07e474d547bd44e780209ad986b330cc [2023-11-28 20:20:44,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 20:20:44,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 20:20:44,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 20:20:44,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 20:20:44,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 20:20:44,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:20:44" (1/1) ... [2023-11-28 20:20:44,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bdcac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:44, skipping insertion in model container [2023-11-28 20:20:44,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:20:44" (1/1) ... [2023-11-28 20:20:44,870 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 20:20:45,083 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_958ac08c-c09b-4d67-a519-4ddd1b962b45/sv-benchmarks/c/eca-rers2012/Problem17_label36.c[8418,8431] [2023-11-28 20:20:45,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:20:45,685 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 20:20:45,713 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_958ac08c-c09b-4d67-a519-4ddd1b962b45/sv-benchmarks/c/eca-rers2012/Problem17_label36.c[8418,8431] [2023-11-28 20:20:46,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:20:46,069 INFO L206 MainTranslator]: Completed translation [2023-11-28 20:20:46,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:46 WrapperNode [2023-11-28 20:20:46,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 20:20:46,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 20:20:46,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 20:20:46,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 20:20:46,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:46" (1/1) ... [2023-11-28 20:20:46,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:46" (1/1) ... [2023-11-28 20:20:46,330 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2612 [2023-11-28 20:20:46,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 20:20:46,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 20:20:46,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 20:20:46,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 20:20:46,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:46" (1/1) ... [2023-11-28 20:20:46,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:46" (1/1) ... [2023-11-28 20:20:46,377 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:46" (1/1) ... [2023-11-28 20:20:46,554 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]. [2023-11-28 20:20:46,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:46" (1/1) ... [2023-11-28 20:20:46,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:46" (1/1) ... [2023-11-28 20:20:46,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:46" (1/1) ... [2023-11-28 20:20:46,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:46" (1/1) ... [2023-11-28 20:20:46,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:46" (1/1) ... [2023-11-28 20:20:46,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:46" (1/1) ... [2023-11-28 20:20:46,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 20:20:46,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 20:20:46,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 20:20:46,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 20:20:46,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:46" (1/1) ... [2023-11-28 20:20:46,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:20:46,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:20:46,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 20:20:46,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 20:20:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 20:20:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 20:20:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 20:20:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 20:20:46,918 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 20:20:46,921 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 20:20:50,654 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 20:20:50,704 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 20:20:50,704 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-28 20:20:50,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:20:50 BoogieIcfgContainer [2023-11-28 20:20:50,705 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 20:20:50,708 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 20:20:50,708 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 20:20:50,711 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 20:20:50,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:20:44" (1/3) ... [2023-11-28 20:20:50,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58301fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:20:50, skipping insertion in model container [2023-11-28 20:20:50,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:20:46" (2/3) ... [2023-11-28 20:20:50,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58301fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:20:50, skipping insertion in model container [2023-11-28 20:20:50,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:20:50" (3/3) ... [2023-11-28 20:20:50,713 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label36.c [2023-11-28 20:20:50,732 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 20:20:50,732 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 20:20:50,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 20:20:50,801 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;@6af39b88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 20:20:50,801 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 20:20:50,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 528 states, 526 states have (on average 1.9011406844106464) internal successors, (1000), 527 states have internal predecessors, (1000), 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) [2023-11-28 20:20:50,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-28 20:20:50,818 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:20:50,819 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:20:50,819 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:20:50,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:20:50,825 INFO L85 PathProgramCache]: Analyzing trace with hash 147593731, now seen corresponding path program 1 times [2023-11-28 20:20:50,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:20:50,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567610726] [2023-11-28 20:20:50,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:20:50,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:20:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:20:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:20:51,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:20:51,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567610726] [2023-11-28 20:20:51,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567610726] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:20:51,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:20:51,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:20:51,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856911073] [2023-11-28 20:20:51,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:20:51,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 20:20:51,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:20:51,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 20:20:51,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:20:51,049 INFO L87 Difference]: Start difference. First operand has 528 states, 526 states have (on average 1.9011406844106464) internal successors, (1000), 527 states have internal predecessors, (1000), 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 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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) [2023-11-28 20:20:51,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:20:51,120 INFO L93 Difference]: Finished difference Result 1055 states and 1999 transitions. [2023-11-28 20:20:51,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 20:20:51,123 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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 56 [2023-11-28 20:20:51,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:20:51,140 INFO L225 Difference]: With dead ends: 1055 [2023-11-28 20:20:51,140 INFO L226 Difference]: Without dead ends: 526 [2023-11-28 20:20:51,146 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 [2023-11-28 20:20:51,150 INFO L413 NwaCegarLoop]: 935 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, 935 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 [2023-11-28 20:20:51,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 935 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:20:51,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2023-11-28 20:20:51,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2023-11-28 20:20:51,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 525 states have (on average 1.7809523809523808) internal successors, (935), 525 states have internal predecessors, (935), 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) [2023-11-28 20:20:51,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 935 transitions. [2023-11-28 20:20:51,218 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 935 transitions. Word has length 56 [2023-11-28 20:20:51,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:20:51,219 INFO L495 AbstractCegarLoop]: Abstraction has 526 states and 935 transitions. [2023-11-28 20:20:51,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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) [2023-11-28 20:20:51,220 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 935 transitions. [2023-11-28 20:20:51,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-28 20:20:51,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:20:51,222 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:20:51,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 20:20:51,223 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:20:51,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:20:51,224 INFO L85 PathProgramCache]: Analyzing trace with hash 879028337, now seen corresponding path program 1 times [2023-11-28 20:20:51,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:20:51,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616923875] [2023-11-28 20:20:51,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:20:51,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:20:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:20:51,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:20:51,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:20:51,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616923875] [2023-11-28 20:20:51,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616923875] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:20:51,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:20:51,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:20:51,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508011737] [2023-11-28 20:20:51,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:20:51,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:20:51,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:20:51,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:20:51,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:20:51,466 INFO L87 Difference]: Start difference. First operand 526 states and 935 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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) [2023-11-28 20:20:54,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:20:54,210 INFO L93 Difference]: Finished difference Result 1501 states and 2698 transitions. [2023-11-28 20:20:54,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:20:54,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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 56 [2023-11-28 20:20:54,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:20:54,218 INFO L225 Difference]: With dead ends: 1501 [2023-11-28 20:20:54,219 INFO L226 Difference]: Without dead ends: 976 [2023-11-28 20:20:54,220 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 [2023-11-28 20:20:54,221 INFO L413 NwaCegarLoop]: 373 mSDtfsCounter, 415 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-28 20:20:54,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 448 Invalid, 1683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-28 20:20:54,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2023-11-28 20:20:54,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 970. [2023-11-28 20:20:54,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 970 states, 969 states have (on average 1.5541795665634675) internal successors, (1506), 969 states have internal predecessors, (1506), 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) [2023-11-28 20:20:54,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1506 transitions. [2023-11-28 20:20:54,260 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1506 transitions. Word has length 56 [2023-11-28 20:20:54,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:20:54,261 INFO L495 AbstractCegarLoop]: Abstraction has 970 states and 1506 transitions. [2023-11-28 20:20:54,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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) [2023-11-28 20:20:54,262 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1506 transitions. [2023-11-28 20:20:54,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-28 20:20:54,264 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:20:54,265 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, 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] [2023-11-28 20:20:54,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-28 20:20:54,265 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:20:54,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:20:54,266 INFO L85 PathProgramCache]: Analyzing trace with hash -563002166, now seen corresponding path program 1 times [2023-11-28 20:20:54,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:20:54,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76336618] [2023-11-28 20:20:54,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:20:54,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:20:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:20:54,504 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:20:54,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:20:54,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76336618] [2023-11-28 20:20:54,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76336618] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:20:54,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:20:54,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:20:54,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646639682] [2023-11-28 20:20:54,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:20:54,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:20:54,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:20:54,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:20:54,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:20:54,509 INFO L87 Difference]: Start difference. First operand 970 states and 1506 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 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) [2023-11-28 20:20:57,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:20:57,313 INFO L93 Difference]: Finished difference Result 2812 states and 4380 transitions. [2023-11-28 20:20:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:20:57,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 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 123 [2023-11-28 20:20:57,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:20:57,325 INFO L225 Difference]: With dead ends: 2812 [2023-11-28 20:20:57,325 INFO L226 Difference]: Without dead ends: 1843 [2023-11-28 20:20:57,327 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 [2023-11-28 20:20:57,328 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 405 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1382 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 1382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-28 20:20:57,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 577 Invalid, 1707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 1382 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-28 20:20:57,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-28 20:20:57,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1840. [2023-11-28 20:20:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1839 states have (on average 1.3501903208265362) internal successors, (2483), 1839 states have internal predecessors, (2483), 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) [2023-11-28 20:20:57,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2483 transitions. [2023-11-28 20:20:57,381 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2483 transitions. Word has length 123 [2023-11-28 20:20:57,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:20:57,382 INFO L495 AbstractCegarLoop]: Abstraction has 1840 states and 2483 transitions. [2023-11-28 20:20:57,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 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) [2023-11-28 20:20:57,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2483 transitions. [2023-11-28 20:20:57,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-28 20:20:57,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:20:57,386 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, 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] [2023-11-28 20:20:57,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-28 20:20:57,386 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:20:57,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:20:57,387 INFO L85 PathProgramCache]: Analyzing trace with hash 304610756, now seen corresponding path program 1 times [2023-11-28 20:20:57,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:20:57,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414534229] [2023-11-28 20:20:57,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:20:57,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:20:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:20:57,621 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:20:57,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:20:57,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414534229] [2023-11-28 20:20:57,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414534229] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:20:57,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:20:57,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:20:57,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614992636] [2023-11-28 20:20:57,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:20:57,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:20:57,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:20:57,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:20:57,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:20:57,625 INFO L87 Difference]: Start difference. First operand 1840 states and 2483 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2023-11-28 20:21:00,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:00,138 INFO L93 Difference]: Finished difference Result 4551 states and 6281 transitions. [2023-11-28 20:21:00,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:21:00,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 126 [2023-11-28 20:21:00,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:00,154 INFO L225 Difference]: With dead ends: 4551 [2023-11-28 20:21:00,154 INFO L226 Difference]: Without dead ends: 2712 [2023-11-28 20:21:00,157 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 [2023-11-28 20:21:00,159 INFO L413 NwaCegarLoop]: 816 mSDtfsCounter, 450 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 1680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-28 20:21:00,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 883 Invalid, 1680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [415 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-28 20:21:00,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2023-11-28 20:21:00,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2710. [2023-11-28 20:21:00,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2709 states have (on average 1.3004798818752308) internal successors, (3523), 2709 states have internal predecessors, (3523), 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) [2023-11-28 20:21:00,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3523 transitions. [2023-11-28 20:21:00,222 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3523 transitions. Word has length 126 [2023-11-28 20:21:00,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:00,223 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3523 transitions. [2023-11-28 20:21:00,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2023-11-28 20:21:00,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3523 transitions. [2023-11-28 20:21:00,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-28 20:21:00,228 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:00,229 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, 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] [2023-11-28 20:21:00,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-28 20:21:00,229 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:00,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:00,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1927704836, now seen corresponding path program 1 times [2023-11-28 20:21:00,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:00,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817370971] [2023-11-28 20:21:00,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:00,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:00,539 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-11-28 20:21:00,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:00,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817370971] [2023-11-28 20:21:00,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817370971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:21:00,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:21:00,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:21:00,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362601692] [2023-11-28 20:21:00,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:00,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:21:00,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:00,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:21:00,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:21:00,542 INFO L87 Difference]: Start difference. First operand 2710 states and 3523 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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) [2023-11-28 20:21:02,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:02,626 INFO L93 Difference]: Finished difference Result 7983 states and 10360 transitions. [2023-11-28 20:21:02,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:21:02,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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 195 [2023-11-28 20:21:02,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:02,644 INFO L225 Difference]: With dead ends: 7983 [2023-11-28 20:21:02,644 INFO L226 Difference]: Without dead ends: 4420 [2023-11-28 20:21:02,647 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 [2023-11-28 20:21:02,648 INFO L413 NwaCegarLoop]: 514 mSDtfsCounter, 386 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 548 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 548 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:21:02,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 589 Invalid, 1630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [548 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-28 20:21:02,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4420 states. [2023-11-28 20:21:02,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4420 to 3570. [2023-11-28 20:21:02,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3570 states, 3569 states have (on average 1.177640795741104) internal successors, (4203), 3569 states have internal predecessors, (4203), 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) [2023-11-28 20:21:02,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3570 states to 3570 states and 4203 transitions. [2023-11-28 20:21:02,759 INFO L78 Accepts]: Start accepts. Automaton has 3570 states and 4203 transitions. Word has length 195 [2023-11-28 20:21:02,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:02,759 INFO L495 AbstractCegarLoop]: Abstraction has 3570 states and 4203 transitions. [2023-11-28 20:21:02,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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) [2023-11-28 20:21:02,760 INFO L276 IsEmpty]: Start isEmpty. Operand 3570 states and 4203 transitions. [2023-11-28 20:21:02,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-28 20:21:02,764 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:02,764 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, 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] [2023-11-28 20:21:02,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-28 20:21:02,764 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:02,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:02,765 INFO L85 PathProgramCache]: Analyzing trace with hash -2022837234, now seen corresponding path program 1 times [2023-11-28 20:21:02,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:02,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126981322] [2023-11-28 20:21:02,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:02,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:03,088 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:21:03,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:03,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126981322] [2023-11-28 20:21:03,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126981322] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:21:03,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:21:03,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:21:03,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062887584] [2023-11-28 20:21:03,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:03,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:21:03,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:03,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:21:03,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:21:03,091 INFO L87 Difference]: Start difference. First operand 3570 states and 4203 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) [2023-11-28 20:21:05,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:05,060 INFO L93 Difference]: Finished difference Result 9272 states and 11086 transitions. [2023-11-28 20:21:05,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:21:05,061 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 208 [2023-11-28 20:21:05,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:05,081 INFO L225 Difference]: With dead ends: 9272 [2023-11-28 20:21:05,081 INFO L226 Difference]: Without dead ends: 5703 [2023-11-28 20:21:05,086 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 [2023-11-28 20:21:05,087 INFO L413 NwaCegarLoop]: 724 mSDtfsCounter, 496 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 1443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-28 20:21:05,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 781 Invalid, 1443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-28 20:21:05,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5703 states. [2023-11-28 20:21:05,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5703 to 5703. [2023-11-28 20:21:05,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5703 states, 5702 states have (on average 1.1595931252192213) internal successors, (6612), 5702 states have internal predecessors, (6612), 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) [2023-11-28 20:21:05,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5703 states to 5703 states and 6612 transitions. [2023-11-28 20:21:05,167 INFO L78 Accepts]: Start accepts. Automaton has 5703 states and 6612 transitions. Word has length 208 [2023-11-28 20:21:05,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:05,168 INFO L495 AbstractCegarLoop]: Abstraction has 5703 states and 6612 transitions. [2023-11-28 20:21:05,169 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) [2023-11-28 20:21:05,169 INFO L276 IsEmpty]: Start isEmpty. Operand 5703 states and 6612 transitions. [2023-11-28 20:21:05,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-28 20:21:05,172 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:05,172 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:21:05,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-28 20:21:05,173 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:05,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:05,173 INFO L85 PathProgramCache]: Analyzing trace with hash 770269171, now seen corresponding path program 1 times [2023-11-28 20:21:05,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:05,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990418382] [2023-11-28 20:21:05,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:05,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:05,310 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-28 20:21:05,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:05,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990418382] [2023-11-28 20:21:05,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990418382] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:21:05,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:21:05,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:21:05,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786492782] [2023-11-28 20:21:05,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:05,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:21:05,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:05,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:21:05,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:21:05,313 INFO L87 Difference]: Start difference. First operand 5703 states and 6612 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2023-11-28 20:21:07,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:07,597 INFO L93 Difference]: Finished difference Result 14375 states and 16775 transitions. [2023-11-28 20:21:07,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:21:07,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 210 [2023-11-28 20:21:07,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:07,629 INFO L225 Difference]: With dead ends: 14375 [2023-11-28 20:21:07,629 INFO L226 Difference]: Without dead ends: 8672 [2023-11-28 20:21:07,635 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 [2023-11-28 20:21:07,635 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 393 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:21:07,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 442 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-28 20:21:07,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8672 states. [2023-11-28 20:21:07,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8672 to 5676. [2023-11-28 20:21:07,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5676 states, 5675 states have (on average 1.157885462555066) internal successors, (6571), 5675 states have internal predecessors, (6571), 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) [2023-11-28 20:21:07,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5676 states to 5676 states and 6571 transitions. [2023-11-28 20:21:07,762 INFO L78 Accepts]: Start accepts. Automaton has 5676 states and 6571 transitions. Word has length 210 [2023-11-28 20:21:07,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:07,762 INFO L495 AbstractCegarLoop]: Abstraction has 5676 states and 6571 transitions. [2023-11-28 20:21:07,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2023-11-28 20:21:07,763 INFO L276 IsEmpty]: Start isEmpty. Operand 5676 states and 6571 transitions. [2023-11-28 20:21:07,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2023-11-28 20:21:07,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:07,769 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2023-11-28 20:21:07,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-28 20:21:07,769 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:07,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:07,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1455939473, now seen corresponding path program 1 times [2023-11-28 20:21:07,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:07,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127609482] [2023-11-28 20:21:07,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:07,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:08,074 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-28 20:21:08,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:08,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127609482] [2023-11-28 20:21:08,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127609482] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:21:08,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:21:08,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:21:08,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584898945] [2023-11-28 20:21:08,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:08,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:21:08,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:08,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:21:08,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:21:08,077 INFO L87 Difference]: Start difference. First operand 5676 states and 6571 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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) [2023-11-28 20:21:10,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:10,337 INFO L93 Difference]: Finished difference Result 14314 states and 16679 transitions. [2023-11-28 20:21:10,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:21:10,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 288 [2023-11-28 20:21:10,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:10,363 INFO L225 Difference]: With dead ends: 14314 [2023-11-28 20:21:10,363 INFO L226 Difference]: Without dead ends: 7789 [2023-11-28 20:21:10,368 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 [2023-11-28 20:21:10,369 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 383 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:21:10,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 844 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 1200 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-28 20:21:10,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7789 states. [2023-11-28 20:21:10,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7789 to 7789. [2023-11-28 20:21:10,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7789 states, 7788 states have (on average 1.11864406779661) internal successors, (8712), 7788 states have internal predecessors, (8712), 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) [2023-11-28 20:21:10,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7789 states to 7789 states and 8712 transitions. [2023-11-28 20:21:10,469 INFO L78 Accepts]: Start accepts. Automaton has 7789 states and 8712 transitions. Word has length 288 [2023-11-28 20:21:10,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:10,470 INFO L495 AbstractCegarLoop]: Abstraction has 7789 states and 8712 transitions. [2023-11-28 20:21:10,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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) [2023-11-28 20:21:10,470 INFO L276 IsEmpty]: Start isEmpty. Operand 7789 states and 8712 transitions. [2023-11-28 20:21:10,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2023-11-28 20:21:10,475 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:10,476 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, 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, 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] [2023-11-28 20:21:10,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-28 20:21:10,476 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:10,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:10,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1781076972, now seen corresponding path program 1 times [2023-11-28 20:21:10,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:10,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517858605] [2023-11-28 20:21:10,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:10,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-11-28 20:21:10,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:10,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517858605] [2023-11-28 20:21:10,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517858605] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:21:10,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:21:10,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:21:10,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224648606] [2023-11-28 20:21:10,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:10,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:21:10,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:10,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:21:10,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:21:10,713 INFO L87 Difference]: Start difference. First operand 7789 states and 8712 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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) [2023-11-28 20:21:12,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:12,860 INFO L93 Difference]: Finished difference Result 18558 states and 20912 transitions. [2023-11-28 20:21:12,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:21:12,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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 328 [2023-11-28 20:21:12,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:12,880 INFO L225 Difference]: With dead ends: 18558 [2023-11-28 20:21:12,880 INFO L226 Difference]: Without dead ends: 10770 [2023-11-28 20:21:12,888 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 [2023-11-28 20:21:12,888 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 414 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 1485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-28 20:21:12,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 400 Invalid, 1485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 1218 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-28 20:21:12,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10770 states. [2023-11-28 20:21:12,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10770 to 9915. [2023-11-28 20:21:12,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9915 states, 9914 states have (on average 1.1194270728263063) internal successors, (11098), 9914 states have internal predecessors, (11098), 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) [2023-11-28 20:21:12,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9915 states to 9915 states and 11098 transitions. [2023-11-28 20:21:12,997 INFO L78 Accepts]: Start accepts. Automaton has 9915 states and 11098 transitions. Word has length 328 [2023-11-28 20:21:12,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:12,997 INFO L495 AbstractCegarLoop]: Abstraction has 9915 states and 11098 transitions. [2023-11-28 20:21:12,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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) [2023-11-28 20:21:12,998 INFO L276 IsEmpty]: Start isEmpty. Operand 9915 states and 11098 transitions. [2023-11-28 20:21:13,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2023-11-28 20:21:13,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:13,005 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:21:13,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-28 20:21:13,006 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:13,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:13,006 INFO L85 PathProgramCache]: Analyzing trace with hash -454396436, now seen corresponding path program 1 times [2023-11-28 20:21:13,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:13,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437245205] [2023-11-28 20:21:13,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:13,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:13,500 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:21:13,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:13,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437245205] [2023-11-28 20:21:13,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437245205] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:21:13,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:21:13,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:21:13,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563596451] [2023-11-28 20:21:13,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:13,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:21:13,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:13,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:21:13,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:21:13,503 INFO L87 Difference]: Start difference. First operand 9915 states and 11098 transitions. Second operand has 4 states, 4 states have (on average 98.75) internal successors, (395), 3 states have internal predecessors, (395), 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) [2023-11-28 20:21:16,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:16,401 INFO L93 Difference]: Finished difference Result 26238 states and 29413 transitions. [2023-11-28 20:21:16,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:21:16,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 98.75) internal successors, (395), 3 states have internal predecessors, (395), 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 395 [2023-11-28 20:21:16,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:16,431 INFO L225 Difference]: With dead ends: 26238 [2023-11-28 20:21:16,431 INFO L226 Difference]: Without dead ends: 15899 [2023-11-28 20:21:16,442 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 [2023-11-28 20:21:16,443 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 618 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 2439 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 618 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 2769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 2439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-28 20:21:16,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [618 Valid, 206 Invalid, 2769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 2439 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-28 20:21:16,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15899 states. [2023-11-28 20:21:16,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15899 to 15897. [2023-11-28 20:21:16,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15897 states, 15896 states have (on average 1.1247483643683946) internal successors, (17879), 15896 states have internal predecessors, (17879), 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) [2023-11-28 20:21:16,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15897 states to 15897 states and 17879 transitions. [2023-11-28 20:21:16,656 INFO L78 Accepts]: Start accepts. Automaton has 15897 states and 17879 transitions. Word has length 395 [2023-11-28 20:21:16,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:16,656 INFO L495 AbstractCegarLoop]: Abstraction has 15897 states and 17879 transitions. [2023-11-28 20:21:16,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.75) internal successors, (395), 3 states have internal predecessors, (395), 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) [2023-11-28 20:21:16,656 INFO L276 IsEmpty]: Start isEmpty. Operand 15897 states and 17879 transitions. [2023-11-28 20:21:16,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2023-11-28 20:21:16,664 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:16,664 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-28 20:21:16,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-28 20:21:16,665 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:16,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:16,665 INFO L85 PathProgramCache]: Analyzing trace with hash -561667651, now seen corresponding path program 1 times [2023-11-28 20:21:16,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:16,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846630196] [2023-11-28 20:21:16,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:16,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:16,973 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2023-11-28 20:21:16,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:16,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846630196] [2023-11-28 20:21:16,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846630196] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:21:16,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:21:16,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:21:16,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898114962] [2023-11-28 20:21:16,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:16,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:21:16,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:16,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:21:16,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:21:16,976 INFO L87 Difference]: Start difference. First operand 15897 states and 17879 transitions. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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) [2023-11-28 20:21:19,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:19,140 INFO L93 Difference]: Finished difference Result 44147 states and 49783 transitions. [2023-11-28 20:21:19,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:21:19,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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 429 [2023-11-28 20:21:19,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:19,174 INFO L225 Difference]: With dead ends: 44147 [2023-11-28 20:21:19,174 INFO L226 Difference]: Without dead ends: 28251 [2023-11-28 20:21:19,187 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 [2023-11-28 20:21:19,187 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 496 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:21:19,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 285 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-28 20:21:19,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28251 states. [2023-11-28 20:21:19,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28251 to 27808. [2023-11-28 20:21:19,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27808 states, 27807 states have (on average 1.1171647426906894) internal successors, (31065), 27807 states have internal predecessors, (31065), 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) [2023-11-28 20:21:19,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27808 states to 27808 states and 31065 transitions. [2023-11-28 20:21:19,569 INFO L78 Accepts]: Start accepts. Automaton has 27808 states and 31065 transitions. Word has length 429 [2023-11-28 20:21:19,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:19,570 INFO L495 AbstractCegarLoop]: Abstraction has 27808 states and 31065 transitions. [2023-11-28 20:21:19,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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) [2023-11-28 20:21:19,570 INFO L276 IsEmpty]: Start isEmpty. Operand 27808 states and 31065 transitions. [2023-11-28 20:21:19,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2023-11-28 20:21:19,579 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:19,579 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:21:19,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-28 20:21:19,579 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:19,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:19,580 INFO L85 PathProgramCache]: Analyzing trace with hash 2115549210, now seen corresponding path program 1 times [2023-11-28 20:21:19,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:19,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479020206] [2023-11-28 20:21:19,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:19,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:19,897 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-28 20:21:19,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:19,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479020206] [2023-11-28 20:21:19,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479020206] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:21:19,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:21:19,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:21:19,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808789121] [2023-11-28 20:21:19,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:19,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:21:19,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:19,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:21:19,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:21:19,900 INFO L87 Difference]: Start difference. First operand 27808 states and 31065 transitions. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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) [2023-11-28 20:21:22,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:22,111 INFO L93 Difference]: Finished difference Result 62013 states and 69500 transitions. [2023-11-28 20:21:22,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:21:22,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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 442 [2023-11-28 20:21:22,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:22,142 INFO L225 Difference]: With dead ends: 62013 [2023-11-28 20:21:22,142 INFO L226 Difference]: Without dead ends: 32501 [2023-11-28 20:21:22,158 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 [2023-11-28 20:21:22,159 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 415 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 1488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:21:22,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 839 Invalid, 1488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-28 20:21:22,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32501 states. [2023-11-28 20:21:22,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32501 to 32495. [2023-11-28 20:21:22,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32495 states, 32494 states have (on average 1.1129439281098048) internal successors, (36164), 32494 states have internal predecessors, (36164), 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) [2023-11-28 20:21:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32495 states to 32495 states and 36164 transitions. [2023-11-28 20:21:22,542 INFO L78 Accepts]: Start accepts. Automaton has 32495 states and 36164 transitions. Word has length 442 [2023-11-28 20:21:22,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:22,542 INFO L495 AbstractCegarLoop]: Abstraction has 32495 states and 36164 transitions. [2023-11-28 20:21:22,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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) [2023-11-28 20:21:22,543 INFO L276 IsEmpty]: Start isEmpty. Operand 32495 states and 36164 transitions. [2023-11-28 20:21:22,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2023-11-28 20:21:22,554 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:22,554 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:21:22,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-28 20:21:22,555 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:22,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:22,555 INFO L85 PathProgramCache]: Analyzing trace with hash 535415003, now seen corresponding path program 1 times [2023-11-28 20:21:22,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:22,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818075055] [2023-11-28 20:21:22,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:22,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:23,142 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2023-11-28 20:21:23,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:23,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818075055] [2023-11-28 20:21:23,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818075055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:21:23,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:21:23,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:21:23,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717215078] [2023-11-28 20:21:23,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:23,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:21:23,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:23,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:21:23,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:21:23,146 INFO L87 Difference]: Start difference. First operand 32495 states and 36164 transitions. Second operand has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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) [2023-11-28 20:21:25,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:25,659 INFO L93 Difference]: Finished difference Result 77800 states and 86692 transitions. [2023-11-28 20:21:25,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:21:25,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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 491 [2023-11-28 20:21:25,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:25,709 INFO L225 Difference]: With dead ends: 77800 [2023-11-28 20:21:25,709 INFO L226 Difference]: Without dead ends: 45306 [2023-11-28 20:21:25,733 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 [2023-11-28 20:21:25,734 INFO L413 NwaCegarLoop]: 697 mSDtfsCounter, 447 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:21:25,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 751 Invalid, 1545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-28 20:21:25,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45306 states. [2023-11-28 20:21:26,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45306 to 43579. [2023-11-28 20:21:26,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43579 states, 43578 states have (on average 1.1083344807012714) internal successors, (48299), 43578 states have internal predecessors, (48299), 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) [2023-11-28 20:21:26,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43579 states to 43579 states and 48299 transitions. [2023-11-28 20:21:26,208 INFO L78 Accepts]: Start accepts. Automaton has 43579 states and 48299 transitions. Word has length 491 [2023-11-28 20:21:26,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:26,209 INFO L495 AbstractCegarLoop]: Abstraction has 43579 states and 48299 transitions. [2023-11-28 20:21:26,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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) [2023-11-28 20:21:26,209 INFO L276 IsEmpty]: Start isEmpty. Operand 43579 states and 48299 transitions. [2023-11-28 20:21:26,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2023-11-28 20:21:26,223 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:26,223 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:21:26,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-28 20:21:26,223 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:26,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:26,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1125798129, now seen corresponding path program 1 times [2023-11-28 20:21:26,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:26,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901895634] [2023-11-28 20:21:26,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:26,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:27,032 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-28 20:21:27,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:27,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901895634] [2023-11-28 20:21:27,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901895634] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:21:27,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:21:27,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:21:27,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516754366] [2023-11-28 20:21:27,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:27,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:21:27,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:27,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:21:27,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:21:27,035 INFO L87 Difference]: Start difference. First operand 43579 states and 48299 transitions. Second operand has 5 states, 5 states have (on average 83.6) internal successors, (418), 4 states have internal predecessors, (418), 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) [2023-11-28 20:21:30,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:30,304 INFO L93 Difference]: Finished difference Result 100818 states and 111451 transitions. [2023-11-28 20:21:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:21:30,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 83.6) internal successors, (418), 4 states have internal predecessors, (418), 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 499 [2023-11-28 20:21:30,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:30,354 INFO L225 Difference]: With dead ends: 100818 [2023-11-28 20:21:30,354 INFO L226 Difference]: Without dead ends: 57228 [2023-11-28 20:21:30,378 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 [2023-11-28 20:21:30,378 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 1330 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 2145 mSolverCounterSat, 283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 2428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 283 IncrementalHoareTripleChecker+Valid, 2145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-28 20:21:30,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1330 Valid, 185 Invalid, 2428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [283 Valid, 2145 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-28 20:21:30,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57228 states. [2023-11-28 20:21:30,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57228 to 57181. [2023-11-28 20:21:30,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57181 states, 57180 states have (on average 1.1003847499125567) internal successors, (62920), 57180 states have internal predecessors, (62920), 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) [2023-11-28 20:21:30,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57181 states to 57181 states and 62920 transitions. [2023-11-28 20:21:30,984 INFO L78 Accepts]: Start accepts. Automaton has 57181 states and 62920 transitions. Word has length 499 [2023-11-28 20:21:30,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:30,984 INFO L495 AbstractCegarLoop]: Abstraction has 57181 states and 62920 transitions. [2023-11-28 20:21:30,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 83.6) internal successors, (418), 4 states have internal predecessors, (418), 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) [2023-11-28 20:21:30,984 INFO L276 IsEmpty]: Start isEmpty. Operand 57181 states and 62920 transitions. [2023-11-28 20:21:31,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2023-11-28 20:21:31,001 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:31,001 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:21:31,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-28 20:21:31,001 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:31,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:31,002 INFO L85 PathProgramCache]: Analyzing trace with hash 597318208, now seen corresponding path program 1 times [2023-11-28 20:21:31,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:31,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43547251] [2023-11-28 20:21:31,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:31,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-11-28 20:21:31,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:31,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43547251] [2023-11-28 20:21:31,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43547251] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:21:31,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:21:31,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:21:31,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53466477] [2023-11-28 20:21:31,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:31,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:21:31,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:31,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:21:31,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:21:31,487 INFO L87 Difference]: Start difference. First operand 57181 states and 62920 transitions. Second operand has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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) [2023-11-28 20:21:33,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:33,519 INFO L93 Difference]: Finished difference Result 113924 states and 125399 transitions. [2023-11-28 20:21:33,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:21:33,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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 523 [2023-11-28 20:21:33,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:33,567 INFO L225 Difference]: With dead ends: 113924 [2023-11-28 20:21:33,567 INFO L226 Difference]: Without dead ends: 56744 [2023-11-28 20:21:33,590 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 [2023-11-28 20:21:33,591 INFO L413 NwaCegarLoop]: 662 mSDtfsCounter, 440 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-28 20:21:33,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 727 Invalid, 1336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-28 20:21:33,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56744 states. [2023-11-28 20:21:34,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56744 to 55040. [2023-11-28 20:21:34,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55040 states, 55039 states have (on average 1.0807609149875543) internal successors, (59484), 55039 states have internal predecessors, (59484), 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) [2023-11-28 20:21:34,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55040 states to 55040 states and 59484 transitions. [2023-11-28 20:21:34,316 INFO L78 Accepts]: Start accepts. Automaton has 55040 states and 59484 transitions. Word has length 523 [2023-11-28 20:21:34,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:34,317 INFO L495 AbstractCegarLoop]: Abstraction has 55040 states and 59484 transitions. [2023-11-28 20:21:34,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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) [2023-11-28 20:21:34,317 INFO L276 IsEmpty]: Start isEmpty. Operand 55040 states and 59484 transitions. [2023-11-28 20:21:34,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2023-11-28 20:21:34,350 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:34,350 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2023-11-28 20:21:34,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-28 20:21:34,351 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:34,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:34,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1400007016, now seen corresponding path program 1 times [2023-11-28 20:21:34,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:34,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169383019] [2023-11-28 20:21:34,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:34,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:35,301 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 377 proven. 82 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-28 20:21:35,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:35,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169383019] [2023-11-28 20:21:35,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169383019] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:21:35,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120305707] [2023-11-28 20:21:35,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:35,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:21:35,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:21:35,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:21:35,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-28 20:21:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:35,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 20:21:35,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:21:36,307 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 350 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:21:36,307 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:21:36,985 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 514 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:21:36,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120305707] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 20:21:36,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-28 20:21:36,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3, 4] total 7 [2023-11-28 20:21:36,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959166703] [2023-11-28 20:21:36,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:36,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:21:36,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:36,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:21:36,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:21:36,989 INFO L87 Difference]: Start difference. First operand 55040 states and 59484 transitions. Second operand has 5 states, 5 states have (on average 116.0) internal successors, (580), 4 states have internal predecessors, (580), 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) [2023-11-28 20:21:41,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:41,425 INFO L93 Difference]: Finished difference Result 150504 states and 163316 transitions. [2023-11-28 20:21:41,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:21:41,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 116.0) internal successors, (580), 4 states have internal predecessors, (580), 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 580 [2023-11-28 20:21:41,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:41,504 INFO L225 Difference]: With dead ends: 150504 [2023-11-28 20:21:41,504 INFO L226 Difference]: Without dead ends: 91203 [2023-11-28 20:21:41,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1161 GetRequests, 1155 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-11-28 20:21:41,533 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 1388 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 2687 mSolverCounterSat, 1178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1388 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 3865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1178 IncrementalHoareTripleChecker+Valid, 2687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:21:41,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1388 Valid, 174 Invalid, 3865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1178 Valid, 2687 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-28 20:21:41,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91203 states. [2023-11-28 20:21:42,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91203 to 70758. [2023-11-28 20:21:42,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70758 states, 70757 states have (on average 1.0745933264553331) internal successors, (76035), 70757 states have internal predecessors, (76035), 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) [2023-11-28 20:21:42,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70758 states to 70758 states and 76035 transitions. [2023-11-28 20:21:42,548 INFO L78 Accepts]: Start accepts. Automaton has 70758 states and 76035 transitions. Word has length 580 [2023-11-28 20:21:42,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:42,549 INFO L495 AbstractCegarLoop]: Abstraction has 70758 states and 76035 transitions. [2023-11-28 20:21:42,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 116.0) internal successors, (580), 4 states have internal predecessors, (580), 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) [2023-11-28 20:21:42,549 INFO L276 IsEmpty]: Start isEmpty. Operand 70758 states and 76035 transitions. [2023-11-28 20:21:42,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2023-11-28 20:21:42,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:42,569 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:21:42,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-28 20:21:42,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-28 20:21:42,769 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:42,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:42,770 INFO L85 PathProgramCache]: Analyzing trace with hash 854396144, now seen corresponding path program 1 times [2023-11-28 20:21:42,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:42,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395100169] [2023-11-28 20:21:42,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:42,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:43,088 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-11-28 20:21:43,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:43,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395100169] [2023-11-28 20:21:43,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395100169] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:21:43,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:21:43,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:21:43,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105049787] [2023-11-28 20:21:43,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:43,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:21:43,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:43,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:21:43,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:21:43,091 INFO L87 Difference]: Start difference. First operand 70758 states and 76035 transitions. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2023-11-28 20:21:45,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:45,362 INFO L93 Difference]: Finished difference Result 146158 states and 157045 transitions. [2023-11-28 20:21:45,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:21:45,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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 599 [2023-11-28 20:21:45,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:45,422 INFO L225 Difference]: With dead ends: 146158 [2023-11-28 20:21:45,422 INFO L226 Difference]: Without dead ends: 71998 [2023-11-28 20:21:45,446 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 [2023-11-28 20:21:45,446 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 492 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 1351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-28 20:21:45,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 617 Invalid, 1351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 1135 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-28 20:21:45,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71998 states. [2023-11-28 20:21:46,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71998 to 68590. [2023-11-28 20:21:46,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68590 states, 68589 states have (on average 1.0692822464243537) internal successors, (73341), 68589 states have internal predecessors, (73341), 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) [2023-11-28 20:21:46,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68590 states to 68590 states and 73341 transitions. [2023-11-28 20:21:46,221 INFO L78 Accepts]: Start accepts. Automaton has 68590 states and 73341 transitions. Word has length 599 [2023-11-28 20:21:46,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:46,221 INFO L495 AbstractCegarLoop]: Abstraction has 68590 states and 73341 transitions. [2023-11-28 20:21:46,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2023-11-28 20:21:46,222 INFO L276 IsEmpty]: Start isEmpty. Operand 68590 states and 73341 transitions. [2023-11-28 20:21:46,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2023-11-28 20:21:46,243 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:46,243 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-28 20:21:46,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-28 20:21:46,244 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:46,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:46,244 INFO L85 PathProgramCache]: Analyzing trace with hash 428877293, now seen corresponding path program 1 times [2023-11-28 20:21:46,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:46,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444149411] [2023-11-28 20:21:46,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:46,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:47,404 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 624 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-28 20:21:47,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:47,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444149411] [2023-11-28 20:21:47,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444149411] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:21:47,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:21:47,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:21:47,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247282133] [2023-11-28 20:21:47,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:47,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:21:47,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:47,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:21:47,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:21:47,407 INFO L87 Difference]: Start difference. First operand 68590 states and 73341 transitions. Second operand has 5 states, 5 states have (on average 111.0) internal successors, (555), 4 states have internal predecessors, (555), 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) [2023-11-28 20:21:50,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:50,358 INFO L93 Difference]: Finished difference Result 149116 states and 159508 transitions. [2023-11-28 20:21:50,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:21:50,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 111.0) internal successors, (555), 4 states have internal predecessors, (555), 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 717 [2023-11-28 20:21:50,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:50,431 INFO L225 Difference]: With dead ends: 149116 [2023-11-28 20:21:50,431 INFO L226 Difference]: Without dead ends: 80522 [2023-11-28 20:21:50,466 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 [2023-11-28 20:21:50,466 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 1041 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1838 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1041 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 2092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 1838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-28 20:21:50,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1041 Valid, 96 Invalid, 2092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 1838 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-28 20:21:50,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80522 states. [2023-11-28 20:21:51,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80522 to 64765. [2023-11-28 20:21:51,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64765 states, 64764 states have (on average 1.0696528935828546) internal successors, (69275), 64764 states have internal predecessors, (69275), 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) [2023-11-28 20:21:51,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64765 states to 64765 states and 69275 transitions. [2023-11-28 20:21:51,353 INFO L78 Accepts]: Start accepts. Automaton has 64765 states and 69275 transitions. Word has length 717 [2023-11-28 20:21:51,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:51,354 INFO L495 AbstractCegarLoop]: Abstraction has 64765 states and 69275 transitions. [2023-11-28 20:21:51,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 111.0) internal successors, (555), 4 states have internal predecessors, (555), 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) [2023-11-28 20:21:51,354 INFO L276 IsEmpty]: Start isEmpty. Operand 64765 states and 69275 transitions. [2023-11-28 20:21:51,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 740 [2023-11-28 20:21:51,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:51,385 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-28 20:21:51,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-28 20:21:51,386 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:51,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:51,386 INFO L85 PathProgramCache]: Analyzing trace with hash 89271606, now seen corresponding path program 1 times [2023-11-28 20:21:51,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:51,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126099454] [2023-11-28 20:21:51,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:51,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-28 20:21:52,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:52,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126099454] [2023-11-28 20:21:52,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126099454] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:21:52,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:21:52,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:21:52,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197859080] [2023-11-28 20:21:52,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:52,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:21:52,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:52,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:21:52,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:21:52,672 INFO L87 Difference]: Start difference. First operand 64765 states and 69275 transitions. Second operand has 5 states, 5 states have (on average 115.4) internal successors, (577), 4 states have internal predecessors, (577), 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) [2023-11-28 20:21:55,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:55,141 INFO L93 Difference]: Finished difference Result 73716 states and 78698 transitions. [2023-11-28 20:21:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:21:55,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 115.4) internal successors, (577), 4 states have internal predecessors, (577), 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 739 [2023-11-28 20:21:55,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:55,197 INFO L225 Difference]: With dead ends: 73716 [2023-11-28 20:21:55,197 INFO L226 Difference]: Without dead ends: 73284 [2023-11-28 20:21:55,211 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 [2023-11-28 20:21:55,211 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 1025 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1871 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 2167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 1871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-28 20:21:55,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 97 Invalid, 2167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 1871 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-28 20:21:55,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73284 states. [2023-11-28 20:21:55,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73284 to 65615. [2023-11-28 20:21:55,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65615 states, 65614 states have (on average 1.0701984332611942) internal successors, (70220), 65614 states have internal predecessors, (70220), 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) [2023-11-28 20:21:55,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65615 states to 65615 states and 70220 transitions. [2023-11-28 20:21:55,995 INFO L78 Accepts]: Start accepts. Automaton has 65615 states and 70220 transitions. Word has length 739 [2023-11-28 20:21:55,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:55,996 INFO L495 AbstractCegarLoop]: Abstraction has 65615 states and 70220 transitions. [2023-11-28 20:21:55,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 115.4) internal successors, (577), 4 states have internal predecessors, (577), 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) [2023-11-28 20:21:55,996 INFO L276 IsEmpty]: Start isEmpty. Operand 65615 states and 70220 transitions. [2023-11-28 20:21:56,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 785 [2023-11-28 20:21:56,033 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:56,034 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, 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, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:21:56,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-28 20:21:56,034 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:56,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:56,035 INFO L85 PathProgramCache]: Analyzing trace with hash -475492488, now seen corresponding path program 1 times [2023-11-28 20:21:56,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:56,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233099314] [2023-11-28 20:21:56,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:56,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:56,495 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2023-11-28 20:21:56,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:56,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233099314] [2023-11-28 20:21:56,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233099314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:21:56,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:21:56,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:21:56,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79359110] [2023-11-28 20:21:56,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:56,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:21:56,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:56,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:21:56,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:21:56,499 INFO L87 Difference]: Start difference. First operand 65615 states and 70220 transitions. Second operand has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 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) [2023-11-28 20:21:58,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:21:58,408 INFO L93 Difference]: Finished difference Result 135053 states and 144492 transitions. [2023-11-28 20:21:58,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:21:58,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 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 784 [2023-11-28 20:21:58,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:21:58,477 INFO L225 Difference]: With dead ends: 135053 [2023-11-28 20:21:58,477 INFO L226 Difference]: Without dead ends: 69439 [2023-11-28 20:21:58,502 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 [2023-11-28 20:21:58,503 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 439 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:21:58,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 312 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1136 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-28 20:21:58,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69439 states. [2023-11-28 20:21:59,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69439 to 64331. [2023-11-28 20:21:59,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64331 states, 64330 states have (on average 1.0694388310275145) internal successors, (68797), 64330 states have internal predecessors, (68797), 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) [2023-11-28 20:21:59,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64331 states to 64331 states and 68797 transitions. [2023-11-28 20:21:59,284 INFO L78 Accepts]: Start accepts. Automaton has 64331 states and 68797 transitions. Word has length 784 [2023-11-28 20:21:59,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:21:59,285 INFO L495 AbstractCegarLoop]: Abstraction has 64331 states and 68797 transitions. [2023-11-28 20:21:59,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 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) [2023-11-28 20:21:59,285 INFO L276 IsEmpty]: Start isEmpty. Operand 64331 states and 68797 transitions. [2023-11-28 20:21:59,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2023-11-28 20:21:59,309 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:21:59,310 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:21:59,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-28 20:21:59,310 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:21:59,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:21:59,310 INFO L85 PathProgramCache]: Analyzing trace with hash 419583697, now seen corresponding path program 1 times [2023-11-28 20:21:59,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:21:59,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597293738] [2023-11-28 20:21:59,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:21:59,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:21:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:21:59,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 912 trivial. 0 not checked. [2023-11-28 20:21:59,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:21:59,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597293738] [2023-11-28 20:21:59,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597293738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:21:59,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:21:59,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:21:59,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188677250] [2023-11-28 20:21:59,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:21:59,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:21:59,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:21:59,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:21:59,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:21:59,722 INFO L87 Difference]: Start difference. First operand 64331 states and 68797 transitions. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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) [2023-11-28 20:22:01,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:01,748 INFO L93 Difference]: Finished difference Result 131207 states and 140162 transitions. [2023-11-28 20:22:01,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:22:01,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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 790 [2023-11-28 20:22:01,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:01,799 INFO L225 Difference]: With dead ends: 131207 [2023-11-28 20:22:01,800 INFO L226 Difference]: Without dead ends: 63902 [2023-11-28 20:22:01,824 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 [2023-11-28 20:22:01,825 INFO L413 NwaCegarLoop]: 672 mSDtfsCounter, 440 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 1181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:01,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 715 Invalid, 1181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-28 20:22:01,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63902 states. [2023-11-28 20:22:02,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63902 to 62199. [2023-11-28 20:22:02,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62199 states, 62198 states have (on average 1.06320138911219) internal successors, (66129), 62198 states have internal predecessors, (66129), 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) [2023-11-28 20:22:02,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62199 states to 62199 states and 66129 transitions. [2023-11-28 20:22:02,519 INFO L78 Accepts]: Start accepts. Automaton has 62199 states and 66129 transitions. Word has length 790 [2023-11-28 20:22:02,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:02,520 INFO L495 AbstractCegarLoop]: Abstraction has 62199 states and 66129 transitions. [2023-11-28 20:22:02,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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) [2023-11-28 20:22:02,520 INFO L276 IsEmpty]: Start isEmpty. Operand 62199 states and 66129 transitions. [2023-11-28 20:22:02,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1013 [2023-11-28 20:22:02,552 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:02,552 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-28 20:22:02,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-28 20:22:02,553 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:02,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:02,553 INFO L85 PathProgramCache]: Analyzing trace with hash -646202274, now seen corresponding path program 1 times [2023-11-28 20:22:02,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:02,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558862566] [2023-11-28 20:22:02,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:02,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:03,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1491 backedges. 906 proven. 0 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2023-11-28 20:22:03,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:03,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558862566] [2023-11-28 20:22:03,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558862566] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:03,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:03,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:22:03,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375661174] [2023-11-28 20:22:03,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:03,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:22:03,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:03,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:22:03,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:22:03,535 INFO L87 Difference]: Start difference. First operand 62199 states and 66129 transitions. Second operand has 4 states, 4 states have (on average 174.75) internal successors, (699), 4 states have internal predecessors, (699), 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) [2023-11-28 20:22:06,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:06,991 INFO L93 Difference]: Finished difference Result 141441 states and 149983 transitions. [2023-11-28 20:22:06,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:22:06,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 174.75) internal successors, (699), 4 states have internal predecessors, (699), 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 1012 [2023-11-28 20:22:06,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:07,056 INFO L225 Difference]: With dead ends: 141441 [2023-11-28 20:22:07,056 INFO L226 Difference]: Without dead ends: 77116 [2023-11-28 20:22:07,074 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 [2023-11-28 20:22:07,075 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 586 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 2277 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 2715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 2277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:07,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 103 Invalid, 2715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [438 Valid, 2277 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-28 20:22:07,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77116 states. [2023-11-28 20:22:07,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77116 to 66029. [2023-11-28 20:22:07,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66029 states, 66028 states have (on average 1.0617919670442841) internal successors, (70108), 66028 states have internal predecessors, (70108), 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) [2023-11-28 20:22:07,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66029 states to 66029 states and 70108 transitions. [2023-11-28 20:22:07,973 INFO L78 Accepts]: Start accepts. Automaton has 66029 states and 70108 transitions. Word has length 1012 [2023-11-28 20:22:07,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:07,974 INFO L495 AbstractCegarLoop]: Abstraction has 66029 states and 70108 transitions. [2023-11-28 20:22:07,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 174.75) internal successors, (699), 4 states have internal predecessors, (699), 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) [2023-11-28 20:22:07,974 INFO L276 IsEmpty]: Start isEmpty. Operand 66029 states and 70108 transitions. [2023-11-28 20:22:08,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1015 [2023-11-28 20:22:08,187 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:08,187 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-28 20:22:08,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-28 20:22:08,188 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:08,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:08,188 INFO L85 PathProgramCache]: Analyzing trace with hash -85685999, now seen corresponding path program 1 times [2023-11-28 20:22:08,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:08,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759263927] [2023-11-28 20:22:08,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:08,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:09,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1343 backedges. 852 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2023-11-28 20:22:09,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:09,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759263927] [2023-11-28 20:22:09,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759263927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:09,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:09,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:22:09,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554820209] [2023-11-28 20:22:09,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:09,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:22:09,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:09,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:22:09,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:22:09,141 INFO L87 Difference]: Start difference. First operand 66029 states and 70108 transitions. Second operand has 4 states, 4 states have (on average 188.75) internal successors, (755), 4 states have internal predecessors, (755), 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) [2023-11-28 20:22:12,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:12,829 INFO L93 Difference]: Finished difference Result 128626 states and 136628 transitions. [2023-11-28 20:22:12,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:22:12,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 188.75) internal successors, (755), 4 states have internal predecessors, (755), 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 1014 [2023-11-28 20:22:12,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:12,879 INFO L225 Difference]: With dead ends: 128626 [2023-11-28 20:22:12,879 INFO L226 Difference]: Without dead ends: 61746 [2023-11-28 20:22:12,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:22:12,902 INFO L413 NwaCegarLoop]: 525 mSDtfsCounter, 566 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 3488 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 3908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 3488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:12,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 590 Invalid, 3908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 3488 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-28 20:22:12,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61746 states. [2023-11-28 20:22:13,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61746 to 57489. [2023-11-28 20:22:13,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57489 states, 57488 states have (on average 1.0585339549123296) internal successors, (60853), 57488 states have internal predecessors, (60853), 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) [2023-11-28 20:22:13,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57489 states to 57489 states and 60853 transitions. [2023-11-28 20:22:13,475 INFO L78 Accepts]: Start accepts. Automaton has 57489 states and 60853 transitions. Word has length 1014 [2023-11-28 20:22:13,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:13,476 INFO L495 AbstractCegarLoop]: Abstraction has 57489 states and 60853 transitions. [2023-11-28 20:22:13,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 188.75) internal successors, (755), 4 states have internal predecessors, (755), 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) [2023-11-28 20:22:13,476 INFO L276 IsEmpty]: Start isEmpty. Operand 57489 states and 60853 transitions. [2023-11-28 20:22:13,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1064 [2023-11-28 20:22:13,646 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:13,647 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:13,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-28 20:22:13,647 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:13,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:13,648 INFO L85 PathProgramCache]: Analyzing trace with hash -788304798, now seen corresponding path program 1 times [2023-11-28 20:22:13,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:13,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713332288] [2023-11-28 20:22:13,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:13,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:14,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2023-11-28 20:22:14,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:14,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713332288] [2023-11-28 20:22:14,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713332288] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:14,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:14,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:22:14,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811786774] [2023-11-28 20:22:14,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:14,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:22:14,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:14,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:22:14,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:22:14,350 INFO L87 Difference]: Start difference. First operand 57489 states and 60853 transitions. Second operand has 4 states, 4 states have (on average 114.5) internal successors, (458), 4 states have internal predecessors, (458), 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) [2023-11-28 20:22:17,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:17,326 INFO L93 Difference]: Finished difference Result 123075 states and 130158 transitions. [2023-11-28 20:22:17,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:22:17,326 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 114.5) internal successors, (458), 4 states have internal predecessors, (458), 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 1063 [2023-11-28 20:22:17,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:17,378 INFO L225 Difference]: With dead ends: 123075 [2023-11-28 20:22:17,378 INFO L226 Difference]: Without dead ends: 65160 [2023-11-28 20:22:17,402 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 [2023-11-28 20:22:17,403 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 874 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 2689 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 874 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 2814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 2689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:17,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [874 Valid, 667 Invalid, 2814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 2689 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-28 20:22:17,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65160 states. [2023-11-28 20:22:18,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65160 to 58337. [2023-11-28 20:22:18,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58337 states, 58336 states have (on average 1.05845447065277) internal successors, (61746), 58336 states have internal predecessors, (61746), 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) [2023-11-28 20:22:18,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58337 states to 58337 states and 61746 transitions. [2023-11-28 20:22:18,115 INFO L78 Accepts]: Start accepts. Automaton has 58337 states and 61746 transitions. Word has length 1063 [2023-11-28 20:22:18,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:18,115 INFO L495 AbstractCegarLoop]: Abstraction has 58337 states and 61746 transitions. [2023-11-28 20:22:18,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 114.5) internal successors, (458), 4 states have internal predecessors, (458), 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) [2023-11-28 20:22:18,116 INFO L276 IsEmpty]: Start isEmpty. Operand 58337 states and 61746 transitions. [2023-11-28 20:22:18,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1084 [2023-11-28 20:22:18,158 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:18,159 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:18,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-28 20:22:18,159 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:18,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:18,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1194954015, now seen corresponding path program 1 times [2023-11-28 20:22:18,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:18,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086872189] [2023-11-28 20:22:18,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:18,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:19,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 1185 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2023-11-28 20:22:19,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:19,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086872189] [2023-11-28 20:22:19,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086872189] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:19,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:19,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:22:19,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030631463] [2023-11-28 20:22:19,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:19,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:22:19,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:19,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:22:19,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:22:19,660 INFO L87 Difference]: Start difference. First operand 58337 states and 61746 transitions. Second operand has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 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) [2023-11-28 20:22:21,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:21,475 INFO L93 Difference]: Finished difference Result 117100 states and 123930 transitions. [2023-11-28 20:22:21,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:22:21,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 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 1083 [2023-11-28 20:22:21,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:21,522 INFO L225 Difference]: With dead ends: 117100 [2023-11-28 20:22:21,522 INFO L226 Difference]: Without dead ends: 58764 [2023-11-28 20:22:21,543 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 [2023-11-28 20:22:21,544 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 113 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:21,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 713 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1081 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-28 20:22:21,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58764 states. [2023-11-28 20:22:22,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58764 to 58763. [2023-11-28 20:22:22,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58763 states, 58762 states have (on average 1.0575882372962118) internal successors, (62146), 58762 states have internal predecessors, (62146), 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) [2023-11-28 20:22:22,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58763 states to 58763 states and 62146 transitions. [2023-11-28 20:22:22,138 INFO L78 Accepts]: Start accepts. Automaton has 58763 states and 62146 transitions. Word has length 1083 [2023-11-28 20:22:22,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:22,138 INFO L495 AbstractCegarLoop]: Abstraction has 58763 states and 62146 transitions. [2023-11-28 20:22:22,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 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) [2023-11-28 20:22:22,138 INFO L276 IsEmpty]: Start isEmpty. Operand 58763 states and 62146 transitions. [2023-11-28 20:22:22,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1101 [2023-11-28 20:22:22,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:22,185 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-28 20:22:22,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-28 20:22:22,185 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:22,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:22,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1590674137, now seen corresponding path program 1 times [2023-11-28 20:22:22,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:22,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466686670] [2023-11-28 20:22:22,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:22,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:23,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 1004 proven. 0 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2023-11-28 20:22:23,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:23,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466686670] [2023-11-28 20:22:23,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466686670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:23,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:23,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:22:23,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746851515] [2023-11-28 20:22:23,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:23,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 20:22:23,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:23,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 20:22:23,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:22:23,788 INFO L87 Difference]: Start difference. First operand 58763 states and 62146 transitions. Second operand has 5 states, 5 states have (on average 137.0) internal successors, (685), 4 states have internal predecessors, (685), 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) [2023-11-28 20:22:26,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:26,412 INFO L93 Difference]: Finished difference Result 117556 states and 124322 transitions. [2023-11-28 20:22:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:22:26,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.0) internal successors, (685), 4 states have internal predecessors, (685), 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 1100 [2023-11-28 20:22:26,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:26,459 INFO L225 Difference]: With dead ends: 117556 [2023-11-28 20:22:26,460 INFO L226 Difference]: Without dead ends: 58762 [2023-11-28 20:22:26,484 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 [2023-11-28 20:22:26,484 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 787 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 2774 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 2794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:26,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 146 Invalid, 2794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2774 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-28 20:22:26,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58762 states. [2023-11-28 20:22:26,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58762 to 58761. [2023-11-28 20:22:27,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58761 states, 58760 states have (on average 1.0570966643975495) internal successors, (62115), 58760 states have internal predecessors, (62115), 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) [2023-11-28 20:22:27,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58761 states to 58761 states and 62115 transitions. [2023-11-28 20:22:27,078 INFO L78 Accepts]: Start accepts. Automaton has 58761 states and 62115 transitions. Word has length 1100 [2023-11-28 20:22:27,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:27,079 INFO L495 AbstractCegarLoop]: Abstraction has 58761 states and 62115 transitions. [2023-11-28 20:22:27,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.0) internal successors, (685), 4 states have internal predecessors, (685), 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) [2023-11-28 20:22:27,079 INFO L276 IsEmpty]: Start isEmpty. Operand 58761 states and 62115 transitions. [2023-11-28 20:22:27,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1115 [2023-11-28 20:22:27,126 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:27,126 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:22:27,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-28 20:22:27,127 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:27,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:27,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1325106111, now seen corresponding path program 1 times [2023-11-28 20:22:27,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:27,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347556905] [2023-11-28 20:22:27,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:27,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:29,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1726 backedges. 1257 proven. 200 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2023-11-28 20:22:29,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:29,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347556905] [2023-11-28 20:22:29,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347556905] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:22:29,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709311929] [2023-11-28 20:22:29,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:29,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:22:29,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:22:29,211 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:22:29,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-28 20:22:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:29,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 1301 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 20:22:29,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:22:30,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1726 backedges. 670 proven. 82 refuted. 0 times theorem prover too weak. 974 trivial. 0 not checked. [2023-11-28 20:22:30,036 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:22:31,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1726 backedges. 670 proven. 82 refuted. 0 times theorem prover too weak. 974 trivial. 0 not checked. [2023-11-28 20:22:31,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709311929] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:22:31,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 20:22:31,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 9 [2023-11-28 20:22:31,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21215563] [2023-11-28 20:22:31,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 20:22:31,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-28 20:22:31,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:31,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-28 20:22:31,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-28 20:22:31,036 INFO L87 Difference]: Start difference. First operand 58761 states and 62115 transitions. Second operand has 10 states, 10 states have (on average 156.9) internal successors, (1569), 9 states have internal predecessors, (1569), 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) [2023-11-28 20:22:40,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:40,763 INFO L93 Difference]: Finished difference Result 143694 states and 151561 transitions. [2023-11-28 20:22:40,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-28 20:22:40,763 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 156.9) internal successors, (1569), 9 states have internal predecessors, (1569), 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 1114 [2023-11-28 20:22:40,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:40,831 INFO L225 Difference]: With dead ends: 143694 [2023-11-28 20:22:40,831 INFO L226 Difference]: Without dead ends: 84934 [2023-11-28 20:22:40,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2250 GetRequests, 2223 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=236, Invalid=576, Unknown=0, NotChecked=0, Total=812 [2023-11-28 20:22:40,861 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 5688 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 8298 mSolverCounterSat, 1752 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5688 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 10050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1752 IncrementalHoareTripleChecker+Valid, 8298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:40,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5688 Valid, 288 Invalid, 10050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1752 Valid, 8298 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-11-28 20:22:40,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84934 states. [2023-11-28 20:22:41,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84934 to 66852. [2023-11-28 20:22:41,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66852 states, 66851 states have (on average 1.0500665659451616) internal successors, (70198), 66851 states have internal predecessors, (70198), 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) [2023-11-28 20:22:41,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66852 states to 66852 states and 70198 transitions. [2023-11-28 20:22:41,649 INFO L78 Accepts]: Start accepts. Automaton has 66852 states and 70198 transitions. Word has length 1114 [2023-11-28 20:22:41,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:41,650 INFO L495 AbstractCegarLoop]: Abstraction has 66852 states and 70198 transitions. [2023-11-28 20:22:41,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 156.9) internal successors, (1569), 9 states have internal predecessors, (1569), 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) [2023-11-28 20:22:41,650 INFO L276 IsEmpty]: Start isEmpty. Operand 66852 states and 70198 transitions. [2023-11-28 20:22:41,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1306 [2023-11-28 20:22:41,710 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:41,711 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-28 20:22:41,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-28 20:22:41,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-11-28 20:22:41,912 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:41,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:41,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1843174147, now seen corresponding path program 1 times [2023-11-28 20:22:41,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:41,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429192104] [2023-11-28 20:22:41,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:41,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:43,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2390 backedges. 1619 proven. 0 refuted. 0 times theorem prover too weak. 771 trivial. 0 not checked. [2023-11-28 20:22:43,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:43,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429192104] [2023-11-28 20:22:43,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429192104] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:22:43,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:22:43,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:22:43,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743100464] [2023-11-28 20:22:43,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:22:43,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:22:43,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:22:43,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:22:43,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:22:43,013 INFO L87 Difference]: Start difference. First operand 66852 states and 70198 transitions. Second operand has 4 states, 4 states have (on average 168.75) internal successors, (675), 4 states have internal predecessors, (675), 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) [2023-11-28 20:22:45,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:22:45,758 INFO L93 Difference]: Finished difference Result 142223 states and 149171 transitions. [2023-11-28 20:22:45,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:22:45,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 168.75) internal successors, (675), 4 states have internal predecessors, (675), 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 1305 [2023-11-28 20:22:45,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:22:45,820 INFO L225 Difference]: With dead ends: 142223 [2023-11-28 20:22:45,820 INFO L226 Difference]: Without dead ends: 75797 [2023-11-28 20:22:45,845 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 [2023-11-28 20:22:45,846 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 787 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 2178 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 2412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 2178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-28 20:22:45,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 195 Invalid, 2412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 2178 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-28 20:22:45,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75797 states. [2023-11-28 20:22:46,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75797 to 66849. [2023-11-28 20:22:46,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66849 states, 66848 states have (on average 1.0435315940641454) internal successors, (69758), 66848 states have internal predecessors, (69758), 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) [2023-11-28 20:22:46,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66849 states to 66849 states and 69758 transitions. [2023-11-28 20:22:46,641 INFO L78 Accepts]: Start accepts. Automaton has 66849 states and 69758 transitions. Word has length 1305 [2023-11-28 20:22:46,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:22:46,642 INFO L495 AbstractCegarLoop]: Abstraction has 66849 states and 69758 transitions. [2023-11-28 20:22:46,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 168.75) internal successors, (675), 4 states have internal predecessors, (675), 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) [2023-11-28 20:22:46,642 INFO L276 IsEmpty]: Start isEmpty. Operand 66849 states and 69758 transitions. [2023-11-28 20:22:46,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1338 [2023-11-28 20:22:46,697 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:22:46,698 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-28 20:22:46,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-28 20:22:46,698 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:22:46,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:22:46,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1338062690, now seen corresponding path program 1 times [2023-11-28 20:22:46,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:22:46,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653570683] [2023-11-28 20:22:46,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:46,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:22:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:49,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2339 backedges. 930 proven. 747 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2023-11-28 20:22:49,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:22:49,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653570683] [2023-11-28 20:22:49,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653570683] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 20:22:49,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359842524] [2023-11-28 20:22:49,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:22:49,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 20:22:49,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:22:49,971 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 20:22:49,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-28 20:22:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:22:50,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 1547 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-28 20:22:50,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:22:55,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2339 backedges. 1372 proven. 444 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2023-11-28 20:22:55,149 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 20:23:01,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2339 backedges. 1372 proven. 444 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2023-11-28 20:23:01,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359842524] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 20:23:01,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 20:23:01,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2023-11-28 20:23:01,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705871367] [2023-11-28 20:23:01,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 20:23:01,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-28 20:23:01,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:23:01,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-28 20:23:01,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2023-11-28 20:23:01,127 INFO L87 Difference]: Start difference. First operand 66849 states and 69758 transitions. Second operand has 17 states, 17 states have (on average 116.41176470588235) internal successors, (1979), 17 states have internal predecessors, (1979), 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) [2023-11-28 20:23:13,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:23:13,134 INFO L93 Difference]: Finished difference Result 150822 states and 157058 transitions. [2023-11-28 20:23:13,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-28 20:23:13,135 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 116.41176470588235) internal successors, (1979), 17 states have internal predecessors, (1979), 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 1337 [2023-11-28 20:23:13,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:23:13,136 INFO L225 Difference]: With dead ends: 150822 [2023-11-28 20:23:13,136 INFO L226 Difference]: Without dead ends: 0 [2023-11-28 20:23:13,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2713 GetRequests, 2675 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=447, Invalid=959, Unknown=0, NotChecked=0, Total=1406 [2023-11-28 20:23:13,165 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 7241 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 12677 mSolverCounterSat, 1471 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7241 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 14148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1471 IncrementalHoareTripleChecker+Valid, 12677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-11-28 20:23:13,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7241 Valid, 191 Invalid, 14148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1471 Valid, 12677 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2023-11-28 20:23:13,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-28 20:23:13,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-28 20:23:13,166 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) [2023-11-28 20:23:13,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-28 20:23:13,166 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1337 [2023-11-28 20:23:13,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:23:13,167 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-28 20:23:13,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 116.41176470588235) internal successors, (1979), 17 states have internal predecessors, (1979), 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) [2023-11-28 20:23:13,167 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-28 20:23:13,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-28 20:23:13,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-28 20:23:13,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-28 20:23:13,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-11-28 20:23:13,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-28 20:23:43,356 WARN L293 SmtUtils]: Spent 29.98s on a formula simplification. DAG size of input: 1053 DAG size of output: 1023 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-28 20:23:51,240 WARN L293 SmtUtils]: Spent 7.88s on a formula simplification. DAG size of input: 1023 DAG size of output: 128 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-28 20:23:51,244 INFO L899 garLoopResultBuilder]: For program point L894(lines 894 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,244 INFO L899 garLoopResultBuilder]: For program point L1687(lines 1687 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,244 INFO L899 garLoopResultBuilder]: For program point L1555(lines 1555 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,245 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,245 INFO L899 garLoopResultBuilder]: For program point L2084(lines 2084 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,245 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1037) no Hoare annotation was computed. [2023-11-28 20:23:51,245 INFO L899 garLoopResultBuilder]: For program point L1027-2(lines 1027 1037) no Hoare annotation was computed. [2023-11-28 20:23:51,245 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1560) no Hoare annotation was computed. [2023-11-28 20:23:51,245 INFO L899 garLoopResultBuilder]: For program point L1556-2(lines 1556 1560) no Hoare annotation was computed. [2023-11-28 20:23:51,245 INFO L899 garLoopResultBuilder]: For program point L1424(lines 1424 1433) no Hoare annotation was computed. [2023-11-28 20:23:51,245 INFO L899 garLoopResultBuilder]: For program point L1424-2(lines 1424 1433) no Hoare annotation was computed. [2023-11-28 20:23:51,245 INFO L899 garLoopResultBuilder]: For program point L2349(lines 2349 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,245 INFO L899 garLoopResultBuilder]: For program point L2085(lines 2085 2095) no Hoare annotation was computed. [2023-11-28 20:23:51,245 INFO L899 garLoopResultBuilder]: For program point L2085-2(lines 2085 2095) no Hoare annotation was computed. [2023-11-28 20:23:51,246 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,246 INFO L899 garLoopResultBuilder]: For program point L2482(lines 2482 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,246 INFO L899 garLoopResultBuilder]: For program point L2350(lines 2350 2360) no Hoare annotation was computed. [2023-11-28 20:23:51,246 INFO L899 garLoopResultBuilder]: For program point L2350-2(lines 2350 2360) no Hoare annotation was computed. [2023-11-28 20:23:51,246 INFO L899 garLoopResultBuilder]: For program point L104-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,246 INFO L899 garLoopResultBuilder]: For program point L1822(lines 1822 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,246 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,246 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,246 INFO L899 garLoopResultBuilder]: For program point L2219(lines 2219 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,246 INFO L899 garLoopResultBuilder]: For program point L1955(lines 1955 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,246 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,247 INFO L899 garLoopResultBuilder]: For program point L238(lines 238 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,247 INFO L899 garLoopResultBuilder]: For program point L2220(lines 2220 2229) no Hoare annotation was computed. [2023-11-28 20:23:51,247 INFO L899 garLoopResultBuilder]: For program point L2220-2(lines 2220 2229) no Hoare annotation was computed. [2023-11-28 20:23:51,247 INFO L899 garLoopResultBuilder]: For program point L1692(lines 1692 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,247 INFO L899 garLoopResultBuilder]: For program point L635(lines 635 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,247 INFO L899 garLoopResultBuilder]: For program point L2485(lines 2485 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,247 INFO L899 garLoopResultBuilder]: For program point L107-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,247 INFO L899 garLoopResultBuilder]: For program point L1693(lines 1693 1703) no Hoare annotation was computed. [2023-11-28 20:23:51,247 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 643) no Hoare annotation was computed. [2023-11-28 20:23:51,247 INFO L899 garLoopResultBuilder]: For program point L1693-2(lines 1693 1703) no Hoare annotation was computed. [2023-11-28 20:23:51,247 INFO L899 garLoopResultBuilder]: For program point L636-2(lines 636 643) no Hoare annotation was computed. [2023-11-28 20:23:51,248 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,248 INFO L899 garLoopResultBuilder]: For program point L901(lines 901 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,248 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,248 INFO L899 garLoopResultBuilder]: For program point L110-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,248 INFO L899 garLoopResultBuilder]: For program point L1960(lines 1960 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,248 INFO L899 garLoopResultBuilder]: For program point L1828(lines 1828 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,248 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,248 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,248 INFO L899 garLoopResultBuilder]: For program point L2489(lines 2489 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,248 INFO L899 garLoopResultBuilder]: For program point L1829(lines 1829 1840) no Hoare annotation was computed. [2023-11-28 20:23:51,248 INFO L899 garLoopResultBuilder]: For program point L772(lines 772 780) no Hoare annotation was computed. [2023-11-28 20:23:51,249 INFO L899 garLoopResultBuilder]: For program point L1829-2(lines 1829 1840) no Hoare annotation was computed. [2023-11-28 20:23:51,249 INFO L899 garLoopResultBuilder]: For program point L772-2(lines 772 780) no Hoare annotation was computed. [2023-11-28 20:23:51,249 INFO L899 garLoopResultBuilder]: For program point L1301(lines 1301 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,249 INFO L899 garLoopResultBuilder]: For program point L1169(lines 1169 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,249 INFO L899 garLoopResultBuilder]: For program point L1566(lines 1566 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,249 INFO L899 garLoopResultBuilder]: For program point L1434(lines 1434 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,249 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,249 INFO L899 garLoopResultBuilder]: For program point L113-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,249 INFO L899 garLoopResultBuilder]: For program point L1038(lines 1038 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,249 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 387) no Hoare annotation was computed. [2023-11-28 20:23:51,250 INFO L899 garLoopResultBuilder]: For program point L378-2(lines 378 387) no Hoare annotation was computed. [2023-11-28 20:23:51,250 INFO L899 garLoopResultBuilder]: For program point L2096(lines 2096 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,250 INFO L899 garLoopResultBuilder]: For program point L2361(lines 2361 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,250 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,250 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,250 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,250 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,250 INFO L899 garLoopResultBuilder]: For program point L2230(lines 2230 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,250 INFO L899 garLoopResultBuilder]: For program point L116-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,250 INFO L899 garLoopResultBuilder]: For program point L1966(lines 1966 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,250 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 918) no Hoare annotation was computed. [2023-11-28 20:23:51,251 INFO L899 garLoopResultBuilder]: For program point L909-2(lines 909 918) no Hoare annotation was computed. [2023-11-28 20:23:51,251 INFO L899 garLoopResultBuilder]: For program point L1438(lines 1438 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,251 INFO L899 garLoopResultBuilder]: For program point L2496(lines 2496 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,251 INFO L899 garLoopResultBuilder]: For program point L1439(lines 1439 1449) no Hoare annotation was computed. [2023-11-28 20:23:51,251 INFO L899 garLoopResultBuilder]: For program point L1439-2(lines 1439 1449) no Hoare annotation was computed. [2023-11-28 20:23:51,251 INFO L899 garLoopResultBuilder]: For program point L1307(lines 1307 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,251 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,251 INFO L899 garLoopResultBuilder]: For program point L1176(lines 1176 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,251 INFO L899 garLoopResultBuilder]: For program point L119-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,251 INFO L899 garLoopResultBuilder]: For program point L1044(lines 1044 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,251 INFO L899 garLoopResultBuilder]: For program point L1573(lines 1573 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,252 INFO L899 garLoopResultBuilder]: For program point L2234(lines 2234 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,252 INFO L899 garLoopResultBuilder]: For program point L2102(lines 2102 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,252 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,252 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,252 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,252 INFO L899 garLoopResultBuilder]: For program point L650(lines 650 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,252 INFO L899 garLoopResultBuilder]: For program point L2368(lines 2368 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,252 INFO L899 garLoopResultBuilder]: For program point L122-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,252 INFO L899 garLoopResultBuilder]: For program point L2501(lines 2501 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,252 INFO L899 garLoopResultBuilder]: For program point L2105(lines 2105 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,252 INFO L899 garLoopResultBuilder]: For program point L1973(lines 1973 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,252 INFO L899 garLoopResultBuilder]: For program point L1841(lines 1841 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,253 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,253 INFO L899 garLoopResultBuilder]: For program point L1313(lines 1313 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,253 INFO L899 garLoopResultBuilder]: For program point L1974(lines 1974 1984) no Hoare annotation was computed. [2023-11-28 20:23:51,253 INFO L899 garLoopResultBuilder]: For program point L1974-2(lines 1974 1984) no Hoare annotation was computed. [2023-11-28 20:23:51,253 INFO L899 garLoopResultBuilder]: For program point L1710(lines 1710 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,253 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,253 INFO L899 garLoopResultBuilder]: For program point L125-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,253 INFO L899 garLoopResultBuilder]: For program point L1050(lines 1050 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,253 INFO L899 garLoopResultBuilder]: For program point L786(lines 786 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,253 INFO L899 garLoopResultBuilder]: For program point L919(lines 919 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,253 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,254 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,254 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,254 INFO L899 garLoopResultBuilder]: For program point L2241(lines 2241 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,254 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,254 INFO L899 garLoopResultBuilder]: For program point L2506(lines 2506 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,254 INFO L899 garLoopResultBuilder]: For program point L2242(lines 2242 2253) no Hoare annotation was computed. [2023-11-28 20:23:51,254 INFO L899 garLoopResultBuilder]: For program point L2242-2(lines 2242 2253) no Hoare annotation was computed. [2023-11-28 20:23:51,254 INFO L899 garLoopResultBuilder]: For program point L128-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,254 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,254 INFO L899 garLoopResultBuilder]: For program point L1450(lines 1450 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,254 INFO L899 garLoopResultBuilder]: For program point L2375(lines 2375 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,254 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,255 INFO L899 garLoopResultBuilder]: For program point L2111(lines 2111 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,255 INFO L899 garLoopResultBuilder]: For program point L1847(lines 1847 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,255 INFO L899 garLoopResultBuilder]: For program point L923(lines 923 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,255 INFO L899 garLoopResultBuilder]: For program point L791(lines 791 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,255 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,255 INFO L899 garLoopResultBuilder]: For program point L395(lines 395 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,255 INFO L899 garLoopResultBuilder]: For program point L131-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,255 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 189) no Hoare annotation was computed. [2023-11-28 20:23:51,255 INFO L899 garLoopResultBuilder]: For program point L1717(lines 1717 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,255 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1591) no Hoare annotation was computed. [2023-11-28 20:23:51,256 INFO L899 garLoopResultBuilder]: For program point L1585-2(lines 1585 1591) no Hoare annotation was computed. [2023-11-28 20:23:51,256 INFO L899 garLoopResultBuilder]: For program point L1189(lines 1189 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,256 INFO L899 garLoopResultBuilder]: For program point L1718(lines 1718 1727) no Hoare annotation was computed. [2023-11-28 20:23:51,256 INFO L899 garLoopResultBuilder]: For program point L1718-2(lines 1718 1727) no Hoare annotation was computed. [2023-11-28 20:23:51,256 INFO L899 garLoopResultBuilder]: For program point L1454(lines 1454 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,256 INFO L899 garLoopResultBuilder]: For program point L2115(lines 2115 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,256 INFO L899 garLoopResultBuilder]: For program point L2512(lines 2512 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,256 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,256 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,256 INFO L899 garLoopResultBuilder]: For program point L134-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,256 INFO L899 garLoopResultBuilder]: For program point L2116(lines 2116 2122) no Hoare annotation was computed. [2023-11-28 20:23:51,256 INFO L899 garLoopResultBuilder]: For program point L2116-2(lines 2116 2122) no Hoare annotation was computed. [2023-11-28 20:23:51,257 INFO L899 garLoopResultBuilder]: For program point L1852(lines 1852 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,257 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,257 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,257 INFO L899 garLoopResultBuilder]: For program point L2381(lines 2381 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,257 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,257 INFO L899 garLoopResultBuilder]: For program point L1985(lines 1985 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,257 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 541) no Hoare annotation was computed. [2023-11-28 20:23:51,257 INFO L899 garLoopResultBuilder]: For program point L532-2(lines 532 541) no Hoare annotation was computed. [2023-11-28 20:23:51,257 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,257 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,257 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,258 INFO L899 garLoopResultBuilder]: For program point L137-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,258 INFO L899 garLoopResultBuilder]: For program point L930(lines 930 939) no Hoare annotation was computed. [2023-11-28 20:23:51,258 INFO L899 garLoopResultBuilder]: For program point L930-2(lines 930 939) no Hoare annotation was computed. [2023-11-28 20:23:51,258 INFO L899 garLoopResultBuilder]: For program point L1855(lines 1855 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,258 INFO L899 garLoopResultBuilder]: For program point L402(lines 402 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,258 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,258 INFO L899 garLoopResultBuilder]: For program point L1195(lines 1195 1206) no Hoare annotation was computed. [2023-11-28 20:23:51,258 INFO L899 garLoopResultBuilder]: For program point L1195-2(lines 1195 1206) no Hoare annotation was computed. [2023-11-28 20:23:51,258 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,258 INFO L899 garLoopResultBuilder]: For program point L1989(lines 1989 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,258 INFO L899 garLoopResultBuilder]: For program point L1461(lines 1461 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,258 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,259 INFO L899 garLoopResultBuilder]: For program point L2254(lines 2254 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,259 INFO L899 garLoopResultBuilder]: For program point L140-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,259 INFO L899 garLoopResultBuilder]: For program point L2519(lines 2519 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,259 INFO L899 garLoopResultBuilder]: For program point L2387(lines 2387 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,259 INFO L899 garLoopResultBuilder]: For program point L2255(lines 2255 2265) no Hoare annotation was computed. [2023-11-28 20:23:51,259 INFO L899 garLoopResultBuilder]: For program point L2255-2(lines 2255 2265) no Hoare annotation was computed. [2023-11-28 20:23:51,259 INFO L899 garLoopResultBuilder]: For program point L1066(lines 1066 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,259 INFO L899 garLoopResultBuilder]: For program point L2123(lines 2123 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,259 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,259 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,259 INFO L899 garLoopResultBuilder]: For program point L1728(lines 1728 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,260 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,260 INFO L899 garLoopResultBuilder]: For program point L143-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,260 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,260 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,260 INFO L899 garLoopResultBuilder]: For program point L1994(lines 1994 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,260 INFO L899 garLoopResultBuilder]: For program point L1862(lines 1862 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,260 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,260 INFO L899 garLoopResultBuilder]: For program point L542(lines 542 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,260 INFO L899 garLoopResultBuilder]: For program point L2524(lines 2524 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,260 INFO L899 garLoopResultBuilder]: For program point L1467(lines 1467 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,260 INFO L899 garLoopResultBuilder]: For program point L2392(lines 2392 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,260 INFO L899 garLoopResultBuilder]: For program point L146-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,261 INFO L899 garLoopResultBuilder]: For program point L2128(lines 2128 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,261 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,261 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,261 INFO L899 garLoopResultBuilder]: For program point L1733(lines 1733 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,261 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,261 INFO L899 garLoopResultBuilder]: For program point L677(lines 677 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,261 INFO L899 garLoopResultBuilder]: For program point L545(lines 545 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,261 INFO L899 garLoopResultBuilder]: For program point L2527(lines 2527 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,261 INFO L899 garLoopResultBuilder]: For program point L1338(lines 1338 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,261 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,261 INFO L899 garLoopResultBuilder]: For program point L810(lines 810 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,262 INFO L899 garLoopResultBuilder]: For program point calculate_output2_returnLabel#1(lines 1656 2582) no Hoare annotation was computed. [2023-11-28 20:23:51,262 INFO L899 garLoopResultBuilder]: For program point L1339(lines 1339 1348) no Hoare annotation was computed. [2023-11-28 20:23:51,262 INFO L899 garLoopResultBuilder]: For program point L1339-2(lines 1339 1348) no Hoare annotation was computed. [2023-11-28 20:23:51,262 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,262 INFO L899 garLoopResultBuilder]: For program point L1868(lines 1868 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,262 INFO L899 garLoopResultBuilder]: For program point L1472(lines 1472 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,262 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,262 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,262 INFO L899 garLoopResultBuilder]: For program point L2001(lines 2001 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,262 INFO L899 garLoopResultBuilder]: For program point L1869(lines 1869 1877) no Hoare annotation was computed. [2023-11-28 20:23:51,262 INFO L899 garLoopResultBuilder]: For program point L1869-2(lines 1869 1877) no Hoare annotation was computed. [2023-11-28 20:23:51,262 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,263 INFO L899 garLoopResultBuilder]: For program point L416(lines 416 425) no Hoare annotation was computed. [2023-11-28 20:23:51,263 INFO L899 garLoopResultBuilder]: For program point L416-2(lines 416 425) no Hoare annotation was computed. [2023-11-28 20:23:51,263 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 296) no Hoare annotation was computed. [2023-11-28 20:23:51,263 INFO L899 garLoopResultBuilder]: For program point L2266(lines 2266 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,263 INFO L899 garLoopResultBuilder]: For program point L284-2(lines 284 296) no Hoare annotation was computed. [2023-11-28 20:23:51,263 INFO L899 garLoopResultBuilder]: For program point L152-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,263 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,263 INFO L899 garLoopResultBuilder]: For program point L1606(lines 1606 1617) no Hoare annotation was computed. [2023-11-28 20:23:51,263 INFO L899 garLoopResultBuilder]: For program point L1606-2(lines 1606 1617) no Hoare annotation was computed. [2023-11-28 20:23:51,263 INFO L899 garLoopResultBuilder]: For program point L2399(lines 2399 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,263 INFO L899 garLoopResultBuilder]: For program point L2135(lines 2135 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,264 INFO L899 garLoopResultBuilder]: For program point L2532(lines 2532 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,264 INFO L899 garLoopResultBuilder]: For program point L2400(lines 2400 2412) no Hoare annotation was computed. [2023-11-28 20:23:51,264 INFO L899 garLoopResultBuilder]: For program point L2400-2(lines 2400 2412) no Hoare annotation was computed. [2023-11-28 20:23:51,264 INFO L899 garLoopResultBuilder]: For program point L1079(lines 1079 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,264 INFO L899 garLoopResultBuilder]: For program point L1740(lines 1740 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,264 INFO L899 garLoopResultBuilder]: For program point L683(lines 683 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,264 INFO L899 garLoopResultBuilder]: For program point L551(lines 551 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,264 INFO L899 garLoopResultBuilder]: For program point L1212(lines 1212 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,264 INFO L899 garLoopResultBuilder]: For program point L155-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,264 INFO L899 garLoopResultBuilder]: For program point L2005(lines 2005 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,264 INFO L899 garLoopResultBuilder]: For program point L1477(lines 1477 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,264 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,265 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,265 INFO L899 garLoopResultBuilder]: For program point L2139(lines 2139 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,265 INFO L899 garLoopResultBuilder]: For program point L158-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,265 INFO L899 garLoopResultBuilder]: For program point L2537(lines 2537 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,265 INFO L899 garLoopResultBuilder]: For program point L2273(lines 2273 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,265 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,265 INFO L899 garLoopResultBuilder]: For program point L2538(lines 2538 2548) no Hoare annotation was computed. [2023-11-28 20:23:51,265 INFO L899 garLoopResultBuilder]: For program point L2538-2(lines 2538 2548) no Hoare annotation was computed. [2023-11-28 20:23:51,265 INFO L899 garLoopResultBuilder]: For program point L1349(lines 1349 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,265 INFO L899 garLoopResultBuilder]: For program point L1878(lines 1878 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,265 INFO L899 garLoopResultBuilder]: For program point L689(lines 689 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,265 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,266 INFO L899 garLoopResultBuilder]: For program point L161-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,266 INFO L899 garLoopResultBuilder]: For program point L1086(lines 1086 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,266 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 567) no Hoare annotation was computed. [2023-11-28 20:23:51,266 INFO L899 garLoopResultBuilder]: For program point L558-2(lines 558 567) no Hoare annotation was computed. [2023-11-28 20:23:51,266 INFO L899 garLoopResultBuilder]: For program point L426(lines 426 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,266 INFO L899 garLoopResultBuilder]: For program point L1219(lines 1219 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,266 INFO L899 garLoopResultBuilder]: For program point L2012(lines 2012 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,266 INFO L899 garLoopResultBuilder]: For program point L1484(lines 1484 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,266 INFO L899 garLoopResultBuilder]: For program point L2145(lines 2145 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,266 INFO L899 garLoopResultBuilder]: For program point L956(lines 956 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,266 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,266 INFO L899 garLoopResultBuilder]: For program point L2278(lines 2278 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,266 INFO L899 garLoopResultBuilder]: For program point L164-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,267 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,267 INFO L899 garLoopResultBuilder]: For program point L1618(lines 1618 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,267 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,267 INFO L899 garLoopResultBuilder]: For program point L1751(lines 1751 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,267 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,267 INFO L899 garLoopResultBuilder]: For program point L1356(lines 1356 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,267 INFO L899 garLoopResultBuilder]: For program point L2413(lines 2413 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,267 INFO L899 garLoopResultBuilder]: For program point L167-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,267 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 37) no Hoare annotation was computed. [2023-11-28 20:23:51,267 INFO L899 garLoopResultBuilder]: For program point L35-2(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,267 INFO L899 garLoopResultBuilder]: For program point L2017(lines 2017 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,267 INFO L899 garLoopResultBuilder]: For program point L1885(lines 1885 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,268 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,268 INFO L899 garLoopResultBuilder]: For program point L2414(lines 2414 2425) no Hoare annotation was computed. [2023-11-28 20:23:51,268 INFO L899 garLoopResultBuilder]: For program point L2414-2(lines 2414 2425) no Hoare annotation was computed. [2023-11-28 20:23:51,268 INFO L899 garLoopResultBuilder]: For program point L2150(lines 2150 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,268 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 707) no Hoare annotation was computed. [2023-11-28 20:23:51,268 INFO L899 garLoopResultBuilder]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2023-11-28 20:23:51,268 INFO L899 garLoopResultBuilder]: For program point L433(lines 433 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,268 INFO L899 garLoopResultBuilder]: For program point L1226(lines 1226 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,268 INFO L899 garLoopResultBuilder]: For program point L962(lines 962 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,268 INFO L899 garLoopResultBuilder]: For program point L830(lines 830 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,268 INFO L899 garLoopResultBuilder]: For program point L1755(lines 1755 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,268 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,269 INFO L899 garLoopResultBuilder]: For program point L1491(lines 1491 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,269 INFO L899 garLoopResultBuilder]: For program point L170-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,269 INFO L899 garLoopResultBuilder]: For program point L38-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,269 INFO L899 garLoopResultBuilder]: For program point L2020(lines 2020 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,269 INFO L899 garLoopResultBuilder]: For program point L2549(lines 2549 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,269 INFO L899 garLoopResultBuilder]: For program point L2285(lines 2285 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,269 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,269 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,269 INFO L899 garLoopResultBuilder]: For program point L1362(lines 1362 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,269 INFO L899 garLoopResultBuilder]: For program point L1230(lines 1230 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,269 INFO L899 garLoopResultBuilder]: For program point L173-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,269 INFO L899 garLoopResultBuilder]: For program point L1098(lines 1098 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,270 INFO L899 garLoopResultBuilder]: For program point L2155(lines 2155 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,270 INFO L899 garLoopResultBuilder]: For program point L41-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,270 INFO L899 garLoopResultBuilder]: For program point L1891(lines 1891 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,270 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,270 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,270 INFO L899 garLoopResultBuilder]: For program point L1231(lines 1231 1240) no Hoare annotation was computed. [2023-11-28 20:23:51,270 INFO L899 garLoopResultBuilder]: For program point L1231-2(lines 1231 1240) no Hoare annotation was computed. [2023-11-28 20:23:51,270 INFO L899 garLoopResultBuilder]: For program point L836(lines 836 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,270 INFO L899 garLoopResultBuilder]: For program point L2554(lines 2554 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,270 INFO L899 garLoopResultBuilder]: For program point L1497(lines 1497 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,270 INFO L899 garLoopResultBuilder]: For program point L176-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,270 INFO L899 garLoopResultBuilder]: For program point L44-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,270 INFO L899 garLoopResultBuilder]: For program point L2026(lines 2026 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,271 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,271 INFO L899 garLoopResultBuilder]: For program point L1630(lines 1630 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,271 INFO L899 garLoopResultBuilder]: For program point L2291(lines 2291 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,271 INFO L899 garLoopResultBuilder]: For program point L575(lines 575 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,271 INFO L899 garLoopResultBuilder]: For program point L1500(lines 1500 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,271 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,271 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,271 INFO L899 garLoopResultBuilder]: For program point L179-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,271 INFO L899 garLoopResultBuilder]: For program point L1104(lines 1104 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,271 INFO L899 garLoopResultBuilder]: For program point L47-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,271 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,271 INFO L899 garLoopResultBuilder]: For program point L2426(lines 2426 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,271 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,272 INFO L899 garLoopResultBuilder]: For program point L2162(lines 2162 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,272 INFO L899 garLoopResultBuilder]: For program point L2030(lines 2030 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,272 INFO L899 garLoopResultBuilder]: For program point L1898(lines 1898 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,272 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,272 INFO L899 garLoopResultBuilder]: For program point L1766(lines 1766 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,272 INFO L899 garLoopResultBuilder]: For program point L2031(lines 2031 2040) no Hoare annotation was computed. [2023-11-28 20:23:51,272 INFO L899 garLoopResultBuilder]: For program point L2031-2(lines 2031 2040) no Hoare annotation was computed. [2023-11-28 20:23:51,272 INFO L899 garLoopResultBuilder]: For program point L182-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,272 INFO L899 garLoopResultBuilder]: For program point L50-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,272 INFO L899 garLoopResultBuilder]: For program point L1636(lines 1636 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,272 INFO L899 garLoopResultBuilder]: For program point L2561(lines 2561 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,272 INFO L899 garLoopResultBuilder]: For program point L2297(lines 2297 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,272 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,273 INFO L899 garLoopResultBuilder]: For program point L580(lines 580 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,273 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,273 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,273 INFO L899 garLoopResultBuilder]: For program point L713(lines 713 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,273 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,273 INFO L899 garLoopResultBuilder]: For program point L1374(lines 1374 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,273 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,273 INFO L899 garLoopResultBuilder]: For program point L1110(lines 1110 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,273 INFO L899 garLoopResultBuilder]: For program point L2167(lines 2167 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,273 INFO L899 garLoopResultBuilder]: For program point L53-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,273 INFO L899 garLoopResultBuilder]: For program point L1507(lines 1507 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,273 INFO L899 garLoopResultBuilder]: For program point L2432(lines 2432 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,273 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1386) no Hoare annotation was computed. [2023-11-28 20:23:51,274 INFO L899 garLoopResultBuilder]: For program point L1375-2(lines 1375 1386) no Hoare annotation was computed. [2023-11-28 20:23:51,274 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,274 INFO L899 garLoopResultBuilder]: For program point L1905(lines 1905 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,274 INFO L899 garLoopResultBuilder]: For program point L848(lines 848 856) no Hoare annotation was computed. [2023-11-28 20:23:51,274 INFO L899 garLoopResultBuilder]: For program point L848-2(lines 848 856) no Hoare annotation was computed. [2023-11-28 20:23:51,274 INFO L899 garLoopResultBuilder]: For program point L1773(lines 1773 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,274 INFO L899 garLoopResultBuilder]: For program point L188-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,274 INFO L899 garLoopResultBuilder]: For program point L56-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,274 INFO L899 garLoopResultBuilder]: For program point L1642(lines 1642 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,274 INFO L899 garLoopResultBuilder]: For program point L2567(lines 2567 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,274 INFO L899 garLoopResultBuilder]: For program point L2303(lines 2303 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,274 INFO L899 garLoopResultBuilder]: For program point L189(line 189) no Hoare annotation was computed. [2023-11-28 20:23:51,274 INFO L899 garLoopResultBuilder]: For program point L982(lines 982 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,275 INFO L899 garLoopResultBuilder]: For program point L586(lines 586 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,275 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-28 20:23:51,275 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,275 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,275 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,275 INFO L899 garLoopResultBuilder]: For program point L191-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,275 INFO L899 garLoopResultBuilder]: For program point L1116(lines 1116 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,275 INFO L899 garLoopResultBuilder]: For program point L2173(lines 2173 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,275 INFO L899 garLoopResultBuilder]: For program point L59-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,275 INFO L899 garLoopResultBuilder]: For program point L2041(lines 2041 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,275 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 728) no Hoare annotation was computed. [2023-11-28 20:23:51,275 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 728) no Hoare annotation was computed. [2023-11-28 20:23:51,276 INFO L899 garLoopResultBuilder]: For program point L456(lines 456 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,276 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,276 INFO L899 garLoopResultBuilder]: For program point L1910(lines 1910 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,276 INFO L899 garLoopResultBuilder]: For program point L1646(lines 1646 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,276 INFO L899 garLoopResultBuilder]: For program point L1514(lines 1514 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,276 INFO L899 garLoopResultBuilder]: For program point L2439(lines 2439 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,276 INFO L899 garLoopResultBuilder]: For program point L2307(lines 2307 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,276 INFO L899 garLoopResultBuilder]: For program point L2440(lines 2440 2449) no Hoare annotation was computed. [2023-11-28 20:23:51,276 INFO L899 garLoopResultBuilder]: For program point L2440-2(lines 2440 2449) no Hoare annotation was computed. [2023-11-28 20:23:51,276 INFO L899 garLoopResultBuilder]: For program point L194-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,276 INFO L899 garLoopResultBuilder]: For program point L62-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,276 INFO L899 garLoopResultBuilder]: For program point L1780(lines 1780 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,276 INFO L899 garLoopResultBuilder]: For program point L2573(lines 2573 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,277 INFO L899 garLoopResultBuilder]: For program point L592(lines 592 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,277 INFO L899 garLoopResultBuilder]: For program point L2178(lines 2178 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,277 INFO L899 garLoopResultBuilder]: For program point L857(lines 857 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,277 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,277 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,277 INFO L899 garLoopResultBuilder]: For program point L1254(lines 1254 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,277 INFO L899 garLoopResultBuilder]: For program point L197-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,277 INFO L899 garLoopResultBuilder]: For program point L65-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,277 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 868) no Hoare annotation was computed. [2023-11-28 20:23:51,277 INFO L899 garLoopResultBuilder]: For program point L858-2(lines 858 868) no Hoare annotation was computed. [2023-11-28 20:23:51,277 INFO L899 garLoopResultBuilder]: For program point L1387(lines 1387 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,277 INFO L899 garLoopResultBuilder]: For program point L2312(lines 2312 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,277 INFO L899 garLoopResultBuilder]: For program point L1123(lines 1123 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,278 INFO L899 garLoopResultBuilder]: For program point L2048(lines 2048 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,278 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,278 INFO L899 garLoopResultBuilder]: For program point L1916(lines 1916 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,278 INFO L899 garLoopResultBuilder]: For program point L1520(lines 1520 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,278 INFO L899 garLoopResultBuilder]: For program point L1917(lines 1917 1925) no Hoare annotation was computed. [2023-11-28 20:23:51,278 INFO L899 garLoopResultBuilder]: For program point L1917-2(lines 1917 1925) no Hoare annotation was computed. [2023-11-28 20:23:51,278 INFO L899 garLoopResultBuilder]: For program point L200-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,278 INFO L899 garLoopResultBuilder]: For program point L2182(lines 2182 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,278 INFO L899 garLoopResultBuilder]: For program point L68-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,278 INFO L899 garLoopResultBuilder]: For program point L729(lines 729 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,278 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,279 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,279 INFO L899 garLoopResultBuilder]: For program point L1787(lines 1787 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,279 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,279 INFO L899 garLoopResultBuilder]: For program point L2317(lines 2317 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,279 INFO L899 garLoopResultBuilder]: For program point L203-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,279 INFO L899 garLoopResultBuilder]: For program point L71-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,279 INFO L899 garLoopResultBuilder]: For program point L2053(lines 2053 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,279 INFO L899 garLoopResultBuilder]: For program point L1525(lines 1525 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,279 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,279 INFO L899 garLoopResultBuilder]: For program point L2450(lines 2450 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,279 INFO L899 garLoopResultBuilder]: For program point L1393(lines 1393 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,279 INFO L899 garLoopResultBuilder]: For program point L1129(lines 1129 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,280 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,280 INFO L899 garLoopResultBuilder]: For program point L1659(lines 1659 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,280 INFO L899 garLoopResultBuilder]: For program point L2584(lines 2584 2600) no Hoare annotation was computed. [2023-11-28 20:23:51,280 INFO L899 garLoopResultBuilder]: For program point L206-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,280 INFO L899 garLoopResultBuilder]: For program point L2188(lines 2188 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,280 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,280 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,280 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 746) no Hoare annotation was computed. [2023-11-28 20:23:51,280 INFO L899 garLoopResultBuilder]: For program point L736-2(lines 736 746) no Hoare annotation was computed. [2023-11-28 20:23:51,280 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,280 INFO L899 garLoopResultBuilder]: For program point L340(lines 340 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,280 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,281 INFO L899 garLoopResultBuilder]: For program point L1926(lines 1926 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,281 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,281 INFO L899 garLoopResultBuilder]: For program point L1794(lines 1794 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,281 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,281 INFO L899 garLoopResultBuilder]: For program point L2323(lines 2323 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,281 INFO L899 garLoopResultBuilder]: For program point L209-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,281 INFO L899 garLoopResultBuilder]: For program point L77-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,281 INFO L899 garLoopResultBuilder]: For program point L1531(lines 1531 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,281 INFO L899 garLoopResultBuilder]: For program point L2456(lines 2456 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,281 INFO L899 garLoopResultBuilder]: For program point L1399(lines 1399 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,281 INFO L899 garLoopResultBuilder]: For program point L1135(lines 1135 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,281 INFO L899 garLoopResultBuilder]: For program point L2060(lines 2060 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,282 INFO L899 garLoopResultBuilder]: For program point L1664(lines 1664 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,282 INFO L895 garLoopResultBuilder]: At program point L2590-2(lines 2590 2599) the Hoare annotation is: (let ((.cse6 (<= ~a28~0 318791)) (.cse20 (<= 218 ~a26~0)) (.cse25 (<= ~a26~0 84)) (.cse22 (<= 137 ~a28~0)) (.cse21 (<= 0 (+ ~a14~0 79))) (.cse18 (<= (+ ~a26~0 68) 0)) (.cse0 (<= 0 (+ ~a26~0 67))) (.cse15 (<= 0 (+ ~a14~0 181))) (.cse16 (<= ~a28~0 134)) (.cse17 (<= 38 ~a28~0)) (.cse7 (= ~a24~0 3)) (.cse19 (<= (+ ~a28~0 121) 0)) (.cse2 (<= ~a26~0 124)) (.cse9 (<= (+ ~a14~0 114) 0)) (.cse10 (<= (+ ~a14~0 182) 0)) (.cse5 (<= 177 ~a28~0)) (.cse8 (<= ~a26~0 217)) (.cse24 (<= 0 (+ ~a14~0 83))) (.cse4 (<= ~a28~0 599997)) (.cse3 (= ~a24~0 2)) (.cse23 (<= ~a28~0 299)) (.cse1 (<= ~a21~0 124)) (.cse11 (= ~a24~0 1)) (.cse12 (<= ~a26~0 600222)) (.cse13 (<= (+ ~a14~0 84) 0)) (.cse14 (<= 0 (+ ~a14~0 113)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse3 .cse6) (and .cse0 .cse7 .cse1 .cse5 .cse8 .cse9 .cse4) (and .cse1 .cse10 .cse8 .cse3) (and .cse1 .cse11 .cse5 .cse12 .cse4) (and .cse1 .cse5 .cse3 .cse13 .cse14) (and .cse7 .cse1 .cse15 .cse9 .cse16 .cse17) (and .cse7 .cse1 .cse15 .cse9 .cse6 .cse18 .cse17) (and .cse1 .cse12 .cse19 .cse3 .cse13 .cse20) (and .cse1 .cse19 .cse21 .cse3 .cse20) (and .cse7 .cse1 .cse10 .cse6 .cse20 .cse22) (and .cse0 .cse7 .cse1 .cse2 .cse13 .cse14 .cse16) (and .cse1 .cse11 .cse19) (and .cse7 .cse1 (<= (+ ~a14~0 427585) 0) .cse19 .cse18) (and .cse1 (or (and .cse11 .cse22) (and .cse11 .cse20)) .cse9) (and .cse0 .cse7 .cse1 .cse10 .cse8 .cse16 .cse17) (and .cse1 (<= ~a28~0 37) .cse11 (<= 555392 ~a14~0)) (and .cse1 .cse11 .cse13 .cse14 .cse23) (and .cse7 .cse1 .cse5 .cse14 .cse18 .cse4) (and .cse1 .cse11 .cse8 .cse14) (and .cse7 .cse1 .cse5 .cse2 .cse6 .cse24) (and .cse1 .cse10 .cse19 .cse3 .cse20) (and .cse11 .cse25) (and .cse11 .cse10) (and .cse0 .cse7 .cse1 .cse5 .cse2 .cse9) (and .cse1 .cse8 .cse3 .cse13 .cse14 .cse23) (and .cse1 .cse12 .cse3 .cse9 .cse20) (and .cse0 .cse1 .cse2 .cse3 .cse9) (and .cse1 .cse11 (= ~a26~0 222) .cse17 .cse4) (and .cse0 .cse7 .cse1 .cse10 .cse25 .cse22) (and .cse1 .cse21 .cse3 .cse18 .cse4) (and .cse7 .cse1 .cse10 .cse5 .cse4) (and .cse7 .cse1 .cse13 .cse14 .cse18 .cse23 .cse17) (and .cse0 .cse7 .cse1 .cse15 .cse8 .cse19 .cse9) (and .cse1 .cse3 .cse16 .cse17) (and .cse7 .cse1 .cse19 .cse2 .cse13 .cse14) (and .cse1 .cse11 .cse2) (and .cse1 .cse8 .cse3 .cse9 (<= (+ ~a28~0 16) 0) (<= 125 ~a26~0)) (and .cse1 .cse10 .cse5 .cse3) (and .cse1 .cse5 .cse8 .cse3 .cse24 .cse4) (and .cse1 .cse3 (<= 135 ~a28~0) .cse23) (and .cse1 .cse11 .cse12 .cse13 .cse14))) [2023-11-28 20:23:51,282 INFO L899 garLoopResultBuilder]: For program point L212-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,282 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,282 INFO L899 garLoopResultBuilder]: For program point L1005(lines 1005 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,283 INFO L899 garLoopResultBuilder]: For program point L609(lines 609 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,283 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,283 INFO L899 garLoopResultBuilder]: For program point L2327(lines 2327 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,283 INFO L899 garLoopResultBuilder]: For program point L2195(lines 2195 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,283 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 615) no Hoare annotation was computed. [2023-11-28 20:23:51,283 INFO L899 garLoopResultBuilder]: For program point L610-2(lines 610 615) no Hoare annotation was computed. [2023-11-28 20:23:51,283 INFO L899 garLoopResultBuilder]: For program point L1535(lines 1535 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,283 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,283 INFO L899 garLoopResultBuilder]: For program point L2328(lines 2328 2339) no Hoare annotation was computed. [2023-11-28 20:23:51,283 INFO L899 garLoopResultBuilder]: For program point L2328-2(lines 2328 2339) no Hoare annotation was computed. [2023-11-28 20:23:51,283 INFO L899 garLoopResultBuilder]: For program point L2196(lines 2196 2206) no Hoare annotation was computed. [2023-11-28 20:23:51,283 INFO L899 garLoopResultBuilder]: For program point L2196-2(lines 2196 2206) no Hoare annotation was computed. [2023-11-28 20:23:51,284 INFO L899 garLoopResultBuilder]: For program point L1932(lines 1932 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,284 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,284 INFO L899 garLoopResultBuilder]: For program point L1272(lines 1272 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,284 INFO L899 garLoopResultBuilder]: For program point L215-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,284 INFO L899 garLoopResultBuilder]: For program point L1140(lines 1140 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,284 INFO L899 garLoopResultBuilder]: For program point L83-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,284 INFO L899 garLoopResultBuilder]: For program point L1801(lines 1801 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,284 INFO L899 garLoopResultBuilder]: For program point L1669(lines 1669 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,284 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,284 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,284 INFO L899 garLoopResultBuilder]: For program point L1802(lines 1802 1810) no Hoare annotation was computed. [2023-11-28 20:23:51,284 INFO L899 garLoopResultBuilder]: For program point L1802-2(lines 1802 1810) no Hoare annotation was computed. [2023-11-28 20:23:51,284 INFO L899 garLoopResultBuilder]: For program point L2595(line 2595) no Hoare annotation was computed. [2023-11-28 20:23:51,285 INFO L899 garLoopResultBuilder]: For program point L1406(lines 1406 1415) no Hoare annotation was computed. [2023-11-28 20:23:51,285 INFO L899 garLoopResultBuilder]: For program point L2463(lines 2463 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,285 INFO L899 garLoopResultBuilder]: For program point L1406-2(lines 1406 1415) no Hoare annotation was computed. [2023-11-28 20:23:51,285 INFO L899 garLoopResultBuilder]: For program point L2067(lines 2067 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,285 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,285 INFO L899 garLoopResultBuilder]: For program point L747(lines 747 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,285 INFO L899 garLoopResultBuilder]: For program point L1937(lines 1937 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,285 INFO L899 garLoopResultBuilder]: For program point L1673(lines 1673 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,285 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,285 INFO L899 garLoopResultBuilder]: For program point L1541(lines 1541 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,285 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,285 INFO L899 garLoopResultBuilder]: For program point L1277(lines 1277 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,286 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,286 INFO L899 garLoopResultBuilder]: For program point L881(lines 881 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,286 INFO L899 garLoopResultBuilder]: For program point L617(lines 617 627) no Hoare annotation was computed. [2023-11-28 20:23:51,286 INFO L899 garLoopResultBuilder]: For program point L617-2(lines 617 627) no Hoare annotation was computed. [2023-11-28 20:23:51,286 INFO L899 garLoopResultBuilder]: For program point L485(lines 485 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,286 INFO L899 garLoopResultBuilder]: For program point L89-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,286 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,286 INFO L899 garLoopResultBuilder]: For program point L2073(lines 2073 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,286 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,286 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,286 INFO L899 garLoopResultBuilder]: For program point L2470(lines 2470 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,286 INFO L899 garLoopResultBuilder]: For program point L92-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,287 INFO L899 garLoopResultBuilder]: For program point L1942(lines 1942 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,287 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,287 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,287 INFO L899 garLoopResultBuilder]: For program point L1282(lines 1282 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,287 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,287 INFO L899 garLoopResultBuilder]: For program point L2207(lines 2207 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,287 INFO L899 garLoopResultBuilder]: For program point L1943(lines 1943 1954) no Hoare annotation was computed. [2023-11-28 20:23:51,287 INFO L899 garLoopResultBuilder]: For program point L1943-2(lines 1943 1954) no Hoare annotation was computed. [2023-11-28 20:23:51,287 INFO L899 garLoopResultBuilder]: For program point L1811(lines 1811 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,287 INFO L899 garLoopResultBuilder]: For program point L2340(lines 2340 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,287 INFO L899 garLoopResultBuilder]: For program point L1680(lines 1680 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,287 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,287 INFO L899 garLoopResultBuilder]: For program point L1416(lines 1416 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,288 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,288 INFO L899 garLoopResultBuilder]: For program point L95-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,288 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-28 20:23:51,288 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,288 INFO L899 garLoopResultBuilder]: For program point L2079(lines 2079 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,288 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,288 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,288 INFO L899 garLoopResultBuilder]: For program point L2344(lines 2344 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,288 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,288 INFO L899 garLoopResultBuilder]: For program point L98-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,288 INFO L899 garLoopResultBuilder]: For program point L759(lines 759 770) no Hoare annotation was computed. [2023-11-28 20:23:51,288 INFO L899 garLoopResultBuilder]: For program point L759-2(lines 759 770) no Hoare annotation was computed. [2023-11-28 20:23:51,289 INFO L899 garLoopResultBuilder]: For program point L2477(lines 2477 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,289 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,289 INFO L899 garLoopResultBuilder]: For program point L2213(lines 2213 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,289 INFO L899 garLoopResultBuilder]: For program point L1817(lines 1817 2580) no Hoare annotation was computed. [2023-11-28 20:23:51,289 INFO L899 garLoopResultBuilder]: For program point L628(lines 628 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,289 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,289 INFO L899 garLoopResultBuilder]: For program point L1289(lines 1289 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,289 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,289 INFO L899 garLoopResultBuilder]: For program point L101-1(lines 34 1654) no Hoare annotation was computed. [2023-11-28 20:23:51,289 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1652) no Hoare annotation was computed. [2023-11-28 20:23:51,293 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, 1, 1, 1, 1, 1] [2023-11-28 20:23:51,295 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 20:23:51,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:23:51 BoogieIcfgContainer [2023-11-28 20:23:51,318 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 20:23:51,319 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 20:23:51,319 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 20:23:51,319 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 20:23:51,320 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:20:50" (3/4) ... [2023-11-28 20:23:51,322 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-28 20:23:51,362 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-28 20:23:51,367 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-28 20:23:51,372 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-28 20:23:51,377 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-28 20:23:51,737 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-28 20:23:51,737 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-28 20:23:51,737 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 20:23:51,738 INFO L158 Benchmark]: Toolchain (without parser) took 186974.83ms. Allocated memory was 134.2MB in the beginning and 6.8GB in the end (delta: 6.7GB). Free memory was 86.5MB in the beginning and 1.7GB in the end (delta: -1.7GB). Peak memory consumption was 5.0GB. Max. memory is 16.1GB. [2023-11-28 20:23:51,738 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:23:51,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1305.05ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 86.1MB in the beginning and 98.2MB in the end (delta: -12.1MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2023-11-28 20:23:51,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 260.47ms. Allocated memory is still 165.7MB. Free memory was 98.2MB in the beginning and 72.8MB in the end (delta: 25.3MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2023-11-28 20:23:51,739 INFO L158 Benchmark]: Boogie Preprocessor took 442.36ms. Allocated memory was 165.7MB in the beginning and 249.6MB in the end (delta: 83.9MB). Free memory was 72.8MB in the beginning and 146.1MB in the end (delta: -73.2MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2023-11-28 20:23:51,739 INFO L158 Benchmark]: RCFGBuilder took 3930.71ms. Allocated memory was 249.6MB in the beginning and 320.9MB in the end (delta: 71.3MB). Free memory was 146.1MB in the beginning and 138.1MB in the end (delta: 8.0MB). Peak memory consumption was 130.8MB. Max. memory is 16.1GB. [2023-11-28 20:23:51,739 INFO L158 Benchmark]: TraceAbstraction took 180611.05ms. Allocated memory was 320.9MB in the beginning and 6.8GB in the end (delta: 6.5GB). Free memory was 137.1MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 5.8GB. Max. memory is 16.1GB. [2023-11-28 20:23:51,740 INFO L158 Benchmark]: Witness Printer took 418.47ms. Allocated memory is still 6.8GB. Free memory was 1.8GB in the beginning and 1.7GB in the end (delta: 41.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-28 20:23:51,741 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1305.05ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 86.1MB in the beginning and 98.2MB in the end (delta: -12.1MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 260.47ms. Allocated memory is still 165.7MB. Free memory was 98.2MB in the beginning and 72.8MB in the end (delta: 25.3MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 442.36ms. Allocated memory was 165.7MB in the beginning and 249.6MB in the end (delta: 83.9MB). Free memory was 72.8MB in the beginning and 146.1MB in the end (delta: -73.2MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * RCFGBuilder took 3930.71ms. Allocated memory was 249.6MB in the beginning and 320.9MB in the end (delta: 71.3MB). Free memory was 146.1MB in the beginning and 138.1MB in the end (delta: 8.0MB). Peak memory consumption was 130.8MB. Max. memory is 16.1GB. * TraceAbstraction took 180611.05ms. Allocated memory was 320.9MB in the beginning and 6.8GB in the end (delta: 6.5GB). Free memory was 137.1MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 5.8GB. Max. memory is 16.1GB. * Witness Printer took 418.47ms. Allocated memory is still 6.8GB. Free memory was 1.8GB in the beginning and 1.7GB in the end (delta: 41.9MB). Peak memory consumption was 39.8MB. 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: 189]: 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, 528 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 180.5s, OverallIterations: 29, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.9s, AutomataDifference: 90.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 37.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28555 SdHoareTripleChecker+Valid, 80.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28555 mSDsluCounter, 13796 SdHoareTripleChecker+Invalid, 70.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2017 mSDsCounter, 10673 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64842 IncrementalHoareTripleChecker+Invalid, 75515 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10673 mSolverCounterUnsat, 11779 mSDtfsCounter, 64842 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6208 GetRequests, 6098 SyntacticMatches, 2 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70758occurred in iteration=16, InterpolantAutomatonStates: 145, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 13.4s AutomataMinimizationTime, 29 MinimizatonAttempts, 111930 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 254 NumberOfFragments, 823 HoareAnnotationTreeSize, 1 FomulaSimplifications, 106167 FormulaSimplificationTreeSizeReduction, 30.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 25507 FormulaSimplificationTreeSizeReductionInter, 7.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 32.1s InterpolantComputationTime, 20637 NumberOfCodeBlocks, 20637 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 23633 ConstructedInterpolants, 0 QuantifiedInterpolants, 94585 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3555 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 35 InterpolantComputations, 27 PerfectInterpolantSequences, 29749/31994 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: 2590]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((0 <= (a26 + 67)) && (a21 <= 124)) && (a26 <= 124)) && (a24 == 2)) && (a28 <= 599997)) || ((((a21 <= 124) && (177 <= a28)) && (a24 == 2)) && (a28 <= 318791))) || (((((((0 <= (a26 + 67)) && (a24 == 3)) && (a21 <= 124)) && (177 <= a28)) && (a26 <= 217)) && ((a14 + 114) <= 0)) && (a28 <= 599997))) || ((((a21 <= 124) && ((a14 + 182) <= 0)) && (a26 <= 217)) && (a24 == 2))) || (((((a21 <= 124) && (a24 == 1)) && (177 <= a28)) && (a26 <= 600222)) && (a28 <= 599997))) || (((((a21 <= 124) && (177 <= a28)) && (a24 == 2)) && ((a14 + 84) <= 0)) && (0 <= (a14 + 113)))) || ((((((a24 == 3) && (a21 <= 124)) && (0 <= (a14 + 181))) && ((a14 + 114) <= 0)) && (a28 <= 134)) && (38 <= a28))) || (((((((a24 == 3) && (a21 <= 124)) && (0 <= (a14 + 181))) && ((a14 + 114) <= 0)) && (a28 <= 318791)) && ((a26 + 68) <= 0)) && (38 <= a28))) || ((((((a21 <= 124) && (a26 <= 600222)) && ((a28 + 121) <= 0)) && (a24 == 2)) && ((a14 + 84) <= 0)) && (218 <= a26))) || (((((a21 <= 124) && ((a28 + 121) <= 0)) && (0 <= (a14 + 79))) && (a24 == 2)) && (218 <= a26))) || ((((((a24 == 3) && (a21 <= 124)) && ((a14 + 182) <= 0)) && (a28 <= 318791)) && (218 <= a26)) && (137 <= a28))) || (((((((0 <= (a26 + 67)) && (a24 == 3)) && (a21 <= 124)) && (a26 <= 124)) && ((a14 + 84) <= 0)) && (0 <= (a14 + 113))) && (a28 <= 134))) || (((a21 <= 124) && (a24 == 1)) && ((a28 + 121) <= 0))) || (((((a24 == 3) && (a21 <= 124)) && ((a14 + 427585) <= 0)) && ((a28 + 121) <= 0)) && ((a26 + 68) <= 0))) || (((a21 <= 124) && (((a24 == 1) && (137 <= a28)) || ((a24 == 1) && (218 <= a26)))) && ((a14 + 114) <= 0))) || (((((((0 <= (a26 + 67)) && (a24 == 3)) && (a21 <= 124)) && ((a14 + 182) <= 0)) && (a26 <= 217)) && (a28 <= 134)) && (38 <= a28))) || ((((a21 <= 124) && (a28 <= 37)) && (a24 == 1)) && (555392 <= a14))) || (((((a21 <= 124) && (a24 == 1)) && ((a14 + 84) <= 0)) && (0 <= (a14 + 113))) && (a28 <= 299))) || ((((((a24 == 3) && (a21 <= 124)) && (177 <= a28)) && (0 <= (a14 + 113))) && ((a26 + 68) <= 0)) && (a28 <= 599997))) || ((((a21 <= 124) && (a24 == 1)) && (a26 <= 217)) && (0 <= (a14 + 113)))) || ((((((a24 == 3) && (a21 <= 124)) && (177 <= a28)) && (a26 <= 124)) && (a28 <= 318791)) && (0 <= (a14 + 83)))) || (((((a21 <= 124) && ((a14 + 182) <= 0)) && ((a28 + 121) <= 0)) && (a24 == 2)) && (218 <= a26))) || ((a24 == 1) && (a26 <= 84))) || ((a24 == 1) && ((a14 + 182) <= 0))) || ((((((0 <= (a26 + 67)) && (a24 == 3)) && (a21 <= 124)) && (177 <= a28)) && (a26 <= 124)) && ((a14 + 114) <= 0))) || ((((((a21 <= 124) && (a26 <= 217)) && (a24 == 2)) && ((a14 + 84) <= 0)) && (0 <= (a14 + 113))) && (a28 <= 299))) || (((((a21 <= 124) && (a26 <= 600222)) && (a24 == 2)) && ((a14 + 114) <= 0)) && (218 <= a26))) || (((((0 <= (a26 + 67)) && (a21 <= 124)) && (a26 <= 124)) && (a24 == 2)) && ((a14 + 114) <= 0))) || (((((a21 <= 124) && (a24 == 1)) && (a26 == 222)) && (38 <= a28)) && (a28 <= 599997))) || ((((((0 <= (a26 + 67)) && (a24 == 3)) && (a21 <= 124)) && ((a14 + 182) <= 0)) && (a26 <= 84)) && (137 <= a28))) || (((((a21 <= 124) && (0 <= (a14 + 79))) && (a24 == 2)) && ((a26 + 68) <= 0)) && (a28 <= 599997))) || (((((a24 == 3) && (a21 <= 124)) && ((a14 + 182) <= 0)) && (177 <= a28)) && (a28 <= 599997))) || (((((((a24 == 3) && (a21 <= 124)) && ((a14 + 84) <= 0)) && (0 <= (a14 + 113))) && ((a26 + 68) <= 0)) && (a28 <= 299)) && (38 <= a28))) || (((((((0 <= (a26 + 67)) && (a24 == 3)) && (a21 <= 124)) && (0 <= (a14 + 181))) && (a26 <= 217)) && ((a28 + 121) <= 0)) && ((a14 + 114) <= 0))) || ((((a21 <= 124) && (a24 == 2)) && (a28 <= 134)) && (38 <= a28))) || ((((((a24 == 3) && (a21 <= 124)) && ((a28 + 121) <= 0)) && (a26 <= 124)) && ((a14 + 84) <= 0)) && (0 <= (a14 + 113)))) || (((a21 <= 124) && (a24 == 1)) && (a26 <= 124))) || ((((((a21 <= 124) && (a26 <= 217)) && (a24 == 2)) && ((a14 + 114) <= 0)) && ((a28 + 16) <= 0)) && (125 <= a26))) || ((((a21 <= 124) && ((a14 + 182) <= 0)) && (177 <= a28)) && (a24 == 2))) || ((((((a21 <= 124) && (177 <= a28)) && (a26 <= 217)) && (a24 == 2)) && (0 <= (a14 + 83))) && (a28 <= 599997))) || ((((a21 <= 124) && (a24 == 2)) && (135 <= a28)) && (a28 <= 299))) || (((((a21 <= 124) && (a24 == 1)) && (a26 <= 600222)) && ((a14 + 84) <= 0)) && (0 <= (a14 + 113)))) RESULT: Ultimate proved your program to be correct! [2023-11-28 20:23:51,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958ac08c-c09b-4d67-a519-4ddd1b962b45/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE