./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label43.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label43.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd --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 b76d5bd3a937dd443771d4fd333665d0cd3fbe44dd72d1f97738d181d0765bea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:18:41,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:18:42,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:18:42,050 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:18:42,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:18:42,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:18:42,083 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:18:42,083 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:18:42,084 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:18:42,084 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:18:42,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:18:42,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:18:42,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:18:42,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:18:42,085 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:18:42,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:18:42,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:18:42,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:18:42,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:18:42,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:18:42,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:18:42,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:18:42,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:18:42,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:18:42,086 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:18:42,086 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:18:42,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:18:42,087 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:18:42,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:18:42,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:18:42,087 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:18:42,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:18:42,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:18:42,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:18:42,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:18:42,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:18:42,088 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:18:42,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:18:42,088 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:18:42,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:18:42,089 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:18:42,089 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:18:42,089 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd 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 -> b76d5bd3a937dd443771d4fd333665d0cd3fbe44dd72d1f97738d181d0765bea [2024-11-13 14:18:42,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:18:42,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:18:42,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:18:42,560 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:18:42,561 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:18:42,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/eca-rers2012/Problem17_label43.c Unable to find full path for "g++" [2024-11-13 14:18:45,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:18:45,775 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:18:45,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/sv-benchmarks/c/eca-rers2012/Problem17_label43.c [2024-11-13 14:18:45,811 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/data/537cb535c/79d82e2a62354efcbe7392bd4f2920a9/FLAG47ad6047d [2024-11-13 14:18:45,837 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/data/537cb535c/79d82e2a62354efcbe7392bd4f2920a9 [2024-11-13 14:18:45,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:18:45,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:18:45,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:18:45,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:18:45,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:18:45,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:18:45" (1/1) ... [2024-11-13 14:18:45,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24aec10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:45, skipping insertion in model container [2024-11-13 14:18:45,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:18:45" (1/1) ... [2024-11-13 14:18:45,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:18:46,312 WARN L250 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_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/sv-benchmarks/c/eca-rers2012/Problem17_label43.c[9211,9224] [2024-11-13 14:18:47,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:18:47,221 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:18:47,268 WARN L250 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_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/sv-benchmarks/c/eca-rers2012/Problem17_label43.c[9211,9224] [2024-11-13 14:18:47,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:18:47,714 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:18:47,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:47 WrapperNode [2024-11-13 14:18:47,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:18:47,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:18:47,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:18:47,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:18:47,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:47" (1/1) ... [2024-11-13 14:18:47,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:47" (1/1) ... [2024-11-13 14:18:48,246 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2612 [2024-11-13 14:18:48,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:18:48,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:18:48,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:18:48,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:18:48,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:47" (1/1) ... [2024-11-13 14:18:48,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:47" (1/1) ... [2024-11-13 14:18:48,343 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:47" (1/1) ... [2024-11-13 14:18:48,596 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]. [2024-11-13 14:18:48,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:47" (1/1) ... [2024-11-13 14:18:48,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:47" (1/1) ... [2024-11-13 14:18:48,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:47" (1/1) ... [2024-11-13 14:18:48,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:47" (1/1) ... [2024-11-13 14:18:48,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:47" (1/1) ... [2024-11-13 14:18:48,872 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:47" (1/1) ... [2024-11-13 14:18:48,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:18:48,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:18:48,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:18:48,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:18:48,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:47" (1/1) ... [2024-11-13 14:18:48,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:18:48,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:18:48,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:18:49,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:18:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:18:49,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:18:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:18:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:18:49,174 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:18:49,177 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:18:55,697 INFO L? ?]: Removed 372 outVars from TransFormulas that were not future-live. [2024-11-13 14:18:55,697 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:18:55,742 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:18:55,747 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:18:55,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:18:55 BoogieIcfgContainer [2024-11-13 14:18:55,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:18:55,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:18:55,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:18:55,763 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:18:55,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:18:45" (1/3) ... [2024-11-13 14:18:55,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8f3ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:18:55, skipping insertion in model container [2024-11-13 14:18:55,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:47" (2/3) ... [2024-11-13 14:18:55,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8f3ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:18:55, skipping insertion in model container [2024-11-13 14:18:55,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:18:55" (3/3) ... [2024-11-13 14:18:55,768 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label43.c [2024-11-13 14:18:55,790 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:18:55,795 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem17_label43.c that has 1 procedures, 590 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:18:55,915 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:18:55,937 INFO L333 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, 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;@decdda8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:18:55,937 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:18:55,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 590 states, 588 states have (on average 1.8061224489795917) internal successors, (1062), 589 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:18:55,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 14:18:55,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:55,960 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:18:55,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:55,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:55,965 INFO L85 PathProgramCache]: Analyzing trace with hash -861034902, now seen corresponding path program 1 times [2024-11-13 14:18:55,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:55,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555532269] [2024-11-13 14:18:55,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:55,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:56,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:18:56,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:56,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555532269] [2024-11-13 14:18:56,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555532269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:56,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:56,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:18:56,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036413399] [2024-11-13 14:18:56,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:56,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:56,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:56,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:56,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:56,642 INFO L87 Difference]: Start difference. First operand has 590 states, 588 states have (on average 1.8061224489795917) internal successors, (1062), 589 states have internal predecessors, (1062), 0 states have call successors, (0), 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 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:01,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:01,279 INFO L93 Difference]: Finished difference Result 1642 states and 3024 transitions. [2024-11-13 14:19:01,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:01,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2024-11-13 14:19:01,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:01,308 INFO L225 Difference]: With dead ends: 1642 [2024-11-13 14:19:01,309 INFO L226 Difference]: Without dead ends: 975 [2024-11-13 14:19:01,315 INFO L431 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 [2024-11-13 14:19:01,319 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 428 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 1785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:01,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 550 Invalid, 1785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [372 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-13 14:19:01,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2024-11-13 14:19:01,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 972. [2024-11-13 14:19:01,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 971 states have (on average 1.5077239958805355) internal successors, (1464), 971 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:01,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1464 transitions. [2024-11-13 14:19:01,439 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1464 transitions. Word has length 62 [2024-11-13 14:19:01,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:01,440 INFO L471 AbstractCegarLoop]: Abstraction has 972 states and 1464 transitions. [2024-11-13 14:19:01,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:01,441 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1464 transitions. [2024-11-13 14:19:01,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-13 14:19:01,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:01,451 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:01,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:19:01,452 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:01,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:01,452 INFO L85 PathProgramCache]: Analyzing trace with hash -507932714, now seen corresponding path program 1 times [2024-11-13 14:19:01,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:01,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818277389] [2024-11-13 14:19:01,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:01,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:02,102 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:02,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:02,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818277389] [2024-11-13 14:19:02,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818277389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:02,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:02,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:19:02,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955597605] [2024-11-13 14:19:02,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:02,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:02,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:02,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:02,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:02,108 INFO L87 Difference]: Start difference. First operand 972 states and 1464 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:06,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:06,020 INFO L93 Difference]: Finished difference Result 2814 states and 4242 transitions. [2024-11-13 14:19:06,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:06,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2024-11-13 14:19:06,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:06,032 INFO L225 Difference]: With dead ends: 2814 [2024-11-13 14:19:06,032 INFO L226 Difference]: Without dead ends: 1844 [2024-11-13 14:19:06,038 INFO L431 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 [2024-11-13 14:19:06,039 INFO L432 NwaCegarLoop]: 853 mSDtfsCounter, 429 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 1697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:06,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 921 Invalid, 1697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-13 14:19:06,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2024-11-13 14:19:06,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1842. [2024-11-13 14:19:06,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1841 states have (on average 1.3601303639326452) internal successors, (2504), 1841 states have internal predecessors, (2504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:06,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2504 transitions. [2024-11-13 14:19:06,131 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2504 transitions. Word has length 132 [2024-11-13 14:19:06,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:06,135 INFO L471 AbstractCegarLoop]: Abstraction has 1842 states and 2504 transitions. [2024-11-13 14:19:06,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:06,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2504 transitions. [2024-11-13 14:19:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-13 14:19:06,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:06,149 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:19:06,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:19:06,149 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:06,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:06,150 INFO L85 PathProgramCache]: Analyzing trace with hash 2100128025, now seen corresponding path program 1 times [2024-11-13 14:19:06,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:06,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457106532] [2024-11-13 14:19:06,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:06,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:06,547 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:06,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:06,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457106532] [2024-11-13 14:19:06,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457106532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:06,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:06,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:06,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309890747] [2024-11-13 14:19:06,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:06,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:06,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:06,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:06,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:06,551 INFO L87 Difference]: Start difference. First operand 1842 states and 2504 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) [2024-11-13 14:19:10,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:10,348 INFO L93 Difference]: Finished difference Result 4559 states and 6339 transitions. [2024-11-13 14:19:10,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:10,350 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 154 [2024-11-13 14:19:10,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:10,363 INFO L225 Difference]: With dead ends: 4559 [2024-11-13 14:19:10,363 INFO L226 Difference]: Without dead ends: 2719 [2024-11-13 14:19:10,366 INFO L431 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 [2024-11-13 14:19:10,368 INFO L432 NwaCegarLoop]: 385 mSDtfsCounter, 382 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1403 mSolverCounterSat, 283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 283 IncrementalHoareTripleChecker+Valid, 1403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:10,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 460 Invalid, 1686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [283 Valid, 1403 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-13 14:19:10,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2719 states. [2024-11-13 14:19:10,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2719 to 2711. [2024-11-13 14:19:10,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2711 states, 2710 states have (on average 1.3007380073800738) internal successors, (3525), 2710 states have internal predecessors, (3525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:10,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2711 states to 2711 states and 3525 transitions. [2024-11-13 14:19:10,528 INFO L78 Accepts]: Start accepts. Automaton has 2711 states and 3525 transitions. Word has length 154 [2024-11-13 14:19:10,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:10,530 INFO L471 AbstractCegarLoop]: Abstraction has 2711 states and 3525 transitions. [2024-11-13 14:19:10,531 INFO L472 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) [2024-11-13 14:19:10,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 3525 transitions. [2024-11-13 14:19:10,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-13 14:19:10,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:10,539 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:10,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:19:10,539 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:10,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:10,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1605727653, now seen corresponding path program 1 times [2024-11-13 14:19:10,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:10,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679646845] [2024-11-13 14:19:10,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:10,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:11,473 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:11,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:11,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679646845] [2024-11-13 14:19:11,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679646845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:11,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:11,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:11,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709131100] [2024-11-13 14:19:11,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:11,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:11,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:11,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:11,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:11,480 INFO L87 Difference]: Start difference. First operand 2711 states and 3525 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:14,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:14,958 INFO L93 Difference]: Finished difference Result 6280 states and 8056 transitions. [2024-11-13 14:19:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:14,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 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 167 [2024-11-13 14:19:14,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:14,978 INFO L225 Difference]: With dead ends: 6280 [2024-11-13 14:19:14,978 INFO L226 Difference]: Without dead ends: 3571 [2024-11-13 14:19:14,982 INFO L431 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 [2024-11-13 14:19:14,984 INFO L432 NwaCegarLoop]: 508 mSDtfsCounter, 333 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 1485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:14,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 565 Invalid, 1485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1426 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-13 14:19:14,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3571 states. [2024-11-13 14:19:15,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3571 to 3565. [2024-11-13 14:19:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3565 states, 3564 states have (on average 1.2514029180695847) internal successors, (4460), 3564 states have internal predecessors, (4460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3565 states and 4460 transitions. [2024-11-13 14:19:15,090 INFO L78 Accepts]: Start accepts. Automaton has 3565 states and 4460 transitions. Word has length 167 [2024-11-13 14:19:15,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:15,090 INFO L471 AbstractCegarLoop]: Abstraction has 3565 states and 4460 transitions. [2024-11-13 14:19:15,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:15,091 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 4460 transitions. [2024-11-13 14:19:15,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-13 14:19:15,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:15,097 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:15,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:19:15,098 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:15,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:15,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1061731380, now seen corresponding path program 1 times [2024-11-13 14:19:15,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:15,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017225302] [2024-11-13 14:19:15,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:15,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:15,390 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:15,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:15,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017225302] [2024-11-13 14:19:15,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017225302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:15,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:15,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:19:15,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122352939] [2024-11-13 14:19:15,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:15,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:15,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:15,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:15,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:15,399 INFO L87 Difference]: Start difference. First operand 3565 states and 4460 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:18,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:18,508 INFO L93 Difference]: Finished difference Result 10542 states and 13163 transitions. [2024-11-13 14:19:18,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:18,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2024-11-13 14:19:18,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:18,530 INFO L225 Difference]: With dead ends: 10542 [2024-11-13 14:19:18,530 INFO L226 Difference]: Without dead ends: 6125 [2024-11-13 14:19:18,536 INFO L431 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 [2024-11-13 14:19:18,538 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 347 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 548 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 548 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:18,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 591 Invalid, 1629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [548 Valid, 1081 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-13 14:19:18,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6125 states. [2024-11-13 14:19:18,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6125 to 4418. [2024-11-13 14:19:18,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4418 states, 4417 states have (on average 1.1557618292959022) internal successors, (5105), 4417 states have internal predecessors, (5105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:18,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4418 states to 4418 states and 5105 transitions. [2024-11-13 14:19:18,669 INFO L78 Accepts]: Start accepts. Automaton has 4418 states and 5105 transitions. Word has length 173 [2024-11-13 14:19:18,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:18,669 INFO L471 AbstractCegarLoop]: Abstraction has 4418 states and 5105 transitions. [2024-11-13 14:19:18,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:18,670 INFO L276 IsEmpty]: Start isEmpty. Operand 4418 states and 5105 transitions. [2024-11-13 14:19:18,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-13 14:19:18,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:18,674 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-13 14:19:18,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:19:18,674 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:18,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:18,675 INFO L85 PathProgramCache]: Analyzing trace with hash 447391181, now seen corresponding path program 1 times [2024-11-13 14:19:18,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:18,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9626451] [2024-11-13 14:19:18,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:18,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:18,991 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:18,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:18,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9626451] [2024-11-13 14:19:18,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9626451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:18,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:18,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:19:18,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395835107] [2024-11-13 14:19:18,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:18,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:18,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:18,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:18,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:18,994 INFO L87 Difference]: Start difference. First operand 4418 states and 5105 transitions. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:22,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:22,041 INFO L93 Difference]: Finished difference Result 11392 states and 13362 transitions. [2024-11-13 14:19:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:22,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 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 214 [2024-11-13 14:19:22,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:22,068 INFO L225 Difference]: With dead ends: 11392 [2024-11-13 14:19:22,068 INFO L226 Difference]: Without dead ends: 6976 [2024-11-13 14:19:22,074 INFO L431 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 [2024-11-13 14:19:22,076 INFO L432 NwaCegarLoop]: 725 mSDtfsCounter, 496 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:22,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 783 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 1136 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-13 14:19:22,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6976 states. [2024-11-13 14:19:22,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6976 to 6976. [2024-11-13 14:19:22,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6976 states, 6975 states have (on average 1.1407885304659497) internal successors, (7957), 6975 states have internal predecessors, (7957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:22,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6976 states to 6976 states and 7957 transitions. [2024-11-13 14:19:22,248 INFO L78 Accepts]: Start accepts. Automaton has 6976 states and 7957 transitions. Word has length 214 [2024-11-13 14:19:22,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:22,249 INFO L471 AbstractCegarLoop]: Abstraction has 6976 states and 7957 transitions. [2024-11-13 14:19:22,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:22,249 INFO L276 IsEmpty]: Start isEmpty. Operand 6976 states and 7957 transitions. [2024-11-13 14:19:22,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-13 14:19:22,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:22,257 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-13 14:19:22,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:19:22,258 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:22,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:22,258 INFO L85 PathProgramCache]: Analyzing trace with hash 231385832, now seen corresponding path program 1 times [2024-11-13 14:19:22,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:22,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544388757] [2024-11-13 14:19:22,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:22,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:22,485 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-13 14:19:22,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:22,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544388757] [2024-11-13 14:19:22,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544388757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:22,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:22,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:19:22,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148251779] [2024-11-13 14:19:22,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:22,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:22,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:22,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:22,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:22,492 INFO L87 Difference]: Start difference. First operand 6976 states and 7957 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:25,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:25,374 INFO L93 Difference]: Finished difference Result 16920 states and 19482 transitions. [2024-11-13 14:19:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:25,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 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 216 [2024-11-13 14:19:25,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:25,408 INFO L225 Difference]: With dead ends: 16920 [2024-11-13 14:19:25,408 INFO L226 Difference]: Without dead ends: 9945 [2024-11-13 14:19:25,414 INFO L431 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 [2024-11-13 14:19:25,416 INFO L432 NwaCegarLoop]: 382 mSDtfsCounter, 389 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 1489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:25,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 444 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-13 14:19:25,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9945 states. [2024-11-13 14:19:25,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9945 to 6949. [2024-11-13 14:19:25,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6949 states, 6948 states have (on average 1.1393206678180772) internal successors, (7916), 6948 states have internal predecessors, (7916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:25,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6949 states to 6949 states and 7916 transitions. [2024-11-13 14:19:25,693 INFO L78 Accepts]: Start accepts. Automaton has 6949 states and 7916 transitions. Word has length 216 [2024-11-13 14:19:25,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:25,694 INFO L471 AbstractCegarLoop]: Abstraction has 6949 states and 7916 transitions. [2024-11-13 14:19:25,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:25,695 INFO L276 IsEmpty]: Start isEmpty. Operand 6949 states and 7916 transitions. [2024-11-13 14:19:25,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-11-13 14:19:25,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:25,701 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:25,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:19:25,701 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:25,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:25,703 INFO L85 PathProgramCache]: Analyzing trace with hash -607828722, now seen corresponding path program 1 times [2024-11-13 14:19:25,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:25,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398257069] [2024-11-13 14:19:25,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:25,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:26,117 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 14:19:26,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:26,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398257069] [2024-11-13 14:19:26,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398257069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:26,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:26,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:19:26,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015634515] [2024-11-13 14:19:26,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:26,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:26,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:26,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:26,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:26,120 INFO L87 Difference]: Start difference. First operand 6949 states and 7916 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:29,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:29,087 INFO L93 Difference]: Finished difference Result 15606 states and 17774 transitions. [2024-11-13 14:19:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:29,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 282 [2024-11-13 14:19:29,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:29,104 INFO L225 Difference]: With dead ends: 15606 [2024-11-13 14:19:29,104 INFO L226 Difference]: Without dead ends: 8659 [2024-11-13 14:19:29,109 INFO L431 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 [2024-11-13 14:19:29,110 INFO L432 NwaCegarLoop]: 833 mSDtfsCounter, 374 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 1409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:29,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 894 Invalid, 1409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-13 14:19:29,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8659 states. [2024-11-13 14:19:29,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8659 to 8226. [2024-11-13 14:19:29,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8226 states, 8225 states have (on average 1.132644376899696) internal successors, (9316), 8225 states have internal predecessors, (9316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:29,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8226 states to 8226 states and 9316 transitions. [2024-11-13 14:19:29,246 INFO L78 Accepts]: Start accepts. Automaton has 8226 states and 9316 transitions. Word has length 282 [2024-11-13 14:19:29,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:29,247 INFO L471 AbstractCegarLoop]: Abstraction has 8226 states and 9316 transitions. [2024-11-13 14:19:29,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:29,248 INFO L276 IsEmpty]: Start isEmpty. Operand 8226 states and 9316 transitions. [2024-11-13 14:19:29,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-13 14:19:29,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:29,254 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:29,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:19:29,255 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:29,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:29,255 INFO L85 PathProgramCache]: Analyzing trace with hash 831960651, now seen corresponding path program 1 times [2024-11-13 14:19:29,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:29,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058497414] [2024-11-13 14:19:29,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:29,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:29,759 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-11-13 14:19:29,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:29,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058497414] [2024-11-13 14:19:29,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058497414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:29,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:29,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:19:29,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773780935] [2024-11-13 14:19:29,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:29,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:29,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:29,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:29,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:29,764 INFO L87 Difference]: Start difference. First operand 8226 states and 9316 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:32,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:32,918 INFO L93 Difference]: Finished difference Result 18993 states and 21746 transitions. [2024-11-13 14:19:32,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:32,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 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 294 [2024-11-13 14:19:32,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:32,947 INFO L225 Difference]: With dead ends: 18993 [2024-11-13 14:19:32,947 INFO L226 Difference]: Without dead ends: 10344 [2024-11-13 14:19:32,956 INFO L431 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 [2024-11-13 14:19:32,957 INFO L432 NwaCegarLoop]: 778 mSDtfsCounter, 383 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:32,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 847 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-13 14:19:32,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10344 states. [2024-11-13 14:19:33,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10344 to 10344. [2024-11-13 14:19:33,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10344 states, 10343 states have (on average 1.1042250797640916) internal successors, (11421), 10343 states have internal predecessors, (11421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:33,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10344 states to 10344 states and 11421 transitions. [2024-11-13 14:19:33,109 INFO L78 Accepts]: Start accepts. Automaton has 10344 states and 11421 transitions. Word has length 294 [2024-11-13 14:19:33,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:33,110 INFO L471 AbstractCegarLoop]: Abstraction has 10344 states and 11421 transitions. [2024-11-13 14:19:33,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:33,110 INFO L276 IsEmpty]: Start isEmpty. Operand 10344 states and 11421 transitions. [2024-11-13 14:19:33,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-11-13 14:19:33,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:33,119 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:33,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 14:19:33,119 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:33,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:33,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1062072274, now seen corresponding path program 1 times [2024-11-13 14:19:33,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:33,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556957286] [2024-11-13 14:19:33,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:33,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:33,412 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-13 14:19:33,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:33,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556957286] [2024-11-13 14:19:33,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556957286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:33,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:33,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:19:33,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756551320] [2024-11-13 14:19:33,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:33,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:33,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:33,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:33,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:33,415 INFO L87 Difference]: Start difference. First operand 10344 states and 11421 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:36,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:36,497 INFO L93 Difference]: Finished difference Result 24095 states and 26821 transitions. [2024-11-13 14:19:36,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:36,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 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 334 [2024-11-13 14:19:36,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:36,530 INFO L225 Difference]: With dead ends: 24095 [2024-11-13 14:19:36,530 INFO L226 Difference]: Without dead ends: 12876 [2024-11-13 14:19:36,539 INFO L431 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 [2024-11-13 14:19:36,540 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 483 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 1531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 348 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:36,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 639 Invalid, 1531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [348 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-13 14:19:36,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12876 states. [2024-11-13 14:19:36,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12876 to 12446. [2024-11-13 14:19:36,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12446 states, 12445 states have (on average 1.1030132583366814) internal successors, (13727), 12445 states have internal predecessors, (13727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:36,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12446 states to 12446 states and 13727 transitions. [2024-11-13 14:19:36,716 INFO L78 Accepts]: Start accepts. Automaton has 12446 states and 13727 transitions. Word has length 334 [2024-11-13 14:19:36,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:36,717 INFO L471 AbstractCegarLoop]: Abstraction has 12446 states and 13727 transitions. [2024-11-13 14:19:36,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:36,717 INFO L276 IsEmpty]: Start isEmpty. Operand 12446 states and 13727 transitions. [2024-11-13 14:19:36,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-11-13 14:19:36,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:36,729 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:36,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 14:19:36,730 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:36,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:36,734 INFO L85 PathProgramCache]: Analyzing trace with hash -41206241, now seen corresponding path program 1 times [2024-11-13 14:19:36,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:36,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314912391] [2024-11-13 14:19:36,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:36,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:37,353 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:37,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:37,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314912391] [2024-11-13 14:19:37,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314912391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:37,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:37,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:19:37,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536672198] [2024-11-13 14:19:37,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:37,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:19:37,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:37,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:19:37,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:19:37,359 INFO L87 Difference]: Start difference. First operand 12446 states and 13727 transitions. Second operand has 4 states, 4 states have (on average 100.25) internal successors, (401), 3 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:40,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:40,803 INFO L93 Difference]: Finished difference Result 31292 states and 34504 transitions. [2024-11-13 14:19:40,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:19:40,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 100.25) internal successors, (401), 3 states have internal predecessors, (401), 0 states have call successors, (0), 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 401 [2024-11-13 14:19:40,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:40,835 INFO L225 Difference]: With dead ends: 31292 [2024-11-13 14:19:40,836 INFO L226 Difference]: Without dead ends: 18423 [2024-11-13 14:19:40,847 INFO L431 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 [2024-11-13 14:19:40,847 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 589 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 2242 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 2499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 2242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:40,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 170 Invalid, 2499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 2242 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-13 14:19:40,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18423 states. [2024-11-13 14:19:41,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18423 to 18420. [2024-11-13 14:19:41,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18420 states, 18419 states have (on average 1.1044573538194256) internal successors, (20343), 18419 states have internal predecessors, (20343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:41,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18420 states to 18420 states and 20343 transitions. [2024-11-13 14:19:41,103 INFO L78 Accepts]: Start accepts. Automaton has 18420 states and 20343 transitions. Word has length 401 [2024-11-13 14:19:41,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:41,104 INFO L471 AbstractCegarLoop]: Abstraction has 18420 states and 20343 transitions. [2024-11-13 14:19:41,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.25) internal successors, (401), 3 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:41,104 INFO L276 IsEmpty]: Start isEmpty. Operand 18420 states and 20343 transitions. [2024-11-13 14:19:41,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-11-13 14:19:41,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:41,115 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:41,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 14:19:41,116 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:41,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:41,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1555129625, now seen corresponding path program 1 times [2024-11-13 14:19:41,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:41,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454532302] [2024-11-13 14:19:41,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:41,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:41,649 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-13 14:19:41,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:41,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454532302] [2024-11-13 14:19:41,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454532302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:41,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:41,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:19:41,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62254442] [2024-11-13 14:19:41,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:41,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:41,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:41,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:41,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:41,656 INFO L87 Difference]: Start difference. First operand 18420 states and 20343 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:44,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:44,460 INFO L93 Difference]: Finished difference Result 45795 states and 50615 transitions. [2024-11-13 14:19:44,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:44,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 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 405 [2024-11-13 14:19:44,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:44,508 INFO L225 Difference]: With dead ends: 45795 [2024-11-13 14:19:44,508 INFO L226 Difference]: Without dead ends: 27377 [2024-11-13 14:19:44,527 INFO L431 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 [2024-11-13 14:19:44,529 INFO L432 NwaCegarLoop]: 723 mSDtfsCounter, 401 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:44,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 774 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 1324 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-13 14:19:44,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27377 states. [2024-11-13 14:19:44,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27377 to 26081. [2024-11-13 14:19:44,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26081 states, 26080 states have (on average 1.1000383435582821) internal successors, (28689), 26080 states have internal predecessors, (28689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:44,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26081 states to 26081 states and 28689 transitions. [2024-11-13 14:19:44,945 INFO L78 Accepts]: Start accepts. Automaton has 26081 states and 28689 transitions. Word has length 405 [2024-11-13 14:19:44,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:44,947 INFO L471 AbstractCegarLoop]: Abstraction has 26081 states and 28689 transitions. [2024-11-13 14:19:44,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:44,947 INFO L276 IsEmpty]: Start isEmpty. Operand 26081 states and 28689 transitions. [2024-11-13 14:19:44,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2024-11-13 14:19:44,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:44,988 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:44,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 14:19:44,988 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:44,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:44,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1709101249, now seen corresponding path program 1 times [2024-11-13 14:19:44,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:44,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791118313] [2024-11-13 14:19:44,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:44,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-13 14:19:45,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:45,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791118313] [2024-11-13 14:19:45,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791118313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:45,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:45,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:19:45,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843349800] [2024-11-13 14:19:45,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:45,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:45,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:45,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:45,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:45,700 INFO L87 Difference]: Start difference. First operand 26081 states and 28689 transitions. Second operand has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 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) [2024-11-13 14:19:48,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:48,548 INFO L93 Difference]: Finished difference Result 62805 states and 69265 transitions. [2024-11-13 14:19:48,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:48,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 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) Word has length 685 [2024-11-13 14:19:48,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:48,595 INFO L225 Difference]: With dead ends: 62805 [2024-11-13 14:19:48,595 INFO L226 Difference]: Without dead ends: 36726 [2024-11-13 14:19:48,622 INFO L431 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 [2024-11-13 14:19:48,623 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 484 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:48,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 246 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 1226 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-13 14:19:48,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36726 states. [2024-11-13 14:19:49,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36726 to 36712. [2024-11-13 14:19:49,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36712 states, 36711 states have (on average 1.097872572253548) internal successors, (40304), 36711 states have internal predecessors, (40304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:49,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36712 states to 36712 states and 40304 transitions. [2024-11-13 14:19:49,472 INFO L78 Accepts]: Start accepts. Automaton has 36712 states and 40304 transitions. Word has length 685 [2024-11-13 14:19:49,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:49,473 INFO L471 AbstractCegarLoop]: Abstraction has 36712 states and 40304 transitions. [2024-11-13 14:19:49,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 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) [2024-11-13 14:19:49,474 INFO L276 IsEmpty]: Start isEmpty. Operand 36712 states and 40304 transitions. [2024-11-13 14:19:49,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 798 [2024-11-13 14:19:49,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:49,526 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:49,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:19:49,526 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:49,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:49,528 INFO L85 PathProgramCache]: Analyzing trace with hash 2030526862, now seen corresponding path program 1 times [2024-11-13 14:19:49,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:49,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304669485] [2024-11-13 14:19:49,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:49,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:50,122 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 580 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-11-13 14:19:50,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:50,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304669485] [2024-11-13 14:19:50,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304669485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:50,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:50,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:19:50,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312237438] [2024-11-13 14:19:50,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:50,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:50,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:50,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:50,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:50,127 INFO L87 Difference]: Start difference. First operand 36712 states and 40304 transitions. Second operand has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:53,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:53,137 INFO L93 Difference]: Finished difference Result 80228 states and 88453 transitions. [2024-11-13 14:19:53,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:53,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 0 states have call successors, (0), 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 797 [2024-11-13 14:19:53,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:53,186 INFO L225 Difference]: With dead ends: 80228 [2024-11-13 14:19:53,186 INFO L226 Difference]: Without dead ends: 43518 [2024-11-13 14:19:53,214 INFO L431 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 [2024-11-13 14:19:53,215 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 483 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:53,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 701 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-13 14:19:53,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43518 states. [2024-11-13 14:19:53,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43518 to 43514. [2024-11-13 14:19:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43514 states, 43513 states have (on average 1.096476914944959) internal successors, (47711), 43513 states have internal predecessors, (47711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:54,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43514 states to 43514 states and 47711 transitions. [2024-11-13 14:19:54,312 INFO L78 Accepts]: Start accepts. Automaton has 43514 states and 47711 transitions. Word has length 797 [2024-11-13 14:19:54,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:54,312 INFO L471 AbstractCegarLoop]: Abstraction has 43514 states and 47711 transitions. [2024-11-13 14:19:54,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:54,313 INFO L276 IsEmpty]: Start isEmpty. Operand 43514 states and 47711 transitions. [2024-11-13 14:19:54,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2024-11-13 14:19:54,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:54,360 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:19:54,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 14:19:54,360 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:54,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:54,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1119810575, now seen corresponding path program 1 times [2024-11-13 14:19:54,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:54,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373226315] [2024-11-13 14:19:54,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:54,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:56,812 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 516 proven. 61 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-13 14:19:56,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:56,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373226315] [2024-11-13 14:19:56,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373226315] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:19:56,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860795816] [2024-11-13 14:19:56,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:56,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:19:56,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:56,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:19:56,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:19:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:57,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:19:57,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:19:58,452 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 516 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-11-13 14:19:58,452 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:19:58,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860795816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:58,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:19:58,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-13 14:19:58,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918899400] [2024-11-13 14:19:58,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:58,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:19:58,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:58,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:58,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:19:58,457 INFO L87 Difference]: Start difference. First operand 43514 states and 47711 transitions. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:00,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:00,804 INFO L93 Difference]: Finished difference Result 87024 states and 95418 transitions. [2024-11-13 14:20:00,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:20:00,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 840 [2024-11-13 14:20:00,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:00,850 INFO L225 Difference]: With dead ends: 87024 [2024-11-13 14:20:00,850 INFO L226 Difference]: Without dead ends: 43512 [2024-11-13 14:20:00,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 846 GetRequests, 840 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:20:00,868 INFO L432 NwaCegarLoop]: 636 mSDtfsCounter, 116 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 1264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:00,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 693 Invalid, 1264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 14:20:00,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43512 states. [2024-11-13 14:20:01,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43512 to 43087. [2024-11-13 14:20:01,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43087 states, 43086 states have (on average 1.0757090470222346) internal successors, (46348), 43086 states have internal predecessors, (46348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:01,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43087 states to 43087 states and 46348 transitions. [2024-11-13 14:20:01,603 INFO L78 Accepts]: Start accepts. Automaton has 43087 states and 46348 transitions. Word has length 840 [2024-11-13 14:20:01,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:01,604 INFO L471 AbstractCegarLoop]: Abstraction has 43087 states and 46348 transitions. [2024-11-13 14:20:01,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:01,605 INFO L276 IsEmpty]: Start isEmpty. Operand 43087 states and 46348 transitions. [2024-11-13 14:20:01,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 844 [2024-11-13 14:20:01,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:01,645 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:01,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:20:01,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:20:01,846 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:01,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:01,846 INFO L85 PathProgramCache]: Analyzing trace with hash -771642877, now seen corresponding path program 1 times [2024-11-13 14:20:01,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:01,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956861106] [2024-11-13 14:20:01,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:01,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:02,486 INFO L134 CoverageAnalysis]: Checked inductivity of 935 backedges. 606 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2024-11-13 14:20:02,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:02,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956861106] [2024-11-13 14:20:02,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956861106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:20:02,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:20:02,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:20:02,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201377738] [2024-11-13 14:20:02,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:02,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:20:02,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:02,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:20:02,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:20:02,490 INFO L87 Difference]: Start difference. First operand 43087 states and 46348 transitions. Second operand has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:05,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:05,643 INFO L93 Difference]: Finished difference Result 90426 states and 97337 transitions. [2024-11-13 14:20:05,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:20:05,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 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 843 [2024-11-13 14:20:05,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:05,698 INFO L225 Difference]: With dead ends: 90426 [2024-11-13 14:20:05,699 INFO L226 Difference]: Without dead ends: 47341 [2024-11-13 14:20:05,723 INFO L431 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 [2024-11-13 14:20:05,724 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 457 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 1360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:05,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 341 Invalid, 1360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 1164 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-13 14:20:05,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47341 states. [2024-11-13 14:20:06,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47341 to 42230. [2024-11-13 14:20:06,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42230 states, 42229 states have (on average 1.0751142579743778) internal successors, (45401), 42229 states have internal predecessors, (45401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:06,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42230 states to 42230 states and 45401 transitions. [2024-11-13 14:20:06,568 INFO L78 Accepts]: Start accepts. Automaton has 42230 states and 45401 transitions. Word has length 843 [2024-11-13 14:20:06,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:06,569 INFO L471 AbstractCegarLoop]: Abstraction has 42230 states and 45401 transitions. [2024-11-13 14:20:06,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:06,569 INFO L276 IsEmpty]: Start isEmpty. Operand 42230 states and 45401 transitions. [2024-11-13 14:20:06,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2024-11-13 14:20:06,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:06,608 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:06,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 14:20:06,608 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:06,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:06,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1012097033, now seen corresponding path program 1 times [2024-11-13 14:20:06,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:06,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48681858] [2024-11-13 14:20:06,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:06,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:07,820 INFO L134 CoverageAnalysis]: Checked inductivity of 888 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-11-13 14:20:07,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:07,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48681858] [2024-11-13 14:20:07,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48681858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:20:07,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:20:07,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:20:07,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190190222] [2024-11-13 14:20:07,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:07,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:20:07,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:07,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:20:07,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:20:07,824 INFO L87 Difference]: Start difference. First operand 42230 states and 45401 transitions. Second operand has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:10,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:10,485 INFO L93 Difference]: Finished difference Result 90425 states and 97376 transitions. [2024-11-13 14:20:10,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:20:10,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 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 869 [2024-11-13 14:20:10,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:10,543 INFO L225 Difference]: With dead ends: 90425 [2024-11-13 14:20:10,543 INFO L226 Difference]: Without dead ends: 47772 [2024-11-13 14:20:10,568 INFO L431 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 [2024-11-13 14:20:10,568 INFO L432 NwaCegarLoop]: 703 mSDtfsCounter, 405 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:10,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 761 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-13 14:20:10,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47772 states. [2024-11-13 14:20:11,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47772 to 47339. [2024-11-13 14:20:11,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47339 states, 47338 states have (on average 1.0720985254974862) internal successors, (50751), 47338 states have internal predecessors, (50751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:11,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47339 states to 47339 states and 50751 transitions. [2024-11-13 14:20:11,468 INFO L78 Accepts]: Start accepts. Automaton has 47339 states and 50751 transitions. Word has length 869 [2024-11-13 14:20:11,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:11,469 INFO L471 AbstractCegarLoop]: Abstraction has 47339 states and 50751 transitions. [2024-11-13 14:20:11,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:11,470 INFO L276 IsEmpty]: Start isEmpty. Operand 47339 states and 50751 transitions. [2024-11-13 14:20:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 873 [2024-11-13 14:20:11,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:11,527 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:11,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 14:20:11,528 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:11,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:11,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1256359930, now seen corresponding path program 1 times [2024-11-13 14:20:11,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:11,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987534834] [2024-11-13 14:20:11,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:11,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:13,371 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 567 proven. 243 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-13 14:20:13,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:13,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987534834] [2024-11-13 14:20:13,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987534834] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:20:13,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288459606] [2024-11-13 14:20:13,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:13,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:20:13,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:20:13,375 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:20:13,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:20:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:13,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:20:13,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:20:15,428 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 567 proven. 243 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-13 14:20:15,428 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:20:19,139 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 567 proven. 243 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-13 14:20:19,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288459606] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:20:19,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:20:19,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-13 14:20:19,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015096024] [2024-11-13 14:20:19,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:20:19,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:20:19,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:19,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:20:19,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:20:19,148 INFO L87 Difference]: Start difference. First operand 47339 states and 50751 transitions. Second operand has 6 states, 6 states have (on average 239.66666666666666) internal successors, (1438), 6 states have internal predecessors, (1438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:24,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:24,879 INFO L93 Difference]: Finished difference Result 101902 states and 109454 transitions. [2024-11-13 14:20:24,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:20:24,880 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 239.66666666666666) internal successors, (1438), 6 states have internal predecessors, (1438), 0 states have call successors, (0), 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 872 [2024-11-13 14:20:24,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:24,940 INFO L225 Difference]: With dead ends: 101902 [2024-11-13 14:20:24,940 INFO L226 Difference]: Without dead ends: 54140 [2024-11-13 14:20:24,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1746 GetRequests, 1741 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:20:24,961 INFO L432 NwaCegarLoop]: 649 mSDtfsCounter, 633 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 3898 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 4125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 3898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:24,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 802 Invalid, 4125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 3898 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-11-13 14:20:24,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54140 states. [2024-11-13 14:20:25,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54140 to 47745. [2024-11-13 14:20:25,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47745 states, 47744 states have (on average 1.068469336461126) internal successors, (51013), 47744 states have internal predecessors, (51013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:25,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47745 states to 47745 states and 51013 transitions. [2024-11-13 14:20:25,486 INFO L78 Accepts]: Start accepts. Automaton has 47745 states and 51013 transitions. Word has length 872 [2024-11-13 14:20:25,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:25,487 INFO L471 AbstractCegarLoop]: Abstraction has 47745 states and 51013 transitions. [2024-11-13 14:20:25,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 239.66666666666666) internal successors, (1438), 6 states have internal predecessors, (1438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:25,487 INFO L276 IsEmpty]: Start isEmpty. Operand 47745 states and 51013 transitions. [2024-11-13 14:20:25,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 928 [2024-11-13 14:20:25,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:25,517 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:25,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 14:20:25,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:20:25,718 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:25,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:25,719 INFO L85 PathProgramCache]: Analyzing trace with hash 759140845, now seen corresponding path program 1 times [2024-11-13 14:20:25,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:25,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679165047] [2024-11-13 14:20:25,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:25,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:26,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1439 backedges. 1110 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2024-11-13 14:20:26,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:26,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679165047] [2024-11-13 14:20:26,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679165047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:20:26,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:20:26,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:20:26,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018448618] [2024-11-13 14:20:26,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:26,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:20:26,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:26,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:20:26,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:20:26,768 INFO L87 Difference]: Start difference. First operand 47745 states and 51013 transitions. Second operand has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:29,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:29,667 INFO L93 Difference]: Finished difference Result 103585 states and 111031 transitions. [2024-11-13 14:20:29,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:20:29,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 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 927 [2024-11-13 14:20:29,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:29,732 INFO L225 Difference]: With dead ends: 103585 [2024-11-13 14:20:29,732 INFO L226 Difference]: Without dead ends: 55417 [2024-11-13 14:20:29,762 INFO L431 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 [2024-11-13 14:20:29,762 INFO L432 NwaCegarLoop]: 579 mSDtfsCounter, 194 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:29,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 614 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-13 14:20:29,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55417 states. [2024-11-13 14:20:30,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55417 to 54983. [2024-11-13 14:20:30,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54983 states, 54982 states have (on average 1.0721690735149685) internal successors, (58950), 54982 states have internal predecessors, (58950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54983 states to 54983 states and 58950 transitions. [2024-11-13 14:20:30,668 INFO L78 Accepts]: Start accepts. Automaton has 54983 states and 58950 transitions. Word has length 927 [2024-11-13 14:20:30,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:30,669 INFO L471 AbstractCegarLoop]: Abstraction has 54983 states and 58950 transitions. [2024-11-13 14:20:30,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:30,669 INFO L276 IsEmpty]: Start isEmpty. Operand 54983 states and 58950 transitions. [2024-11-13 14:20:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 938 [2024-11-13 14:20:30,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:30,728 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:30,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 14:20:30,729 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:30,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:30,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1753909095, now seen corresponding path program 1 times [2024-11-13 14:20:30,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:30,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242770763] [2024-11-13 14:20:30,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:30,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:31,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1087 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 847 trivial. 0 not checked. [2024-11-13 14:20:31,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:31,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242770763] [2024-11-13 14:20:31,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242770763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:20:31,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:20:31,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:20:31,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121635479] [2024-11-13 14:20:31,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:31,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:20:31,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:31,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:20:31,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:20:31,787 INFO L87 Difference]: Start difference. First operand 54983 states and 58950 transitions. Second operand has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 2 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:33,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:33,212 INFO L93 Difference]: Finished difference Result 103986 states and 111471 transitions. [2024-11-13 14:20:33,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:20:33,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 2 states have internal predecessors, (400), 0 states have call successors, (0), 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 937 [2024-11-13 14:20:33,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:33,258 INFO L225 Difference]: With dead ends: 103986 [2024-11-13 14:20:33,258 INFO L226 Difference]: Without dead ends: 49004 [2024-11-13 14:20:33,282 INFO L431 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 [2024-11-13 14:20:33,283 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 350 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:33,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 71 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 14:20:33,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49004 states. [2024-11-13 14:20:33,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49004 to 48994. [2024-11-13 14:20:33,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48994 states, 48993 states have (on average 1.0713775437307371) internal successors, (52490), 48993 states have internal predecessors, (52490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:33,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48994 states to 48994 states and 52490 transitions. [2024-11-13 14:20:33,796 INFO L78 Accepts]: Start accepts. Automaton has 48994 states and 52490 transitions. Word has length 937 [2024-11-13 14:20:33,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:33,797 INFO L471 AbstractCegarLoop]: Abstraction has 48994 states and 52490 transitions. [2024-11-13 14:20:33,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 2 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:33,798 INFO L276 IsEmpty]: Start isEmpty. Operand 48994 states and 52490 transitions. [2024-11-13 14:20:33,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 949 [2024-11-13 14:20:33,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:33,854 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:33,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 14:20:33,854 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:33,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:33,855 INFO L85 PathProgramCache]: Analyzing trace with hash -350279944, now seen corresponding path program 1 times [2024-11-13 14:20:33,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:33,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441902188] [2024-11-13 14:20:33,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:33,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:34,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1469 backedges. 1130 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2024-11-13 14:20:34,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:34,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441902188] [2024-11-13 14:20:34,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441902188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:20:34,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:20:34,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:20:34,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039018680] [2024-11-13 14:20:34,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:34,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:20:34,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:34,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:20:34,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:20:34,893 INFO L87 Difference]: Start difference. First operand 48994 states and 52490 transitions. Second operand has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:37,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:37,660 INFO L93 Difference]: Finished difference Result 109062 states and 117077 transitions. [2024-11-13 14:20:37,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:20:37,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 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 948 [2024-11-13 14:20:37,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:37,725 INFO L225 Difference]: With dead ends: 109062 [2024-11-13 14:20:37,725 INFO L226 Difference]: Without dead ends: 59643 [2024-11-13 14:20:37,750 INFO L431 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 [2024-11-13 14:20:37,751 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 343 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 1332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:37,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 643 Invalid, 1332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-13 14:20:37,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59643 states. [2024-11-13 14:20:38,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59643 to 50267. [2024-11-13 14:20:38,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50267 states, 50266 states have (on average 1.0708033263040624) internal successors, (53825), 50266 states have internal predecessors, (53825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:38,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50267 states to 50267 states and 53825 transitions. [2024-11-13 14:20:38,307 INFO L78 Accepts]: Start accepts. Automaton has 50267 states and 53825 transitions. Word has length 948 [2024-11-13 14:20:38,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:38,308 INFO L471 AbstractCegarLoop]: Abstraction has 50267 states and 53825 transitions. [2024-11-13 14:20:38,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:38,308 INFO L276 IsEmpty]: Start isEmpty. Operand 50267 states and 53825 transitions. [2024-11-13 14:20:38,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 984 [2024-11-13 14:20:38,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:38,341 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:38,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 14:20:38,341 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:38,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:38,341 INFO L85 PathProgramCache]: Analyzing trace with hash -97509831, now seen corresponding path program 1 times [2024-11-13 14:20:38,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:38,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643707657] [2024-11-13 14:20:38,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:38,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 810 proven. 82 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2024-11-13 14:20:39,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:39,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643707657] [2024-11-13 14:20:39,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643707657] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:20:39,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288414496] [2024-11-13 14:20:39,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:39,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:20:39,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:20:39,767 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:20:39,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:20:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:40,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:20:40,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:20:40,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 810 proven. 82 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2024-11-13 14:20:40,697 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:20:41,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 892 proven. 0 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2024-11-13 14:20:41,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288414496] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:20:41,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:20:41,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 7 [2024-11-13 14:20:41,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347069816] [2024-11-13 14:20:41,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:41,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:20:41,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:41,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:20:41,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:20:41,224 INFO L87 Difference]: Start difference. First operand 50267 states and 53825 transitions. Second operand has 4 states, 4 states have (on average 139.0) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:45,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:45,534 INFO L93 Difference]: Finished difference Result 116296 states and 124430 transitions. [2024-11-13 14:20:45,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:20:45,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 139.0) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 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 983 [2024-11-13 14:20:45,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:45,607 INFO L225 Difference]: With dead ends: 116296 [2024-11-13 14:20:45,607 INFO L226 Difference]: Without dead ends: 65177 [2024-11-13 14:20:45,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1967 GetRequests, 1961 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:20:45,638 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 712 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 2217 mSolverCounterSat, 491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 712 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 2708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 491 IncrementalHoareTripleChecker+Valid, 2217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:45,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [712 Valid, 87 Invalid, 2708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [491 Valid, 2217 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-13 14:20:45,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65177 states. [2024-11-13 14:20:46,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65177 to 60466. [2024-11-13 14:20:46,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60466 states, 60465 states have (on average 1.0691143636814686) internal successors, (64644), 60465 states have internal predecessors, (64644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:46,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60466 states to 60466 states and 64644 transitions. [2024-11-13 14:20:46,579 INFO L78 Accepts]: Start accepts. Automaton has 60466 states and 64644 transitions. Word has length 983 [2024-11-13 14:20:46,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:46,580 INFO L471 AbstractCegarLoop]: Abstraction has 60466 states and 64644 transitions. [2024-11-13 14:20:46,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 139.0) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:46,580 INFO L276 IsEmpty]: Start isEmpty. Operand 60466 states and 64644 transitions. [2024-11-13 14:20:46,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1009 [2024-11-13 14:20:46,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:46,647 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:46,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 14:20:46,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:20:46,848 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:46,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:46,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1846969429, now seen corresponding path program 1 times [2024-11-13 14:20:46,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:46,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674943017] [2024-11-13 14:20:46,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:46,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:48,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1623 backedges. 864 proven. 82 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2024-11-13 14:20:48,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:48,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674943017] [2024-11-13 14:20:48,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674943017] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:20:48,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396004592] [2024-11-13 14:20:48,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:48,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:20:48,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:20:48,253 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:20:48,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 14:20:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:48,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:20:48,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:20:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1623 backedges. 1317 proven. 246 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 14:20:49,832 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:20:50,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1623 backedges. 1563 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 14:20:50,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396004592] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:20:50,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:20:50,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3, 5] total 9 [2024-11-13 14:20:50,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801426934] [2024-11-13 14:20:50,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:50,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:20:50,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:50,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:20:50,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:20:50,789 INFO L87 Difference]: Start difference. First operand 60466 states and 64644 transitions. Second operand has 6 states, 6 states have (on average 158.16666666666666) internal successors, (949), 5 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:54,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:54,711 INFO L93 Difference]: Finished difference Result 128149 states and 137193 transitions. [2024-11-13 14:20:54,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:20:54,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 158.16666666666666) internal successors, (949), 5 states have internal predecessors, (949), 0 states have call successors, (0), 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 1008 [2024-11-13 14:20:54,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:54,789 INFO L225 Difference]: With dead ends: 128149 [2024-11-13 14:20:54,789 INFO L226 Difference]: Without dead ends: 66835 [2024-11-13 14:20:54,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2017 GetRequests, 2009 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:20:54,824 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 511 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 2921 mSolverCounterSat, 354 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 3275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 354 IncrementalHoareTripleChecker+Valid, 2921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:54,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 144 Invalid, 3275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [354 Valid, 2921 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-13 14:20:54,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66835 states. [2024-11-13 14:20:55,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66835 to 55358. [2024-11-13 14:20:55,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55358 states, 55357 states have (on average 1.0642917788174937) internal successors, (58916), 55357 states have internal predecessors, (58916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:55,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55358 states to 55358 states and 58916 transitions. [2024-11-13 14:20:55,385 INFO L78 Accepts]: Start accepts. Automaton has 55358 states and 58916 transitions. Word has length 1008 [2024-11-13 14:20:55,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:55,385 INFO L471 AbstractCegarLoop]: Abstraction has 55358 states and 58916 transitions. [2024-11-13 14:20:55,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 158.16666666666666) internal successors, (949), 5 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:20:55,386 INFO L276 IsEmpty]: Start isEmpty. Operand 55358 states and 58916 transitions. [2024-11-13 14:20:55,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1048 [2024-11-13 14:20:55,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:55,415 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:20:55,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 14:20:55,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:20:55,616 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:55,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:55,616 INFO L85 PathProgramCache]: Analyzing trace with hash 2033484880, now seen corresponding path program 1 times [2024-11-13 14:20:55,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:55,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574889960] [2024-11-13 14:20:55,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:55,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:56,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2040 backedges. 1363 proven. 0 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2024-11-13 14:20:56,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:56,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574889960] [2024-11-13 14:20:56,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574889960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:20:56,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:20:56,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:20:56,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837199430] [2024-11-13 14:20:56,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:56,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:20:56,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:56,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:20:56,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:20:56,801 INFO L87 Difference]: Start difference. First operand 55358 states and 58916 transitions. Second operand has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:21:00,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:21:00,653 INFO L93 Difference]: Finished difference Result 127329 states and 135699 transitions. [2024-11-13 14:21:00,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:21:00,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 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 1047 [2024-11-13 14:21:00,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:21:00,726 INFO L225 Difference]: With dead ends: 127329 [2024-11-13 14:21:00,726 INFO L226 Difference]: Without dead ends: 72398 [2024-11-13 14:21:00,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:21:00,757 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 756 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 2163 mSolverCounterSat, 356 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 2519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 2163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:21:00,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 113 Invalid, 2519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 2163 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-13 14:21:00,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72398 states. [2024-11-13 14:21:01,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72398 to 67713. [2024-11-13 14:21:01,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67713 states, 67712 states have (on average 1.0669896030245747) internal successors, (72248), 67712 states have internal predecessors, (72248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:21:01,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67713 states to 67713 states and 72248 transitions. [2024-11-13 14:21:01,566 INFO L78 Accepts]: Start accepts. Automaton has 67713 states and 72248 transitions. Word has length 1047 [2024-11-13 14:21:01,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:21:01,566 INFO L471 AbstractCegarLoop]: Abstraction has 67713 states and 72248 transitions. [2024-11-13 14:21:01,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:21:01,567 INFO L276 IsEmpty]: Start isEmpty. Operand 67713 states and 72248 transitions. [2024-11-13 14:21:01,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1182 [2024-11-13 14:21:01,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:21:01,610 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:21:01,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 14:21:01,610 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:21:01,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:21:01,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1209482652, now seen corresponding path program 1 times [2024-11-13 14:21:01,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:21:01,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064669576] [2024-11-13 14:21:01,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:21:01,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:21:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:03,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 1956 proven. 0 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2024-11-13 14:21:03,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:21:03,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064669576] [2024-11-13 14:21:03,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064669576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:21:03,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:21:03,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:21:03,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26284583] [2024-11-13 14:21:03,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:21:03,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:21:03,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:21:03,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:21:03,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:21:03,631 INFO L87 Difference]: Start difference. First operand 67713 states and 72248 transitions. Second operand has 4 states, 4 states have (on average 179.25) internal successors, (717), 4 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:21:07,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:21:07,346 INFO L93 Difference]: Finished difference Result 132423 states and 141063 transitions. [2024-11-13 14:21:07,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:21:07,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 179.25) internal successors, (717), 4 states have internal predecessors, (717), 0 states have call successors, (0), 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 1181 [2024-11-13 14:21:07,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:21:07,416 INFO L225 Difference]: With dead ends: 132423 [2024-11-13 14:21:07,417 INFO L226 Difference]: Without dead ends: 65137 [2024-11-13 14:21:07,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:21:07,458 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 599 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 2635 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 2886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 2635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:21:07,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 260 Invalid, 2886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 2635 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-13 14:21:07,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65137 states. [2024-11-13 14:21:08,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65137 to 61304. [2024-11-13 14:21:08,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61304 states, 61303 states have (on average 1.0546139666900478) internal successors, (64651), 61303 states have internal predecessors, (64651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:21:08,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61304 states to 61304 states and 64651 transitions. [2024-11-13 14:21:08,486 INFO L78 Accepts]: Start accepts. Automaton has 61304 states and 64651 transitions. Word has length 1181 [2024-11-13 14:21:08,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:21:08,487 INFO L471 AbstractCegarLoop]: Abstraction has 61304 states and 64651 transitions. [2024-11-13 14:21:08,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 179.25) internal successors, (717), 4 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:21:08,487 INFO L276 IsEmpty]: Start isEmpty. Operand 61304 states and 64651 transitions. [2024-11-13 14:21:08,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1206 [2024-11-13 14:21:08,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:21:08,534 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:21:08,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 14:21:08,535 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:21:08,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:21:08,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1518108984, now seen corresponding path program 1 times [2024-11-13 14:21:08,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:21:08,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390012937] [2024-11-13 14:21:08,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:21:08,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:21:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 977 proven. 0 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2024-11-13 14:21:10,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:21:10,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390012937] [2024-11-13 14:21:10,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390012937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:21:10,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:21:10,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:21:10,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342936877] [2024-11-13 14:21:10,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:21:10,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:21:10,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:21:10,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:21:10,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:21:10,353 INFO L87 Difference]: Start difference. First operand 61304 states and 64651 transitions. Second operand has 4 states, 4 states have (on average 202.5) internal successors, (810), 4 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:21:13,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:21:13,570 INFO L93 Difference]: Finished difference Result 134100 states and 141343 transitions. [2024-11-13 14:21:13,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:21:13,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 202.5) internal successors, (810), 4 states have internal predecessors, (810), 0 states have call successors, (0), 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 1205 [2024-11-13 14:21:13,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:21:13,645 INFO L225 Difference]: With dead ends: 134100 [2024-11-13 14:21:13,645 INFO L226 Difference]: Without dead ends: 72798 [2024-11-13 14:21:13,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:21:13,678 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 550 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 2168 mSolverCounterSat, 248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 2416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 2168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:21:13,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 151 Invalid, 2416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [248 Valid, 2168 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-13 14:21:13,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72798 states. [2024-11-13 14:21:14,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72798 to 69385. [2024-11-13 14:21:14,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69385 states, 69384 states have (on average 1.0533264153118875) internal successors, (73084), 69384 states have internal predecessors, (73084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:21:14,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69385 states to 69385 states and 73084 transitions. [2024-11-13 14:21:14,931 INFO L78 Accepts]: Start accepts. Automaton has 69385 states and 73084 transitions. Word has length 1205 [2024-11-13 14:21:14,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:21:14,932 INFO L471 AbstractCegarLoop]: Abstraction has 69385 states and 73084 transitions. [2024-11-13 14:21:14,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 202.5) internal successors, (810), 4 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:21:14,933 INFO L276 IsEmpty]: Start isEmpty. Operand 69385 states and 73084 transitions. [2024-11-13 14:21:15,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2024-11-13 14:21:15,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:21:15,039 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:21:15,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 14:21:15,039 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:21:15,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:21:15,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1926078668, now seen corresponding path program 1 times [2024-11-13 14:21:15,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:21:15,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531239392] [2024-11-13 14:21:15,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:21:15,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:21:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:15,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1636 backedges. 1330 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-11-13 14:21:15,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:21:15,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531239392] [2024-11-13 14:21:15,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531239392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:21:15,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:21:15,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:21:15,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408611988] [2024-11-13 14:21:15,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:21:15,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:21:15,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:21:15,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:21:15,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:21:15,856 INFO L87 Difference]: Start difference. First operand 69385 states and 73084 transitions. Second operand has 3 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:21:18,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:21:18,241 INFO L93 Difference]: Finished difference Result 137064 states and 144378 transitions. [2024-11-13 14:21:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:21:18,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 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 1212 [2024-11-13 14:21:18,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:21:18,292 INFO L225 Difference]: With dead ends: 137064 [2024-11-13 14:21:18,292 INFO L226 Difference]: Without dead ends: 67681 [2024-11-13 14:21:18,314 INFO L431 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 [2024-11-13 14:21:18,314 INFO L432 NwaCegarLoop]: 591 mSDtfsCounter, 97 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:21:18,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 633 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 14:21:18,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67681 states. [2024-11-13 14:21:19,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67681 to 67678. [2024-11-13 14:21:19,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67678 states, 67677 states have (on average 1.053356384000473) internal successors, (71288), 67677 states have internal predecessors, (71288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:21:19,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67678 states to 67678 states and 71288 transitions. [2024-11-13 14:21:19,539 INFO L78 Accepts]: Start accepts. Automaton has 67678 states and 71288 transitions. Word has length 1212 [2024-11-13 14:21:19,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:21:19,539 INFO L471 AbstractCegarLoop]: Abstraction has 67678 states and 71288 transitions. [2024-11-13 14:21:19,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.0) internal successors, (990), 3 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:21:19,540 INFO L276 IsEmpty]: Start isEmpty. Operand 67678 states and 71288 transitions. [2024-11-13 14:21:19,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1470 [2024-11-13 14:21:19,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:21:19,596 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:21:19,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 14:21:19,597 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:21:19,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:21:19,597 INFO L85 PathProgramCache]: Analyzing trace with hash 479812505, now seen corresponding path program 1 times [2024-11-13 14:21:19,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:21:19,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711622173] [2024-11-13 14:21:19,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:21:19,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:21:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:21,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2468 backedges. 1699 proven. 290 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2024-11-13 14:21:21,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:21:21,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711622173] [2024-11-13 14:21:21,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711622173] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:21:21,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654895556] [2024-11-13 14:21:21,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:21:21,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:21:21,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:21:21,459 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:21:21,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 14:21:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:22,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 1665 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 14:21:22,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:21:23,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2468 backedges. 1284 proven. 82 refuted. 0 times theorem prover too weak. 1102 trivial. 0 not checked. [2024-11-13 14:21:23,902 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:21:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2468 backedges. 1284 proven. 82 refuted. 0 times theorem prover too weak. 1102 trivial. 0 not checked. [2024-11-13 14:21:28,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654895556] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:21:28,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:21:28,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 9 [2024-11-13 14:21:28,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50300072] [2024-11-13 14:21:28,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:21:28,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:21:28,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:21:28,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:21:28,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:21:28,852 INFO L87 Difference]: Start difference. First operand 67678 states and 71288 transitions. Second operand has 9 states, 9 states have (on average 250.44444444444446) internal successors, (2254), 9 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:21:40,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:21:40,315 INFO L93 Difference]: Finished difference Result 186046 states and 196468 transitions. [2024-11-13 14:21:40,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:21:40,316 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 250.44444444444446) internal successors, (2254), 9 states have internal predecessors, (2254), 0 states have call successors, (0), 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 1469 [2024-11-13 14:21:40,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:21:40,318 INFO L225 Difference]: With dead ends: 186046 [2024-11-13 14:21:40,318 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 14:21:40,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2945 GetRequests, 2936 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:21:40,367 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 3109 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 6285 mSolverCounterSat, 1483 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3109 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 7768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1483 IncrementalHoareTripleChecker+Valid, 6285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:21:40,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3109 Valid, 188 Invalid, 7768 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1483 Valid, 6285 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2024-11-13 14:21:40,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 14:21:40,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 14:21:40,370 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) [2024-11-13 14:21:40,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 14:21:40,372 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1469 [2024-11-13 14:21:40,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:21:40,372 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:21:40,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 250.44444444444446) internal successors, (2254), 9 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:21:40,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 14:21:40,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 14:21:40,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:21:40,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 14:21:40,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:21:40,586 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:21:40,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 14:22:06,724 WARN L286 SmtUtils]: Spent 26.12s on a formula simplification. DAG size of input: 749 DAG size of output: 814 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-13 14:22:14,898 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification. DAG size of input: 814 DAG size of output: 110 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-13 14:22:14,906 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:22:14,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:22:14 BoogieIcfgContainer [2024-11-13 14:22:14,974 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:22:14,978 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:22:14,978 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:22:14,978 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:22:14,979 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:18:55" (3/4) ... [2024-11-13 14:22:14,982 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 14:22:15,036 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-13 14:22:15,040 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 14:22:15,043 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 14:22:15,046 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:22:15,387 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:22:15,388 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 14:22:15,388 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:22:15,389 INFO L158 Benchmark]: Toolchain (without parser) took 209546.37ms. Allocated memory was 117.4MB in the beginning and 5.1GB in the end (delta: 5.0GB). Free memory was 83.3MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. [2024-11-13 14:22:15,389 INFO L158 Benchmark]: CDTParser took 1.37ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:22:15,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1870.57ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 62.5MB in the end (delta: 20.8MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2024-11-13 14:22:15,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 529.20ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 62.5MB in the beginning and 144.4MB in the end (delta: -81.9MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2024-11-13 14:22:15,390 INFO L158 Benchmark]: Boogie Preprocessor took 696.81ms. Allocated memory is still 234.9MB. Free memory was 144.4MB in the beginning and 129.6MB in the end (delta: 14.8MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-13 14:22:15,391 INFO L158 Benchmark]: RCFGBuilder took 6802.88ms. Allocated memory was 234.9MB in the beginning and 595.6MB in the end (delta: 360.7MB). Free memory was 129.6MB in the beginning and 271.7MB in the end (delta: -142.2MB). Peak memory consumption was 238.7MB. Max. memory is 16.1GB. [2024-11-13 14:22:15,392 INFO L158 Benchmark]: TraceAbstraction took 199218.40ms. Allocated memory was 595.6MB in the beginning and 5.1GB in the end (delta: 4.5GB). Free memory was 271.7MB in the beginning and 2.3GB in the end (delta: -2.0GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. [2024-11-13 14:22:15,392 INFO L158 Benchmark]: Witness Printer took 410.54ms. Allocated memory is still 5.1GB. Free memory was 2.3GB in the beginning and 2.3GB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 14:22:15,395 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37ms. Allocated memory is still 83.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1870.57ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 62.5MB in the end (delta: 20.8MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 529.20ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 62.5MB in the beginning and 144.4MB in the end (delta: -81.9MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 696.81ms. Allocated memory is still 234.9MB. Free memory was 144.4MB in the beginning and 129.6MB in the end (delta: 14.8MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * RCFGBuilder took 6802.88ms. Allocated memory was 234.9MB in the beginning and 595.6MB in the end (delta: 360.7MB). Free memory was 129.6MB in the beginning and 271.7MB in the end (delta: -142.2MB). Peak memory consumption was 238.7MB. Max. memory is 16.1GB. * TraceAbstraction took 199218.40ms. Allocated memory was 595.6MB in the beginning and 5.1GB in the end (delta: 4.5GB). Free memory was 271.7MB in the beginning and 2.3GB in the end (delta: -2.0GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. * Witness Printer took 410.54ms. Allocated memory is still 5.1GB. Free memory was 2.3GB in the beginning and 2.3GB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. 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: 204]: 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, 590 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 164.7s, OverallIterations: 28, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.9s, AutomataDifference: 102.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14833 SdHoareTripleChecker+Valid, 90.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14833 mSDsluCounter, 14086 SdHoareTripleChecker+Invalid, 77.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1729 mSDsCounter, 7896 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48454 IncrementalHoareTripleChecker+Invalid, 56350 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7896 mSolverCounterUnsat, 12357 mSDtfsCounter, 48454 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9588 GetRequests, 9527 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69385occurred in iteration=26, InterpolantAutomatonStates: 100, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 14.9s AutomataMinimizationTime, 28 MinimizatonAttempts, 57208 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 38.2s InterpolantComputationTime, 23829 NumberOfCodeBlocks, 23829 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 28124 ConstructedInterpolants, 0 QuantifiedInterpolants, 69919 SizeOfPredicates, 1 NumberOfNonLiveVariables, 6016 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 37 InterpolantComputations, 26 PerfectInterpolantSequences, 36442/38178 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2590]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((a24 <= 1) && (((long long) a14 + 84) <= 0)) || ((((((a24 == 3) && (a21 <= 124)) && (((long long) a14 + 182) <= 0)) && (((((long long) a28 * 9) >= 0) ? (((long long) a28 * 9) / 10) : ((((long long) a28 * 9) / 10) - 1)) <= 589039)) && (((long long) a26 + 68) <= 0)) && (137 <= a28))) || ((((a21 <= 124) && (((((long long) a28 * 9) >= 0) ? (((long long) a28 * 9) / 10) : ((((long long) a28 * 9) / 10) - 1)) <= 589039)) && (a26 <= 217)) && (a24 == 2))) || (((((a21 <= 124) && (((((long long) a28 * 9) >= 0) ? (((long long) a28 * 9) / 10) : ((((long long) a28 * 9) / 10) - 1)) <= 589039)) && (a24 == 2)) && (a26 <= 600424)) && (137 <= a28))) || (((((((a14 <= 266725) && (a21 <= 124)) && (a28 <= 37)) && (a24 == 2)) && (a26 <= 600424)) && (218 <= a26)) && (0 <= ((long long) a14 + 600000)))) || ((((((a24 == 3) && (a21 <= 124)) && (a28 <= 37)) && (a26 <= 124)) && (((long long) a14 + 84) <= 0)) && (0 <= ((long long) a14 + 600000)))) || ((((a21 <= 124) && (a24 <= 1)) && (a26 <= 215)) && (137 <= a28))) || ((((((a24 == 3) && (a21 <= 124)) && (a26 <= 217)) && (((long long) a14 + 114) <= 0)) && (a28 <= 134)) && (0 <= ((long long) a14 + 600000)))) || (((((((long long) a28 * 9) >= 0) ? (((long long) a28 * 9) / 10) : ((((long long) a28 * 9) / 10) - 1)) <= 589039) && (a26 <= 167744)) && ((((a21 <= 124) && (a24 <= 1)) && (218 <= a26)) || (((432832 <= a28) && (a21 <= 124)) && (a24 <= 1))))) || (((((a24 == 3) && (a21 <= 124)) && (a26 <= 117)) && (((long long) a14 + 114) <= 0)) && (0 <= ((long long) a14 + 600000)))) || (((((a21 <= 124) && (((long long) a14 + 182) <= 0)) && (a24 == 2)) && (a26 <= 600424)) && (137 <= a28))) || ((((a21 <= 124) && (244792 <= a14)) && (a26 <= 117)) && (a24 == 2))) || (((((300 <= a28) && (a24 == 3)) && (a21 <= 124)) && (((((long long) a28 * 9) >= 0) ? (((long long) a28 * 9) / 10) : ((((long long) a28 * 9) / 10) - 1)) <= 589039)) && (((long long) 432474 + a26) <= 0))) || (((((((a24 == 3) && (a21 <= 124)) && (((long long) a14 + 182) <= 0)) && (((((long long) a28 * 9) >= 0) ? (((long long) a28 * 9) / 10) : ((((long long) a28 * 9) / 10) - 1)) <= 589039)) && (218 <= a26)) && (0 <= ((long long) a14 + 600000))) && (137 <= a28))) || ((((a21 <= 124) && (a28 <= 37)) && (a24 <= 1)) && (218 <= a26))) || ((((((a24 == 3) && (a21 <= 124)) && (((((long long) a28 * 9) >= 0) ? (((long long) a28 * 9) / 10) : ((((long long) a28 * 9) / 10) - 1)) <= 589039)) && (a26 <= 117)) && (0 <= ((long long) a14 + 83))) && (137 <= a28))) || ((((((a21 <= 124) && (a24 == 2)) && (((long long) a14 + 114) <= 0)) && (a26 <= 600424)) && (218 <= a26)) && (0 <= ((long long) a14 + 600000)))) || ((((((a24 == 3) && (a21 <= 124)) && (((long long) a26 + 766) <= 0)) && (((long long) a14 + 84) <= 0)) && (a28 <= 134)) && (0 <= ((long long) a14 + 600000)))) || ((((300 <= a28) && (a21 <= 124)) && (a26 <= 217)) && (a24 <= 1))) || ((((((a26 <= 121) && (a24 == 3)) && (a21 <= 124)) && (((((long long) a28 * 9) >= 0) ? (((long long) a28 * 9) / 10) : ((((long long) a28 * 9) / 10) - 1)) <= 589039)) && (((long long) a14 + 114) <= 0)) && (0 <= ((long long) a14 + 600000)))) || ((((a14 <= 266725) && (((((long long) a28 * 9) >= 0) ? (((long long) a28 * 9) / 10) : ((((long long) a28 * 9) / 10) - 1)) <= 589039)) && (a26 <= 600424)) && ((((a21 <= 124) && (a24 <= 1)) && (218 <= a26)) || (((432832 <= a28) && (a21 <= 124)) && (a24 <= 1))))) || ((((((300 <= a28) && (a24 == 3)) && (a21 <= 124)) && (((long long) a14 + 182) <= 0)) && (((((long long) a28 * 9) >= 0) ? (((long long) a28 * 9) / 10) : ((((long long) a28 * 9) / 10) - 1)) <= 589039)) && (0 <= ((long long) a14 + 600000)))) || ((a26 <= 114) && (a24 <= 1))) || ((((((((a26 < 218) || (37 < a28)) && (a21 <= 124)) && (((((long long) a28 * 9) >= 0) ? (((long long) a28 * 9) / 10) : ((((long long) a28 * 9) / 10) - 1)) <= 589039)) && (a24 == 2)) && (a26 <= 600424)) && (0 <= ((long long) a14 + 83))) && (218 <= a26))) || ((((a21 <= 124) && (a26 <= 217)) && (a24 == 2)) && (((long long) a14 + 84) <= 0))) || (((((a24 == 3) && (a21 <= 124)) && (a28 <= 37)) && (((long long) a14 + 114) <= 0)) && (((long long) a26 + 68) <= 0))) || (((300 <= a28) && (a24 <= 1)) && (a26 <= 215))) || (((((((a14 <= 266725) && (a21 <= 124)) && (((((long long) a28 * 9) >= 0) ? (((long long) a28 * 9) / 10) : ((((long long) a28 * 9) / 10) - 1)) <= 589039)) && (a26 <= 167744)) && (a24 == 2)) && (218 <= a26)) && (0 <= ((long long) a14 + 600000)))) || (((((((a26 < 218) || (37 < a28)) && (a21 <= 124)) && (a24 == 2)) && (a26 <= 600424)) && (a28 <= 134)) && (218 <= a26))) RESULT: Ultimate proved your program to be correct! [2024-11-13 14:22:15,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379bc765-68c3-42c6-9e3a-ad15e4ec64a3/bin/uautomizer-verify-qhAvR1uOyd/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