./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4f3973-dd3a-448b-86e4-42eeccc8d760/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4f3973-dd3a-448b-86e4-42eeccc8d760/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4f3973-dd3a-448b-86e4-42eeccc8d760/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4f3973-dd3a-448b-86e4-42eeccc8d760/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4f3973-dd3a-448b-86e4-42eeccc8d760/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4f3973-dd3a-448b-86e4-42eeccc8d760/bin/uautomizer-verify-aQ6SnzHsRB --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 64bit --witnessprinter.graph.data.programhash 1c9aac6cfa1bfcf8204210d24810420e30c6345ae044a2937a34994151a10bbc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:30:18,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:30:18,371 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4f3973-dd3a-448b-86e4-42eeccc8d760/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:30:18,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:30:18,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:30:18,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:30:18,413 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:30:18,413 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:30:18,413 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:30:18,414 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:30:18,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:30:18,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:30:18,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:30:18,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:30:18,414 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:30:18,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:30:18,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:30:18,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:30:18,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:30:18,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:30:18,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:30:18,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:30:18,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:30:18,416 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:30:18,416 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:30:18,416 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:30:18,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:30:18,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:30:18,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:30:18,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:18,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:30:18,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:30:18,417 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:30:18,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:30:18,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:18,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:30:18,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:30:18,418 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:30:18,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:30:18,418 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:30:18,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:30:18,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:30:18,419 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:30:18,419 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:30:18,419 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:30:18,419 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_ba4f3973-dd3a-448b-86e4-42eeccc8d760/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c9aac6cfa1bfcf8204210d24810420e30c6345ae044a2937a34994151a10bbc [2024-11-28 04:30:18,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:30:18,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:30:18,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:30:18,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:30:18,850 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:30:18,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4f3973-dd3a-448b-86e4-42eeccc8d760/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.1.prop1-func-interl.c [2024-11-28 04:30:22,432 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4f3973-dd3a-448b-86e4-42eeccc8d760/bin/uautomizer-verify-aQ6SnzHsRB/data/11f96d927/a4208f922d084652ba85cc670ad4961c/FLAG667cd3ed3 [2024-11-28 04:30:23,344 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:30:23,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4f3973-dd3a-448b-86e4-42eeccc8d760/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.1.prop1-func-interl.c [2024-11-28 04:30:23,416 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4f3973-dd3a-448b-86e4-42eeccc8d760/bin/uautomizer-verify-aQ6SnzHsRB/data/11f96d927/a4208f922d084652ba85cc670ad4961c/FLAG667cd3ed3 [2024-11-28 04:30:23,448 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4f3973-dd3a-448b-86e4-42eeccc8d760/bin/uautomizer-verify-aQ6SnzHsRB/data/11f96d927/a4208f922d084652ba85cc670ad4961c [2024-11-28 04:30:23,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:30:23,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:30:23,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:30:23,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:30:23,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:30:23,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:30:23" (1/1) ... [2024-11-28 04:30:23,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d67ae78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:23, skipping insertion in model container [2024-11-28 04:30:23,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:30:23" (1/1) ... [2024-11-28 04:30:23,655 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:30:24,049 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_ba4f3973-dd3a-448b-86e4-42eeccc8d760/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.1.prop1-func-interl.c[1174,1187] [2024-11-28 04:30:25,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:30:25,334 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:30:25,345 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_ba4f3973-dd3a-448b-86e4-42eeccc8d760/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.1.prop1-func-interl.c[1174,1187] [2024-11-28 04:30:26,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:30:26,136 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:30:26,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26 WrapperNode [2024-11-28 04:30:26,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:30:26,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:30:26,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:30:26,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:30:26,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:26,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:28,792 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26321 [2024-11-28 04:30:28,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:30:28,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:30:28,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:30:28,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:30:28,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:28,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:29,458 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:30,134 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]. [2024-11-28 04:30:30,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:30,134 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:31,107 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:31,155 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:31,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:31,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:31,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:32,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:30:32,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:30:32,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:30:32,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:30:32,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:32,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:32,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4f3973-dd3a-448b-86e4-42eeccc8d760/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:32,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4f3973-dd3a-448b-86e4-42eeccc8d760/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:30:32,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba4f3973-dd3a-448b-86e4-42eeccc8d760/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:30:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:30:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:30:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:30:32,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:30:34,404 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:30:34,406 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:32:04,160 INFO L? ?]: Removed 15217 outVars from TransFormulas that were not future-live. [2024-11-28 04:32:04,161 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:32:04,362 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:32:04,363 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:32:04,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:04 BoogieIcfgContainer [2024-11-28 04:32:04,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:32:04,366 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:32:04,366 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:32:04,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:32:04,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:30:23" (1/3) ... [2024-11-28 04:32:04,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5474a78d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:32:04, skipping insertion in model container [2024-11-28 04:32:04,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (2/3) ... [2024-11-28 04:32:04,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5474a78d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:32:04, skipping insertion in model container [2024-11-28 04:32:04,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:04" (3/3) ... [2024-11-28 04:32:04,377 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.synapse.1.prop1-func-interl.c [2024-11-28 04:32:04,398 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:32:04,402 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.synapse.1.prop1-func-interl.c that has 1 procedures, 9131 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:32:04,698 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:32:04,715 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;@ab2a7b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:32:04,717 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:32:04,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 9131 states, 9129 states have (on average 1.5011501807426881) internal successors, (13704), 9130 states have internal predecessors, (13704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:04,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2024-11-28 04:32:04,803 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:04,804 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:04,805 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:32:04,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:04,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1519651381, now seen corresponding path program 1 times [2024-11-28 04:32:04,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:04,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054403101] [2024-11-28 04:32:04,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:04,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:08,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:08,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054403101] [2024-11-28 04:32:08,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054403101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:08,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:08,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:32:08,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590147805] [2024-11-28 04:32:08,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:08,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:32:08,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:08,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:32:08,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:32:08,469 INFO L87 Difference]: Start difference. First operand has 9131 states, 9129 states have (on average 1.5011501807426881) internal successors, (13704), 9130 states have internal predecessors, (13704), 0 states have call successors, (0), 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 5 states, 5 states have (on average 76.6) internal successors, (383), 5 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:25,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:25,155 INFO L93 Difference]: Finished difference Result 26875 states and 40342 transitions. [2024-11-28 04:32:25,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:32:25,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 76.6) internal successors, (383), 5 states have internal predecessors, (383), 0 states have call successors, (0), 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 383 [2024-11-28 04:32:25,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:25,261 INFO L225 Difference]: With dead ends: 26875 [2024-11-28 04:32:25,261 INFO L226 Difference]: Without dead ends: 17994 [2024-11-28 04:32:25,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:32:25,285 INFO L435 NwaCegarLoop]: 10679 mSDtfsCounter, 13307 mSDsluCounter, 31844 mSDsCounter, 0 mSdLazyCounter, 11904 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13307 SdHoareTripleChecker+Valid, 42523 SdHoareTripleChecker+Invalid, 11905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:25,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13307 Valid, 42523 Invalid, 11905 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 11904 Invalid, 0 Unknown, 0 Unchecked, 15.7s Time] [2024-11-28 04:32:25,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17994 states. [2024-11-28 04:32:25,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17994 to 9627. [2024-11-28 04:32:25,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9627 states, 9626 states have (on average 1.5008310824849367) internal successors, (14447), 9626 states have internal predecessors, (14447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:25,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9627 states to 9627 states and 14447 transitions. [2024-11-28 04:32:25,785 INFO L78 Accepts]: Start accepts. Automaton has 9627 states and 14447 transitions. Word has length 383 [2024-11-28 04:32:25,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:25,787 INFO L471 AbstractCegarLoop]: Abstraction has 9627 states and 14447 transitions. [2024-11-28 04:32:25,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 76.6) internal successors, (383), 5 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:25,788 INFO L276 IsEmpty]: Start isEmpty. Operand 9627 states and 14447 transitions. [2024-11-28 04:32:25,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2024-11-28 04:32:25,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:25,797 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:25,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:32:25,797 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:32:25,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:25,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1669204626, now seen corresponding path program 1 times [2024-11-28 04:32:25,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:25,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932299875] [2024-11-28 04:32:25,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:25,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:27,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:27,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:27,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932299875] [2024-11-28 04:32:27,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932299875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:27,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:27,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:32:27,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488908034] [2024-11-28 04:32:27,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:27,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:32:27,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:27,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:32:27,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:32:27,867 INFO L87 Difference]: Start difference. First operand 9627 states and 14447 transitions. Second operand has 4 states, 4 states have (on average 96.25) internal successors, (385), 4 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:28,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:28,124 INFO L93 Difference]: Finished difference Result 9631 states and 14451 transitions. [2024-11-28 04:32:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:32:28,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 96.25) internal successors, (385), 4 states have internal predecessors, (385), 0 states have call successors, (0), 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 385 [2024-11-28 04:32:28,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:28,160 INFO L225 Difference]: With dead ends: 9631 [2024-11-28 04:32:28,160 INFO L226 Difference]: Without dead ends: 9629 [2024-11-28 04:32:28,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:32:28,166 INFO L435 NwaCegarLoop]: 13698 mSDtfsCounter, 0 mSDsluCounter, 27390 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 41088 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:28,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 41088 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:28,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9629 states. [2024-11-28 04:32:28,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9629 to 9629. [2024-11-28 04:32:28,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9629 states, 9628 states have (on average 1.5007270461154965) internal successors, (14449), 9628 states have internal predecessors, (14449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:28,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9629 states to 9629 states and 14449 transitions. [2024-11-28 04:32:28,399 INFO L78 Accepts]: Start accepts. Automaton has 9629 states and 14449 transitions. Word has length 385 [2024-11-28 04:32:28,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:28,402 INFO L471 AbstractCegarLoop]: Abstraction has 9629 states and 14449 transitions. [2024-11-28 04:32:28,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.25) internal successors, (385), 4 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:28,403 INFO L276 IsEmpty]: Start isEmpty. Operand 9629 states and 14449 transitions. [2024-11-28 04:32:28,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2024-11-28 04:32:28,411 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:28,412 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:28,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:32:28,412 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:32:28,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:28,413 INFO L85 PathProgramCache]: Analyzing trace with hash 207433464, now seen corresponding path program 1 times [2024-11-28 04:32:28,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:28,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801537651] [2024-11-28 04:32:28,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:28,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:29,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:29,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:29,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801537651] [2024-11-28 04:32:29,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801537651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:29,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:29,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:32:29,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820299610] [2024-11-28 04:32:29,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:29,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:32:29,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:29,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:32:29,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:32:29,819 INFO L87 Difference]: Start difference. First operand 9629 states and 14449 transitions. Second operand has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:30,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:30,091 INFO L93 Difference]: Finished difference Result 18511 states and 27780 transitions. [2024-11-28 04:32:30,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:32:30,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 0 states have call successors, (0), 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 386 [2024-11-28 04:32:30,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:30,131 INFO L225 Difference]: With dead ends: 18511 [2024-11-28 04:32:30,131 INFO L226 Difference]: Without dead ends: 9631 [2024-11-28 04:32:30,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:32:30,147 INFO L435 NwaCegarLoop]: 13698 mSDtfsCounter, 0 mSDsluCounter, 27386 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 41084 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:30,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 41084 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:30,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9631 states. [2024-11-28 04:32:30,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9631 to 9631. [2024-11-28 04:32:30,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9631 states, 9630 states have (on average 1.5006230529595015) internal successors, (14451), 9630 states have internal predecessors, (14451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:30,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9631 states to 9631 states and 14451 transitions. [2024-11-28 04:32:30,386 INFO L78 Accepts]: Start accepts. Automaton has 9631 states and 14451 transitions. Word has length 386 [2024-11-28 04:32:30,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:30,387 INFO L471 AbstractCegarLoop]: Abstraction has 9631 states and 14451 transitions. [2024-11-28 04:32:30,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:30,387 INFO L276 IsEmpty]: Start isEmpty. Operand 9631 states and 14451 transitions. [2024-11-28 04:32:30,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2024-11-28 04:32:30,402 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:30,402 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:30,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:32:30,403 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:32:30,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:30,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1037506603, now seen corresponding path program 1 times [2024-11-28 04:32:30,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:30,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515864659] [2024-11-28 04:32:30,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:30,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:31,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:31,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:31,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515864659] [2024-11-28 04:32:31,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515864659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:31,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:31,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:32:31,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473334768] [2024-11-28 04:32:31,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:31,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:32:31,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:31,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:32:31,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:32:31,747 INFO L87 Difference]: Start difference. First operand 9631 states and 14451 transitions. Second operand has 6 states, 6 states have (on average 64.5) internal successors, (387), 6 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:32,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:32,270 INFO L93 Difference]: Finished difference Result 26054 states and 39101 transitions. [2024-11-28 04:32:32,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:32:32,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 64.5) internal successors, (387), 6 states have internal predecessors, (387), 0 states have call successors, (0), 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 387 [2024-11-28 04:32:32,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:32,315 INFO L225 Difference]: With dead ends: 26054 [2024-11-28 04:32:32,315 INFO L226 Difference]: Without dead ends: 17172 [2024-11-28 04:32:32,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:32:32,331 INFO L435 NwaCegarLoop]: 13692 mSDtfsCounter, 12066 mSDsluCounter, 40701 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12066 SdHoareTripleChecker+Valid, 54393 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:32,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12066 Valid, 54393 Invalid, 39 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:32,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17172 states. [2024-11-28 04:32:32,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17172 to 9634. [2024-11-28 04:32:32,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9634 states, 9633 states have (on average 1.5004671441918405) internal successors, (14454), 9633 states have internal predecessors, (14454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:32,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9634 states to 9634 states and 14454 transitions. [2024-11-28 04:32:32,602 INFO L78 Accepts]: Start accepts. Automaton has 9634 states and 14454 transitions. Word has length 387 [2024-11-28 04:32:32,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:32,603 INFO L471 AbstractCegarLoop]: Abstraction has 9634 states and 14454 transitions. [2024-11-28 04:32:32,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 64.5) internal successors, (387), 6 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:32,604 INFO L276 IsEmpty]: Start isEmpty. Operand 9634 states and 14454 transitions. [2024-11-28 04:32:32,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4795 [2024-11-28 04:32:32,916 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:32,919 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:32,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:32:32,920 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:32:32,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:32,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1997563469, now seen corresponding path program 1 times [2024-11-28 04:32:32,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:32,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098091780] [2024-11-28 04:32:32,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:32,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:05,003 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:33:05,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:05,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098091780] [2024-11-28 04:33:05,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098091780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:05,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:05,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:33:05,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088553415] [2024-11-28 04:33:05,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:05,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:33:05,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:05,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:33:05,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:33:05,018 INFO L87 Difference]: Start difference. First operand 9634 states and 14454 transitions. Second operand has 4 states, 4 states have (on average 1198.5) internal successors, (4794), 4 states have internal predecessors, (4794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:09,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:13,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:17,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:21,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:21,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:21,584 INFO L93 Difference]: Finished difference Result 18516 states and 27784 transitions. [2024-11-28 04:33:21,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:33:21,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1198.5) internal successors, (4794), 4 states have internal predecessors, (4794), 0 states have call successors, (0), 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 4794 [2024-11-28 04:33:21,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:21,611 INFO L225 Difference]: With dead ends: 18516 [2024-11-28 04:33:21,611 INFO L226 Difference]: Without dead ends: 9634 [2024-11-28 04:33:21,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:33:21,624 INFO L435 NwaCegarLoop]: 13684 mSDtfsCounter, 13316 mSDsluCounter, 13682 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13316 SdHoareTripleChecker+Valid, 27366 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:21,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13316 Valid, 27366 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 4 Unknown, 0 Unchecked, 16.4s Time] [2024-11-28 04:33:21,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9634 states. [2024-11-28 04:33:22,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9634 to 9634. [2024-11-28 04:33:22,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9634 states, 9633 states have (on average 1.5003633343714315) internal successors, (14453), 9633 states have internal predecessors, (14453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:22,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9634 states to 9634 states and 14453 transitions. [2024-11-28 04:33:22,139 INFO L78 Accepts]: Start accepts. Automaton has 9634 states and 14453 transitions. Word has length 4794 [2024-11-28 04:33:22,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:22,141 INFO L471 AbstractCegarLoop]: Abstraction has 9634 states and 14453 transitions. [2024-11-28 04:33:22,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1198.5) internal successors, (4794), 4 states have internal predecessors, (4794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:22,143 INFO L276 IsEmpty]: Start isEmpty. Operand 9634 states and 14453 transitions. [2024-11-28 04:33:22,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4796 [2024-11-28 04:33:22,335 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:22,338 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:33:22,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:33:22,339 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:22,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:22,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1858466859, now seen corresponding path program 1 times [2024-11-28 04:33:22,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:22,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448687159] [2024-11-28 04:33:22,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:22,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:33:44,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:44,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448687159] [2024-11-28 04:33:44,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448687159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:44,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:44,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:33:44,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337490574] [2024-11-28 04:33:44,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:44,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:33:44,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:44,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:33:44,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:33:44,234 INFO L87 Difference]: Start difference. First operand 9634 states and 14453 transitions. Second operand has 4 states, 4 states have (on average 1198.75) internal successors, (4795), 4 states have internal predecessors, (4795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:48,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:52,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:56,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:57,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:57,412 INFO L93 Difference]: Finished difference Result 18516 states and 27782 transitions. [2024-11-28 04:33:57,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:33:57,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1198.75) internal successors, (4795), 4 states have internal predecessors, (4795), 0 states have call successors, (0), 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 4795 [2024-11-28 04:33:57,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:57,441 INFO L225 Difference]: With dead ends: 18516 [2024-11-28 04:33:57,442 INFO L226 Difference]: Without dead ends: 9634 [2024-11-28 04:33:57,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:33:57,453 INFO L435 NwaCegarLoop]: 13683 mSDtfsCounter, 13312 mSDsluCounter, 13681 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13312 SdHoareTripleChecker+Valid, 27364 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:57,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13312 Valid, 27364 Invalid, 29 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2024-11-28 04:33:57,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9634 states. [2024-11-28 04:33:57,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9634 to 9634. [2024-11-28 04:33:57,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9634 states, 9633 states have (on average 1.5002595245510226) internal successors, (14452), 9633 states have internal predecessors, (14452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9634 states to 9634 states and 14452 transitions. [2024-11-28 04:33:57,689 INFO L78 Accepts]: Start accepts. Automaton has 9634 states and 14452 transitions. Word has length 4795 [2024-11-28 04:33:57,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:57,691 INFO L471 AbstractCegarLoop]: Abstraction has 9634 states and 14452 transitions. [2024-11-28 04:33:57,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1198.75) internal successors, (4795), 4 states have internal predecessors, (4795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:57,694 INFO L276 IsEmpty]: Start isEmpty. Operand 9634 states and 14452 transitions. [2024-11-28 04:33:58,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4797 [2024-11-28 04:33:58,116 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:58,120 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:58,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:58,127 INFO L85 PathProgramCache]: Analyzing trace with hash -928121505, now seen corresponding path program 1 times [2024-11-28 04:33:58,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:58,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474170277] [2024-11-28 04:33:58,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:58,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms