./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label16.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_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/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_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/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_e1b9c861-6684-403f-84ff-dc092cd2bdaf/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 93a127dc0b7a4d224911518339abd36637a414ede1527bd802daa3550402937e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:23:24,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:23:24,516 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:23:24,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:23:24,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:23:24,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:23:24,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:23:24,547 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:23:24,548 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:23:24,548 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:23:24,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:23:24,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:23:24,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:23:24,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:23:24,551 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:23:24,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:23:24,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:23:24,553 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:23:24,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:23:24,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:23:24,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:23:24,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:23:24,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:23:24,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:23:24,556 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:23:24,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:23:24,557 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:23:24,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:23:24,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:23:24,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:23:24,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:23:24,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:23:24,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:23:24,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:23:24,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:23:24,560 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:23:24,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:23:24,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:23:24,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:23:24,561 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:23:24,561 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:23:24,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:23:24,561 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_e1b9c861-6684-403f-84ff-dc092cd2bdaf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93a127dc0b7a4d224911518339abd36637a414ede1527bd802daa3550402937e [2023-11-29 05:23:24,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:23:24,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:23:24,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:23:24,803 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:23:24,804 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:23:24,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/eca-rers2012/Problem14_label16.c [2023-11-29 05:23:27,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:23:27,750 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:23:27,751 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/sv-benchmarks/c/eca-rers2012/Problem14_label16.c [2023-11-29 05:23:27,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/data/09e58592f/bca3d86fc2494f03bf449431da027e52/FLAGccfaf7352 [2023-11-29 05:23:27,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/data/09e58592f/bca3d86fc2494f03bf449431da027e52 [2023-11-29 05:23:27,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:23:27,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:23:27,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:23:27,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:23:27,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:23:27,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:23:27" (1/1) ... [2023-11-29 05:23:27,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b984a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:27, skipping insertion in model container [2023-11-29 05:23:27,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:23:27" (1/1) ... [2023-11-29 05:23:27,846 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:23:28,009 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_e1b9c861-6684-403f-84ff-dc092cd2bdaf/sv-benchmarks/c/eca-rers2012/Problem14_label16.c[4807,4820] [2023-11-29 05:23:28,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:23:28,186 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:23:28,208 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_e1b9c861-6684-403f-84ff-dc092cd2bdaf/sv-benchmarks/c/eca-rers2012/Problem14_label16.c[4807,4820] [2023-11-29 05:23:28,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:23:28,313 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:23:28,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28 WrapperNode [2023-11-29 05:23:28,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:23:28,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:23:28,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:23:28,314 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:23:28,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,423 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 859 [2023-11-29 05:23:28,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:23:28,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:23:28,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:23:28,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:23:28,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,441 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,471 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 05:23:28,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,472 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:23:28,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:23:28,533 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:23:28,533 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:23:28,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (1/1) ... [2023-11-29 05:23:28,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:23:28,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:28,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:23:28,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:23:28,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:23:28,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:23:28,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:23:28,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:23:28,652 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:23:28,654 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:23:29,730 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:23:29,777 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:23:29,777 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:23:29,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:23:29 BoogieIcfgContainer [2023-11-29 05:23:29,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:23:29,780 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:23:29,781 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:23:29,783 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:23:29,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:23:27" (1/3) ... [2023-11-29 05:23:29,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a38b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:23:29, skipping insertion in model container [2023-11-29 05:23:29,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:23:28" (2/3) ... [2023-11-29 05:23:29,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a38b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:23:29, skipping insertion in model container [2023-11-29 05:23:29,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:23:29" (3/3) ... [2023-11-29 05:23:29,786 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label16.c [2023-11-29 05:23:29,801 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:23:29,801 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:23:29,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:23:29,880 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;@6aa0c3f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:23:29,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:23:29,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 181 states have (on average 1.988950276243094) internal successors, (360), 182 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) [2023-11-29 05:23:29,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-29 05:23:29,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:29,893 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] [2023-11-29 05:23:29,893 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:23:29,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:29,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1110063371, now seen corresponding path program 1 times [2023-11-29 05:23:29,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:29,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668118466] [2023-11-29 05:23:29,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:29,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:23:30,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:30,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668118466] [2023-11-29 05:23:30,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668118466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:30,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:30,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:23:30,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754978418] [2023-11-29 05:23:30,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:30,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:23:30,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:30,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:23:30,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:23:30,094 INFO L87 Difference]: Start difference. First operand has 183 states, 181 states have (on average 1.988950276243094) internal successors, (360), 182 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) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:30,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:30,132 INFO L93 Difference]: Finished difference Result 365 states and 719 transitions. [2023-11-29 05:23:30,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:23:30,135 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 45 [2023-11-29 05:23:30,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:30,145 INFO L225 Difference]: With dead ends: 365 [2023-11-29 05:23:30,145 INFO L226 Difference]: Without dead ends: 181 [2023-11-29 05:23:30,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:23:30,151 INFO L413 NwaCegarLoop]: 295 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, 295 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:30,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 295 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:23:30,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-11-29 05:23:30,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2023-11-29 05:23:30,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 180 states have (on average 1.6388888888888888) internal successors, (295), 180 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:30,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 295 transitions. [2023-11-29 05:23:30,193 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 295 transitions. Word has length 45 [2023-11-29 05:23:30,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:30,194 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 295 transitions. [2023-11-29 05:23:30,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:30,194 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 295 transitions. [2023-11-29 05:23:30,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-29 05:23:30,196 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:30,196 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] [2023-11-29 05:23:30,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:23:30,197 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:23:30,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:30,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1694707743, now seen corresponding path program 1 times [2023-11-29 05:23:30,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:30,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127195249] [2023-11-29 05:23:30,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:30,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:30,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:23:30,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:30,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127195249] [2023-11-29 05:23:30,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127195249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:30,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:30,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:23:30,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456485859] [2023-11-29 05:23:30,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:30,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:23:30,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:30,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:23:30,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:30,351 INFO L87 Difference]: Start difference. First operand 181 states and 295 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:31,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:31,187 INFO L93 Difference]: Finished difference Result 539 states and 882 transitions. [2023-11-29 05:23:31,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:23:31,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 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 45 [2023-11-29 05:23:31,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:31,192 INFO L225 Difference]: With dead ends: 539 [2023-11-29 05:23:31,192 INFO L226 Difference]: Without dead ends: 359 [2023-11-29 05:23:31,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:31,195 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 136 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:31,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 51 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 05:23:31,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2023-11-29 05:23:31,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2023-11-29 05:23:31,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 358 states have (on average 1.5223463687150838) internal successors, (545), 358 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:31,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 545 transitions. [2023-11-29 05:23:31,231 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 545 transitions. Word has length 45 [2023-11-29 05:23:31,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:31,231 INFO L495 AbstractCegarLoop]: Abstraction has 359 states and 545 transitions. [2023-11-29 05:23:31,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:31,232 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 545 transitions. [2023-11-29 05:23:31,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-29 05:23:31,238 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:31,238 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:31,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:23:31,239 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:23:31,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:31,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1124660270, now seen corresponding path program 1 times [2023-11-29 05:23:31,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:31,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612429631] [2023-11-29 05:23:31,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:31,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:31,432 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:23:31,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:31,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612429631] [2023-11-29 05:23:31,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612429631] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:31,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:31,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:23:31,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415735589] [2023-11-29 05:23:31,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:31,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:23:31,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:31,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:23:31,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:31,437 INFO L87 Difference]: Start difference. First operand 359 states and 545 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:32,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:32,112 INFO L93 Difference]: Finished difference Result 1073 states and 1632 transitions. [2023-11-29 05:23:32,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:23:32,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 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 120 [2023-11-29 05:23:32,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:32,118 INFO L225 Difference]: With dead ends: 1073 [2023-11-29 05:23:32,118 INFO L226 Difference]: Without dead ends: 715 [2023-11-29 05:23:32,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:32,121 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 122 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:32,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 93 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:23:32,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2023-11-29 05:23:32,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 715. [2023-11-29 05:23:32,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 715 states, 714 states have (on average 1.354341736694678) internal successors, (967), 714 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:32,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 967 transitions. [2023-11-29 05:23:32,152 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 967 transitions. Word has length 120 [2023-11-29 05:23:32,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:32,152 INFO L495 AbstractCegarLoop]: Abstraction has 715 states and 967 transitions. [2023-11-29 05:23:32,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:32,153 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 967 transitions. [2023-11-29 05:23:32,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 05:23:32,156 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:32,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:32,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:23:32,156 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:23:32,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:32,157 INFO L85 PathProgramCache]: Analyzing trace with hash 886483144, now seen corresponding path program 1 times [2023-11-29 05:23:32,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:32,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227043651] [2023-11-29 05:23:32,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:32,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:32,513 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:23:32,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:32,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227043651] [2023-11-29 05:23:32,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227043651] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:32,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:32,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:23:32,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903949077] [2023-11-29 05:23:32,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:32,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:23:32,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:32,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:23:32,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:23:32,517 INFO L87 Difference]: Start difference. First operand 715 states and 967 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:33,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:33,527 INFO L93 Difference]: Finished difference Result 1963 states and 2569 transitions. [2023-11-29 05:23:33,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:23:33,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 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 124 [2023-11-29 05:23:33,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:33,535 INFO L225 Difference]: With dead ends: 1963 [2023-11-29 05:23:33,535 INFO L226 Difference]: Without dead ends: 1249 [2023-11-29 05:23:33,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:23:33,538 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 418 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:33,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 119 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 977 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 05:23:33,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2023-11-29 05:23:33,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1249. [2023-11-29 05:23:33,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1249 states, 1248 states have (on average 1.236378205128205) internal successors, (1543), 1248 states have internal predecessors, (1543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1543 transitions. [2023-11-29 05:23:33,569 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1543 transitions. Word has length 124 [2023-11-29 05:23:33,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:33,569 INFO L495 AbstractCegarLoop]: Abstraction has 1249 states and 1543 transitions. [2023-11-29 05:23:33,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:33,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1543 transitions. [2023-11-29 05:23:33,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-29 05:23:33,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:33,576 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 05:23:33,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:23:33,576 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:23:33,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:33,577 INFO L85 PathProgramCache]: Analyzing trace with hash 43990108, now seen corresponding path program 1 times [2023-11-29 05:23:33,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:33,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617733720] [2023-11-29 05:23:33,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:33,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:33,902 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-29 05:23:33,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:33,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617733720] [2023-11-29 05:23:33,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617733720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:33,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:33,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:23:33,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543129698] [2023-11-29 05:23:33,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:33,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:23:33,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:33,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:23:33,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:23:33,906 INFO L87 Difference]: Start difference. First operand 1249 states and 1543 transitions. Second operand has 4 states, 4 states have (on average 47.5) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:34,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:34,659 INFO L93 Difference]: Finished difference Result 2704 states and 3352 transitions. [2023-11-29 05:23:34,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:23:34,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 3 states have internal predecessors, (190), 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 204 [2023-11-29 05:23:34,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:34,667 INFO L225 Difference]: With dead ends: 2704 [2023-11-29 05:23:34,667 INFO L226 Difference]: Without dead ends: 1605 [2023-11-29 05:23:34,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:23:34,670 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 116 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:34,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 116 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 05:23:34,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2023-11-29 05:23:34,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1605. [2023-11-29 05:23:34,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1605 states, 1604 states have (on average 1.1221945137157108) internal successors, (1800), 1604 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:34,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 1800 transitions. [2023-11-29 05:23:34,703 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 1800 transitions. Word has length 204 [2023-11-29 05:23:34,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:34,703 INFO L495 AbstractCegarLoop]: Abstraction has 1605 states and 1800 transitions. [2023-11-29 05:23:34,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.5) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:34,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1800 transitions. [2023-11-29 05:23:34,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2023-11-29 05:23:34,707 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:34,708 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, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:34,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 05:23:34,708 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:23:34,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:34,709 INFO L85 PathProgramCache]: Analyzing trace with hash 2119735221, now seen corresponding path program 1 times [2023-11-29 05:23:34,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:34,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867657036] [2023-11-29 05:23:34,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:34,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:35,181 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 179 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-29 05:23:35,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:35,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867657036] [2023-11-29 05:23:35,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867657036] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:23:35,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686192157] [2023-11-29 05:23:35,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:35,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:35,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:35,184 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:35,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:23:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:35,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:23:35,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:35,773 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-11-29 05:23:35,773 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:23:35,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686192157] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:35,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:23:35,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 05:23:35,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490150500] [2023-11-29 05:23:35,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:35,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:23:35,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:35,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:23:35,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:23:35,776 INFO L87 Difference]: Start difference. First operand 1605 states and 1800 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 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) [2023-11-29 05:23:36,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:36,367 INFO L93 Difference]: Finished difference Result 3387 states and 3900 transitions. [2023-11-29 05:23:36,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:23:36,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 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 331 [2023-11-29 05:23:36,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:36,378 INFO L225 Difference]: With dead ends: 3387 [2023-11-29 05:23:36,378 INFO L226 Difference]: Without dead ends: 1961 [2023-11-29 05:23:36,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:23:36,381 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 82 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:36,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 45 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 05:23:36,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2023-11-29 05:23:36,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1783. [2023-11-29 05:23:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1783 states, 1782 states have (on average 1.131874298540965) internal successors, (2017), 1782 states have internal predecessors, (2017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:36,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 2017 transitions. [2023-11-29 05:23:36,425 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 2017 transitions. Word has length 331 [2023-11-29 05:23:36,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:36,426 INFO L495 AbstractCegarLoop]: Abstraction has 1783 states and 2017 transitions. [2023-11-29 05:23:36,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 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) [2023-11-29 05:23:36,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2017 transitions. [2023-11-29 05:23:36,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2023-11-29 05:23:36,432 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:36,432 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:36,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:23:36,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 05:23:36,633 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:23:36,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:36,634 INFO L85 PathProgramCache]: Analyzing trace with hash 284789547, now seen corresponding path program 1 times [2023-11-29 05:23:36,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:36,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4201413] [2023-11-29 05:23:36,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:36,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:37,062 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-29 05:23:37,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:37,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4201413] [2023-11-29 05:23:37,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4201413] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:37,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:37,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:23:37,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157867223] [2023-11-29 05:23:37,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:37,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:23:37,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:37,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:23:37,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:37,066 INFO L87 Difference]: Start difference. First operand 1783 states and 2017 transitions. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:37,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:37,620 INFO L93 Difference]: Finished difference Result 3743 states and 4281 transitions. [2023-11-29 05:23:37,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:23:37,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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 335 [2023-11-29 05:23:37,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:37,630 INFO L225 Difference]: With dead ends: 3743 [2023-11-29 05:23:37,630 INFO L226 Difference]: Without dead ends: 2139 [2023-11-29 05:23:37,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:37,633 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 100 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:37,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 75 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 05:23:37,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2023-11-29 05:23:37,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 2139. [2023-11-29 05:23:37,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2139 states, 2138 states have (on average 1.128157156220767) internal successors, (2412), 2138 states have internal predecessors, (2412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:37,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2412 transitions. [2023-11-29 05:23:37,669 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2412 transitions. Word has length 335 [2023-11-29 05:23:37,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:37,670 INFO L495 AbstractCegarLoop]: Abstraction has 2139 states and 2412 transitions. [2023-11-29 05:23:37,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:37,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2412 transitions. [2023-11-29 05:23:37,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2023-11-29 05:23:37,674 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:37,675 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2023-11-29 05:23:37,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 05:23:37,675 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:23:37,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:37,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1341655257, now seen corresponding path program 1 times [2023-11-29 05:23:37,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:37,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770558786] [2023-11-29 05:23:37,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:37,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-11-29 05:23:37,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:37,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770558786] [2023-11-29 05:23:37,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770558786] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:37,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:37,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:23:37,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436656528] [2023-11-29 05:23:37,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:37,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:23:37,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:37,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:23:37,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:37,902 INFO L87 Difference]: Start difference. First operand 2139 states and 2412 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) [2023-11-29 05:23:38,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:38,491 INFO L93 Difference]: Finished difference Result 4633 states and 5294 transitions. [2023-11-29 05:23:38,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:23:38,492 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 362 [2023-11-29 05:23:38,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:38,503 INFO L225 Difference]: With dead ends: 4633 [2023-11-29 05:23:38,503 INFO L226 Difference]: Without dead ends: 2673 [2023-11-29 05:23:38,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:38,506 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 135 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:38,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 255 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:23:38,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2673 states. [2023-11-29 05:23:38,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2673 to 2673. [2023-11-29 05:23:38,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2673 states, 2672 states have (on average 1.1208832335329342) internal successors, (2995), 2672 states have internal predecessors, (2995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:38,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2673 states and 2995 transitions. [2023-11-29 05:23:38,552 INFO L78 Accepts]: Start accepts. Automaton has 2673 states and 2995 transitions. Word has length 362 [2023-11-29 05:23:38,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:38,553 INFO L495 AbstractCegarLoop]: Abstraction has 2673 states and 2995 transitions. [2023-11-29 05:23:38,553 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) [2023-11-29 05:23:38,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 2995 transitions. [2023-11-29 05:23:38,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2023-11-29 05:23:38,558 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:38,558 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-29 05:23:38,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 05:23:38,558 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:23:38,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:38,559 INFO L85 PathProgramCache]: Analyzing trace with hash 872818326, now seen corresponding path program 1 times [2023-11-29 05:23:38,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:38,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33408045] [2023-11-29 05:23:38,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:38,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:38,770 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-11-29 05:23:38,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:38,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33408045] [2023-11-29 05:23:38,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33408045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:38,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:38,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:23:38,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463392801] [2023-11-29 05:23:38,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:38,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:23:38,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:38,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:23:38,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:38,773 INFO L87 Difference]: Start difference. First operand 2673 states and 2995 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:39,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:39,328 INFO L93 Difference]: Finished difference Result 5523 states and 6280 transitions. [2023-11-29 05:23:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:23:39,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 369 [2023-11-29 05:23:39,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:39,340 INFO L225 Difference]: With dead ends: 5523 [2023-11-29 05:23:39,341 INFO L226 Difference]: Without dead ends: 3029 [2023-11-29 05:23:39,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:39,344 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 138 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:39,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 222 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 05:23:39,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2023-11-29 05:23:39,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 2851. [2023-11-29 05:23:39,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2851 states, 2850 states have (on average 1.1417543859649122) internal successors, (3254), 2850 states have internal predecessors, (3254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:39,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2851 states to 2851 states and 3254 transitions. [2023-11-29 05:23:39,389 INFO L78 Accepts]: Start accepts. Automaton has 2851 states and 3254 transitions. Word has length 369 [2023-11-29 05:23:39,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:39,390 INFO L495 AbstractCegarLoop]: Abstraction has 2851 states and 3254 transitions. [2023-11-29 05:23:39,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:39,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2851 states and 3254 transitions. [2023-11-29 05:23:39,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2023-11-29 05:23:39,396 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:39,397 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, 4, 4, 4, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:39,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 05:23:39,397 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:23:39,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:39,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1406424554, now seen corresponding path program 1 times [2023-11-29 05:23:39,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:39,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357488567] [2023-11-29 05:23:39,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:39,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:39,698 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-11-29 05:23:39,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:39,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357488567] [2023-11-29 05:23:39,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357488567] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:39,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:39,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:23:39,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368614784] [2023-11-29 05:23:39,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:39,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:23:39,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:39,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:23:39,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:39,701 INFO L87 Difference]: Start difference. First operand 2851 states and 3254 transitions. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:40,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:40,321 INFO L93 Difference]: Finished difference Result 6591 states and 7589 transitions. [2023-11-29 05:23:40,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:23:40,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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 441 [2023-11-29 05:23:40,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:40,343 INFO L225 Difference]: With dead ends: 6591 [2023-11-29 05:23:40,343 INFO L226 Difference]: Without dead ends: 3919 [2023-11-29 05:23:40,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:23:40,348 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 119 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:40,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 56 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:23:40,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3919 states. [2023-11-29 05:23:40,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3919 to 3919. [2023-11-29 05:23:40,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3919 states, 3918 states have (on average 1.1375701888718734) internal successors, (4457), 3918 states have internal predecessors, (4457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:40,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3919 states to 3919 states and 4457 transitions. [2023-11-29 05:23:40,463 INFO L78 Accepts]: Start accepts. Automaton has 3919 states and 4457 transitions. Word has length 441 [2023-11-29 05:23:40,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:40,464 INFO L495 AbstractCegarLoop]: Abstraction has 3919 states and 4457 transitions. [2023-11-29 05:23:40,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:40,464 INFO L276 IsEmpty]: Start isEmpty. Operand 3919 states and 4457 transitions. [2023-11-29 05:23:40,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2023-11-29 05:23:40,478 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:40,479 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, 5, 5, 5, 5, 5, 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, 3, 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] [2023-11-29 05:23:40,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 05:23:40,479 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:23:40,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:40,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1739476626, now seen corresponding path program 1 times [2023-11-29 05:23:40,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:40,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352289522] [2023-11-29 05:23:40,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:40,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:41,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 694 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2023-11-29 05:23:41,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:41,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352289522] [2023-11-29 05:23:41,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352289522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:41,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:23:41,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:23:41,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306194101] [2023-11-29 05:23:41,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:41,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:23:41,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:41,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:23:41,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:23:41,033 INFO L87 Difference]: Start difference. First operand 3919 states and 4457 transitions. Second operand has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:41,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:41,706 INFO L93 Difference]: Finished difference Result 7895 states and 8988 transitions. [2023-11-29 05:23:41,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:23:41,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 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 516 [2023-11-29 05:23:41,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:41,727 INFO L225 Difference]: With dead ends: 7895 [2023-11-29 05:23:41,727 INFO L226 Difference]: Without dead ends: 4097 [2023-11-29 05:23:41,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:23:41,732 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 124 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:41,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 14 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:23:41,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4097 states. [2023-11-29 05:23:41,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4097 to 3919. [2023-11-29 05:23:41,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3919 states, 3918 states have (on average 1.0941807044410414) internal successors, (4287), 3918 states have internal predecessors, (4287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:41,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3919 states to 3919 states and 4287 transitions. [2023-11-29 05:23:41,819 INFO L78 Accepts]: Start accepts. Automaton has 3919 states and 4287 transitions. Word has length 516 [2023-11-29 05:23:41,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:41,820 INFO L495 AbstractCegarLoop]: Abstraction has 3919 states and 4287 transitions. [2023-11-29 05:23:41,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:41,821 INFO L276 IsEmpty]: Start isEmpty. Operand 3919 states and 4287 transitions. [2023-11-29 05:23:41,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2023-11-29 05:23:41,826 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:41,826 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:41,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 05:23:41,827 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:23:41,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:41,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1807296973, now seen corresponding path program 1 times [2023-11-29 05:23:41,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:41,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001452817] [2023-11-29 05:23:41,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:41,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:42,498 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 193 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2023-11-29 05:23:42,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:42,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001452817] [2023-11-29 05:23:42,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001452817] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:23:42,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26451450] [2023-11-29 05:23:42,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:42,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:42,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:42,500 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:42,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:23:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:42,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:23:42,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:43,314 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-29 05:23:43,315 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:23:43,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26451450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:43,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:23:43,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2023-11-29 05:23:43,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064962096] [2023-11-29 05:23:43,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:43,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:23:43,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:43,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:23:43,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:23:43,318 INFO L87 Difference]: Start difference. First operand 3919 states and 4287 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 2 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:43,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:43,767 INFO L93 Difference]: Finished difference Result 5167 states and 5635 transitions. [2023-11-29 05:23:43,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:23:43,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 2 states have internal predecessors, (161), 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 524 [2023-11-29 05:23:43,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:43,793 INFO L225 Difference]: With dead ends: 5167 [2023-11-29 05:23:43,793 INFO L226 Difference]: Without dead ends: 5165 [2023-11-29 05:23:43,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 523 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:23:43,795 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 40 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:43,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 9 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 05:23:43,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5165 states. [2023-11-29 05:23:43,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5165 to 4097. [2023-11-29 05:23:43,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4097 states, 4096 states have (on average 1.095703125) internal successors, (4488), 4096 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:43,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4097 states to 4097 states and 4488 transitions. [2023-11-29 05:23:43,888 INFO L78 Accepts]: Start accepts. Automaton has 4097 states and 4488 transitions. Word has length 524 [2023-11-29 05:23:43,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:43,889 INFO L495 AbstractCegarLoop]: Abstraction has 4097 states and 4488 transitions. [2023-11-29 05:23:43,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 2 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:43,890 INFO L276 IsEmpty]: Start isEmpty. Operand 4097 states and 4488 transitions. [2023-11-29 05:23:43,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2023-11-29 05:23:43,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:43,897 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:43,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:23:44,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 05:23:44,099 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:23:44,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:44,099 INFO L85 PathProgramCache]: Analyzing trace with hash 295184739, now seen corresponding path program 1 times [2023-11-29 05:23:44,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:44,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188899880] [2023-11-29 05:23:44,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:44,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:44,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 883 proven. 11 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2023-11-29 05:23:44,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:44,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188899880] [2023-11-29 05:23:44,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188899880] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:23:44,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061934253] [2023-11-29 05:23:44,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:44,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:44,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:44,909 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:44,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:23:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:45,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:23:45,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked. [2023-11-29 05:23:45,198 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:23:45,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061934253] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:45,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:23:45,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-29 05:23:45,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374837971] [2023-11-29 05:23:45,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:45,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:23:45,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:45,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:23:45,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:23:45,201 INFO L87 Difference]: Start difference. First operand 4097 states and 4488 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:45,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:45,616 INFO L93 Difference]: Finished difference Result 5701 states and 6209 transitions. [2023-11-29 05:23:45,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:23:45,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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 571 [2023-11-29 05:23:45,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:45,633 INFO L225 Difference]: With dead ends: 5701 [2023-11-29 05:23:45,633 INFO L226 Difference]: Without dead ends: 5699 [2023-11-29 05:23:45,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 574 GetRequests, 570 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:23:45,635 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 155 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:45,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 9 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 05:23:45,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5699 states. [2023-11-29 05:23:45,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5699 to 4097. [2023-11-29 05:23:45,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4097 states, 4096 states have (on average 1.095703125) internal successors, (4488), 4096 states have internal predecessors, (4488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:45,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4097 states to 4097 states and 4488 transitions. [2023-11-29 05:23:45,721 INFO L78 Accepts]: Start accepts. Automaton has 4097 states and 4488 transitions. Word has length 571 [2023-11-29 05:23:45,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:45,722 INFO L495 AbstractCegarLoop]: Abstraction has 4097 states and 4488 transitions. [2023-11-29 05:23:45,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:45,722 INFO L276 IsEmpty]: Start isEmpty. Operand 4097 states and 4488 transitions. [2023-11-29 05:23:45,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2023-11-29 05:23:45,730 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:23:45,730 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2023-11-29 05:23:45,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 05:23:45,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 05:23:45,931 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:23:45,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:23:45,932 INFO L85 PathProgramCache]: Analyzing trace with hash -2120236365, now seen corresponding path program 1 times [2023-11-29 05:23:45,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:23:45,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079223885] [2023-11-29 05:23:45,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:45,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:23:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:46,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1208 backedges. 848 proven. 2 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2023-11-29 05:23:46,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:23:46,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079223885] [2023-11-29 05:23:46,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079223885] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:23:46,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363653359] [2023-11-29 05:23:46,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:23:46,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:23:46,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:23:46,483 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:23:46,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 05:23:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:23:46,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:23:46,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:23:46,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1208 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 989 trivial. 0 not checked. [2023-11-29 05:23:46,785 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:23:46,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363653359] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:23:46,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:23:46,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-29 05:23:46,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917052024] [2023-11-29 05:23:46,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:23:46,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:23:46,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:23:46,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:23:46,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:23:46,789 INFO L87 Difference]: Start difference. First operand 4097 states and 4488 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:47,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:23:47,280 INFO L93 Difference]: Finished difference Result 9081 states and 9997 transitions. [2023-11-29 05:23:47,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:23:47,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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 578 [2023-11-29 05:23:47,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:23:47,282 INFO L225 Difference]: With dead ends: 9081 [2023-11-29 05:23:47,282 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 05:23:47,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:23:47,289 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 139 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:23:47,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 46 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 05:23:47,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 05:23:47,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 05:23:47,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:47,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 05:23:47,291 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 578 [2023-11-29 05:23:47,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:23:47,291 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:23:47,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:23:47,291 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 05:23:47,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 05:23:47,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:23:47,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 05:23:47,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 05:23:47,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 05:23:48,037 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed. [2023-11-29 05:23:48,038 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2023-11-29 05:23:48,038 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed. [2023-11-29 05:23:48,038 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed. [2023-11-29 05:23:48,038 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed. [2023-11-29 05:23:48,038 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,038 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,038 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,038 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed. [2023-11-29 05:23:48,039 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed. [2023-11-29 05:23:48,039 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed. [2023-11-29 05:23:48,039 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed. [2023-11-29 05:23:48,039 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed. [2023-11-29 05:23:48,039 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,039 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,039 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,039 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed. [2023-11-29 05:23:48,039 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed. [2023-11-29 05:23:48,039 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed. [2023-11-29 05:23:48,039 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed. [2023-11-29 05:23:48,040 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed. [2023-11-29 05:23:48,040 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed. [2023-11-29 05:23:48,040 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,040 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,040 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,040 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed. [2023-11-29 05:23:48,040 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed. [2023-11-29 05:23:48,040 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed. [2023-11-29 05:23:48,040 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed. [2023-11-29 05:23:48,040 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,040 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,040 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,040 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed. [2023-11-29 05:23:48,040 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed. [2023-11-29 05:23:48,041 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed. [2023-11-29 05:23:48,041 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed. [2023-11-29 05:23:48,041 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed. [2023-11-29 05:23:48,041 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,041 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,041 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,041 INFO L899 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed. [2023-11-29 05:23:48,041 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed. [2023-11-29 05:23:48,041 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed. [2023-11-29 05:23:48,041 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed. [2023-11-29 05:23:48,041 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed. [2023-11-29 05:23:48,041 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,041 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,041 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,041 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed. [2023-11-29 05:23:48,042 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed. [2023-11-29 05:23:48,042 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed. [2023-11-29 05:23:48,042 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed. [2023-11-29 05:23:48,042 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed. [2023-11-29 05:23:48,042 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed. [2023-11-29 05:23:48,042 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,042 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,042 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,042 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed. [2023-11-29 05:23:48,042 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed. [2023-11-29 05:23:48,042 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed. [2023-11-29 05:23:48,042 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed. [2023-11-29 05:23:48,042 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 05:23:48,042 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,042 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,043 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,043 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed. [2023-11-29 05:23:48,043 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed. [2023-11-29 05:23:48,043 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed. [2023-11-29 05:23:48,043 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed. [2023-11-29 05:23:48,043 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed. [2023-11-29 05:23:48,043 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed. [2023-11-29 05:23:48,043 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,043 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,043 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,043 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed. [2023-11-29 05:23:48,043 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed. [2023-11-29 05:23:48,043 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed. [2023-11-29 05:23:48,043 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed. [2023-11-29 05:23:48,043 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed. [2023-11-29 05:23:48,044 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,044 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,044 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,044 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed. [2023-11-29 05:23:48,044 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2023-11-29 05:23:48,044 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed. [2023-11-29 05:23:48,044 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed. [2023-11-29 05:23:48,044 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed. [2023-11-29 05:23:48,044 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed. [2023-11-29 05:23:48,044 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,044 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,044 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,044 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed. [2023-11-29 05:23:48,044 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed. [2023-11-29 05:23:48,045 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed. [2023-11-29 05:23:48,045 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed. [2023-11-29 05:23:48,045 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed. [2023-11-29 05:23:48,045 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,045 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,045 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,045 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed. [2023-11-29 05:23:48,045 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed. [2023-11-29 05:23:48,045 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed. [2023-11-29 05:23:48,045 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed. [2023-11-29 05:23:48,045 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed. [2023-11-29 05:23:48,045 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,046 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,046 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,046 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed. [2023-11-29 05:23:48,046 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed. [2023-11-29 05:23:48,046 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed. [2023-11-29 05:23:48,046 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed. [2023-11-29 05:23:48,046 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed. [2023-11-29 05:23:48,046 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,046 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,047 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,047 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed. [2023-11-29 05:23:48,047 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed. [2023-11-29 05:23:48,047 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed. [2023-11-29 05:23:48,047 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed. [2023-11-29 05:23:48,047 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed. [2023-11-29 05:23:48,047 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,047 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,047 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,047 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed. [2023-11-29 05:23:48,048 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed. [2023-11-29 05:23:48,048 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed. [2023-11-29 05:23:48,048 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed. [2023-11-29 05:23:48,048 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed. [2023-11-29 05:23:48,048 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,048 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,048 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed. [2023-11-29 05:23:48,048 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed. [2023-11-29 05:23:48,049 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed. [2023-11-29 05:23:48,049 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed. [2023-11-29 05:23:48,049 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed. [2023-11-29 05:23:48,049 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed. [2023-11-29 05:23:48,049 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,049 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,049 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed. [2023-11-29 05:23:48,049 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-11-29 05:23:48,049 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed. [2023-11-29 05:23:48,050 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed. [2023-11-29 05:23:48,050 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed. [2023-11-29 05:23:48,050 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,050 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,050 INFO L899 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed. [2023-11-29 05:23:48,050 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed. [2023-11-29 05:23:48,050 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed. [2023-11-29 05:23:48,050 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed. [2023-11-29 05:23:48,050 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed. [2023-11-29 05:23:48,051 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed. [2023-11-29 05:23:48,051 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,051 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,051 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 900) no Hoare annotation was computed. [2023-11-29 05:23:48,051 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed. [2023-11-29 05:23:48,051 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed. [2023-11-29 05:23:48,051 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed. [2023-11-29 05:23:48,051 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed. [2023-11-29 05:23:48,051 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed. [2023-11-29 05:23:48,051 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,052 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,052 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed. [2023-11-29 05:23:48,052 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed. [2023-11-29 05:23:48,052 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 05:23:48,052 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed. [2023-11-29 05:23:48,052 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed. [2023-11-29 05:23:48,052 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,052 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,052 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-11-29 05:23:48,053 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,053 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed. [2023-11-29 05:23:48,053 INFO L895 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse1 (<= ~a21~0 7))) (or (and (<= 7 ~a15~0) .cse0) (and (<= 9 ~a21~0) .cse0) (and (<= ~a15~0 8) .cse1 (<= (+ 49 ~a12~0) 0)) (and (<= ~a12~0 80) .cse0) (and .cse0 .cse1))) [2023-11-29 05:23:48,054 INFO L899 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed. [2023-11-29 05:23:48,054 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed. [2023-11-29 05:23:48,054 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,054 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed. [2023-11-29 05:23:48,054 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed. [2023-11-29 05:23:48,054 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed. [2023-11-29 05:23:48,054 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed. [2023-11-29 05:23:48,055 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,055 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,055 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2023-11-29 05:23:48,055 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed. [2023-11-29 05:23:48,058 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:23:48,061 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:23:48,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:23:48 BoogieIcfgContainer [2023-11-29 05:23:48,073 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:23:48,073 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:23:48,073 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:23:48,074 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:23:48,074 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:23:29" (3/4) ... [2023-11-29 05:23:48,076 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:23:48,097 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-29 05:23:48,099 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 05:23:48,101 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 05:23:48,103 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:23:48,271 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:23:48,272 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:23:48,272 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:23:48,273 INFO L158 Benchmark]: Toolchain (without parser) took 20488.22ms. Allocated memory was 163.6MB in the beginning and 377.5MB in the end (delta: 213.9MB). Free memory was 125.6MB in the beginning and 289.0MB in the end (delta: -163.4MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2023-11-29 05:23:48,273 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:23:48,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.20ms. Allocated memory is still 163.6MB. Free memory was 125.6MB in the beginning and 92.5MB in the end (delta: 33.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-29 05:23:48,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.49ms. Allocated memory is still 163.6MB. Free memory was 92.0MB in the beginning and 126.5MB in the end (delta: -34.4MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-29 05:23:48,274 INFO L158 Benchmark]: Boogie Preprocessor took 107.76ms. Allocated memory is still 163.6MB. Free memory was 126.5MB in the beginning and 113.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 05:23:48,275 INFO L158 Benchmark]: RCFGBuilder took 1245.94ms. Allocated memory is still 163.6MB. Free memory was 113.5MB in the beginning and 66.1MB in the end (delta: 47.4MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2023-11-29 05:23:48,275 INFO L158 Benchmark]: TraceAbstraction took 18292.32ms. Allocated memory was 163.6MB in the beginning and 377.5MB in the end (delta: 213.9MB). Free memory was 65.1MB in the beginning and 303.7MB in the end (delta: -238.6MB). Peak memory consumption was 167.4MB. Max. memory is 16.1GB. [2023-11-29 05:23:48,275 INFO L158 Benchmark]: Witness Printer took 198.82ms. Allocated memory is still 377.5MB. Free memory was 303.7MB in the beginning and 289.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 05:23:48,277 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.20ms. Allocated memory is still 163.6MB. Free memory was 125.6MB in the beginning and 92.5MB in the end (delta: 33.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.49ms. Allocated memory is still 163.6MB. Free memory was 92.0MB in the beginning and 126.5MB in the end (delta: -34.4MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.76ms. Allocated memory is still 163.6MB. Free memory was 126.5MB in the beginning and 113.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1245.94ms. Allocated memory is still 163.6MB. Free memory was 113.5MB in the beginning and 66.1MB in the end (delta: 47.4MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. * TraceAbstraction took 18292.32ms. Allocated memory was 163.6MB in the beginning and 377.5MB in the end (delta: 213.9MB). Free memory was 65.1MB in the beginning and 303.7MB in the end (delta: -238.6MB). Peak memory consumption was 167.4MB. Max. memory is 16.1GB. * Witness Printer took 198.82ms. Allocated memory is still 377.5MB. Free memory was 303.7MB in the beginning and 289.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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: 152]: 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, 183 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.2s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1824 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1824 mSDsluCounter, 1405 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 916 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6809 IncrementalHoareTripleChecker+Invalid, 7725 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 916 mSolverCounterUnsat, 1342 mSDtfsCounter, 6809 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2044 GetRequests, 2015 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4097occurred in iteration=12, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 3204 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 32 NumberOfFragments, 41 HoareAnnotationTreeSize, 1 FomulaSimplifications, 441 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 1 FomulaSimplificationsInter, 894 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 6569 NumberOfCodeBlocks, 6569 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 6551 ConstructedInterpolants, 0 QuantifiedInterpolants, 22334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2568 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 10272/10608 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: 890]: Loop Invariant Derived loop invariant: ((((((7 <= a15) && (a24 == 1)) || ((9 <= a21) && (a24 == 1))) || (((a15 <= 8) && (a21 <= 7)) && ((49 + a12) <= 0))) || ((a12 <= 80) && (a24 == 1))) || ((a24 == 1) && (a21 <= 7))) RESULT: Ultimate proved your program to be correct! [2023-11-29 05:23:48,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1b9c861-6684-403f-84ff-dc092cd2bdaf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE