./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.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_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/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_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/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_9d67c695-4554-4802-946b-1d362288942f/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 ffdd9c6c8ed32275119d4b9d2dc66b9f80986fea1a039186a702d6c803e62485 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:18:26,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:18:26,108 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:18:26,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:18:26,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:18:26,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:18:26,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:18:26,152 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:18:26,152 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:18:26,152 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:18:26,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:18:26,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:18:26,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:18:26,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:18:26,155 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:18:26,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:18:26,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:18:26,155 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:18:26,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:18:26,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:18:26,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:18:26,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:18:26,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:18:26,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:18:26,156 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:18:26,157 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:18:26,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:18:26,157 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:18:26,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:18:26,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:18:26,158 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:18:26,158 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:18:26,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:18:26,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:18:26,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:18:26,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:18:26,159 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:18:26,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:18:26,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:18:26,160 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:18:26,160 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:18:26,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:18:26,161 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_9d67c695-4554-4802-946b-1d362288942f/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 -> ffdd9c6c8ed32275119d4b9d2dc66b9f80986fea1a039186a702d6c803e62485 [2024-11-13 14:18:26,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:18:26,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:18:26,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:18:26,480 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:18:26,480 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:18:26,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c Unable to find full path for "g++" [2024-11-13 14:18:28,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:18:28,742 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:18:28,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2024-11-13 14:18:28,773 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/data/99025ca62/305a7bd060744dbfb9e2f464bd25838f/FLAG717ccf7c1 [2024-11-13 14:18:28,799 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/data/99025ca62/305a7bd060744dbfb9e2f464bd25838f [2024-11-13 14:18:28,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:18:28,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:18:28,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:18:28,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:18:28,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:18:28,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:18:28" (1/1) ... [2024-11-13 14:18:28,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4daf2be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:28, skipping insertion in model container [2024-11-13 14:18:28,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:18:28" (1/1) ... [2024-11-13 14:18:28,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:18:29,157 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_9d67c695-4554-4802-946b-1d362288942f/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c[44811,44824] [2024-11-13 14:18:29,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:18:29,195 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:18:29,253 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_9d67c695-4554-4802-946b-1d362288942f/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c[44811,44824] [2024-11-13 14:18:29,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:18:29,277 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:18:29,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:29 WrapperNode [2024-11-13 14:18:29,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:18:29,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:18:29,279 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:18:29,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:18:29,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:29" (1/1) ... [2024-11-13 14:18:29,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:29" (1/1) ... [2024-11-13 14:18:29,358 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 568 [2024-11-13 14:18:29,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:18:29,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:18:29,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:18:29,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:18:29,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:29" (1/1) ... [2024-11-13 14:18:29,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:29" (1/1) ... [2024-11-13 14:18:29,369 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:29" (1/1) ... [2024-11-13 14:18:29,383 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 14:18:29,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:29" (1/1) ... [2024-11-13 14:18:29,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:29" (1/1) ... [2024-11-13 14:18:29,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:29" (1/1) ... [2024-11-13 14:18:29,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:29" (1/1) ... [2024-11-13 14:18:29,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:29" (1/1) ... [2024-11-13 14:18:29,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:29" (1/1) ... [2024-11-13 14:18:29,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:18:29,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:18:29,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:18:29,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:18:29,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:29" (1/1) ... [2024-11-13 14:18:29,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:18:29,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:18:29,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:18:29,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:18:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:18:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:18:29,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:18:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:18:29,617 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:18:29,620 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:18:29,649 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-13 14:18:30,274 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2024-11-13 14:18:30,275 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2024-11-13 14:18:30,336 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-13 14:18:30,336 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:18:30,353 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:18:30,356 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:18:30,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:18:30 BoogieIcfgContainer [2024-11-13 14:18:30,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:18:30,362 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:18:30,362 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:18:30,367 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:18:30,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:18:28" (1/3) ... [2024-11-13 14:18:30,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579ae618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:18:30, skipping insertion in model container [2024-11-13 14:18:30,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:18:29" (2/3) ... [2024-11-13 14:18:30,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579ae618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:18:30, skipping insertion in model container [2024-11-13 14:18:30,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:18:30" (3/3) ... [2024-11-13 14:18:30,371 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a_alt.BV.c.cil.c [2024-11-13 14:18:30,391 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:18:30,392 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG s3_srvr_2a_alt.BV.c.cil.c that has 1 procedures, 138 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:18:30,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:18:30,488 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;@2847a085, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:18:30,489 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:18:30,496 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 0 states have call successors, (0), 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 14:18:30,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 14:18:30,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:30,507 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] [2024-11-13 14:18:30,507 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:30,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:30,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1805923718, now seen corresponding path program 1 times [2024-11-13 14:18:30,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:30,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450440094] [2024-11-13 14:18:30,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:30,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:31,058 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 14:18:31,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:31,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450440094] [2024-11-13 14:18:31,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450440094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:31,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:31,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:31,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327584575] [2024-11-13 14:18:31,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:31,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:31,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:31,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:31,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:31,097 INFO L87 Difference]: Start difference. First operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 0 states have call successors, (0), 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 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 14:18:31,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:31,460 INFO L93 Difference]: Finished difference Result 309 states and 538 transitions. [2024-11-13 14:18:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:31,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2024-11-13 14:18:31,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:31,475 INFO L225 Difference]: With dead ends: 309 [2024-11-13 14:18:31,476 INFO L226 Difference]: Without dead ends: 156 [2024-11-13 14:18:31,480 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 14:18:31,483 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 41 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:31,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 257 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:18:31,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-13 14:18:31,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-13 14:18:31,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 155 states have (on average 1.6) internal successors, (248), 155 states have internal predecessors, (248), 0 states have call successors, (0), 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 14:18:31,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 248 transitions. [2024-11-13 14:18:31,520 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 248 transitions. Word has length 44 [2024-11-13 14:18:31,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:31,521 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 248 transitions. [2024-11-13 14:18:31,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 14:18:31,521 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 248 transitions. [2024-11-13 14:18:31,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 14:18:31,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:31,523 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] [2024-11-13 14:18:31,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:18:31,523 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:31,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:31,525 INFO L85 PathProgramCache]: Analyzing trace with hash 142024871, now seen corresponding path program 1 times [2024-11-13 14:18:31,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:31,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815090243] [2024-11-13 14:18:31,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:31,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:31,732 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 14:18:31,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:31,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815090243] [2024-11-13 14:18:31,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815090243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:31,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:31,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:31,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454670618] [2024-11-13 14:18:31,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:31,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:31,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:31,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:31,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:31,736 INFO L87 Difference]: Start difference. First operand 156 states and 248 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:18:31,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:31,951 INFO L93 Difference]: Finished difference Result 347 states and 560 transitions. [2024-11-13 14:18:31,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:31,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2024-11-13 14:18:31,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:31,954 INFO L225 Difference]: With dead ends: 347 [2024-11-13 14:18:31,954 INFO L226 Difference]: Without dead ends: 197 [2024-11-13 14:18:31,954 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 14:18:31,955 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 23 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:31,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 181 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:18:31,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-13 14:18:31,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2024-11-13 14:18:31,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 196 states have (on average 1.6326530612244898) internal successors, (320), 196 states have internal predecessors, (320), 0 states have call successors, (0), 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 14:18:31,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 320 transitions. [2024-11-13 14:18:31,969 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 320 transitions. Word has length 45 [2024-11-13 14:18:31,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:31,969 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 320 transitions. [2024-11-13 14:18:31,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:18:31,969 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 320 transitions. [2024-11-13 14:18:31,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 14:18:31,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:31,971 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:18:31,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:18:31,972 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:31,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:31,972 INFO L85 PathProgramCache]: Analyzing trace with hash 435222661, now seen corresponding path program 1 times [2024-11-13 14:18:31,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:31,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417874067] [2024-11-13 14:18:31,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:31,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:32,134 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:18:32,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:32,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417874067] [2024-11-13 14:18:32,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417874067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:32,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:32,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:32,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583360801] [2024-11-13 14:18:32,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:32,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:32,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:32,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:32,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:32,138 INFO L87 Difference]: Start difference. First operand 197 states and 320 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 14:18:32,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:32,187 INFO L93 Difference]: Finished difference Result 569 states and 929 transitions. [2024-11-13 14:18:32,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:32,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2024-11-13 14:18:32,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:32,189 INFO L225 Difference]: With dead ends: 569 [2024-11-13 14:18:32,190 INFO L226 Difference]: Without dead ends: 380 [2024-11-13 14:18:32,191 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 14:18:32,192 INFO L432 NwaCegarLoop]: 312 mSDtfsCounter, 111 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:32,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 475 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:18:32,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-13 14:18:32,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2024-11-13 14:18:32,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 379 states have (on average 1.6279683377308707) internal successors, (617), 379 states have internal predecessors, (617), 0 states have call successors, (0), 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 14:18:32,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 617 transitions. [2024-11-13 14:18:32,215 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 617 transitions. Word has length 60 [2024-11-13 14:18:32,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:32,215 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 617 transitions. [2024-11-13 14:18:32,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 14:18:32,215 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 617 transitions. [2024-11-13 14:18:32,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 14:18:32,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:32,218 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-13 14:18:32,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:18:32,218 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:32,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:32,219 INFO L85 PathProgramCache]: Analyzing trace with hash 683369155, now seen corresponding path program 1 times [2024-11-13 14:18:32,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:32,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284556269] [2024-11-13 14:18:32,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:32,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:32,297 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:18:32,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:32,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284556269] [2024-11-13 14:18:32,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284556269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:32,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:32,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:32,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313432574] [2024-11-13 14:18:32,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:32,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:32,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:32,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:32,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:32,301 INFO L87 Difference]: Start difference. First operand 380 states and 617 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 14:18:32,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:32,352 INFO L93 Difference]: Finished difference Result 938 states and 1528 transitions. [2024-11-13 14:18:32,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:32,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2024-11-13 14:18:32,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:32,357 INFO L225 Difference]: With dead ends: 938 [2024-11-13 14:18:32,357 INFO L226 Difference]: Without dead ends: 566 [2024-11-13 14:18:32,359 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 14:18:32,362 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 148 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:32,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 330 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:18:32,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-11-13 14:18:32,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 566. [2024-11-13 14:18:32,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 565 states have (on average 1.6247787610619469) internal successors, (918), 565 states have internal predecessors, (918), 0 states have call successors, (0), 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 14:18:32,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 918 transitions. [2024-11-13 14:18:32,411 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 918 transitions. Word has length 60 [2024-11-13 14:18:32,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:32,412 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 918 transitions. [2024-11-13 14:18:32,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 14:18:32,412 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 918 transitions. [2024-11-13 14:18:32,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 14:18:32,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:32,419 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-11-13 14:18:32,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:18:32,420 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:32,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:32,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1357349259, now seen corresponding path program 1 times [2024-11-13 14:18:32,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:32,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637984170] [2024-11-13 14:18:32,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:32,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 14:18:32,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:32,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637984170] [2024-11-13 14:18:32,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637984170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:32,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:32,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:32,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703019559] [2024-11-13 14:18:32,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:32,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:32,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:32,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:32,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:32,551 INFO L87 Difference]: Start difference. First operand 566 states and 918 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 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 14:18:32,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:32,806 INFO L93 Difference]: Finished difference Result 1336 states and 2193 transitions. [2024-11-13 14:18:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:32,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 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 97 [2024-11-13 14:18:32,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:32,810 INFO L225 Difference]: With dead ends: 1336 [2024-11-13 14:18:32,810 INFO L226 Difference]: Without dead ends: 778 [2024-11-13 14:18:32,815 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 14:18:32,817 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 35 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:32,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 271 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:18:32,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2024-11-13 14:18:32,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 766. [2024-11-13 14:18:32,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 765 states have (on average 1.461437908496732) internal successors, (1118), 765 states have internal predecessors, (1118), 0 states have call successors, (0), 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 14:18:32,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1118 transitions. [2024-11-13 14:18:32,856 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1118 transitions. Word has length 97 [2024-11-13 14:18:32,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:32,857 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 1118 transitions. [2024-11-13 14:18:32,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 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 14:18:32,857 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1118 transitions. [2024-11-13 14:18:32,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 14:18:32,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:32,860 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-11-13 14:18:32,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:18:32,861 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:32,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:32,861 INFO L85 PathProgramCache]: Analyzing trace with hash -923620173, now seen corresponding path program 1 times [2024-11-13 14:18:32,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:32,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332385671] [2024-11-13 14:18:32,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:32,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:33,036 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 14:18:33,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:33,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332385671] [2024-11-13 14:18:33,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332385671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:33,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:33,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:33,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873272157] [2024-11-13 14:18:33,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:33,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:33,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:33,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:33,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:33,041 INFO L87 Difference]: Start difference. First operand 766 states and 1118 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 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 14:18:33,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:33,291 INFO L93 Difference]: Finished difference Result 1653 states and 2450 transitions. [2024-11-13 14:18:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:33,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 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 97 [2024-11-13 14:18:33,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:33,299 INFO L225 Difference]: With dead ends: 1653 [2024-11-13 14:18:33,299 INFO L226 Difference]: Without dead ends: 895 [2024-11-13 14:18:33,301 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 14:18:33,302 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 35 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:33,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 270 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:18:33,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2024-11-13 14:18:33,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 859. [2024-11-13 14:18:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 859 states, 858 states have (on average 1.456876456876457) internal successors, (1250), 858 states have internal predecessors, (1250), 0 states have call successors, (0), 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 14:18:33,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1250 transitions. [2024-11-13 14:18:33,346 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1250 transitions. Word has length 97 [2024-11-13 14:18:33,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:33,347 INFO L471 AbstractCegarLoop]: Abstraction has 859 states and 1250 transitions. [2024-11-13 14:18:33,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 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 14:18:33,347 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1250 transitions. [2024-11-13 14:18:33,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 14:18:33,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:33,350 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 14:18:33,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:18:33,350 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:33,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:33,351 INFO L85 PathProgramCache]: Analyzing trace with hash 454557297, now seen corresponding path program 1 times [2024-11-13 14:18:33,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:33,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875533151] [2024-11-13 14:18:33,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:33,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:33,502 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-13 14:18:33,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:33,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875533151] [2024-11-13 14:18:33,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875533151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:33,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:33,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:33,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128950691] [2024-11-13 14:18:33,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:33,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:33,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:33,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:33,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:33,505 INFO L87 Difference]: Start difference. First operand 859 states and 1250 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 14:18:33,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:33,562 INFO L93 Difference]: Finished difference Result 1746 states and 2558 transitions. [2024-11-13 14:18:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:33,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 121 [2024-11-13 14:18:33,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:33,569 INFO L225 Difference]: With dead ends: 1746 [2024-11-13 14:18:33,569 INFO L226 Difference]: Without dead ends: 1153 [2024-11-13 14:18:33,572 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 14:18:33,573 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 111 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:33,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 484 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:18:33,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2024-11-13 14:18:33,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1153. [2024-11-13 14:18:33,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1152 states have (on average 1.4592013888888888) internal successors, (1681), 1152 states have internal predecessors, (1681), 0 states have call successors, (0), 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 14:18:33,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1681 transitions. [2024-11-13 14:18:33,650 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1681 transitions. Word has length 121 [2024-11-13 14:18:33,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:33,651 INFO L471 AbstractCegarLoop]: Abstraction has 1153 states and 1681 transitions. [2024-11-13 14:18:33,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 14:18:33,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1681 transitions. [2024-11-13 14:18:33,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 14:18:33,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:33,654 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 14:18:33,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:18:33,655 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:33,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:33,655 INFO L85 PathProgramCache]: Analyzing trace with hash -442835981, now seen corresponding path program 1 times [2024-11-13 14:18:33,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:33,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102180557] [2024-11-13 14:18:33,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:33,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:33,747 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 14:18:33,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:33,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102180557] [2024-11-13 14:18:33,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102180557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:33,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:33,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:33,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61108467] [2024-11-13 14:18:33,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:33,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:33,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:33,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:33,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:33,749 INFO L87 Difference]: Start difference. First operand 1153 states and 1681 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 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 14:18:33,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:33,809 INFO L93 Difference]: Finished difference Result 2297 states and 3379 transitions. [2024-11-13 14:18:33,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:33,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 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 121 [2024-11-13 14:18:33,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:33,815 INFO L225 Difference]: With dead ends: 2297 [2024-11-13 14:18:33,815 INFO L226 Difference]: Without dead ends: 1410 [2024-11-13 14:18:33,817 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 14:18:33,817 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 113 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:33,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 485 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:18:33,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2024-11-13 14:18:33,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 1410. [2024-11-13 14:18:33,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1410 states, 1409 states have (on average 1.4698367636621719) internal successors, (2071), 1409 states have internal predecessors, (2071), 0 states have call successors, (0), 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 14:18:33,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 2071 transitions. [2024-11-13 14:18:33,863 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 2071 transitions. Word has length 121 [2024-11-13 14:18:33,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:33,864 INFO L471 AbstractCegarLoop]: Abstraction has 1410 states and 2071 transitions. [2024-11-13 14:18:33,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 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 14:18:33,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 2071 transitions. [2024-11-13 14:18:33,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-13 14:18:33,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:33,871 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-13 14:18:33,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:18:33,871 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:33,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:33,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1975824823, now seen corresponding path program 1 times [2024-11-13 14:18:33,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:33,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64193680] [2024-11-13 14:18:33,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:33,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:34,037 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-13 14:18:34,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:34,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64193680] [2024-11-13 14:18:34,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64193680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:34,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:34,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:34,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685861537] [2024-11-13 14:18:34,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:34,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:34,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:34,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:34,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:34,039 INFO L87 Difference]: Start difference. First operand 1410 states and 2071 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 14:18:34,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:34,272 INFO L93 Difference]: Finished difference Result 3017 states and 4490 transitions. [2024-11-13 14:18:34,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:34,272 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 225 [2024-11-13 14:18:34,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:34,278 INFO L225 Difference]: With dead ends: 3017 [2024-11-13 14:18:34,279 INFO L226 Difference]: Without dead ends: 1565 [2024-11-13 14:18:34,284 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 14:18:34,284 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 31 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:34,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 258 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:18:34,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2024-11-13 14:18:34,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1565. [2024-11-13 14:18:34,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1564 states have (on average 1.4392583120204603) internal successors, (2251), 1564 states have internal predecessors, (2251), 0 states have call successors, (0), 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 14:18:34,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 2251 transitions. [2024-11-13 14:18:34,331 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 2251 transitions. Word has length 225 [2024-11-13 14:18:34,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:34,331 INFO L471 AbstractCegarLoop]: Abstraction has 1565 states and 2251 transitions. [2024-11-13 14:18:34,332 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 14:18:34,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2251 transitions. [2024-11-13 14:18:34,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-13 14:18:34,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:34,337 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-13 14:18:34,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 14:18:34,338 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:34,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:34,342 INFO L85 PathProgramCache]: Analyzing trace with hash -971965788, now seen corresponding path program 1 times [2024-11-13 14:18:34,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:34,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036749549] [2024-11-13 14:18:34,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:34,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:34,534 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-13 14:18:34,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:34,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036749549] [2024-11-13 14:18:34,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036749549] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:18:34,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262446297] [2024-11-13 14:18:34,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:34,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:18:34,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:18:34,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:18:34,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:18:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:34,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:18:34,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:18:34,916 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-13 14:18:34,917 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:18:35,065 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-13 14:18:35,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262446297] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:18:35,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:18:35,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-13 14:18:35,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245799099] [2024-11-13 14:18:35,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:18:35,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:18:35,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:35,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:18:35,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:18:35,069 INFO L87 Difference]: Start difference. First operand 1565 states and 2251 transitions. Second operand has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 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 14:18:36,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:36,161 INFO L93 Difference]: Finished difference Result 6035 states and 8671 transitions. [2024-11-13 14:18:36,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:18:36,162 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 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 253 [2024-11-13 14:18:36,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:36,180 INFO L225 Difference]: With dead ends: 6035 [2024-11-13 14:18:36,181 INFO L226 Difference]: Without dead ends: 4478 [2024-11-13 14:18:36,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 507 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:18:36,184 INFO L432 NwaCegarLoop]: 413 mSDtfsCounter, 276 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:36,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 1329 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 14:18:36,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4478 states. [2024-11-13 14:18:36,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4478 to 3398. [2024-11-13 14:18:36,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3398 states, 3397 states have (on average 1.40270827200471) internal successors, (4765), 3397 states have internal predecessors, (4765), 0 states have call successors, (0), 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 14:18:36,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3398 states to 3398 states and 4765 transitions. [2024-11-13 14:18:36,319 INFO L78 Accepts]: Start accepts. Automaton has 3398 states and 4765 transitions. Word has length 253 [2024-11-13 14:18:36,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:36,319 INFO L471 AbstractCegarLoop]: Abstraction has 3398 states and 4765 transitions. [2024-11-13 14:18:36,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 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 14:18:36,320 INFO L276 IsEmpty]: Start isEmpty. Operand 3398 states and 4765 transitions. [2024-11-13 14:18:36,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-13 14:18:36,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:36,327 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-13 14:18:36,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:18:36,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:18:36,532 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:36,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:36,533 INFO L85 PathProgramCache]: Analyzing trace with hash -683146398, now seen corresponding path program 1 times [2024-11-13 14:18:36,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:36,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610939298] [2024-11-13 14:18:36,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:36,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-13 14:18:36,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:36,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610939298] [2024-11-13 14:18:36,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610939298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:36,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:36,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:36,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948990202] [2024-11-13 14:18:36,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:36,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:36,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:36,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:36,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:36,676 INFO L87 Difference]: Start difference. First operand 3398 states and 4765 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 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 14:18:36,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:36,785 INFO L93 Difference]: Finished difference Result 9681 states and 13694 transitions. [2024-11-13 14:18:36,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:36,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 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 253 [2024-11-13 14:18:36,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:36,802 INFO L225 Difference]: With dead ends: 9681 [2024-11-13 14:18:36,802 INFO L226 Difference]: Without dead ends: 4220 [2024-11-13 14:18:36,807 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 14:18:36,808 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 109 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:36,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 492 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:18:36,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4220 states. [2024-11-13 14:18:36,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4220 to 3918. [2024-11-13 14:18:36,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3918 states, 3917 states have (on average 1.4237937196834312) internal successors, (5577), 3917 states have internal predecessors, (5577), 0 states have call successors, (0), 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 14:18:36,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3918 states to 3918 states and 5577 transitions. [2024-11-13 14:18:36,947 INFO L78 Accepts]: Start accepts. Automaton has 3918 states and 5577 transitions. Word has length 253 [2024-11-13 14:18:36,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:36,947 INFO L471 AbstractCegarLoop]: Abstraction has 3918 states and 5577 transitions. [2024-11-13 14:18:36,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 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 14:18:36,947 INFO L276 IsEmpty]: Start isEmpty. Operand 3918 states and 5577 transitions. [2024-11-13 14:18:36,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-13 14:18:36,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:36,955 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-13 14:18:36,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 14:18:36,955 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:36,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:36,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1653036896, now seen corresponding path program 1 times [2024-11-13 14:18:36,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:36,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780049790] [2024-11-13 14:18:36,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:36,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-11-13 14:18:37,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:37,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780049790] [2024-11-13 14:18:37,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780049790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:37,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:37,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:37,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580301729] [2024-11-13 14:18:37,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:37,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:37,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:37,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:37,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:37,057 INFO L87 Difference]: Start difference. First operand 3918 states and 5577 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 14:18:37,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:37,259 INFO L93 Difference]: Finished difference Result 7966 states and 11316 transitions. [2024-11-13 14:18:37,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:37,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 253 [2024-11-13 14:18:37,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:37,273 INFO L225 Difference]: With dead ends: 7966 [2024-11-13 14:18:37,273 INFO L226 Difference]: Without dead ends: 4056 [2024-11-13 14:18:37,278 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 14:18:37,278 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 9 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:37,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 272 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:18:37,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4056 states. [2024-11-13 14:18:37,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4056 to 4056. [2024-11-13 14:18:37,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4056 states, 4055 states have (on average 1.4167694204685573) internal successors, (5745), 4055 states have internal predecessors, (5745), 0 states have call successors, (0), 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 14:18:37,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4056 states to 4056 states and 5745 transitions. [2024-11-13 14:18:37,413 INFO L78 Accepts]: Start accepts. Automaton has 4056 states and 5745 transitions. Word has length 253 [2024-11-13 14:18:37,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:37,414 INFO L471 AbstractCegarLoop]: Abstraction has 4056 states and 5745 transitions. [2024-11-13 14:18:37,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 14:18:37,414 INFO L276 IsEmpty]: Start isEmpty. Operand 4056 states and 5745 transitions. [2024-11-13 14:18:37,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-13 14:18:37,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:37,422 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-13 14:18:37,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 14:18:37,423 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:37,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:37,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1523621426, now seen corresponding path program 1 times [2024-11-13 14:18:37,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:37,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16210133] [2024-11-13 14:18:37,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:37,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:37,537 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-11-13 14:18:37,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:37,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16210133] [2024-11-13 14:18:37,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16210133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:37,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:37,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:37,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459832325] [2024-11-13 14:18:37,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:37,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:37,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:37,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:37,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:37,541 INFO L87 Difference]: Start difference. First operand 4056 states and 5745 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 14:18:37,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:37,756 INFO L93 Difference]: Finished difference Result 8454 states and 11940 transitions. [2024-11-13 14:18:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:37,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 273 [2024-11-13 14:18:37,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:37,771 INFO L225 Difference]: With dead ends: 8454 [2024-11-13 14:18:37,771 INFO L226 Difference]: Without dead ends: 4406 [2024-11-13 14:18:37,775 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 14:18:37,776 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 9 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:37,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 272 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:18:37,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4406 states. [2024-11-13 14:18:37,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4406 to 4406. [2024-11-13 14:18:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4406 states, 4405 states have (on average 1.3995459704880817) internal successors, (6165), 4405 states have internal predecessors, (6165), 0 states have call successors, (0), 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 14:18:37,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4406 states to 4406 states and 6165 transitions. [2024-11-13 14:18:37,936 INFO L78 Accepts]: Start accepts. Automaton has 4406 states and 6165 transitions. Word has length 273 [2024-11-13 14:18:37,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:37,937 INFO L471 AbstractCegarLoop]: Abstraction has 4406 states and 6165 transitions. [2024-11-13 14:18:37,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 14:18:37,937 INFO L276 IsEmpty]: Start isEmpty. Operand 4406 states and 6165 transitions. [2024-11-13 14:18:37,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-13 14:18:37,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:37,945 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-13 14:18:37,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:18:37,946 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:37,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:37,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1916952350, now seen corresponding path program 1 times [2024-11-13 14:18:37,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:37,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722307947] [2024-11-13 14:18:37,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:37,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:38,107 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 389 proven. 0 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-13 14:18:38,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:38,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722307947] [2024-11-13 14:18:38,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722307947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:38,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:38,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:38,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507263724] [2024-11-13 14:18:38,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:38,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:38,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:38,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:38,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:38,111 INFO L87 Difference]: Start difference. First operand 4406 states and 6165 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 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 14:18:38,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:38,180 INFO L93 Difference]: Finished difference Result 8818 states and 12346 transitions. [2024-11-13 14:18:38,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:38,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 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 299 [2024-11-13 14:18:38,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:38,203 INFO L225 Difference]: With dead ends: 8818 [2024-11-13 14:18:38,204 INFO L226 Difference]: Without dead ends: 4420 [2024-11-13 14:18:38,209 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 14:18:38,209 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:38,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 342 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:18:38,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4420 states. [2024-11-13 14:18:38,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4420 to 4420. [2024-11-13 14:18:38,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4420 states, 4419 states have (on average 1.3982801538809686) internal successors, (6179), 4419 states have internal predecessors, (6179), 0 states have call successors, (0), 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 14:18:38,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4420 states to 4420 states and 6179 transitions. [2024-11-13 14:18:38,379 INFO L78 Accepts]: Start accepts. Automaton has 4420 states and 6179 transitions. Word has length 299 [2024-11-13 14:18:38,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:38,379 INFO L471 AbstractCegarLoop]: Abstraction has 4420 states and 6179 transitions. [2024-11-13 14:18:38,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 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 14:18:38,380 INFO L276 IsEmpty]: Start isEmpty. Operand 4420 states and 6179 transitions. [2024-11-13 14:18:38,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-13 14:18:38,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:38,390 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-13 14:18:38,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 14:18:38,390 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:38,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:38,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1999296962, now seen corresponding path program 1 times [2024-11-13 14:18:38,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:38,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510059663] [2024-11-13 14:18:38,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:38,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:38,531 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 493 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2024-11-13 14:18:38,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:38,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510059663] [2024-11-13 14:18:38,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510059663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:38,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:38,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:38,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78824129] [2024-11-13 14:18:38,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:38,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:38,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:38,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:38,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:38,535 INFO L87 Difference]: Start difference. First operand 4420 states and 6179 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:18:38,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:38,763 INFO L93 Difference]: Finished difference Result 9210 states and 12864 transitions. [2024-11-13 14:18:38,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:38,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 299 [2024-11-13 14:18:38,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:38,777 INFO L225 Difference]: With dead ends: 9210 [2024-11-13 14:18:38,777 INFO L226 Difference]: Without dead ends: 4798 [2024-11-13 14:18:38,782 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 14:18:38,783 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 9 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:38,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 272 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:18:38,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4798 states. [2024-11-13 14:18:38,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4798 to 4798. [2024-11-13 14:18:38,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4798 states, 4797 states have (on average 1.381488430268918) internal successors, (6627), 4797 states have internal predecessors, (6627), 0 states have call successors, (0), 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 14:18:38,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4798 states to 4798 states and 6627 transitions. [2024-11-13 14:18:38,961 INFO L78 Accepts]: Start accepts. Automaton has 4798 states and 6627 transitions. Word has length 299 [2024-11-13 14:18:38,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:38,961 INFO L471 AbstractCegarLoop]: Abstraction has 4798 states and 6627 transitions. [2024-11-13 14:18:38,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:18:38,962 INFO L276 IsEmpty]: Start isEmpty. Operand 4798 states and 6627 transitions. [2024-11-13 14:18:38,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-13 14:18:38,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:38,971 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 14:18:38,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 14:18:38,971 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:38,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:38,972 INFO L85 PathProgramCache]: Analyzing trace with hash 79256110, now seen corresponding path program 1 times [2024-11-13 14:18:38,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:38,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83460394] [2024-11-13 14:18:38,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:38,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:39,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2024-11-13 14:18:39,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:39,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83460394] [2024-11-13 14:18:39,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83460394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:39,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:39,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:39,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369488697] [2024-11-13 14:18:39,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:39,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:39,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:39,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:39,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:39,095 INFO L87 Difference]: Start difference. First operand 4798 states and 6627 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 14:18:39,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:39,308 INFO L93 Difference]: Finished difference Result 9994 states and 13816 transitions. [2024-11-13 14:18:39,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:39,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 322 [2024-11-13 14:18:39,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:39,324 INFO L225 Difference]: With dead ends: 9994 [2024-11-13 14:18:39,325 INFO L226 Difference]: Without dead ends: 5204 [2024-11-13 14:18:39,330 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 14:18:39,331 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 9 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:39,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 272 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:18:39,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5204 states. [2024-11-13 14:18:39,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5204 to 4398. [2024-11-13 14:18:39,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4398 states, 4397 states have (on average 1.3818512622242438) internal successors, (6076), 4397 states have internal predecessors, (6076), 0 states have call successors, (0), 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 14:18:39,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4398 states to 4398 states and 6076 transitions. [2024-11-13 14:18:39,449 INFO L78 Accepts]: Start accepts. Automaton has 4398 states and 6076 transitions. Word has length 322 [2024-11-13 14:18:39,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:39,450 INFO L471 AbstractCegarLoop]: Abstraction has 4398 states and 6076 transitions. [2024-11-13 14:18:39,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 14:18:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 4398 states and 6076 transitions. [2024-11-13 14:18:39,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-13 14:18:39,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:39,459 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-13 14:18:39,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 14:18:39,460 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:39,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:39,460 INFO L85 PathProgramCache]: Analyzing trace with hash -370135783, now seen corresponding path program 1 times [2024-11-13 14:18:39,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:39,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605156874] [2024-11-13 14:18:39,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:39,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 692 proven. 0 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2024-11-13 14:18:39,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:39,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605156874] [2024-11-13 14:18:39,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605156874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:39,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:39,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:39,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458161447] [2024-11-13 14:18:39,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:39,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:39,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:39,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:39,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:39,705 INFO L87 Difference]: Start difference. First operand 4398 states and 6076 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 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 14:18:39,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:39,845 INFO L93 Difference]: Finished difference Result 13164 states and 18183 transitions. [2024-11-13 14:18:39,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:39,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 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 354 [2024-11-13 14:18:39,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:39,865 INFO L225 Difference]: With dead ends: 13164 [2024-11-13 14:18:39,866 INFO L226 Difference]: Without dead ends: 8774 [2024-11-13 14:18:39,872 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 14:18:39,873 INFO L432 NwaCegarLoop]: 320 mSDtfsCounter, 125 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:39,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 486 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:18:39,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8774 states. [2024-11-13 14:18:40,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8774 to 8589. [2024-11-13 14:18:40,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8589 states, 8588 states have (on average 1.3844899860270143) internal successors, (11890), 8588 states have internal predecessors, (11890), 0 states have call successors, (0), 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 14:18:40,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8589 states to 8589 states and 11890 transitions. [2024-11-13 14:18:40,135 INFO L78 Accepts]: Start accepts. Automaton has 8589 states and 11890 transitions. Word has length 354 [2024-11-13 14:18:40,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:40,136 INFO L471 AbstractCegarLoop]: Abstraction has 8589 states and 11890 transitions. [2024-11-13 14:18:40,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 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 14:18:40,136 INFO L276 IsEmpty]: Start isEmpty. Operand 8589 states and 11890 transitions. [2024-11-13 14:18:40,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2024-11-13 14:18:40,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:40,151 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-13 14:18:40,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 14:18:40,152 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:40,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:40,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1027780607, now seen corresponding path program 1 times [2024-11-13 14:18:40,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:40,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157204587] [2024-11-13 14:18:40,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:40,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:40,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 871 proven. 26 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-13 14:18:40,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:40,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157204587] [2024-11-13 14:18:40,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157204587] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:18:40,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923688773] [2024-11-13 14:18:40,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:40,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:18:40,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:18:40,359 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:18:40,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:18:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:40,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:18:40,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:18:41,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 680 proven. 0 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2024-11-13 14:18:41,040 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:18:41,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923688773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:41,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:18:41,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-13 14:18:41,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810923954] [2024-11-13 14:18:41,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:41,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:41,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:41,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:41,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:18:41,043 INFO L87 Difference]: Start difference. First operand 8589 states and 11890 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 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 14:18:41,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:41,180 INFO L93 Difference]: Finished difference Result 10769 states and 14931 transitions. [2024-11-13 14:18:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:41,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 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 355 [2024-11-13 14:18:41,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:41,203 INFO L225 Difference]: With dead ends: 10769 [2024-11-13 14:18:41,203 INFO L226 Difference]: Without dead ends: 8544 [2024-11-13 14:18:41,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:18:41,208 INFO L432 NwaCegarLoop]: 320 mSDtfsCounter, 83 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:41,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 480 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:18:41,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8544 states. [2024-11-13 14:18:41,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8544 to 6150. [2024-11-13 14:18:41,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6150 states, 6149 states have (on average 1.3917710196779964) internal successors, (8558), 6149 states have internal predecessors, (8558), 0 states have call successors, (0), 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 14:18:41,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6150 states to 6150 states and 8558 transitions. [2024-11-13 14:18:41,456 INFO L78 Accepts]: Start accepts. Automaton has 6150 states and 8558 transitions. Word has length 355 [2024-11-13 14:18:41,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:41,457 INFO L471 AbstractCegarLoop]: Abstraction has 6150 states and 8558 transitions. [2024-11-13 14:18:41,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 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 14:18:41,457 INFO L276 IsEmpty]: Start isEmpty. Operand 6150 states and 8558 transitions. [2024-11-13 14:18:41,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2024-11-13 14:18:41,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:41,476 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:18:41,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 14:18:41,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 14:18:41,677 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:41,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:41,678 INFO L85 PathProgramCache]: Analyzing trace with hash -139235231, now seen corresponding path program 1 times [2024-11-13 14:18:41,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:41,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853670860] [2024-11-13 14:18:41,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:41,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 1251 proven. 26 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2024-11-13 14:18:41,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:41,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853670860] [2024-11-13 14:18:41,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853670860] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:18:41,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603555686] [2024-11-13 14:18:41,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:41,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:18:41,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:18:41,957 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:18:41,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:18:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:42,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:18:42,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:18:42,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 1251 proven. 26 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2024-11-13 14:18:42,277 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:18:42,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 1251 proven. 26 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2024-11-13 14:18:42,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603555686] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:18:42,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:18:42,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-13 14:18:42,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612371802] [2024-11-13 14:18:42,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:18:42,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:18:42,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:42,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:18:42,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:18:42,454 INFO L87 Difference]: Start difference. First operand 6150 states and 8558 transitions. Second operand has 6 states, 6 states have (on average 42.833333333333336) internal successors, (257), 6 states have internal predecessors, (257), 0 states have call successors, (0), 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 14:18:43,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:43,084 INFO L93 Difference]: Finished difference Result 13786 states and 19165 transitions. [2024-11-13 14:18:43,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:18:43,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 42.833333333333336) internal successors, (257), 6 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 417 [2024-11-13 14:18:43,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:43,102 INFO L225 Difference]: With dead ends: 13786 [2024-11-13 14:18:43,102 INFO L226 Difference]: Without dead ends: 7342 [2024-11-13 14:18:43,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 840 GetRequests, 834 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:18:43,110 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 408 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:43,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 478 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:18:43,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7342 states. [2024-11-13 14:18:43,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7342 to 6042. [2024-11-13 14:18:43,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6042 states, 6041 states have (on average 1.3663300778016885) internal successors, (8254), 6041 states have internal predecessors, (8254), 0 states have call successors, (0), 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 14:18:43,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6042 states to 6042 states and 8254 transitions. [2024-11-13 14:18:43,264 INFO L78 Accepts]: Start accepts. Automaton has 6042 states and 8254 transitions. Word has length 417 [2024-11-13 14:18:43,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:43,265 INFO L471 AbstractCegarLoop]: Abstraction has 6042 states and 8254 transitions. [2024-11-13 14:18:43,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 42.833333333333336) internal successors, (257), 6 states have internal predecessors, (257), 0 states have call successors, (0), 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 14:18:43,265 INFO L276 IsEmpty]: Start isEmpty. Operand 6042 states and 8254 transitions. [2024-11-13 14:18:43,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2024-11-13 14:18:43,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:43,282 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 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, 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 14:18:43,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 14:18:43,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:18:43,484 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:43,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:43,484 INFO L85 PathProgramCache]: Analyzing trace with hash -8965873, now seen corresponding path program 1 times [2024-11-13 14:18:43,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:43,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797286450] [2024-11-13 14:18:43,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:43,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3138 backedges. 1671 proven. 0 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2024-11-13 14:18:44,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:44,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797286450] [2024-11-13 14:18:44,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797286450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:44,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:44,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:44,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628241861] [2024-11-13 14:18:44,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:44,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:44,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:44,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:44,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:44,009 INFO L87 Difference]: Start difference. First operand 6042 states and 8254 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:18:44,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:44,223 INFO L93 Difference]: Finished difference Result 11070 states and 15186 transitions. [2024-11-13 14:18:44,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:44,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 509 [2024-11-13 14:18:44,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:44,239 INFO L225 Difference]: With dead ends: 11070 [2024-11-13 14:18:44,239 INFO L226 Difference]: Without dead ends: 6233 [2024-11-13 14:18:44,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 14:18:44,246 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 38 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:44,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 202 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:18:44,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6233 states. [2024-11-13 14:18:44,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6233 to 6233. [2024-11-13 14:18:44,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6233 states, 6232 states have (on average 1.366655969191271) internal successors, (8517), 6232 states have internal predecessors, (8517), 0 states have call successors, (0), 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 14:18:44,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6233 states to 6233 states and 8517 transitions. [2024-11-13 14:18:44,399 INFO L78 Accepts]: Start accepts. Automaton has 6233 states and 8517 transitions. Word has length 509 [2024-11-13 14:18:44,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:44,400 INFO L471 AbstractCegarLoop]: Abstraction has 6233 states and 8517 transitions. [2024-11-13 14:18:44,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:18:44,400 INFO L276 IsEmpty]: Start isEmpty. Operand 6233 states and 8517 transitions. [2024-11-13 14:18:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2024-11-13 14:18:44,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:44,419 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 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, 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 14:18:44,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 14:18:44,419 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:44,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:44,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1618349175, now seen corresponding path program 1 times [2024-11-13 14:18:44,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:44,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529038903] [2024-11-13 14:18:44,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:44,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:44,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3171 backedges. 1694 proven. 0 refuted. 0 times theorem prover too weak. 1477 trivial. 0 not checked. [2024-11-13 14:18:44,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:44,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529038903] [2024-11-13 14:18:44,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529038903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:44,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:44,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:18:44,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34515377] [2024-11-13 14:18:44,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:44,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:18:44,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:44,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:18:44,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:18:44,690 INFO L87 Difference]: Start difference. First operand 6233 states and 8517 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 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 14:18:44,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:44,905 INFO L93 Difference]: Finished difference Result 12345 states and 16806 transitions. [2024-11-13 14:18:44,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:18:44,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 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 511 [2024-11-13 14:18:44,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:44,918 INFO L225 Difference]: With dead ends: 12345 [2024-11-13 14:18:44,919 INFO L226 Difference]: Without dead ends: 6131 [2024-11-13 14:18:44,924 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 14:18:44,925 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 10 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:44,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 268 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:18:44,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2024-11-13 14:18:45,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6131. [2024-11-13 14:18:45,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6131 states, 6130 states have (on average 1.3386623164763458) internal successors, (8206), 6130 states have internal predecessors, (8206), 0 states have call successors, (0), 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 14:18:45,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6131 states to 6131 states and 8206 transitions. [2024-11-13 14:18:45,053 INFO L78 Accepts]: Start accepts. Automaton has 6131 states and 8206 transitions. Word has length 511 [2024-11-13 14:18:45,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:45,055 INFO L471 AbstractCegarLoop]: Abstraction has 6131 states and 8206 transitions. [2024-11-13 14:18:45,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 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 14:18:45,055 INFO L276 IsEmpty]: Start isEmpty. Operand 6131 states and 8206 transitions. [2024-11-13 14:18:45,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2024-11-13 14:18:45,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:45,066 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 16, 14, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 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, 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 14:18:45,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 14:18:45,067 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:45,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:45,067 INFO L85 PathProgramCache]: Analyzing trace with hash 318806533, now seen corresponding path program 1 times [2024-11-13 14:18:45,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:45,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395735136] [2024-11-13 14:18:45,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:45,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:45,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3204 backedges. 1744 proven. 206 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2024-11-13 14:18:45,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:45,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395735136] [2024-11-13 14:18:45,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395735136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:18:45,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181816650] [2024-11-13 14:18:45,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:45,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:18:45,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:18:45,718 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:18:45,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 14:18:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:45,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:18:46,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:18:48,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3204 backedges. 1792 proven. 239 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2024-11-13 14:18:48,032 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:18:49,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3204 backedges. 1887 proven. 144 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2024-11-13 14:18:49,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181816650] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:18:49,730 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:18:49,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-13 14:18:49,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157266914] [2024-11-13 14:18:49,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:18:49,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 14:18:49,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:49,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 14:18:49,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:18:49,733 INFO L87 Difference]: Start difference. First operand 6131 states and 8206 transitions. Second operand has 11 states, 11 states have (on average 38.0) internal successors, (418), 11 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:18:52,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:52,594 INFO L93 Difference]: Finished difference Result 24696 states and 32997 transitions. [2024-11-13 14:18:52,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 14:18:52,595 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 38.0) internal successors, (418), 11 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 513 [2024-11-13 14:18:52,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:52,635 INFO L225 Difference]: With dead ends: 24696 [2024-11-13 14:18:52,635 INFO L226 Difference]: Without dead ends: 18519 [2024-11-13 14:18:52,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1055 GetRequests, 1033 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2024-11-13 14:18:52,648 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 872 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 1867 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 872 SdHoareTripleChecker+Valid, 1453 SdHoareTripleChecker+Invalid, 2018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 1867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:52,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [872 Valid, 1453 Invalid, 2018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 1867 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-13 14:18:52,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18519 states. [2024-11-13 14:18:53,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18519 to 17921. [2024-11-13 14:18:53,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17921 states, 17920 states have (on average 1.2995535714285715) internal successors, (23288), 17920 states have internal predecessors, (23288), 0 states have call successors, (0), 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 14:18:53,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17921 states to 17921 states and 23288 transitions. [2024-11-13 14:18:53,139 INFO L78 Accepts]: Start accepts. Automaton has 17921 states and 23288 transitions. Word has length 513 [2024-11-13 14:18:53,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:53,142 INFO L471 AbstractCegarLoop]: Abstraction has 17921 states and 23288 transitions. [2024-11-13 14:18:53,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 38.0) internal successors, (418), 11 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:18:53,142 INFO L276 IsEmpty]: Start isEmpty. Operand 17921 states and 23288 transitions. [2024-11-13 14:18:53,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2024-11-13 14:18:53,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:53,186 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 18, 16, 16, 14, 14, 12, 12, 10, 10, 10, 10, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:18:53,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 14:18:53,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:18:53,387 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:53,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:53,387 INFO L85 PathProgramCache]: Analyzing trace with hash 2132946464, now seen corresponding path program 2 times [2024-11-13 14:18:53,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:53,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075644211] [2024-11-13 14:18:53,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:53,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:53,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4078 backedges. 1321 proven. 16 refuted. 0 times theorem prover too weak. 2741 trivial. 0 not checked. [2024-11-13 14:18:53,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:53,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075644211] [2024-11-13 14:18:53,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075644211] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:18:53,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872641265] [2024-11-13 14:18:53,666 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:18:53,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:18:53,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:18:53,720 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:18:53,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 14:18:53,953 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 14:18:53,954 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:18:53,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:18:53,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:18:54,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4078 backedges. 1321 proven. 16 refuted. 0 times theorem prover too weak. 2741 trivial. 0 not checked. [2024-11-13 14:18:54,058 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:18:54,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4078 backedges. 1321 proven. 16 refuted. 0 times theorem prover too weak. 2741 trivial. 0 not checked. [2024-11-13 14:18:54,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872641265] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:18:54,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:18:54,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-13 14:18:54,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890621036] [2024-11-13 14:18:54,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:18:54,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:18:54,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:54,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:18:54,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:18:54,168 INFO L87 Difference]: Start difference. First operand 17921 states and 23288 transitions. Second operand has 8 states, 8 states have (on average 34.25) internal successors, (274), 8 states have internal predecessors, (274), 0 states have call successors, (0), 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 14:18:54,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:54,979 INFO L93 Difference]: Finished difference Result 26159 states and 33857 transitions. [2024-11-13 14:18:54,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 14:18:54,979 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 34.25) internal successors, (274), 8 states have internal predecessors, (274), 0 states have call successors, (0), 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 583 [2024-11-13 14:18:54,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:54,981 INFO L225 Difference]: With dead ends: 26159 [2024-11-13 14:18:54,981 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 14:18:54,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1176 GetRequests, 1166 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:18:54,992 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 219 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:54,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 1019 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:18:54,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 14:18:54,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 14:18:54,993 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 14:18:54,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 14:18:54,994 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 583 [2024-11-13 14:18:54,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:54,994 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:18:54,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 34.25) internal successors, (274), 8 states have internal predecessors, (274), 0 states have call successors, (0), 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 14:18:54,995 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 14:18:54,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 14:18:54,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:18:55,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 14:18:55,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:18:55,202 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:18:55,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 14:19:04,542 WARN L286 SmtUtils]: Spent 9.33s on a formula simplification. DAG size of input: 702 DAG size of output: 517 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-13 14:19:09,304 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:19:09,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:19:09 BoogieIcfgContainer [2024-11-13 14:19:09,362 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:19:09,363 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:19:09,363 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:19:09,363 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:19:09,364 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:18:30" (3/4) ... [2024-11-13 14:19:09,366 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 14:19:09,390 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-13 14:19:09,390 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 14:19:09,391 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 14:19:09,392 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:19:09,541 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:19:09,542 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 14:19:09,542 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:19:09,543 INFO L158 Benchmark]: Toolchain (without parser) took 40738.93ms. Allocated memory was 142.6MB in the beginning and 679.5MB in the end (delta: 536.9MB). Free memory was 119.1MB in the beginning and 409.8MB in the end (delta: -290.7MB). Peak memory consumption was 244.2MB. Max. memory is 16.1GB. [2024-11-13 14:19:09,543 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:19:09,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.49ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 103.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:19:09,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.17ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 100.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:19:09,544 INFO L158 Benchmark]: Boogie Preprocessor took 46.92ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 97.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:19:09,545 INFO L158 Benchmark]: RCFGBuilder took 950.39ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 60.8MB in the end (delta: 37.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 14:19:09,545 INFO L158 Benchmark]: TraceAbstraction took 39000.84ms. Allocated memory was 142.6MB in the beginning and 679.5MB in the end (delta: 536.9MB). Free memory was 60.3MB in the beginning and 422.4MB in the end (delta: -362.1MB). Peak memory consumption was 400.9MB. Max. memory is 16.1GB. [2024-11-13 14:19:09,546 INFO L158 Benchmark]: Witness Printer took 178.75ms. Allocated memory is still 679.5MB. Free memory was 422.4MB in the beginning and 409.8MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:19:09,547 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 471.49ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 103.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.17ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 100.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.92ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 97.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 950.39ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 60.8MB in the end (delta: 37.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 39000.84ms. Allocated memory was 142.6MB in the beginning and 679.5MB in the end (delta: 536.9MB). Free memory was 60.3MB in the beginning and 422.4MB in the end (delta: -362.1MB). Peak memory consumption was 400.9MB. Max. memory is 16.1GB. * Witness Printer took 178.75ms. Allocated memory is still 679.5MB. Free memory was 422.4MB in the beginning and 409.8MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 679]: 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, 138 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.8s, OverallIterations: 23, TraceHistogramMax: 21, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2824 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2824 mSDsluCounter, 10648 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5242 mSDsCounter, 460 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5382 IncrementalHoareTripleChecker+Invalid, 5842 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 460 mSolverCounterUnsat, 5406 mSDtfsCounter, 5382 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3999 GetRequests, 3933 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17921occurred in iteration=22, InterpolantAutomatonStates: 104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 23 MinimizatonAttempts, 6713 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 8185 NumberOfCodeBlocks, 8185 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 9919 ConstructedInterpolants, 0 QuantifiedInterpolants, 19897 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3351 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 32 InterpolantComputations, 19 PerfectInterpolantSequences, 44528/45317 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: 111]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4328) || (1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)))) && (8466 == s__state)) && (2 == blastFlag)) && (8497 <= s__s3__tmp__next_state___0)) && (s__s3__tmp__next_state___0 <= 8576)) || ((((((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4328) || (1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)))) && (blastFlag == 1)) && (s__state <= 8448)) && (8497 <= s__s3__tmp__next_state___0)) && (s__s3__tmp__next_state___0 <= 8576))) || ((blastFlag == 1) && ((1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648))) || (((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4249)))) || ((((((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4328) || (1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)))) && (8673 != s__state)) && (3 == blastFlag)) && (s__s3__tmp__next_state___0 <= 8576)) && (8656 <= s__state))) || (((((2 == blastFlag) && (8497 <= s__s3__tmp__next_state___0)) && ((((((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) / 2147483648) : ((((long long) ag_X + ag_Y) / 2147483648) - 1)) * 4294967296) + s__state) + 4294967296) == (((long long) 2 * ag_X) + ((long long) 2 * ag_Y))) && (1073741824 <= ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)))) || (((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) / 2147483648) : ((((long long) ag_X + ag_Y) / 2147483648) - 1)) * 4294967296) + s__state) == (((long long) 2 * ag_X) + ((long long) 2 * ag_Y))))) && (s__s3__tmp__next_state___0 <= 8576)) && (s__state <= 8655))) || ((((3 == blastFlag) && (8640 <= s__s3__tmp__next_state___0)) && (8640 <= s__state)) && (0 != s__hit))) || ((((s__s3__tmp__next_state___0 <= 8495) && (s__state <= 8496)) && (2 == blastFlag)) && ((((((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) / 2147483648) : ((((long long) ag_X + ag_Y) / 2147483648) - 1)) * 4294967296) + s__state) + 4294967296) == (((long long) 2 * ag_X) + ((long long) 2 * ag_Y))) && (1073741824 <= ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)))) || (((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) / 2147483648) : ((((long long) ag_X + ag_Y) / 2147483648) - 1)) * 4294967296) + s__state) == (((long long) 2 * ag_X) + ((long long) 2 * ag_Y)))))) || ((2 == blastFlag) && (0 != s__hit))) || ((((((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4328) || (1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)))) && (2 == blastFlag)) && (8640 <= s__state)) && (s__s3__tmp__next_state___0 <= 8576)) && (s__state <= 8655))) || ((((((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4328) || (1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)))) && (2 == blastFlag)) && (s__state <= 8448)) && (8497 <= s__s3__tmp__next_state___0)) && (s__s3__tmp__next_state___0 <= 8576))) || ((((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4328) || (1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)))) && (2 == blastFlag)) && (8544 == s__state))) || (((blastFlag == 1) && (s__state <= 8448)) && (3 == s__s3__tmp__next_state___0))) || ((((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4328) || (1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)))) && (8466 == s__state)) && (blastFlag == 1))) || (((((((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4328) || (1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)))) && (2 == blastFlag)) && (8497 <= s__s3__tmp__next_state___0)) && (8497 <= s__state)) && (s__s3__tmp__next_state___0 <= 8576)) && (s__state <= 8576))) || ((((8673 != s__state) && (3 == blastFlag)) && (0 != s__hit)) && (8656 <= s__state))) || (((((((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4328) || (1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)))) && (2 == blastFlag)) && (8497 <= s__s3__tmp__next_state___0)) && (8512 <= s__state)) && (s__s3__tmp__next_state___0 <= 8576)) && (s__state <= 8655))) || (((s__state == 8528) && ((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4328) || (1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648))))) && (2 == blastFlag))) || ((((s__s3__tmp__next_state___0 <= 8495) && (2 == blastFlag)) && (s__state <= 8495)) && ((1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648))) || (((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4249)))) || ((((3 == blastFlag) && (8640 <= s__s3__tmp__next_state___0)) && (s__state <= 8448)) && (0 != s__hit))) || (((((((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4328) || (1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)))) && (8673 != s__state)) && (2 == blastFlag)) && (s__state != 8672)) && (s__s3__tmp__next_state___0 <= 8576)) && (8656 <= s__state))) || (((((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4328) || (1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)))) && (blastFlag == 1)) && (8512 <= s__state)) && (s__state <= 8655))) || ((blastFlag == 1) && (((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) / 2147483648) : ((((long long) ag_X + ag_Y) / 2147483648) - 1)) * 4294967296) + s__state) == (((long long) 2 * ag_X) + ((long long) 2 * ag_Y))))) || ((blastFlag == 1) && (0 != s__hit))) || ((((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4328) || (1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)))) && (2 == blastFlag)) && (8560 == s__state))) || ((((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4328) || (1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)))) && (2 == blastFlag)) && (s__state == 8512))) || (blastFlag == 0)) || (((((((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4328) || (1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)))) && (blastFlag == 1)) && (8497 <= s__s3__tmp__next_state___0)) && (8497 <= s__state)) && (s__s3__tmp__next_state___0 <= 8576)) && (s__state <= 8576))) || (((8673 != s__state) && (blastFlag == 1)) && (8656 <= s__state))) || ((((((((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)) < 4328) || (1073741823 < ((((long long) ag_X + ag_Y) >= 0) ? (((long long) ag_X + ag_Y) % 2147483648) : ((((long long) ag_X + ag_Y) % 2147483648) + 2147483648)))) && (3 == blastFlag)) && (s__state <= 8448)) && (3 == s__s3__tmp__next_state___0)) && (0 == s__hit))) RESULT: Ultimate proved your program to be correct! [2024-11-13 14:19:09,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d67c695-4554-4802-946b-1d362288942f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE