./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop.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_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/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_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/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_5dda6513-aa58-4203-859c-9af02f0fc22d/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 8bae34b88b69e395b0952f9a7e7405cfa96e2c3307dff9bcbb01737f33e4d41e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:24:36,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:24:36,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 20:24:36,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:24:36,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:24:36,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:24:36,636 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:24:36,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:24:36,637 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:24:36,637 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:24:36,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:24:36,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:24:36,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:24:36,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:24:36,638 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:24:36,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:24:36,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:24:36,639 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:24:36,639 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:24:36,639 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:24:36,639 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:24:36,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:24:36,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:24:36,640 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:24:36,640 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:24:36,640 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:24:36,640 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:24:36,640 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:24:36,640 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:24:36,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:24:36,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:24:36,641 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:24:36,641 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:24:36,641 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:24:36,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:24:36,641 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:24:36,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:24:36,642 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:24:36,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:24:36,642 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:24:36,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:24:36,642 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:24:36,642 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:24:36,642 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:24:36,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:24:36,642 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_5dda6513-aa58-4203-859c-9af02f0fc22d/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 -> 8bae34b88b69e395b0952f9a7e7405cfa96e2c3307dff9bcbb01737f33e4d41e [2024-11-27 20:24:36,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:24:36,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:24:37,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:24:37,005 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:24:37,006 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:24:37,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop.c [2024-11-27 20:24:39,989 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/data/3b321a2fc/ea5c5ededff6476ba23234a43d4b2727/FLAG8218c239f [2024-11-27 20:24:40,362 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:24:40,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop.c [2024-11-27 20:24:40,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/data/3b321a2fc/ea5c5ededff6476ba23234a43d4b2727/FLAG8218c239f [2024-11-27 20:24:40,555 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/data/3b321a2fc/ea5c5ededff6476ba23234a43d4b2727 [2024-11-27 20:24:40,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:24:40,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:24:40,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:24:40,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:24:40,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:24:40,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:24:40" (1/1) ... [2024-11-27 20:24:40,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76ee300a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:40, skipping insertion in model container [2024-11-27 20:24:40,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:24:40" (1/1) ... [2024-11-27 20:24:40,623 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:24:40,776 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_5dda6513-aa58-4203-859c-9af02f0fc22d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop.c[1247,1260] [2024-11-27 20:24:40,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:24:40,954 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:24:40,965 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_5dda6513-aa58-4203-859c-9af02f0fc22d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop.c[1247,1260] [2024-11-27 20:24:41,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:24:41,097 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:24:41,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:41 WrapperNode [2024-11-27 20:24:41,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:24:41,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:24:41,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:24:41,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:24:41,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:41" (1/1) ... [2024-11-27 20:24:41,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:41" (1/1) ... [2024-11-27 20:24:41,276 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1012 [2024-11-27 20:24:41,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:24:41,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:24:41,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:24:41,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:24:41,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:41" (1/1) ... [2024-11-27 20:24:41,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:41" (1/1) ... [2024-11-27 20:24:41,323 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:41" (1/1) ... [2024-11-27 20:24:41,376 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]. [2024-11-27 20:24:41,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:41" (1/1) ... [2024-11-27 20:24:41,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:41" (1/1) ... [2024-11-27 20:24:41,465 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:41" (1/1) ... [2024-11-27 20:24:41,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:41" (1/1) ... [2024-11-27 20:24:41,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:41" (1/1) ... [2024-11-27 20:24:41,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:41" (1/1) ... [2024-11-27 20:24:41,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:41" (1/1) ... [2024-11-27 20:24:41,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:24:41,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:24:41,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:24:41,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:24:41,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:41" (1/1) ... [2024-11-27 20:24:41,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:24:41,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:24:41,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:24:41,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:24:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:24:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:24:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:24:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:24:41,833 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:24:41,835 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:24:43,651 INFO L? ?]: Removed 647 outVars from TransFormulas that were not future-live. [2024-11-27 20:24:43,651 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:24:43,676 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:24:43,679 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 20:24:43,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:24:43 BoogieIcfgContainer [2024-11-27 20:24:43,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:24:43,683 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:24:43,683 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:24:43,689 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:24:43,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:24:40" (1/3) ... [2024-11-27 20:24:43,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5c8a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:24:43, skipping insertion in model container [2024-11-27 20:24:43,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:41" (2/3) ... [2024-11-27 20:24:43,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5c8a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:24:43, skipping insertion in model container [2024-11-27 20:24:43,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:24:43" (3/3) ... [2024-11-27 20:24:43,693 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sw_loop.c [2024-11-27 20:24:43,709 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:24:43,711 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.sw_loop.c that has 1 procedures, 298 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:24:43,777 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:24:43,788 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;@2d971df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:24:43,789 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:24:43,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 298 states, 296 states have (on average 1.4966216216216217) internal successors, (443), 297 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:43,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-27 20:24:43,802 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:43,803 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] [2024-11-27 20:24:43,803 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:43,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:43,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1579872556, now seen corresponding path program 1 times [2024-11-27 20:24:43,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:43,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649975988] [2024-11-27 20:24:43,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:43,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:44,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:24:44,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:44,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649975988] [2024-11-27 20:24:44,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649975988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:44,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:44,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:24:44,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048072623] [2024-11-27 20:24:44,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:44,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:24:44,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:44,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:24:44,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:24:44,581 INFO L87 Difference]: Start difference. First operand has 298 states, 296 states have (on average 1.4966216216216217) internal successors, (443), 297 states have internal predecessors, (443), 0 states have call successors, (0), 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 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:44,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:44,714 INFO L93 Difference]: Finished difference Result 557 states and 831 transitions. [2024-11-27 20:24:44,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:24:44,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2024-11-27 20:24:44,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:44,732 INFO L225 Difference]: With dead ends: 557 [2024-11-27 20:24:44,732 INFO L226 Difference]: Without dead ends: 297 [2024-11-27 20:24:44,739 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 [2024-11-27 20:24:44,742 INFO L435 NwaCegarLoop]: 437 mSDtfsCounter, 0 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:24:44,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1305 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:24:44,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-27 20:24:44,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2024-11-27 20:24:44,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 1.489864864864865) internal successors, (441), 296 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:44,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 441 transitions. [2024-11-27 20:24:44,817 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 441 transitions. Word has length 27 [2024-11-27 20:24:44,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:44,818 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 441 transitions. [2024-11-27 20:24:44,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:44,818 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 441 transitions. [2024-11-27 20:24:44,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-27 20:24:44,819 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:44,819 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] [2024-11-27 20:24:44,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:24:44,820 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:44,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:44,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1729713684, now seen corresponding path program 1 times [2024-11-27 20:24:44,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:44,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723432890] [2024-11-27 20:24:44,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:44,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:45,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:24:45,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:45,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723432890] [2024-11-27 20:24:45,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723432890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:45,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:45,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:24:45,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568441957] [2024-11-27 20:24:45,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:45,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:24:45,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:45,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:24:45,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:24:45,055 INFO L87 Difference]: Start difference. First operand 297 states and 441 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:45,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:45,127 INFO L93 Difference]: Finished difference Result 558 states and 829 transitions. [2024-11-27 20:24:45,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:24:45,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2024-11-27 20:24:45,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:45,129 INFO L225 Difference]: With dead ends: 558 [2024-11-27 20:24:45,132 INFO L226 Difference]: Without dead ends: 299 [2024-11-27 20:24:45,133 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 [2024-11-27 20:24:45,134 INFO L435 NwaCegarLoop]: 437 mSDtfsCounter, 0 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:24:45,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1301 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:24:45,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-27 20:24:45,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2024-11-27 20:24:45,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.4865771812080537) internal successors, (443), 298 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:45,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 443 transitions. [2024-11-27 20:24:45,153 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 443 transitions. Word has length 28 [2024-11-27 20:24:45,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:45,153 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 443 transitions. [2024-11-27 20:24:45,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:45,154 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 443 transitions. [2024-11-27 20:24:45,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-27 20:24:45,154 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:45,155 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] [2024-11-27 20:24:45,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:24:45,155 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:45,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:45,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1115484845, now seen corresponding path program 1 times [2024-11-27 20:24:45,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:45,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199462149] [2024-11-27 20:24:45,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:45,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:45,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:24:45,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:45,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199462149] [2024-11-27 20:24:45,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199462149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:45,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:45,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:24:45,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688908166] [2024-11-27 20:24:45,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:45,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:24:45,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:45,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:24:45,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:24:45,471 INFO L87 Difference]: Start difference. First operand 299 states and 443 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:45,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:45,626 INFO L93 Difference]: Finished difference Result 795 states and 1180 transitions. [2024-11-27 20:24:45,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:24:45,627 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2024-11-27 20:24:45,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:45,632 INFO L225 Difference]: With dead ends: 795 [2024-11-27 20:24:45,632 INFO L226 Difference]: Without dead ends: 534 [2024-11-27 20:24:45,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:24:45,634 INFO L435 NwaCegarLoop]: 427 mSDtfsCounter, 1117 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1117 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:24:45,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1117 Valid, 1275 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:24:45,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-27 20:24:45,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 301. [2024-11-27 20:24:45,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 300 states have (on average 1.4833333333333334) internal successors, (445), 300 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:45,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 445 transitions. [2024-11-27 20:24:45,668 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 445 transitions. Word has length 29 [2024-11-27 20:24:45,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:45,672 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 445 transitions. [2024-11-27 20:24:45,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:45,672 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 445 transitions. [2024-11-27 20:24:45,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-27 20:24:45,679 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:45,680 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:24:45,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:24:45,681 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:45,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:45,683 INFO L85 PathProgramCache]: Analyzing trace with hash -909755532, now seen corresponding path program 1 times [2024-11-27 20:24:45,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:45,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001384684] [2024-11-27 20:24:45,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:45,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:47,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:24:47,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:47,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001384684] [2024-11-27 20:24:47,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001384684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:47,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:47,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:24:47,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007791444] [2024-11-27 20:24:47,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:47,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:24:47,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:47,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:24:47,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:24:47,501 INFO L87 Difference]: Start difference. First operand 301 states and 445 transitions. Second operand has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:47,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:47,679 INFO L93 Difference]: Finished difference Result 778 states and 1154 transitions. [2024-11-27 20:24:47,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:24:47,680 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 0 states have call successors, (0), 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 158 [2024-11-27 20:24:47,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:47,685 INFO L225 Difference]: With dead ends: 778 [2024-11-27 20:24:47,685 INFO L226 Difference]: Without dead ends: 517 [2024-11-27 20:24:47,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:24:47,687 INFO L435 NwaCegarLoop]: 426 mSDtfsCounter, 1048 mSDsluCounter, 1152 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 1578 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:24:47,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 1578 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:24:47,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-27 20:24:47,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 326. [2024-11-27 20:24:47,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 325 states have (on average 1.4738461538461538) internal successors, (479), 325 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:47,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 479 transitions. [2024-11-27 20:24:47,711 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 479 transitions. Word has length 158 [2024-11-27 20:24:47,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:47,712 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 479 transitions. [2024-11-27 20:24:47,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:47,714 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 479 transitions. [2024-11-27 20:24:47,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-27 20:24:47,724 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:47,724 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:24:47,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:24:47,725 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:47,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:47,726 INFO L85 PathProgramCache]: Analyzing trace with hash -677895360, now seen corresponding path program 1 times [2024-11-27 20:24:47,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:47,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13447157] [2024-11-27 20:24:47,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:47,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:49,194 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:24:49,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:49,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13447157] [2024-11-27 20:24:49,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13447157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:49,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:49,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:24:49,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249697356] [2024-11-27 20:24:49,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:49,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:24:49,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:49,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:24:49,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:24:49,200 INFO L87 Difference]: Start difference. First operand 326 states and 479 transitions. Second operand has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:49,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:49,359 INFO L93 Difference]: Finished difference Result 778 states and 1152 transitions. [2024-11-27 20:24:49,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:24:49,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 0 states have call successors, (0), 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 159 [2024-11-27 20:24:49,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:49,362 INFO L225 Difference]: With dead ends: 778 [2024-11-27 20:24:49,362 INFO L226 Difference]: Without dead ends: 517 [2024-11-27 20:24:49,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:24:49,364 INFO L435 NwaCegarLoop]: 422 mSDtfsCounter, 1026 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:24:49,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1026 Valid, 1263 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:24:49,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-27 20:24:49,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 355. [2024-11-27 20:24:49,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 354 states have (on average 1.4717514124293785) internal successors, (521), 354 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 521 transitions. [2024-11-27 20:24:49,390 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 521 transitions. Word has length 159 [2024-11-27 20:24:49,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:49,390 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 521 transitions. [2024-11-27 20:24:49,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:49,391 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 521 transitions. [2024-11-27 20:24:49,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:24:49,392 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:49,393 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:24:49,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:24:49,395 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:49,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:49,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1680367235, now seen corresponding path program 1 times [2024-11-27 20:24:49,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:49,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555337110] [2024-11-27 20:24:49,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:49,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:51,302 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:24:51,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:51,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555337110] [2024-11-27 20:24:51,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555337110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:51,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:51,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:24:51,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88483302] [2024-11-27 20:24:51,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:51,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:24:51,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:51,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:24:51,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:24:51,308 INFO L87 Difference]: Start difference. First operand 355 states and 521 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:51,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:51,463 INFO L93 Difference]: Finished difference Result 778 states and 1150 transitions. [2024-11-27 20:24:51,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:24:51,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2024-11-27 20:24:51,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:51,469 INFO L225 Difference]: With dead ends: 778 [2024-11-27 20:24:51,469 INFO L226 Difference]: Without dead ends: 517 [2024-11-27 20:24:51,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:24:51,472 INFO L435 NwaCegarLoop]: 421 mSDtfsCounter, 996 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:24:51,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [996 Valid, 1262 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:24:51,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-27 20:24:51,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 406. [2024-11-27 20:24:51,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 405 states have (on average 1.471604938271605) internal successors, (596), 405 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:51,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 596 transitions. [2024-11-27 20:24:51,494 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 596 transitions. Word has length 161 [2024-11-27 20:24:51,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:51,494 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 596 transitions. [2024-11-27 20:24:51,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:51,495 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 596 transitions. [2024-11-27 20:24:51,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-27 20:24:51,498 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:51,498 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:24:51,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:24:51,499 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:51,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:51,499 INFO L85 PathProgramCache]: Analyzing trace with hash -433125898, now seen corresponding path program 1 times [2024-11-27 20:24:51,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:51,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198240514] [2024-11-27 20:24:51,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:51,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:52,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:24:52,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:52,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198240514] [2024-11-27 20:24:52,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198240514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:52,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:52,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:24:52,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737181010] [2024-11-27 20:24:52,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:52,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:24:52,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:52,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:24:52,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:24:52,865 INFO L87 Difference]: Start difference. First operand 406 states and 596 transitions. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:53,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:53,021 INFO L93 Difference]: Finished difference Result 778 states and 1149 transitions. [2024-11-27 20:24:53,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:24:53,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 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 162 [2024-11-27 20:24:53,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:53,024 INFO L225 Difference]: With dead ends: 778 [2024-11-27 20:24:53,024 INFO L226 Difference]: Without dead ends: 517 [2024-11-27 20:24:53,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:24:53,026 INFO L435 NwaCegarLoop]: 421 mSDtfsCounter, 951 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 951 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:24:53,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [951 Valid, 1262 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:24:53,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-27 20:24:53,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 490. [2024-11-27 20:24:53,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 489 states have (on average 1.474437627811861) internal successors, (721), 489 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:53,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 721 transitions. [2024-11-27 20:24:53,042 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 721 transitions. Word has length 162 [2024-11-27 20:24:53,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:53,043 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 721 transitions. [2024-11-27 20:24:53,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:53,043 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 721 transitions. [2024-11-27 20:24:53,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-27 20:24:53,045 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:53,045 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:24:53,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:24:53,045 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:53,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:53,046 INFO L85 PathProgramCache]: Analyzing trace with hash -623708650, now seen corresponding path program 1 times [2024-11-27 20:24:53,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:53,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126169482] [2024-11-27 20:24:53,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:53,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:54,273 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:24:54,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:54,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126169482] [2024-11-27 20:24:54,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126169482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:54,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:54,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:24:54,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122284325] [2024-11-27 20:24:54,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:54,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:24:54,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:54,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:24:54,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:24:54,276 INFO L87 Difference]: Start difference. First operand 490 states and 721 transitions. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:54,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:54,435 INFO L93 Difference]: Finished difference Result 804 states and 1186 transitions. [2024-11-27 20:24:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:24:54,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2024-11-27 20:24:54,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:54,438 INFO L225 Difference]: With dead ends: 804 [2024-11-27 20:24:54,438 INFO L226 Difference]: Without dead ends: 517 [2024-11-27 20:24:54,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:24:54,443 INFO L435 NwaCegarLoop]: 421 mSDtfsCounter, 963 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:24:54,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [963 Valid, 1262 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:24:54,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-27 20:24:54,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 490. [2024-11-27 20:24:54,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 489 states have (on average 1.4723926380368098) internal successors, (720), 489 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:54,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 720 transitions. [2024-11-27 20:24:54,462 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 720 transitions. Word has length 163 [2024-11-27 20:24:54,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:54,462 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 720 transitions. [2024-11-27 20:24:54,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:54,463 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 720 transitions. [2024-11-27 20:24:54,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-27 20:24:54,464 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:54,465 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:24:54,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:24:54,465 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:54,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:54,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1521687385, now seen corresponding path program 1 times [2024-11-27 20:24:54,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:54,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327269503] [2024-11-27 20:24:54,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:54,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:55,829 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:24:55,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:55,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327269503] [2024-11-27 20:24:55,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327269503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:55,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:55,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:24:55,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856008339] [2024-11-27 20:24:55,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:55,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:24:55,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:55,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:24:55,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:24:55,833 INFO L87 Difference]: Start difference. First operand 490 states and 720 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 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) [2024-11-27 20:24:55,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:55,989 INFO L93 Difference]: Finished difference Result 832 states and 1226 transitions. [2024-11-27 20:24:55,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:24:55,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 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 164 [2024-11-27 20:24:55,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:55,992 INFO L225 Difference]: With dead ends: 832 [2024-11-27 20:24:55,992 INFO L226 Difference]: Without dead ends: 517 [2024-11-27 20:24:55,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:24:55,996 INFO L435 NwaCegarLoop]: 421 mSDtfsCounter, 975 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:24:55,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [975 Valid, 1262 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:24:55,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-27 20:24:56,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 490. [2024-11-27 20:24:56,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 489 states have (on average 1.4703476482617588) internal successors, (719), 489 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:56,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 719 transitions. [2024-11-27 20:24:56,014 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 719 transitions. Word has length 164 [2024-11-27 20:24:56,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:56,014 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 719 transitions. [2024-11-27 20:24:56,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 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) [2024-11-27 20:24:56,015 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 719 transitions. [2024-11-27 20:24:56,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-27 20:24:56,017 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:56,017 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:24:56,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:24:56,017 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:56,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:56,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1168370331, now seen corresponding path program 1 times [2024-11-27 20:24:56,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:56,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130875803] [2024-11-27 20:24:56,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:56,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:57,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:24:57,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:57,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130875803] [2024-11-27 20:24:57,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130875803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:57,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:57,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:24:57,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719846222] [2024-11-27 20:24:57,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:57,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:24:57,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:57,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:24:57,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:24:57,205 INFO L87 Difference]: Start difference. First operand 490 states and 719 transitions. Second operand has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 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) [2024-11-27 20:24:57,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:57,393 INFO L93 Difference]: Finished difference Result 786 states and 1158 transitions. [2024-11-27 20:24:57,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:24:57,394 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 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 165 [2024-11-27 20:24:57,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:57,396 INFO L225 Difference]: With dead ends: 786 [2024-11-27 20:24:57,396 INFO L226 Difference]: Without dead ends: 525 [2024-11-27 20:24:57,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:24:57,397 INFO L435 NwaCegarLoop]: 422 mSDtfsCounter, 965 mSDsluCounter, 1451 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:24:57,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 1873 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:24:57,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-11-27 20:24:57,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 493. [2024-11-27 20:24:57,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 492 states have (on average 1.4695121951219512) internal successors, (723), 492 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:57,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 723 transitions. [2024-11-27 20:24:57,413 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 723 transitions. Word has length 165 [2024-11-27 20:24:57,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:57,414 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 723 transitions. [2024-11-27 20:24:57,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.571428571428573) internal successors, (165), 7 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) [2024-11-27 20:24:57,414 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 723 transitions. [2024-11-27 20:24:57,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-27 20:24:57,416 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:57,416 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:24:57,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:24:57,417 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:57,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:57,417 INFO L85 PathProgramCache]: Analyzing trace with hash -583480850, now seen corresponding path program 1 times [2024-11-27 20:24:57,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:57,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176592946] [2024-11-27 20:24:57,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:57,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:58,629 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:24:58,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:58,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176592946] [2024-11-27 20:24:58,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176592946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:58,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:58,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:24:58,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978069040] [2024-11-27 20:24:58,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:58,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:24:58,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:58,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:24:58,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:24:58,632 INFO L87 Difference]: Start difference. First operand 493 states and 723 transitions. Second operand has 7 states, 7 states have (on average 23.714285714285715) internal successors, (166), 7 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:58,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:58,817 INFO L93 Difference]: Finished difference Result 841 states and 1237 transitions. [2024-11-27 20:24:58,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:24:58,818 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.714285714285715) internal successors, (166), 7 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2024-11-27 20:24:58,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:58,821 INFO L225 Difference]: With dead ends: 841 [2024-11-27 20:24:58,821 INFO L226 Difference]: Without dead ends: 527 [2024-11-27 20:24:58,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:24:58,823 INFO L435 NwaCegarLoop]: 422 mSDtfsCounter, 995 mSDsluCounter, 1451 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:24:58,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [995 Valid, 1873 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:24:58,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2024-11-27 20:24:58,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 495. [2024-11-27 20:24:58,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 494 states have (on average 1.4676113360323886) internal successors, (725), 494 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:58,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 725 transitions. [2024-11-27 20:24:58,840 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 725 transitions. Word has length 166 [2024-11-27 20:24:58,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:58,842 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 725 transitions. [2024-11-27 20:24:58,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.714285714285715) internal successors, (166), 7 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:24:58,842 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 725 transitions. [2024-11-27 20:24:58,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-27 20:24:58,844 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:58,844 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:24:58,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:24:58,844 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:58,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:58,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1960370405, now seen corresponding path program 1 times [2024-11-27 20:24:58,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:58,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359774952] [2024-11-27 20:24:58,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:58,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:00,052 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:00,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:00,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359774952] [2024-11-27 20:25:00,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359774952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:00,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:00,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:25:00,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575456461] [2024-11-27 20:25:00,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:00,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:25:00,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:00,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:25:00,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:25:00,056 INFO L87 Difference]: Start difference. First operand 495 states and 725 transitions. Second operand has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:00,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:00,253 INFO L93 Difference]: Finished difference Result 815 states and 1198 transitions. [2024-11-27 20:25:00,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:25:00,255 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 167 [2024-11-27 20:25:00,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:00,257 INFO L225 Difference]: With dead ends: 815 [2024-11-27 20:25:00,257 INFO L226 Difference]: Without dead ends: 529 [2024-11-27 20:25:00,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:25:00,260 INFO L435 NwaCegarLoop]: 422 mSDtfsCounter, 979 mSDsluCounter, 1451 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:00,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [979 Valid, 1873 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:25:00,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-11-27 20:25:00,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 497. [2024-11-27 20:25:00,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 496 states have (on average 1.465725806451613) internal successors, (727), 496 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:00,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 727 transitions. [2024-11-27 20:25:00,281 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 727 transitions. Word has length 167 [2024-11-27 20:25:00,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:00,281 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 727 transitions. [2024-11-27 20:25:00,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 7 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:00,282 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 727 transitions. [2024-11-27 20:25:00,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-27 20:25:00,285 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:00,285 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:00,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 20:25:00,285 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:00,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:00,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1161984459, now seen corresponding path program 1 times [2024-11-27 20:25:00,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:00,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653800925] [2024-11-27 20:25:00,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:00,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:01,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:01,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653800925] [2024-11-27 20:25:01,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653800925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:01,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:01,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:25:01,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049819580] [2024-11-27 20:25:01,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:01,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:25:01,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:01,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:25:01,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:25:01,440 INFO L87 Difference]: Start difference. First operand 497 states and 727 transitions. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:01,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:01,647 INFO L93 Difference]: Finished difference Result 817 states and 1200 transitions. [2024-11-27 20:25:01,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:25:01,647 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 0 states have call successors, (0), 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 168 [2024-11-27 20:25:01,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:01,649 INFO L225 Difference]: With dead ends: 817 [2024-11-27 20:25:01,649 INFO L226 Difference]: Without dead ends: 535 [2024-11-27 20:25:01,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:25:01,650 INFO L435 NwaCegarLoop]: 422 mSDtfsCounter, 988 mSDsluCounter, 1461 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 1883 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:01,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [988 Valid, 1883 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:25:01,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-27 20:25:01,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 499. [2024-11-27 20:25:01,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 498 states have (on average 1.463855421686747) internal successors, (729), 498 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:01,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 729 transitions. [2024-11-27 20:25:01,664 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 729 transitions. Word has length 168 [2024-11-27 20:25:01,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:01,665 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 729 transitions. [2024-11-27 20:25:01,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:01,665 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 729 transitions. [2024-11-27 20:25:01,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-27 20:25:01,667 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:01,667 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:01,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 20:25:01,667 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:01,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:01,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1061113191, now seen corresponding path program 1 times [2024-11-27 20:25:01,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:01,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946474336] [2024-11-27 20:25:01,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:01,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:02,740 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:02,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:02,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946474336] [2024-11-27 20:25:02,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946474336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:02,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:02,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:25:02,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614284211] [2024-11-27 20:25:02,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:02,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:25:02,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:02,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:25:02,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:25:02,742 INFO L87 Difference]: Start difference. First operand 499 states and 729 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:02,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:02,873 INFO L93 Difference]: Finished difference Result 789 states and 1159 transitions. [2024-11-27 20:25:02,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:25:02,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 0 states have call successors, (0), 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 168 [2024-11-27 20:25:02,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:02,876 INFO L225 Difference]: With dead ends: 789 [2024-11-27 20:25:02,876 INFO L226 Difference]: Without dead ends: 528 [2024-11-27 20:25:02,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:25:02,877 INFO L435 NwaCegarLoop]: 421 mSDtfsCounter, 931 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:02,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [931 Valid, 1258 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:25:02,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-11-27 20:25:02,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 526. [2024-11-27 20:25:02,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 525 states have (on average 1.4628571428571429) internal successors, (768), 525 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 768 transitions. [2024-11-27 20:25:02,894 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 768 transitions. Word has length 168 [2024-11-27 20:25:02,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:02,895 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 768 transitions. [2024-11-27 20:25:02,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:02,896 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 768 transitions. [2024-11-27 20:25:02,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-27 20:25:02,898 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:02,898 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:02,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 20:25:02,899 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:02,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:02,900 INFO L85 PathProgramCache]: Analyzing trace with hash -91921578, now seen corresponding path program 1 times [2024-11-27 20:25:02,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:02,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040032919] [2024-11-27 20:25:02,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:02,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:04,096 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:04,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:04,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040032919] [2024-11-27 20:25:04,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040032919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:04,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:04,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:25:04,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406108593] [2024-11-27 20:25:04,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:04,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:25:04,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:04,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:25:04,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:25:04,100 INFO L87 Difference]: Start difference. First operand 526 states and 768 transitions. Second operand has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:04,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:04,263 INFO L93 Difference]: Finished difference Result 816 states and 1197 transitions. [2024-11-27 20:25:04,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:25:04,264 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2024-11-27 20:25:04,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:04,267 INFO L225 Difference]: With dead ends: 816 [2024-11-27 20:25:04,267 INFO L226 Difference]: Without dead ends: 537 [2024-11-27 20:25:04,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:25:04,271 INFO L435 NwaCegarLoop]: 422 mSDtfsCounter, 970 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 1881 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:04,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [970 Valid, 1881 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:25:04,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-11-27 20:25:04,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 528. [2024-11-27 20:25:04,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.4611005692599621) internal successors, (770), 527 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:04,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 770 transitions. [2024-11-27 20:25:04,286 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 770 transitions. Word has length 169 [2024-11-27 20:25:04,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:04,287 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 770 transitions. [2024-11-27 20:25:04,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:04,287 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 770 transitions. [2024-11-27 20:25:04,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-27 20:25:04,289 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:04,289 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:04,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 20:25:04,290 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:04,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:04,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1132940090, now seen corresponding path program 1 times [2024-11-27 20:25:04,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:04,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770294867] [2024-11-27 20:25:04,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:04,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:05,355 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:05,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:05,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770294867] [2024-11-27 20:25:05,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770294867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:05,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:05,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:25:05,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993247489] [2024-11-27 20:25:05,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:05,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:25:05,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:05,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:25:05,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:25:05,358 INFO L87 Difference]: Start difference. First operand 528 states and 770 transitions. Second operand has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:05,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:05,527 INFO L93 Difference]: Finished difference Result 796 states and 1167 transitions. [2024-11-27 20:25:05,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:25:05,528 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2024-11-27 20:25:05,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:05,530 INFO L225 Difference]: With dead ends: 796 [2024-11-27 20:25:05,530 INFO L226 Difference]: Without dead ends: 535 [2024-11-27 20:25:05,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:25:05,532 INFO L435 NwaCegarLoop]: 422 mSDtfsCounter, 939 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:05,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [939 Valid, 2101 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:25:05,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-27 20:25:05,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 531. [2024-11-27 20:25:05,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 530 states have (on average 1.460377358490566) internal successors, (774), 530 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:05,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 774 transitions. [2024-11-27 20:25:05,548 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 774 transitions. Word has length 169 [2024-11-27 20:25:05,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:05,549 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 774 transitions. [2024-11-27 20:25:05,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.142857142857142) internal successors, (169), 7 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:05,549 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 774 transitions. [2024-11-27 20:25:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-27 20:25:05,551 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:05,552 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:05,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 20:25:05,552 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:05,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:05,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1516275082, now seen corresponding path program 1 times [2024-11-27 20:25:05,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:05,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242241673] [2024-11-27 20:25:05,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:05,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:06,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:06,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242241673] [2024-11-27 20:25:06,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242241673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:06,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:06,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:25:06,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195759180] [2024-11-27 20:25:06,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:06,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:25:06,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:06,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:25:06,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:25:06,718 INFO L87 Difference]: Start difference. First operand 531 states and 774 transitions. Second operand has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:06,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:06,909 INFO L93 Difference]: Finished difference Result 802 states and 1175 transitions. [2024-11-27 20:25:06,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:25:06,910 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2024-11-27 20:25:06,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:06,913 INFO L225 Difference]: With dead ends: 802 [2024-11-27 20:25:06,913 INFO L226 Difference]: Without dead ends: 541 [2024-11-27 20:25:06,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:25:06,914 INFO L435 NwaCegarLoop]: 422 mSDtfsCounter, 948 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 948 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:06,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [948 Valid, 2101 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:25:06,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-27 20:25:06,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 537. [2024-11-27 20:25:06,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 536 states have (on average 1.458955223880597) internal successors, (782), 536 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:06,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 782 transitions. [2024-11-27 20:25:06,933 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 782 transitions. Word has length 170 [2024-11-27 20:25:06,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:06,934 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 782 transitions. [2024-11-27 20:25:06,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:06,934 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 782 transitions. [2024-11-27 20:25:06,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-27 20:25:06,936 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:06,937 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:06,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 20:25:06,937 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:06,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:06,938 INFO L85 PathProgramCache]: Analyzing trace with hash 724587046, now seen corresponding path program 1 times [2024-11-27 20:25:06,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:06,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327617150] [2024-11-27 20:25:06,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:06,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:08,278 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:08,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:08,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327617150] [2024-11-27 20:25:08,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327617150] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:25:08,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300465256] [2024-11-27 20:25:08,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:08,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:08,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:08,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:25:08,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:25:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:09,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-27 20:25:09,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:09,419 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:09,419 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:25:09,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300465256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:09,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:25:09,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-11-27 20:25:09,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258327632] [2024-11-27 20:25:09,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:09,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:25:09,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:09,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:25:09,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:25:09,423 INFO L87 Difference]: Start difference. First operand 537 states and 782 transitions. Second operand has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:09,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:09,848 INFO L93 Difference]: Finished difference Result 1003 states and 1463 transitions. [2024-11-27 20:25:09,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:25:09,848 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2024-11-27 20:25:09,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:09,851 INFO L225 Difference]: With dead ends: 1003 [2024-11-27 20:25:09,851 INFO L226 Difference]: Without dead ends: 540 [2024-11-27 20:25:09,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2024-11-27 20:25:09,852 INFO L435 NwaCegarLoop]: 366 mSDtfsCounter, 1037 mSDsluCounter, 1458 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1037 SdHoareTripleChecker+Valid, 1824 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:09,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1037 Valid, 1824 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:25:09,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-11-27 20:25:09,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2024-11-27 20:25:09,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 539 states have (on average 1.4564007421150278) internal successors, (785), 539 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:09,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 785 transitions. [2024-11-27 20:25:09,869 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 785 transitions. Word has length 170 [2024-11-27 20:25:09,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:09,870 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 785 transitions. [2024-11-27 20:25:09,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 7 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:09,870 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 785 transitions. [2024-11-27 20:25:09,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-27 20:25:09,872 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:09,872 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:09,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:25:10,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-27 20:25:10,076 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:10,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:10,077 INFO L85 PathProgramCache]: Analyzing trace with hash -74284501, now seen corresponding path program 1 times [2024-11-27 20:25:10,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:10,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856477891] [2024-11-27 20:25:10,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:10,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:11,175 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:11,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:11,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856477891] [2024-11-27 20:25:11,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856477891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:11,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:11,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:25:11,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943907691] [2024-11-27 20:25:11,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:11,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:25:11,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:11,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:25:11,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:25:11,178 INFO L87 Difference]: Start difference. First operand 540 states and 785 transitions. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:11,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:11,312 INFO L93 Difference]: Finished difference Result 898 states and 1309 transitions. [2024-11-27 20:25:11,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:25:11,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-27 20:25:11,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:11,315 INFO L225 Difference]: With dead ends: 898 [2024-11-27 20:25:11,315 INFO L226 Difference]: Without dead ends: 538 [2024-11-27 20:25:11,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:25:11,317 INFO L435 NwaCegarLoop]: 422 mSDtfsCounter, 971 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:11,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 1263 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:25:11,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-27 20:25:11,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2024-11-27 20:25:11,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 537 states have (on average 1.4562383612662941) internal successors, (782), 537 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:11,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 782 transitions. [2024-11-27 20:25:11,330 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 782 transitions. Word has length 171 [2024-11-27 20:25:11,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:11,331 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 782 transitions. [2024-11-27 20:25:11,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:11,331 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 782 transitions. [2024-11-27 20:25:11,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-27 20:25:11,333 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:11,333 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:11,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 20:25:11,333 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:11,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:11,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1326176569, now seen corresponding path program 1 times [2024-11-27 20:25:11,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:11,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417515367] [2024-11-27 20:25:11,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:11,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:12,368 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:12,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:12,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417515367] [2024-11-27 20:25:12,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417515367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:12,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:12,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:25:12,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771851936] [2024-11-27 20:25:12,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:12,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:25:12,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:12,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:25:12,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:25:12,372 INFO L87 Difference]: Start difference. First operand 538 states and 782 transitions. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:12,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:12,504 INFO L93 Difference]: Finished difference Result 926 states and 1349 transitions. [2024-11-27 20:25:12,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:25:12,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-27 20:25:12,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:12,507 INFO L225 Difference]: With dead ends: 926 [2024-11-27 20:25:12,507 INFO L226 Difference]: Without dead ends: 538 [2024-11-27 20:25:12,508 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:25:12,511 INFO L435 NwaCegarLoop]: 422 mSDtfsCounter, 984 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:12,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [984 Valid, 1263 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:25:12,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-27 20:25:12,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2024-11-27 20:25:12,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 537 states have (on average 1.4543761638733705) internal successors, (781), 537 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:12,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 781 transitions. [2024-11-27 20:25:12,526 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 781 transitions. Word has length 171 [2024-11-27 20:25:12,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:12,527 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 781 transitions. [2024-11-27 20:25:12,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 5 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:12,527 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 781 transitions. [2024-11-27 20:25:12,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-27 20:25:12,530 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:12,530 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:12,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 20:25:12,531 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:12,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:12,531 INFO L85 PathProgramCache]: Analyzing trace with hash 2037934989, now seen corresponding path program 1 times [2024-11-27 20:25:12,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:12,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47283806] [2024-11-27 20:25:12,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:12,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:14,443 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:14,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:14,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47283806] [2024-11-27 20:25:14,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47283806] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:25:14,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974016759] [2024-11-27 20:25:14,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:14,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:14,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:14,446 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:25:14,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:25:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:15,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-27 20:25:15,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:16,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:16,703 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:25:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:18,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974016759] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:25:18,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:25:18,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16, 13] total 35 [2024-11-27 20:25:18,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072470659] [2024-11-27 20:25:18,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:25:18,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-27 20:25:18,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:18,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-27 20:25:18,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=993, Unknown=0, NotChecked=0, Total=1190 [2024-11-27 20:25:18,070 INFO L87 Difference]: Start difference. First operand 538 states and 781 transitions. Second operand has 35 states, 35 states have (on average 14.342857142857143) internal successors, (502), 35 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:20,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:20,341 INFO L93 Difference]: Finished difference Result 1530 states and 2225 transitions. [2024-11-27 20:25:20,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 20:25:20,342 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 14.342857142857143) internal successors, (502), 35 states have internal predecessors, (502), 0 states have call successors, (0), 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 172 [2024-11-27 20:25:20,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:20,346 INFO L225 Difference]: With dead ends: 1530 [2024-11-27 20:25:20,346 INFO L226 Difference]: Without dead ends: 1051 [2024-11-27 20:25:20,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 800 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=515, Invalid=2347, Unknown=0, NotChecked=0, Total=2862 [2024-11-27 20:25:20,350 INFO L435 NwaCegarLoop]: 346 mSDtfsCounter, 4889 mSDsluCounter, 7774 mSDsCounter, 0 mSdLazyCounter, 1933 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4889 SdHoareTripleChecker+Valid, 8120 SdHoareTripleChecker+Invalid, 1939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:20,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4889 Valid, 8120 Invalid, 1939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1933 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-27 20:25:20,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2024-11-27 20:25:20,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 792. [2024-11-27 20:25:20,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 791 states have (on average 1.4424778761061947) internal successors, (1141), 791 states have internal predecessors, (1141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:20,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1141 transitions. [2024-11-27 20:25:20,372 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1141 transitions. Word has length 172 [2024-11-27 20:25:20,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:20,373 INFO L471 AbstractCegarLoop]: Abstraction has 792 states and 1141 transitions. [2024-11-27 20:25:20,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 14.342857142857143) internal successors, (502), 35 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:20,373 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1141 transitions. [2024-11-27 20:25:20,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-27 20:25:20,376 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:20,376 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:20,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:25:20,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:20,580 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:20,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:20,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1537194315, now seen corresponding path program 1 times [2024-11-27 20:25:20,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:20,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855306550] [2024-11-27 20:25:20,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:20,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:21,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:21,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:21,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855306550] [2024-11-27 20:25:21,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855306550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:21,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:21,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:25:21,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093328945] [2024-11-27 20:25:21,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:21,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:25:21,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:21,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:25:21,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:25:21,216 INFO L87 Difference]: Start difference. First operand 792 states and 1141 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:21,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:21,290 INFO L93 Difference]: Finished difference Result 1553 states and 2240 transitions. [2024-11-27 20:25:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:25:21,294 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 173 [2024-11-27 20:25:21,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:21,296 INFO L225 Difference]: With dead ends: 1553 [2024-11-27 20:25:21,296 INFO L226 Difference]: Without dead ends: 812 [2024-11-27 20:25:21,298 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:25:21,300 INFO L435 NwaCegarLoop]: 432 mSDtfsCounter, 5 mSDsluCounter, 2143 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2575 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:21,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2575 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:25:21,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2024-11-27 20:25:21,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 812. [2024-11-27 20:25:21,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 811 states have (on average 1.4389642416769421) internal successors, (1167), 811 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:21,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1167 transitions. [2024-11-27 20:25:21,317 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1167 transitions. Word has length 173 [2024-11-27 20:25:21,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:21,317 INFO L471 AbstractCegarLoop]: Abstraction has 812 states and 1167 transitions. [2024-11-27 20:25:21,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:21,318 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1167 transitions. [2024-11-27 20:25:21,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-27 20:25:21,320 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:21,320 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:21,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-27 20:25:21,320 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:21,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:21,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1612586140, now seen corresponding path program 1 times [2024-11-27 20:25:21,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:21,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828515304] [2024-11-27 20:25:21,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:21,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:21,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:21,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:21,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828515304] [2024-11-27 20:25:21,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828515304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:21,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:21,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:25:21,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946416763] [2024-11-27 20:25:21,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:21,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:25:21,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:21,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:25:21,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:25:21,770 INFO L87 Difference]: Start difference. First operand 812 states and 1167 transitions. Second operand has 5 states, 5 states have (on average 34.6) internal successors, (173), 5 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:21,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:21,852 INFO L93 Difference]: Finished difference Result 1305 states and 1882 transitions. [2024-11-27 20:25:21,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:25:21,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 5 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 173 [2024-11-27 20:25:21,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:21,856 INFO L225 Difference]: With dead ends: 1305 [2024-11-27 20:25:21,856 INFO L226 Difference]: Without dead ends: 808 [2024-11-27 20:25:21,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:25:21,858 INFO L435 NwaCegarLoop]: 427 mSDtfsCounter, 1053 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1053 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:21,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1053 Valid, 1275 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:25:21,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2024-11-27 20:25:21,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 802. [2024-11-27 20:25:21,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 801 states have (on average 1.4369538077403246) internal successors, (1151), 801 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:21,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1151 transitions. [2024-11-27 20:25:21,875 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1151 transitions. Word has length 173 [2024-11-27 20:25:21,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:21,875 INFO L471 AbstractCegarLoop]: Abstraction has 802 states and 1151 transitions. [2024-11-27 20:25:21,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 5 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:21,875 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1151 transitions. [2024-11-27 20:25:21,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-27 20:25:21,877 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:21,878 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:21,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-27 20:25:21,878 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:21,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:21,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1376137115, now seen corresponding path program 1 times [2024-11-27 20:25:21,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:21,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674286402] [2024-11-27 20:25:21,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:21,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:22,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:22,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:22,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674286402] [2024-11-27 20:25:22,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674286402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:22,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:22,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:25:22,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578119301] [2024-11-27 20:25:22,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:22,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:25:22,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:22,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:25:22,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:25:22,302 INFO L87 Difference]: Start difference. First operand 802 states and 1151 transitions. Second operand has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:22,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:22,376 INFO L93 Difference]: Finished difference Result 1559 states and 2240 transitions. [2024-11-27 20:25:22,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:25:22,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2024-11-27 20:25:22,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:22,379 INFO L225 Difference]: With dead ends: 1559 [2024-11-27 20:25:22,379 INFO L226 Difference]: Without dead ends: 813 [2024-11-27 20:25:22,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:25:22,381 INFO L435 NwaCegarLoop]: 427 mSDtfsCounter, 1071 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 1276 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:22,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 1276 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:25:22,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2024-11-27 20:25:22,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 799. [2024-11-27 20:25:22,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 798 states have (on average 1.4348370927318295) internal successors, (1145), 798 states have internal predecessors, (1145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:22,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1145 transitions. [2024-11-27 20:25:22,398 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1145 transitions. Word has length 174 [2024-11-27 20:25:22,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:22,398 INFO L471 AbstractCegarLoop]: Abstraction has 799 states and 1145 transitions. [2024-11-27 20:25:22,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:22,399 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1145 transitions. [2024-11-27 20:25:22,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-27 20:25:22,401 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:22,401 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:22,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-27 20:25:22,401 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:22,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:22,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1027042594, now seen corresponding path program 1 times [2024-11-27 20:25:22,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:22,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71366659] [2024-11-27 20:25:22,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:22,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:22,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:22,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71366659] [2024-11-27 20:25:22,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71366659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:22,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:22,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:25:22,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382599400] [2024-11-27 20:25:22,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:22,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:25:22,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:22,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:25:22,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:25:22,807 INFO L87 Difference]: Start difference. First operand 799 states and 1145 transitions. Second operand has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:22,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:22,894 INFO L93 Difference]: Finished difference Result 1320 states and 1900 transitions. [2024-11-27 20:25:22,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:25:22,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2024-11-27 20:25:22,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:22,897 INFO L225 Difference]: With dead ends: 1320 [2024-11-27 20:25:22,897 INFO L226 Difference]: Without dead ends: 573 [2024-11-27 20:25:22,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:25:22,898 INFO L435 NwaCegarLoop]: 425 mSDtfsCounter, 1097 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1097 SdHoareTripleChecker+Valid, 1269 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:22,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1097 Valid, 1269 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:25:22,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-27 20:25:22,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 573. [2024-11-27 20:25:22,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 572 states have (on average 1.4423076923076923) internal successors, (825), 572 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:22,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 825 transitions. [2024-11-27 20:25:22,916 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 825 transitions. Word has length 174 [2024-11-27 20:25:22,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:22,916 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 825 transitions. [2024-11-27 20:25:22,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:22,917 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 825 transitions. [2024-11-27 20:25:22,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-11-27 20:25:22,920 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:22,921 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:22,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-27 20:25:22,921 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:22,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:22,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1290264212, now seen corresponding path program 1 times [2024-11-27 20:25:22,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:22,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011342657] [2024-11-27 20:25:22,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:22,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:25,393 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:25,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:25,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011342657] [2024-11-27 20:25:25,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011342657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:25,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:25,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:25:25,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614091951] [2024-11-27 20:25:25,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:25,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:25:25,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:25,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:25:25,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:25:25,396 INFO L87 Difference]: Start difference. First operand 573 states and 825 transitions. Second operand has 7 states, 7 states have (on average 43.0) internal successors, (301), 7 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:25,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:25,910 INFO L93 Difference]: Finished difference Result 1763 states and 2581 transitions. [2024-11-27 20:25:25,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:25:25,910 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 43.0) internal successors, (301), 7 states have internal predecessors, (301), 0 states have call successors, (0), 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 301 [2024-11-27 20:25:25,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:25,914 INFO L225 Difference]: With dead ends: 1763 [2024-11-27 20:25:25,915 INFO L226 Difference]: Without dead ends: 1493 [2024-11-27 20:25:25,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:25:25,917 INFO L435 NwaCegarLoop]: 1008 mSDtfsCounter, 1239 mSDsluCounter, 3090 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 4098 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:25,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 4098 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:25:25,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1493 states. [2024-11-27 20:25:25,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1493 to 1039. [2024-11-27 20:25:25,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1038 states have (on average 1.4479768786127167) internal successors, (1503), 1038 states have internal predecessors, (1503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:25,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1503 transitions. [2024-11-27 20:25:25,944 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1503 transitions. Word has length 301 [2024-11-27 20:25:25,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:25,946 INFO L471 AbstractCegarLoop]: Abstraction has 1039 states and 1503 transitions. [2024-11-27 20:25:25,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 43.0) internal successors, (301), 7 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:25,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1503 transitions. [2024-11-27 20:25:25,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-27 20:25:25,949 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:25,949 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:25,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-27 20:25:25,951 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:25,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:25,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1152322211, now seen corresponding path program 1 times [2024-11-27 20:25:25,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:25,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688052926] [2024-11-27 20:25:25,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:25,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:29,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:29,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688052926] [2024-11-27 20:25:29,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688052926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:29,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:29,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 20:25:29,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746252107] [2024-11-27 20:25:29,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:29,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:25:29,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:29,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:25:29,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:25:29,538 INFO L87 Difference]: Start difference. First operand 1039 states and 1503 transitions. Second operand has 9 states, 9 states have (on average 33.55555555555556) internal successors, (302), 9 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:30,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:30,098 INFO L93 Difference]: Finished difference Result 2025 states and 2964 transitions. [2024-11-27 20:25:30,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:25:30,099 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 33.55555555555556) internal successors, (302), 9 states have internal predecessors, (302), 0 states have call successors, (0), 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 302 [2024-11-27 20:25:30,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:30,103 INFO L225 Difference]: With dead ends: 2025 [2024-11-27 20:25:30,103 INFO L226 Difference]: Without dead ends: 1522 [2024-11-27 20:25:30,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:25:30,105 INFO L435 NwaCegarLoop]: 712 mSDtfsCounter, 1488 mSDsluCounter, 3930 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 4642 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:30,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 4642 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:25:30,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states. [2024-11-27 20:25:30,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 1091. [2024-11-27 20:25:30,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 1090 states have (on average 1.444954128440367) internal successors, (1575), 1090 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:30,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1575 transitions. [2024-11-27 20:25:30,128 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1575 transitions. Word has length 302 [2024-11-27 20:25:30,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:30,129 INFO L471 AbstractCegarLoop]: Abstraction has 1091 states and 1575 transitions. [2024-11-27 20:25:30,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 33.55555555555556) internal successors, (302), 9 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:30,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1575 transitions. [2024-11-27 20:25:30,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-27 20:25:30,132 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:30,132 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:30,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-27 20:25:30,133 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:30,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:30,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1725789107, now seen corresponding path program 1 times [2024-11-27 20:25:30,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:30,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131625290] [2024-11-27 20:25:30,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:30,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-27 20:25:32,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:32,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131625290] [2024-11-27 20:25:32,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131625290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:32,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:32,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:25:32,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960359218] [2024-11-27 20:25:32,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:32,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:25:32,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:32,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:25:32,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:25:32,069 INFO L87 Difference]: Start difference. First operand 1091 states and 1575 transitions. Second operand has 6 states, 6 states have (on average 32.166666666666664) internal successors, (193), 6 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:32,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:32,164 INFO L93 Difference]: Finished difference Result 1882 states and 2727 transitions. [2024-11-27 20:25:32,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:25:32,164 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 32.166666666666664) internal successors, (193), 6 states have internal predecessors, (193), 0 states have call successors, (0), 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 302 [2024-11-27 20:25:32,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:32,167 INFO L225 Difference]: With dead ends: 1882 [2024-11-27 20:25:32,167 INFO L226 Difference]: Without dead ends: 848 [2024-11-27 20:25:32,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:25:32,168 INFO L435 NwaCegarLoop]: 428 mSDtfsCounter, 997 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 1278 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:32,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [997 Valid, 1278 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:25:32,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-11-27 20:25:32,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 848. [2024-11-27 20:25:32,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 847 states have (on average 1.448642266824085) internal successors, (1227), 847 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:32,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1227 transitions. [2024-11-27 20:25:32,187 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1227 transitions. Word has length 302 [2024-11-27 20:25:32,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:32,187 INFO L471 AbstractCegarLoop]: Abstraction has 848 states and 1227 transitions. [2024-11-27 20:25:32,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.166666666666664) internal successors, (193), 6 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:32,188 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1227 transitions. [2024-11-27 20:25:32,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-11-27 20:25:32,190 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:32,190 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:32,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-27 20:25:32,190 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:32,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:32,191 INFO L85 PathProgramCache]: Analyzing trace with hash 2020947422, now seen corresponding path program 1 times [2024-11-27 20:25:32,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:32,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630755134] [2024-11-27 20:25:32,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:32,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:35,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:35,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630755134] [2024-11-27 20:25:35,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630755134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:35,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:35,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:25:35,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104298285] [2024-11-27 20:25:35,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:35,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:25:35,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:35,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:25:35,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:25:35,504 INFO L87 Difference]: Start difference. First operand 848 states and 1227 transitions. Second operand has 7 states, 7 states have (on average 43.285714285714285) internal successors, (303), 7 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:35,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:35,877 INFO L93 Difference]: Finished difference Result 1851 states and 2714 transitions. [2024-11-27 20:25:35,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:25:35,878 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 43.285714285714285) internal successors, (303), 7 states have internal predecessors, (303), 0 states have call successors, (0), 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 303 [2024-11-27 20:25:35,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:35,882 INFO L225 Difference]: With dead ends: 1851 [2024-11-27 20:25:35,882 INFO L226 Difference]: Without dead ends: 1303 [2024-11-27 20:25:35,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:25:35,884 INFO L435 NwaCegarLoop]: 691 mSDtfsCounter, 1854 mSDsluCounter, 2139 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 2830 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:35,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1854 Valid, 2830 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:25:35,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2024-11-27 20:25:35,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 849. [2024-11-27 20:25:35,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 849 states, 848 states have (on average 1.446933962264151) internal successors, (1227), 848 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:35,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1227 transitions. [2024-11-27 20:25:35,901 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 1227 transitions. Word has length 303 [2024-11-27 20:25:35,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:35,902 INFO L471 AbstractCegarLoop]: Abstraction has 849 states and 1227 transitions. [2024-11-27 20:25:35,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 43.285714285714285) internal successors, (303), 7 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:35,902 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1227 transitions. [2024-11-27 20:25:35,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-11-27 20:25:35,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:35,905 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:35,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-27 20:25:35,905 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:35,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:35,906 INFO L85 PathProgramCache]: Analyzing trace with hash 180767620, now seen corresponding path program 1 times [2024-11-27 20:25:35,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:35,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632333722] [2024-11-27 20:25:35,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:35,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:39,487 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:39,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:39,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632333722] [2024-11-27 20:25:39,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632333722] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:25:39,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563216420] [2024-11-27 20:25:39,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:39,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:39,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:39,492 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:25:39,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:25:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:40,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 2006 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-27 20:25:40,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 120 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:41,505 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:25:41,927 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-27 20:25:41,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563216420] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:25:41,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:25:41,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 11] total 24 [2024-11-27 20:25:41,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444576203] [2024-11-27 20:25:41,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:41,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:25:41,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:41,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:25:41,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2024-11-27 20:25:41,930 INFO L87 Difference]: Start difference. First operand 849 states and 1227 transitions. Second operand has 8 states, 8 states have (on average 37.25) internal successors, (298), 8 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:42,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:42,245 INFO L93 Difference]: Finished difference Result 2217 states and 3260 transitions. [2024-11-27 20:25:42,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:25:42,246 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 37.25) internal successors, (298), 8 states have internal predecessors, (298), 0 states have call successors, (0), 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 304 [2024-11-27 20:25:42,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:42,249 INFO L225 Difference]: With dead ends: 2217 [2024-11-27 20:25:42,249 INFO L226 Difference]: Without dead ends: 1668 [2024-11-27 20:25:42,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 622 GetRequests, 597 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=126, Invalid=576, Unknown=0, NotChecked=0, Total=702 [2024-11-27 20:25:42,251 INFO L435 NwaCegarLoop]: 736 mSDtfsCounter, 951 mSDsluCounter, 3300 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 951 SdHoareTripleChecker+Valid, 4036 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:42,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [951 Valid, 4036 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:25:42,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2024-11-27 20:25:42,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 953. [2024-11-27 20:25:42,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 953 states, 952 states have (on average 1.449579831932773) internal successors, (1380), 952 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1380 transitions. [2024-11-27 20:25:42,272 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1380 transitions. Word has length 304 [2024-11-27 20:25:42,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:42,273 INFO L471 AbstractCegarLoop]: Abstraction has 953 states and 1380 transitions. [2024-11-27 20:25:42,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 37.25) internal successors, (298), 8 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:42,273 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1380 transitions. [2024-11-27 20:25:42,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-27 20:25:42,275 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:42,276 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:42,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:25:42,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:42,476 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:42,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:42,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1942346116, now seen corresponding path program 1 times [2024-11-27 20:25:42,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:42,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525899865] [2024-11-27 20:25:42,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:42,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:45,664 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:45,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:45,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525899865] [2024-11-27 20:25:45,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525899865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:25:45,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613373413] [2024-11-27 20:25:45,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:45,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:45,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:45,666 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:25:45,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:25:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:46,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 2009 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-27 20:25:46,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:48,306 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 29 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:48,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:25:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 29 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:50,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613373413] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:25:50,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:25:50,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 11] total 29 [2024-11-27 20:25:50,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962368647] [2024-11-27 20:25:50,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:25:50,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-27 20:25:50,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:50,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-27 20:25:50,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=714, Unknown=0, NotChecked=0, Total=812 [2024-11-27 20:25:50,026 INFO L87 Difference]: Start difference. First operand 953 states and 1380 transitions. Second operand has 29 states, 29 states have (on average 29.689655172413794) internal successors, (861), 29 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:55,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:55,150 INFO L93 Difference]: Finished difference Result 4623 states and 6817 transitions. [2024-11-27 20:25:55,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-27 20:25:55,151 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 29.689655172413794) internal successors, (861), 29 states have internal predecessors, (861), 0 states have call successors, (0), 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 305 [2024-11-27 20:25:55,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:55,161 INFO L225 Difference]: With dead ends: 4623 [2024-11-27 20:25:55,161 INFO L226 Difference]: Without dead ends: 3970 [2024-11-27 20:25:55,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 693 GetRequests, 592 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3091 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1694, Invalid=8812, Unknown=0, NotChecked=0, Total=10506 [2024-11-27 20:25:55,167 INFO L435 NwaCegarLoop]: 946 mSDtfsCounter, 11338 mSDsluCounter, 15371 mSDsCounter, 0 mSdLazyCounter, 2366 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11338 SdHoareTripleChecker+Valid, 16317 SdHoareTripleChecker+Invalid, 2378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:55,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11338 Valid, 16317 Invalid, 2378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2366 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-27 20:25:55,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3970 states. [2024-11-27 20:25:55,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3970 to 1337. [2024-11-27 20:25:55,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 1336 states have (on average 1.4491017964071857) internal successors, (1936), 1336 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:55,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1936 transitions. [2024-11-27 20:25:55,205 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1936 transitions. Word has length 305 [2024-11-27 20:25:55,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:55,205 INFO L471 AbstractCegarLoop]: Abstraction has 1337 states and 1936 transitions. [2024-11-27 20:25:55,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 29.689655172413794) internal successors, (861), 29 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:55,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1936 transitions. [2024-11-27 20:25:55,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-27 20:25:55,209 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:55,209 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:55,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 20:25:55,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:55,410 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:55,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:55,411 INFO L85 PathProgramCache]: Analyzing trace with hash -870804637, now seen corresponding path program 1 times [2024-11-27 20:25:55,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:55,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111575002] [2024-11-27 20:25:55,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:55,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 125 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:58,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:58,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111575002] [2024-11-27 20:25:58,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111575002] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:25:58,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943680671] [2024-11-27 20:25:58,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:58,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:58,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:58,065 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:25:58,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:25:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:59,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 2012 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-27 20:25:59,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:00,313 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 71 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:00,313 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:26:02,097 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 71 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:02,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943680671] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:26:02,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:26:02,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 10] total 22 [2024-11-27 20:26:02,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979280286] [2024-11-27 20:26:02,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:26:02,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-27 20:26:02,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:02,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-27 20:26:02,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2024-11-27 20:26:02,101 INFO L87 Difference]: Start difference. First operand 1337 states and 1936 transitions. Second operand has 22 states, 22 states have (on average 35.45454545454545) internal successors, (780), 22 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:03,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:03,544 INFO L93 Difference]: Finished difference Result 3111 states and 4555 transitions. [2024-11-27 20:26:03,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-27 20:26:03,545 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 35.45454545454545) internal successors, (780), 22 states have internal predecessors, (780), 0 states have call successors, (0), 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 306 [2024-11-27 20:26:03,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:03,553 INFO L225 Difference]: With dead ends: 3111 [2024-11-27 20:26:03,553 INFO L226 Difference]: Without dead ends: 2080 [2024-11-27 20:26:03,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 645 GetRequests, 599 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=485, Invalid=1771, Unknown=0, NotChecked=0, Total=2256 [2024-11-27 20:26:03,555 INFO L435 NwaCegarLoop]: 622 mSDtfsCounter, 7160 mSDsluCounter, 4748 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7160 SdHoareTripleChecker+Valid, 5370 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:03,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7160 Valid, 5370 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1119 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:26:03,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2080 states. [2024-11-27 20:26:03,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2080 to 1750. [2024-11-27 20:26:03,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1750 states, 1749 states have (on average 1.448256146369354) internal successors, (2533), 1749 states have internal predecessors, (2533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:03,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1750 states and 2533 transitions. [2024-11-27 20:26:03,594 INFO L78 Accepts]: Start accepts. Automaton has 1750 states and 2533 transitions. Word has length 306 [2024-11-27 20:26:03,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:03,598 INFO L471 AbstractCegarLoop]: Abstraction has 1750 states and 2533 transitions. [2024-11-27 20:26:03,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 35.45454545454545) internal successors, (780), 22 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:03,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2533 transitions. [2024-11-27 20:26:03,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-27 20:26:03,623 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:03,623 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:03,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-27 20:26:03,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-27 20:26:03,826 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:03,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:03,828 INFO L85 PathProgramCache]: Analyzing trace with hash -835409555, now seen corresponding path program 1 times [2024-11-27 20:26:03,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:03,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427449577] [2024-11-27 20:26:03,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:03,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:06,566 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 13 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:06,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:06,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427449577] [2024-11-27 20:26:06,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427449577] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:06,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569878896] [2024-11-27 20:26:06,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:06,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:06,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:06,570 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:06,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 20:26:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:07,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 2016 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-27 20:26:07,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:09,713 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 73 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:09,713 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:26:10,237 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-27 20:26:10,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569878896] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:10,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:26:10,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 16] total 29 [2024-11-27 20:26:10,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033475615] [2024-11-27 20:26:10,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:10,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:26:10,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:10,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:26:10,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=699, Unknown=0, NotChecked=0, Total=812 [2024-11-27 20:26:10,240 INFO L87 Difference]: Start difference. First operand 1750 states and 2533 transitions. Second operand has 9 states, 9 states have (on average 33.55555555555556) internal successors, (302), 9 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:10,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:10,627 INFO L93 Difference]: Finished difference Result 4687 states and 6857 transitions. [2024-11-27 20:26:10,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:26:10,627 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 33.55555555555556) internal successors, (302), 9 states have internal predecessors, (302), 0 states have call successors, (0), 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 308 [2024-11-27 20:26:10,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:10,632 INFO L225 Difference]: With dead ends: 4687 [2024-11-27 20:26:10,632 INFO L226 Difference]: Without dead ends: 3027 [2024-11-27 20:26:10,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 597 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=160, Invalid=896, Unknown=0, NotChecked=0, Total=1056 [2024-11-27 20:26:10,634 INFO L435 NwaCegarLoop]: 807 mSDtfsCounter, 608 mSDsluCounter, 3985 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 4792 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:10,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 4792 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:26:10,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3027 states. [2024-11-27 20:26:10,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3027 to 1794. [2024-11-27 20:26:10,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1794 states, 1793 states have (on average 1.448968209704406) internal successors, (2598), 1793 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:10,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 2598 transitions. [2024-11-27 20:26:10,664 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 2598 transitions. Word has length 308 [2024-11-27 20:26:10,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:10,665 INFO L471 AbstractCegarLoop]: Abstraction has 1794 states and 2598 transitions. [2024-11-27 20:26:10,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 33.55555555555556) internal successors, (302), 9 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:10,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2598 transitions. [2024-11-27 20:26:10,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-27 20:26:10,668 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:10,669 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:10,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 20:26:10,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-27 20:26:10,869 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:10,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:10,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1123498513, now seen corresponding path program 1 times [2024-11-27 20:26:10,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:10,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109607980] [2024-11-27 20:26:10,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:10,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:13,950 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 13 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:13,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:13,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109607980] [2024-11-27 20:26:13,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109607980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:13,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535100137] [2024-11-27 20:26:13,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:13,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:13,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:13,954 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:13,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 20:26:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:15,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 2019 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-27 20:26:15,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:17,339 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 27 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:17,339 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:26:21,052 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 21 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:21,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535100137] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:26:21,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:26:21,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 17] total 34 [2024-11-27 20:26:21,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081454361] [2024-11-27 20:26:21,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:26:21,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-27 20:26:21,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:21,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-27 20:26:21,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=992, Unknown=0, NotChecked=0, Total=1122 [2024-11-27 20:26:21,055 INFO L87 Difference]: Start difference. First operand 1794 states and 2598 transitions. Second operand has 34 states, 34 states have (on average 26.823529411764707) internal successors, (912), 34 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:24,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:24,270 INFO L93 Difference]: Finished difference Result 6542 states and 9536 transitions. [2024-11-27 20:26:24,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-27 20:26:24,271 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 26.823529411764707) internal successors, (912), 34 states have internal predecessors, (912), 0 states have call successors, (0), 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 309 [2024-11-27 20:26:24,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:24,280 INFO L225 Difference]: With dead ends: 6542 [2024-11-27 20:26:24,280 INFO L226 Difference]: Without dead ends: 5054 [2024-11-27 20:26:24,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 593 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1264 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=596, Invalid=5104, Unknown=0, NotChecked=0, Total=5700 [2024-11-27 20:26:24,283 INFO L435 NwaCegarLoop]: 683 mSDtfsCounter, 7326 mSDsluCounter, 12972 mSDsCounter, 0 mSdLazyCounter, 3121 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7326 SdHoareTripleChecker+Valid, 13655 SdHoareTripleChecker+Invalid, 3131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 3121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:24,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7326 Valid, 13655 Invalid, 3131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 3121 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-27 20:26:24,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5054 states. [2024-11-27 20:26:24,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5054 to 5030. [2024-11-27 20:26:24,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5030 states, 5029 states have (on average 1.4563531517200239) internal successors, (7324), 5029 states have internal predecessors, (7324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:24,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5030 states to 5030 states and 7324 transitions. [2024-11-27 20:26:24,348 INFO L78 Accepts]: Start accepts. Automaton has 5030 states and 7324 transitions. Word has length 309 [2024-11-27 20:26:24,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:24,348 INFO L471 AbstractCegarLoop]: Abstraction has 5030 states and 7324 transitions. [2024-11-27 20:26:24,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 26.823529411764707) internal successors, (912), 34 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:24,348 INFO L276 IsEmpty]: Start isEmpty. Operand 5030 states and 7324 transitions. [2024-11-27 20:26:24,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-27 20:26:24,355 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:24,355 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:24,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 20:26:24,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-27 20:26:24,556 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:24,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:24,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1710371972, now seen corresponding path program 1 times [2024-11-27 20:26:24,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:24,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249738184] [2024-11-27 20:26:24,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:24,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:27,434 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 114 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:27,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:27,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249738184] [2024-11-27 20:26:27,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249738184] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:27,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013928031] [2024-11-27 20:26:27,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:27,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:27,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:27,437 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:27,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 20:26:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:28,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 2019 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-27 20:26:28,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:30,478 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:30,479 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:26:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 20:26:30,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013928031] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:30,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:26:30,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8, 18] total 31 [2024-11-27 20:26:30,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847045585] [2024-11-27 20:26:30,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:30,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:26:30,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:30,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:26:30,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=809, Unknown=0, NotChecked=0, Total=930 [2024-11-27 20:26:30,964 INFO L87 Difference]: Start difference. First operand 5030 states and 7324 transitions. Second operand has 10 states, 10 states have (on average 29.6) internal successors, (296), 10 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:31,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:31,389 INFO L93 Difference]: Finished difference Result 16901 states and 24833 transitions. [2024-11-27 20:26:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:26:31,389 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 29.6) internal successors, (296), 10 states have internal predecessors, (296), 0 states have call successors, (0), 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 309 [2024-11-27 20:26:31,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:31,409 INFO L225 Difference]: With dead ends: 16901 [2024-11-27 20:26:31,409 INFO L226 Difference]: Without dead ends: 11108 [2024-11-27 20:26:31,415 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 633 GetRequests, 598 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=177, Invalid=1083, Unknown=0, NotChecked=0, Total=1260 [2024-11-27 20:26:31,416 INFO L435 NwaCegarLoop]: 678 mSDtfsCounter, 1147 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1147 SdHoareTripleChecker+Valid, 3247 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:31,416 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1147 Valid, 3247 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:26:31,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11108 states. [2024-11-27 20:26:31,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11108 to 5088. [2024-11-27 20:26:31,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5088 states, 5087 states have (on average 1.453508944367997) internal successors, (7394), 5087 states have internal predecessors, (7394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:31,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5088 states to 5088 states and 7394 transitions. [2024-11-27 20:26:31,502 INFO L78 Accepts]: Start accepts. Automaton has 5088 states and 7394 transitions. Word has length 309 [2024-11-27 20:26:31,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:31,502 INFO L471 AbstractCegarLoop]: Abstraction has 5088 states and 7394 transitions. [2024-11-27 20:26:31,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 29.6) internal successors, (296), 10 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:31,503 INFO L276 IsEmpty]: Start isEmpty. Operand 5088 states and 7394 transitions. [2024-11-27 20:26:31,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-27 20:26:31,508 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:31,509 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:31,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-27 20:26:31,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-27 20:26:31,709 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:31,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:31,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1292251812, now seen corresponding path program 1 times [2024-11-27 20:26:31,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:31,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825017222] [2024-11-27 20:26:31,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:31,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 114 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:34,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:34,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825017222] [2024-11-27 20:26:34,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825017222] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:34,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608477520] [2024-11-27 20:26:34,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:34,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:34,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:34,893 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:34,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 20:26:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:36,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 2019 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-27 20:26:36,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:37,727 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 73 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:37,727 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:26:38,097 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-27 20:26:38,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608477520] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:38,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:26:38,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 14] total 25 [2024-11-27 20:26:38,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563735118] [2024-11-27 20:26:38,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:38,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:26:38,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:38,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:26:38,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2024-11-27 20:26:38,099 INFO L87 Difference]: Start difference. First operand 5088 states and 7394 transitions. Second operand has 7 states, 7 states have (on average 43.285714285714285) internal successors, (303), 7 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:38,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:38,288 INFO L93 Difference]: Finished difference Result 8848 states and 12916 transitions. [2024-11-27 20:26:38,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:26:38,288 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 43.285714285714285) internal successors, (303), 7 states have internal predecessors, (303), 0 states have call successors, (0), 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 309 [2024-11-27 20:26:38,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:38,298 INFO L225 Difference]: With dead ends: 8848 [2024-11-27 20:26:38,298 INFO L226 Difference]: Without dead ends: 4968 [2024-11-27 20:26:38,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 630 GetRequests, 604 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2024-11-27 20:26:38,302 INFO L435 NwaCegarLoop]: 768 mSDtfsCounter, 374 mSDsluCounter, 2254 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 3022 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:38,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 3022 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:26:38,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4968 states. [2024-11-27 20:26:38,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4968 to 3944. [2024-11-27 20:26:38,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3944 states, 3943 states have (on average 1.4450925691098149) internal successors, (5698), 3943 states have internal predecessors, (5698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:38,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3944 states to 3944 states and 5698 transitions. [2024-11-27 20:26:38,363 INFO L78 Accepts]: Start accepts. Automaton has 3944 states and 5698 transitions. Word has length 309 [2024-11-27 20:26:38,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:38,363 INFO L471 AbstractCegarLoop]: Abstraction has 3944 states and 5698 transitions. [2024-11-27 20:26:38,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 43.285714285714285) internal successors, (303), 7 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:38,364 INFO L276 IsEmpty]: Start isEmpty. Operand 3944 states and 5698 transitions. [2024-11-27 20:26:38,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-27 20:26:38,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:38,368 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:38,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-27 20:26:38,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:38,568 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:38,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:38,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1468016016, now seen corresponding path program 1 times [2024-11-27 20:26:38,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:38,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153222528] [2024-11-27 20:26:38,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:38,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:42,616 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 101 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:42,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:42,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153222528] [2024-11-27 20:26:42,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153222528] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:42,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928052788] [2024-11-27 20:26:42,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:42,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:42,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:42,620 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:42,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 20:26:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:43,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 2020 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-27 20:26:43,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:45,299 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 52 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:45,299 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:26:45,463 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-27 20:26:45,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928052788] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:45,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:26:45,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 10] total 21 [2024-11-27 20:26:45,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3275410] [2024-11-27 20:26:45,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:45,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:26:45,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:45,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:26:45,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2024-11-27 20:26:45,465 INFO L87 Difference]: Start difference. First operand 3944 states and 5698 transitions. Second operand has 5 states, 5 states have (on average 43.6) internal successors, (218), 5 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:45,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:45,539 INFO L93 Difference]: Finished difference Result 6716 states and 9748 transitions. [2024-11-27 20:26:45,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:26:45,539 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 43.6) internal successors, (218), 5 states have internal predecessors, (218), 0 states have call successors, (0), 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 310 [2024-11-27 20:26:45,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:45,547 INFO L225 Difference]: With dead ends: 6716 [2024-11-27 20:26:45,547 INFO L226 Difference]: Without dead ends: 4048 [2024-11-27 20:26:45,550 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2024-11-27 20:26:45,551 INFO L435 NwaCegarLoop]: 466 mSDtfsCounter, 50 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:45,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 1339 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:26:45,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4048 states. [2024-11-27 20:26:45,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4048 to 4048. [2024-11-27 20:26:45,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4048 states, 4047 states have (on average 1.4435384235235977) internal successors, (5842), 4047 states have internal predecessors, (5842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:45,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4048 states to 4048 states and 5842 transitions. [2024-11-27 20:26:45,615 INFO L78 Accepts]: Start accepts. Automaton has 4048 states and 5842 transitions. Word has length 310 [2024-11-27 20:26:45,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:45,616 INFO L471 AbstractCegarLoop]: Abstraction has 4048 states and 5842 transitions. [2024-11-27 20:26:45,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 43.6) internal successors, (218), 5 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:45,616 INFO L276 IsEmpty]: Start isEmpty. Operand 4048 states and 5842 transitions. [2024-11-27 20:26:45,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-11-27 20:26:45,620 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:45,621 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:45,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-27 20:26:45,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:45,821 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:45,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:45,822 INFO L85 PathProgramCache]: Analyzing trace with hash 57945410, now seen corresponding path program 1 times [2024-11-27 20:26:45,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:45,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924170250] [2024-11-27 20:26:45,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:45,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:48,920 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 66 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:48,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:48,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924170250] [2024-11-27 20:26:48,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924170250] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:48,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418514491] [2024-11-27 20:26:48,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:48,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:48,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:48,922 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:48,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 20:26:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:50,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 2023 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-27 20:26:50,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:51,667 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 52 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:51,667 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:26:52,150 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-27 20:26:52,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418514491] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:52,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:26:52,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10, 10] total 23 [2024-11-27 20:26:52,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827172376] [2024-11-27 20:26:52,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:52,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:26:52,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:52,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:26:52,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=426, Unknown=0, NotChecked=0, Total=506 [2024-11-27 20:26:52,152 INFO L87 Difference]: Start difference. First operand 4048 states and 5842 transitions. Second operand has 7 states, 7 states have (on average 40.714285714285715) internal successors, (285), 7 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:52,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:52,335 INFO L93 Difference]: Finished difference Result 9824 states and 14324 transitions. [2024-11-27 20:26:52,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:26:52,335 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 40.714285714285715) internal successors, (285), 7 states have internal predecessors, (285), 0 states have call successors, (0), 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 311 [2024-11-27 20:26:52,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:52,345 INFO L225 Difference]: With dead ends: 9824 [2024-11-27 20:26:52,345 INFO L226 Difference]: Without dead ends: 6828 [2024-11-27 20:26:52,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 634 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=503, Unknown=0, NotChecked=0, Total=600 [2024-11-27 20:26:52,351 INFO L435 NwaCegarLoop]: 693 mSDtfsCounter, 471 mSDsluCounter, 2147 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 2840 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:52,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 2840 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:26:52,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6828 states. [2024-11-27 20:26:52,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6828 to 5740. [2024-11-27 20:26:52,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5740 states, 5739 states have (on average 1.4528663530231747) internal successors, (8338), 5739 states have internal predecessors, (8338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:52,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5740 states to 5740 states and 8338 transitions. [2024-11-27 20:26:52,435 INFO L78 Accepts]: Start accepts. Automaton has 5740 states and 8338 transitions. Word has length 311 [2024-11-27 20:26:52,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:52,437 INFO L471 AbstractCegarLoop]: Abstraction has 5740 states and 8338 transitions. [2024-11-27 20:26:52,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 40.714285714285715) internal successors, (285), 7 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:52,437 INFO L276 IsEmpty]: Start isEmpty. Operand 5740 states and 8338 transitions. [2024-11-27 20:26:52,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-27 20:26:52,442 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:52,442 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:52,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-27 20:26:52,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-27 20:26:52,643 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:52,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:52,644 INFO L85 PathProgramCache]: Analyzing trace with hash 152971041, now seen corresponding path program 1 times [2024-11-27 20:26:52,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:52,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250860237] [2024-11-27 20:26:52,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:52,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:56,400 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 103 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:56,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:56,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250860237] [2024-11-27 20:26:56,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250860237] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:56,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801355213] [2024-11-27 20:26:56,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:56,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:56,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:56,403 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:56,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 20:26:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:57,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 2026 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-27 20:26:57,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:58,985 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 52 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:58,985 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:26:59,389 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-27 20:26:59,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801355213] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:59,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:26:59,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10, 10] total 23 [2024-11-27 20:26:59,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376673955] [2024-11-27 20:26:59,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:59,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:26:59,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:59,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:26:59,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2024-11-27 20:26:59,391 INFO L87 Difference]: Start difference. First operand 5740 states and 8338 transitions. Second operand has 7 states, 7 states have (on average 40.857142857142854) internal successors, (286), 7 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:59,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:59,602 INFO L93 Difference]: Finished difference Result 12096 states and 17668 transitions. [2024-11-27 20:26:59,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:26:59,602 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 40.857142857142854) internal successors, (286), 7 states have internal predecessors, (286), 0 states have call successors, (0), 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 312 [2024-11-27 20:26:59,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:59,608 INFO L225 Difference]: With dead ends: 12096 [2024-11-27 20:26:59,608 INFO L226 Difference]: Without dead ends: 7276 [2024-11-27 20:26:59,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 612 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600 [2024-11-27 20:26:59,612 INFO L435 NwaCegarLoop]: 695 mSDtfsCounter, 657 mSDsluCounter, 2151 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 2846 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:59,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 2846 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:26:59,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7276 states. [2024-11-27 20:26:59,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7276 to 5964. [2024-11-27 20:26:59,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5964 states, 5963 states have (on average 1.4519537145732013) internal successors, (8658), 5963 states have internal predecessors, (8658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5964 states to 5964 states and 8658 transitions. [2024-11-27 20:26:59,693 INFO L78 Accepts]: Start accepts. Automaton has 5964 states and 8658 transitions. Word has length 312 [2024-11-27 20:26:59,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:59,694 INFO L471 AbstractCegarLoop]: Abstraction has 5964 states and 8658 transitions. [2024-11-27 20:26:59,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 40.857142857142854) internal successors, (286), 7 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:26:59,694 INFO L276 IsEmpty]: Start isEmpty. Operand 5964 states and 8658 transitions. [2024-11-27 20:26:59,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-27 20:26:59,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:59,699 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:59,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-27 20:26:59,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:59,900 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:59,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:59,901 INFO L85 PathProgramCache]: Analyzing trace with hash -196052252, now seen corresponding path program 1 times [2024-11-27 20:26:59,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:59,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025462040] [2024-11-27 20:26:59,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:59,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:02,721 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 20:27:02,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:02,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025462040] [2024-11-27 20:27:02,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025462040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:27:02,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:27:02,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:27:02,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884308107] [2024-11-27 20:27:02,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:27:02,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:27:02,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:02,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:27:02,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:27:02,723 INFO L87 Difference]: Start difference. First operand 5964 states and 8658 transitions. Second operand has 6 states, 6 states have (on average 49.666666666666664) internal successors, (298), 6 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:02,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:02,841 INFO L93 Difference]: Finished difference Result 13592 states and 19852 transitions. [2024-11-27 20:27:02,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:27:02,845 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 49.666666666666664) internal successors, (298), 6 states have internal predecessors, (298), 0 states have call successors, (0), 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 312 [2024-11-27 20:27:02,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:02,851 INFO L225 Difference]: With dead ends: 13592 [2024-11-27 20:27:02,852 INFO L226 Difference]: Without dead ends: 8880 [2024-11-27 20:27:02,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:27:02,856 INFO L435 NwaCegarLoop]: 689 mSDtfsCounter, 260 mSDsluCounter, 2467 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 3156 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:27:02,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 3156 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:27:02,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8880 states. [2024-11-27 20:27:02,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8880 to 6204. [2024-11-27 20:27:02,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6204 states, 6203 states have (on average 1.4499435756891828) internal successors, (8994), 6203 states have internal predecessors, (8994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:02,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6204 states to 6204 states and 8994 transitions. [2024-11-27 20:27:02,958 INFO L78 Accepts]: Start accepts. Automaton has 6204 states and 8994 transitions. Word has length 312 [2024-11-27 20:27:02,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:02,959 INFO L471 AbstractCegarLoop]: Abstraction has 6204 states and 8994 transitions. [2024-11-27 20:27:02,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 49.666666666666664) internal successors, (298), 6 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:02,959 INFO L276 IsEmpty]: Start isEmpty. Operand 6204 states and 8994 transitions. [2024-11-27 20:27:02,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-11-27 20:27:02,965 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:02,965 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:27:02,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-27 20:27:02,965 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:27:02,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:02,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1637159002, now seen corresponding path program 1 times [2024-11-27 20:27:02,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:02,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557958296] [2024-11-27 20:27:02,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:02,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:06,274 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 81 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:06,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:06,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557958296] [2024-11-27 20:27:06,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557958296] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:27:06,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675350776] [2024-11-27 20:27:06,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:06,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:27:06,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:27:06,278 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:27:06,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 20:27:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:07,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 2029 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-27 20:27:07,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:27:09,221 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 66 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:09,222 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:27:09,596 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-27 20:27:09,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675350776] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:27:09,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:27:09,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11, 10] total 24 [2024-11-27 20:27:09,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380174167] [2024-11-27 20:27:09,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:27:09,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:27:09,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:09,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:27:09,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=466, Unknown=0, NotChecked=0, Total=552 [2024-11-27 20:27:09,598 INFO L87 Difference]: Start difference. First operand 6204 states and 8994 transitions. Second operand has 7 states, 7 states have (on average 35.57142857142857) internal successors, (249), 7 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:09,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:09,760 INFO L93 Difference]: Finished difference Result 13734 states and 19984 transitions. [2024-11-27 20:27:09,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:27:09,761 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.57142857142857) internal successors, (249), 7 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 313 [2024-11-27 20:27:09,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:09,766 INFO L225 Difference]: With dead ends: 13734 [2024-11-27 20:27:09,766 INFO L226 Difference]: Without dead ends: 7708 [2024-11-27 20:27:09,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 615 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=549, Unknown=0, NotChecked=0, Total=650 [2024-11-27 20:27:09,771 INFO L435 NwaCegarLoop]: 494 mSDtfsCounter, 373 mSDsluCounter, 1316 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:27:09,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 1810 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:27:09,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7708 states. [2024-11-27 20:27:09,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7708 to 6848. [2024-11-27 20:27:09,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6848 states, 6847 states have (on average 1.4528990798890025) internal successors, (9948), 6847 states have internal predecessors, (9948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:09,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6848 states to 6848 states and 9948 transitions. [2024-11-27 20:27:09,836 INFO L78 Accepts]: Start accepts. Automaton has 6848 states and 9948 transitions. Word has length 313 [2024-11-27 20:27:09,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:09,837 INFO L471 AbstractCegarLoop]: Abstraction has 6848 states and 9948 transitions. [2024-11-27 20:27:09,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.57142857142857) internal successors, (249), 7 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:09,837 INFO L276 IsEmpty]: Start isEmpty. Operand 6848 states and 9948 transitions. [2024-11-27 20:27:09,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-11-27 20:27:09,841 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:09,841 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:27:09,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-27 20:27:10,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:27:10,041 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:27:10,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:10,042 INFO L85 PathProgramCache]: Analyzing trace with hash 2058357519, now seen corresponding path program 1 times [2024-11-27 20:27:10,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:10,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110414831] [2024-11-27 20:27:10,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:10,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:13,103 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 113 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:13,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:13,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110414831] [2024-11-27 20:27:13,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110414831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:27:13,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771080159] [2024-11-27 20:27:13,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:13,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:27:13,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:27:13,110 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:27:13,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 20:27:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:14,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 2030 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-27 20:27:14,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:27:16,405 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 105 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:16,405 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:27:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 105 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:18,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771080159] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:27:18,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:27:18,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 20, 20] total 46 [2024-11-27 20:27:18,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776285572] [2024-11-27 20:27:18,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:27:18,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-27 20:27:18,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:18,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-27 20:27:18,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=1802, Unknown=0, NotChecked=0, Total=2070 [2024-11-27 20:27:18,894 INFO L87 Difference]: Start difference. First operand 6848 states and 9948 transitions. Second operand has 46 states, 46 states have (on average 16.282608695652176) internal successors, (749), 46 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:30,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:30,814 INFO L93 Difference]: Finished difference Result 31226 states and 45814 transitions. [2024-11-27 20:27:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-11-27 20:27:30,815 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 16.282608695652176) internal successors, (749), 46 states have internal predecessors, (749), 0 states have call successors, (0), 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 314 [2024-11-27 20:27:30,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:30,836 INFO L225 Difference]: With dead ends: 31226 [2024-11-27 20:27:30,836 INFO L226 Difference]: Without dead ends: 24478 [2024-11-27 20:27:30,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 762 GetRequests, 594 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9791 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=3764, Invalid=24966, Unknown=0, NotChecked=0, Total=28730 [2024-11-27 20:27:30,850 INFO L435 NwaCegarLoop]: 733 mSDtfsCounter, 15546 mSDsluCounter, 30987 mSDsCounter, 0 mSdLazyCounter, 4966 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15546 SdHoareTripleChecker+Valid, 31720 SdHoareTripleChecker+Invalid, 5004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 4966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:27:30,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15546 Valid, 31720 Invalid, 5004 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [38 Valid, 4966 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-27 20:27:30,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24478 states. [2024-11-27 20:27:31,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24478 to 8704. [2024-11-27 20:27:31,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8704 states, 8703 states have (on average 1.4562794438699298) internal successors, (12674), 8703 states have internal predecessors, (12674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8704 states to 8704 states and 12674 transitions. [2024-11-27 20:27:31,025 INFO L78 Accepts]: Start accepts. Automaton has 8704 states and 12674 transitions. Word has length 314 [2024-11-27 20:27:31,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:31,027 INFO L471 AbstractCegarLoop]: Abstraction has 8704 states and 12674 transitions. [2024-11-27 20:27:31,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 16.282608695652176) internal successors, (749), 46 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:31,027 INFO L276 IsEmpty]: Start isEmpty. Operand 8704 states and 12674 transitions. [2024-11-27 20:27:31,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-11-27 20:27:31,032 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:31,032 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:27:31,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-27 20:27:31,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:27:31,233 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:27:31,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:31,233 INFO L85 PathProgramCache]: Analyzing trace with hash -2053992755, now seen corresponding path program 1 times [2024-11-27 20:27:31,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:31,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865052352] [2024-11-27 20:27:31,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:31,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:34,368 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 118 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:34,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:34,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865052352] [2024-11-27 20:27:34,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865052352] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:27:34,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255138646] [2024-11-27 20:27:34,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:34,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:27:34,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:27:34,370 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:27:34,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-27 20:27:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:36,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 2031 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-11-27 20:27:36,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:27:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 124 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:38,379 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:27:38,720 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 20:27:38,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255138646] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:27:38,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:27:38,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8, 15] total 27 [2024-11-27 20:27:38,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650121706] [2024-11-27 20:27:38,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:27:38,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:27:38,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:38,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:27:38,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2024-11-27 20:27:38,722 INFO L87 Difference]: Start difference. First operand 8704 states and 12674 transitions. Second operand has 8 states, 8 states have (on average 37.75) internal successors, (302), 8 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:38,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:38,985 INFO L93 Difference]: Finished difference Result 23435 states and 34341 transitions. [2024-11-27 20:27:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:27:38,986 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 37.75) internal successors, (302), 8 states have internal predecessors, (302), 0 states have call successors, (0), 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 315 [2024-11-27 20:27:38,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:38,995 INFO L225 Difference]: With dead ends: 23435 [2024-11-27 20:27:38,995 INFO L226 Difference]: Without dead ends: 15094 [2024-11-27 20:27:39,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 614 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2024-11-27 20:27:39,003 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 1156 mSDsluCounter, 2030 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1156 SdHoareTripleChecker+Valid, 2463 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:27:39,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1156 Valid, 2463 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:27:39,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15094 states. [2024-11-27 20:27:39,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15094 to 9016. [2024-11-27 20:27:39,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9016 states, 9015 states have (on average 1.4564614531336662) internal successors, (13130), 9015 states have internal predecessors, (13130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:39,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9016 states to 9016 states and 13130 transitions. [2024-11-27 20:27:39,127 INFO L78 Accepts]: Start accepts. Automaton has 9016 states and 13130 transitions. Word has length 315 [2024-11-27 20:27:39,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:39,128 INFO L471 AbstractCegarLoop]: Abstraction has 9016 states and 13130 transitions. [2024-11-27 20:27:39,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 37.75) internal successors, (302), 8 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:39,128 INFO L276 IsEmpty]: Start isEmpty. Operand 9016 states and 13130 transitions. [2024-11-27 20:27:39,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-27 20:27:39,131 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:39,132 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:27:39,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-27 20:27:39,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:27:39,332 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:27:39,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:39,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1640311002, now seen corresponding path program 1 times [2024-11-27 20:27:39,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:39,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128790792] [2024-11-27 20:27:39,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:39,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:44,222 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 59 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:44,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:44,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128790792] [2024-11-27 20:27:44,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128790792] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:27:44,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108415133] [2024-11-27 20:27:44,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:44,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:27:44,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:27:44,224 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:27:44,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-27 20:27:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:45,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 2032 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-27 20:27:45,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:27:47,060 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 82 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:47,060 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:27:47,523 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-27 20:27:47,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108415133] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:27:47,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:27:47,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12, 10] total 25 [2024-11-27 20:27:47,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937899487] [2024-11-27 20:27:47,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:27:47,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:27:47,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:47,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:27:47,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2024-11-27 20:27:47,525 INFO L87 Difference]: Start difference. First operand 9016 states and 13130 transitions. Second operand has 7 states, 7 states have (on average 35.714285714285715) internal successors, (250), 7 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:47,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:47,723 INFO L93 Difference]: Finished difference Result 19518 states and 28468 transitions. [2024-11-27 20:27:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:27:47,724 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.714285714285715) internal successors, (250), 7 states have internal predecessors, (250), 0 states have call successors, (0), 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 316 [2024-11-27 20:27:47,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:47,734 INFO L225 Difference]: With dead ends: 19518 [2024-11-27 20:27:47,734 INFO L226 Difference]: Without dead ends: 10258 [2024-11-27 20:27:47,740 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 647 GetRequests, 620 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=86, Invalid=616, Unknown=0, NotChecked=0, Total=702 [2024-11-27 20:27:47,741 INFO L435 NwaCegarLoop]: 536 mSDtfsCounter, 254 mSDsluCounter, 1889 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 2425 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:27:47,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 2425 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:27:47,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10258 states. [2024-11-27 20:27:47,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10258 to 9014. [2024-11-27 20:27:47,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9014 states, 9013 states have (on average 1.4555641850660157) internal successors, (13119), 9013 states have internal predecessors, (13119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:47,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9014 states to 9014 states and 13119 transitions. [2024-11-27 20:27:47,832 INFO L78 Accepts]: Start accepts. Automaton has 9014 states and 13119 transitions. Word has length 316 [2024-11-27 20:27:47,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:47,833 INFO L471 AbstractCegarLoop]: Abstraction has 9014 states and 13119 transitions. [2024-11-27 20:27:47,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.714285714285715) internal successors, (250), 7 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:27:47,833 INFO L276 IsEmpty]: Start isEmpty. Operand 9014 states and 13119 transitions. [2024-11-27 20:27:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-27 20:27:47,836 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:47,836 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:27:47,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-27 20:27:48,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:27:48,036 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:27:48,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:48,037 INFO L85 PathProgramCache]: Analyzing trace with hash 121566526, now seen corresponding path program 1 times [2024-11-27 20:27:48,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:48,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432816012] [2024-11-27 20:27:48,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:48,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:51,570 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 118 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:51,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:51,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432816012] [2024-11-27 20:27:51,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432816012] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:27:51,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017841519] [2024-11-27 20:27:51,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:51,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:27:51,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:27:51,572 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:27:51,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-27 20:27:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:53,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 2034 conjuncts, 136 conjuncts are in the unsatisfiable core [2024-11-27 20:27:53,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:27:55,788 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 117 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:27:55,788 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:28:00,637 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 36 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:28:00,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017841519] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:28:00,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:28:00,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 22, 25] total 51 [2024-11-27 20:28:00,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901675270] [2024-11-27 20:28:00,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:28:00,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-27 20:28:00,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:00,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-27 20:28:00,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=384, Invalid=2166, Unknown=0, NotChecked=0, Total=2550 [2024-11-27 20:28:00,640 INFO L87 Difference]: Start difference. First operand 9014 states and 13119 transitions. Second operand has 51 states, 51 states have (on average 16.215686274509803) internal successors, (827), 51 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:05,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:05,202 INFO L93 Difference]: Finished difference Result 15193 states and 22105 transitions. [2024-11-27 20:28:05,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-27 20:28:05,203 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 16.215686274509803) internal successors, (827), 51 states have internal predecessors, (827), 0 states have call successors, (0), 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 316 [2024-11-27 20:28:05,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:05,209 INFO L225 Difference]: With dead ends: 15193 [2024-11-27 20:28:05,209 INFO L226 Difference]: Without dead ends: 7456 [2024-11-27 20:28:05,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 678 GetRequests, 591 SyntacticMatches, 1 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1756 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1328, Invalid=6328, Unknown=0, NotChecked=0, Total=7656 [2024-11-27 20:28:05,215 INFO L435 NwaCegarLoop]: 873 mSDtfsCounter, 8223 mSDsluCounter, 17111 mSDsCounter, 0 mSdLazyCounter, 2961 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8223 SdHoareTripleChecker+Valid, 17984 SdHoareTripleChecker+Invalid, 2975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:05,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8223 Valid, 17984 Invalid, 2975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2961 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-27 20:28:05,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7456 states. [2024-11-27 20:28:05,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7456 to 6354. [2024-11-27 20:28:05,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6354 states, 6353 states have (on average 1.4432551550448607) internal successors, (9169), 6353 states have internal predecessors, (9169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:05,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6354 states to 6354 states and 9169 transitions. [2024-11-27 20:28:05,281 INFO L78 Accepts]: Start accepts. Automaton has 6354 states and 9169 transitions. Word has length 316 [2024-11-27 20:28:05,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:05,281 INFO L471 AbstractCegarLoop]: Abstraction has 6354 states and 9169 transitions. [2024-11-27 20:28:05,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 16.215686274509803) internal successors, (827), 51 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:05,282 INFO L276 IsEmpty]: Start isEmpty. Operand 6354 states and 9169 transitions. [2024-11-27 20:28:05,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-11-27 20:28:05,284 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:05,284 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:05,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-27 20:28:05,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:28:05,485 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:28:05,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:05,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1281588784, now seen corresponding path program 1 times [2024-11-27 20:28:05,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:05,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097934188] [2024-11-27 20:28:05,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:05,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:09,932 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 9 proven. 143 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:28:09,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:09,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097934188] [2024-11-27 20:28:09,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097934188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:28:09,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978685131] [2024-11-27 20:28:09,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:09,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:28:09,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:28:09,934 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:28:09,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-27 20:28:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:12,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 2033 conjuncts, 139 conjuncts are in the unsatisfiable core [2024-11-27 20:28:12,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:28:15,400 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 8 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:28:15,400 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:28:20,231 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 39 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:28:20,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978685131] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:28:20,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:28:20,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 28, 28] total 63 [2024-11-27 20:28:20,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943440143] [2024-11-27 20:28:20,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:28:20,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-27 20:28:20,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:20,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-27 20:28:20,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=714, Invalid=3192, Unknown=0, NotChecked=0, Total=3906 [2024-11-27 20:28:20,235 INFO L87 Difference]: Start difference. First operand 6354 states and 9169 transitions. Second operand has 63 states, 63 states have (on average 14.873015873015873) internal successors, (937), 63 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:34,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:34,266 INFO L93 Difference]: Finished difference Result 56487 states and 82189 transitions. [2024-11-27 20:28:34,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-11-27 20:28:34,266 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 14.873015873015873) internal successors, (937), 63 states have internal predecessors, (937), 0 states have call successors, (0), 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 317 [2024-11-27 20:28:34,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:34,295 INFO L225 Difference]: With dead ends: 56487 [2024-11-27 20:28:34,296 INFO L226 Difference]: Without dead ends: 50484 [2024-11-27 20:28:34,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 583 SyntacticMatches, 0 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17578 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=7598, Invalid=41022, Unknown=0, NotChecked=0, Total=48620 [2024-11-27 20:28:34,306 INFO L435 NwaCegarLoop]: 1199 mSDtfsCounter, 36757 mSDsluCounter, 35475 mSDsCounter, 0 mSdLazyCounter, 3456 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36757 SdHoareTripleChecker+Valid, 36674 SdHoareTripleChecker+Invalid, 3546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 3456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:34,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36757 Valid, 36674 Invalid, 3546 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [90 Valid, 3456 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-27 20:28:34,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50484 states. [2024-11-27 20:28:34,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50484 to 17920. [2024-11-27 20:28:34,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17920 states, 17919 states have (on average 1.4515318935208439) internal successors, (26010), 17919 states have internal predecessors, (26010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:34,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17920 states to 17920 states and 26010 transitions. [2024-11-27 20:28:34,590 INFO L78 Accepts]: Start accepts. Automaton has 17920 states and 26010 transitions. Word has length 317 [2024-11-27 20:28:34,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:34,591 INFO L471 AbstractCegarLoop]: Abstraction has 17920 states and 26010 transitions. [2024-11-27 20:28:34,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 14.873015873015873) internal successors, (937), 63 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:34,591 INFO L276 IsEmpty]: Start isEmpty. Operand 17920 states and 26010 transitions. [2024-11-27 20:28:34,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-11-27 20:28:34,594 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:34,594 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:34,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-27 20:28:34,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-27 20:28:34,795 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:28:34,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:34,795 INFO L85 PathProgramCache]: Analyzing trace with hash -927084568, now seen corresponding path program 1 times [2024-11-27 20:28:34,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:34,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755545015] [2024-11-27 20:28:34,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:34,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:37,149 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-27 20:28:37,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:37,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755545015] [2024-11-27 20:28:37,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755545015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:37,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:37,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:28:37,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914356961] [2024-11-27 20:28:37,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:37,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:28:37,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:37,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:28:37,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:28:37,151 INFO L87 Difference]: Start difference. First operand 17920 states and 26010 transitions. Second operand has 7 states, 7 states have (on average 44.714285714285715) internal successors, (313), 7 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:37,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:37,395 INFO L93 Difference]: Finished difference Result 35662 states and 51792 transitions. [2024-11-27 20:28:37,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:28:37,396 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 44.714285714285715) internal successors, (313), 7 states have internal predecessors, (313), 0 states have call successors, (0), 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 318 [2024-11-27 20:28:37,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:37,409 INFO L225 Difference]: With dead ends: 35662 [2024-11-27 20:28:37,409 INFO L226 Difference]: Without dead ends: 18015 [2024-11-27 20:28:37,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:28:37,419 INFO L435 NwaCegarLoop]: 375 mSDtfsCounter, 283 mSDsluCounter, 1486 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 1861 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:37,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 1861 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:28:37,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18015 states. [2024-11-27 20:28:37,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18015 to 18015. [2024-11-27 20:28:37,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18015 states, 18014 states have (on average 1.4502053958032641) internal successors, (26124), 18014 states have internal predecessors, (26124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:37,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18015 states to 18015 states and 26124 transitions. [2024-11-27 20:28:37,633 INFO L78 Accepts]: Start accepts. Automaton has 18015 states and 26124 transitions. Word has length 318 [2024-11-27 20:28:37,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:37,633 INFO L471 AbstractCegarLoop]: Abstraction has 18015 states and 26124 transitions. [2024-11-27 20:28:37,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 44.714285714285715) internal successors, (313), 7 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:37,633 INFO L276 IsEmpty]: Start isEmpty. Operand 18015 states and 26124 transitions. [2024-11-27 20:28:37,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-11-27 20:28:37,636 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:37,636 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:37,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-27 20:28:37,637 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:28:37,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:37,637 INFO L85 PathProgramCache]: Analyzing trace with hash -63326923, now seen corresponding path program 1 times [2024-11-27 20:28:37,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:37,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148883067] [2024-11-27 20:28:37,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:37,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:39,973 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-27 20:28:39,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:39,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148883067] [2024-11-27 20:28:39,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148883067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:39,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:39,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:28:39,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309741036] [2024-11-27 20:28:39,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:39,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:28:39,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:39,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:28:39,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:28:39,975 INFO L87 Difference]: Start difference. First operand 18015 states and 26124 transitions. Second operand has 7 states, 7 states have (on average 44.714285714285715) internal successors, (313), 7 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:40,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:40,086 INFO L93 Difference]: Finished difference Result 36576 states and 53081 transitions. [2024-11-27 20:28:40,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:28:40,087 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 44.714285714285715) internal successors, (313), 7 states have internal predecessors, (313), 0 states have call successors, (0), 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 319 [2024-11-27 20:28:40,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:40,101 INFO L225 Difference]: With dead ends: 36576 [2024-11-27 20:28:40,101 INFO L226 Difference]: Without dead ends: 18802 [2024-11-27 20:28:40,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:28:40,113 INFO L435 NwaCegarLoop]: 428 mSDtfsCounter, 23 mSDsluCounter, 2123 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2551 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:40,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2551 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:28:40,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18802 states. [2024-11-27 20:28:40,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18802 to 18802. [2024-11-27 20:28:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18802 states, 18801 states have (on average 1.446784745492261) internal successors, (27201), 18801 states have internal predecessors, (27201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:40,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18802 states to 18802 states and 27201 transitions. [2024-11-27 20:28:40,411 INFO L78 Accepts]: Start accepts. Automaton has 18802 states and 27201 transitions. Word has length 319 [2024-11-27 20:28:40,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:40,411 INFO L471 AbstractCegarLoop]: Abstraction has 18802 states and 27201 transitions. [2024-11-27 20:28:40,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 44.714285714285715) internal successors, (313), 7 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:40,411 INFO L276 IsEmpty]: Start isEmpty. Operand 18802 states and 27201 transitions. [2024-11-27 20:28:40,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-11-27 20:28:40,414 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:40,415 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:40,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-27 20:28:40,415 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:28:40,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:40,415 INFO L85 PathProgramCache]: Analyzing trace with hash 620254862, now seen corresponding path program 1 times [2024-11-27 20:28:40,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:40,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523083863] [2024-11-27 20:28:40,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:40,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:41,003 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-27 20:28:41,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:41,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523083863] [2024-11-27 20:28:41,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523083863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:41,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:41,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:28:41,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263772339] [2024-11-27 20:28:41,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:41,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:28:41,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:41,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:28:41,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:28:41,005 INFO L87 Difference]: Start difference. First operand 18802 states and 27201 transitions. Second operand has 4 states, 4 states have (on average 77.75) internal successors, (311), 4 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:41,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:41,086 INFO L93 Difference]: Finished difference Result 37376 states and 54096 transitions. [2024-11-27 20:28:41,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:28:41,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 77.75) internal successors, (311), 4 states have internal predecessors, (311), 0 states have call successors, (0), 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 319 [2024-11-27 20:28:41,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:41,106 INFO L225 Difference]: With dead ends: 37376 [2024-11-27 20:28:41,106 INFO L226 Difference]: Without dead ends: 18878 [2024-11-27 20:28:41,116 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 [2024-11-27 20:28:41,117 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:41,117 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:28:41,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18878 states. [2024-11-27 20:28:41,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18878 to 18878. [2024-11-27 20:28:41,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18878 states, 18877 states have (on average 1.444985961752397) internal successors, (27277), 18877 states have internal predecessors, (27277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:41,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18878 states to 18878 states and 27277 transitions. [2024-11-27 20:28:41,285 INFO L78 Accepts]: Start accepts. Automaton has 18878 states and 27277 transitions. Word has length 319 [2024-11-27 20:28:41,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:41,285 INFO L471 AbstractCegarLoop]: Abstraction has 18878 states and 27277 transitions. [2024-11-27 20:28:41,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.75) internal successors, (311), 4 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:41,286 INFO L276 IsEmpty]: Start isEmpty. Operand 18878 states and 27277 transitions. [2024-11-27 20:28:41,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-11-27 20:28:41,289 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:41,289 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:41,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-27 20:28:41,289 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:28:41,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:41,290 INFO L85 PathProgramCache]: Analyzing trace with hash -806823761, now seen corresponding path program 1 times [2024-11-27 20:28:41,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:41,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285004969] [2024-11-27 20:28:41,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:41,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:42,038 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 20:28:42,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:42,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285004969] [2024-11-27 20:28:42,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285004969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:42,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:42,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:28:42,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410873461] [2024-11-27 20:28:42,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:42,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:28:42,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:42,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:28:42,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:28:42,039 INFO L87 Difference]: Start difference. First operand 18878 states and 27277 transitions. Second operand has 5 states, 5 states have (on average 62.2) internal successors, (311), 5 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:42,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:42,122 INFO L93 Difference]: Finished difference Result 37539 states and 54264 transitions. [2024-11-27 20:28:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:28:42,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 62.2) internal successors, (311), 5 states have internal predecessors, (311), 0 states have call successors, (0), 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 320 [2024-11-27 20:28:42,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:42,137 INFO L225 Difference]: With dead ends: 37539 [2024-11-27 20:28:42,137 INFO L226 Difference]: Without dead ends: 18954 [2024-11-27 20:28:42,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:28:42,147 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:42,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:28:42,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18954 states. [2024-11-27 20:28:42,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18954 to 18954. [2024-11-27 20:28:42,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18954 states, 18953 states have (on average 1.4432016039677096) internal successors, (27353), 18953 states have internal predecessors, (27353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:42,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18954 states to 18954 states and 27353 transitions. [2024-11-27 20:28:42,332 INFO L78 Accepts]: Start accepts. Automaton has 18954 states and 27353 transitions. Word has length 320 [2024-11-27 20:28:42,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:42,332 INFO L471 AbstractCegarLoop]: Abstraction has 18954 states and 27353 transitions. [2024-11-27 20:28:42,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 62.2) internal successors, (311), 5 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:42,333 INFO L276 IsEmpty]: Start isEmpty. Operand 18954 states and 27353 transitions. [2024-11-27 20:28:42,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-11-27 20:28:42,335 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:42,335 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:42,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-27 20:28:42,336 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:28:42,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:42,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1107532397, now seen corresponding path program 1 times [2024-11-27 20:28:42,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:42,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313606801] [2024-11-27 20:28:42,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:42,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:44,566 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-27 20:28:44,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:44,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313606801] [2024-11-27 20:28:44,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313606801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:44,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:44,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:28:44,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572139315] [2024-11-27 20:28:44,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:44,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:28:44,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:44,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:28:44,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:28:44,568 INFO L87 Difference]: Start difference. First operand 18954 states and 27353 transitions. Second operand has 7 states, 7 states have (on average 42.714285714285715) internal successors, (299), 7 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:44,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:44,693 INFO L93 Difference]: Finished difference Result 39546 states and 57196 transitions. [2024-11-27 20:28:44,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:28:44,694 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 42.714285714285715) internal successors, (299), 7 states have internal predecessors, (299), 0 states have call successors, (0), 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 320 [2024-11-27 20:28:44,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:44,709 INFO L225 Difference]: With dead ends: 39546 [2024-11-27 20:28:44,709 INFO L226 Difference]: Without dead ends: 20803 [2024-11-27 20:28:44,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:28:44,719 INFO L435 NwaCegarLoop]: 428 mSDtfsCounter, 23 mSDsluCounter, 2123 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2551 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:44,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2551 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:28:44,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20803 states. [2024-11-27 20:28:45,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20803 to 20803. [2024-11-27 20:28:45,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20803 states, 20802 states have (on average 1.439428901067205) internal successors, (29943), 20802 states have internal predecessors, (29943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:45,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20803 states to 20803 states and 29943 transitions. [2024-11-27 20:28:45,032 INFO L78 Accepts]: Start accepts. Automaton has 20803 states and 29943 transitions. Word has length 320 [2024-11-27 20:28:45,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:45,032 INFO L471 AbstractCegarLoop]: Abstraction has 20803 states and 29943 transitions. [2024-11-27 20:28:45,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 42.714285714285715) internal successors, (299), 7 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:45,032 INFO L276 IsEmpty]: Start isEmpty. Operand 20803 states and 29943 transitions. [2024-11-27 20:28:45,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-11-27 20:28:45,036 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:45,036 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:45,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-27 20:28:45,036 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:28:45,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:45,037 INFO L85 PathProgramCache]: Analyzing trace with hash 2129363290, now seen corresponding path program 1 times [2024-11-27 20:28:45,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:45,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897504951] [2024-11-27 20:28:45,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:45,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:45,687 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-27 20:28:45,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:45,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897504951] [2024-11-27 20:28:45,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897504951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:45,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:45,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:28:45,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940962430] [2024-11-27 20:28:45,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:45,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:28:45,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:45,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:28:45,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:28:45,689 INFO L87 Difference]: Start difference. First operand 20803 states and 29943 transitions. Second operand has 5 states, 5 states have (on average 59.4) internal successors, (297), 5 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:45,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:45,784 INFO L93 Difference]: Finished difference Result 41514 states and 59787 transitions. [2024-11-27 20:28:45,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:28:45,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 59.4) internal successors, (297), 5 states have internal predecessors, (297), 0 states have call successors, (0), 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 320 [2024-11-27 20:28:45,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:45,801 INFO L225 Difference]: With dead ends: 41514 [2024-11-27 20:28:45,801 INFO L226 Difference]: Without dead ends: 21015 [2024-11-27 20:28:45,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:28:45,812 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:45,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1716 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:28:45,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21015 states. [2024-11-27 20:28:45,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21015 to 21015. [2024-11-27 20:28:45,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21015 states, 21014 states have (on average 1.4349957171409538) internal successors, (30155), 21014 states have internal predecessors, (30155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:46,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21015 states to 21015 states and 30155 transitions. [2024-11-27 20:28:46,021 INFO L78 Accepts]: Start accepts. Automaton has 21015 states and 30155 transitions. Word has length 320 [2024-11-27 20:28:46,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:46,021 INFO L471 AbstractCegarLoop]: Abstraction has 21015 states and 30155 transitions. [2024-11-27 20:28:46,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 59.4) internal successors, (297), 5 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:46,021 INFO L276 IsEmpty]: Start isEmpty. Operand 21015 states and 30155 transitions. [2024-11-27 20:28:46,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-11-27 20:28:46,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:46,025 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:46,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-27 20:28:46,025 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:28:46,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:46,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1213723574, now seen corresponding path program 1 times [2024-11-27 20:28:46,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:46,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812950042] [2024-11-27 20:28:46,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:46,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:48,409 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-27 20:28:48,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:48,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812950042] [2024-11-27 20:28:48,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812950042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:48,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:48,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:28:48,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107135115] [2024-11-27 20:28:48,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:48,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:28:48,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:48,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:28:48,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:28:48,411 INFO L87 Difference]: Start difference. First operand 21015 states and 30155 transitions. Second operand has 7 states, 7 states have (on average 40.714285714285715) internal successors, (285), 7 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:48,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:48,599 INFO L93 Difference]: Finished difference Result 44548 states and 64100 transitions. [2024-11-27 20:28:48,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:28:48,600 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 40.714285714285715) internal successors, (285), 7 states have internal predecessors, (285), 0 states have call successors, (0), 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 321 [2024-11-27 20:28:48,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:48,619 INFO L225 Difference]: With dead ends: 44548 [2024-11-27 20:28:48,619 INFO L226 Difference]: Without dead ends: 23714 [2024-11-27 20:28:48,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:28:48,632 INFO L435 NwaCegarLoop]: 428 mSDtfsCounter, 23 mSDsluCounter, 2123 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2551 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:48,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2551 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:28:48,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23714 states. [2024-11-27 20:28:48,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23714 to 23714. [2024-11-27 20:28:48,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23714 states, 23713 states have (on average 1.4310715641209464) internal successors, (33935), 23713 states have internal predecessors, (33935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23714 states to 23714 states and 33935 transitions. [2024-11-27 20:28:48,917 INFO L78 Accepts]: Start accepts. Automaton has 23714 states and 33935 transitions. Word has length 321 [2024-11-27 20:28:48,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:48,917 INFO L471 AbstractCegarLoop]: Abstraction has 23714 states and 33935 transitions. [2024-11-27 20:28:48,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 40.714285714285715) internal successors, (285), 7 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:48,918 INFO L276 IsEmpty]: Start isEmpty. Operand 23714 states and 33935 transitions. [2024-11-27 20:28:48,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-11-27 20:28:48,921 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:48,921 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:48,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-27 20:28:48,921 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:28:48,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:48,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1136964782, now seen corresponding path program 1 times [2024-11-27 20:28:48,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:48,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729822831] [2024-11-27 20:28:48,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:48,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:49,550 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-27 20:28:49,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:49,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729822831] [2024-11-27 20:28:49,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729822831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:49,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:49,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:28:49,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563186790] [2024-11-27 20:28:49,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:49,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:28:49,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:49,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:28:49,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:28:49,551 INFO L87 Difference]: Start difference. First operand 23714 states and 33935 transitions. Second operand has 4 states, 4 states have (on average 74.25) internal successors, (297), 4 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:49,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:49,651 INFO L93 Difference]: Finished difference Result 47348 states and 67788 transitions. [2024-11-27 20:28:49,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:28:49,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 4 states have internal predecessors, (297), 0 states have call successors, (0), 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 321 [2024-11-27 20:28:49,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:49,669 INFO L225 Difference]: With dead ends: 47348 [2024-11-27 20:28:49,669 INFO L226 Difference]: Without dead ends: 23926 [2024-11-27 20:28:49,681 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 [2024-11-27 20:28:49,682 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:49,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:28:49,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23926 states. [2024-11-27 20:28:49,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23926 to 23926. [2024-11-27 20:28:49,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23926 states, 23925 states have (on average 1.427251828631139) internal successors, (34147), 23925 states have internal predecessors, (34147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:49,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23926 states to 23926 states and 34147 transitions. [2024-11-27 20:28:49,905 INFO L78 Accepts]: Start accepts. Automaton has 23926 states and 34147 transitions. Word has length 321 [2024-11-27 20:28:49,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:49,905 INFO L471 AbstractCegarLoop]: Abstraction has 23926 states and 34147 transitions. [2024-11-27 20:28:49,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 4 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:49,905 INFO L276 IsEmpty]: Start isEmpty. Operand 23926 states and 34147 transitions. [2024-11-27 20:28:49,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-11-27 20:28:49,908 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:49,908 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:49,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-27 20:28:49,909 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:28:49,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:49,909 INFO L85 PathProgramCache]: Analyzing trace with hash -728427193, now seen corresponding path program 1 times [2024-11-27 20:28:49,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:49,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69800039] [2024-11-27 20:28:49,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:49,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:50,631 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-27 20:28:50,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:50,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69800039] [2024-11-27 20:28:50,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69800039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:50,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:50,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:28:50,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938573295] [2024-11-27 20:28:50,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:50,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:28:50,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:50,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:28:50,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:28:50,633 INFO L87 Difference]: Start difference. First operand 23926 states and 34147 transitions. Second operand has 4 states, 4 states have (on average 77.75) internal successors, (311), 4 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:50,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:50,731 INFO L93 Difference]: Finished difference Result 47569 states and 67920 transitions. [2024-11-27 20:28:50,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:28:50,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 77.75) internal successors, (311), 4 states have internal predecessors, (311), 0 states have call successors, (0), 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 321 [2024-11-27 20:28:50,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:50,750 INFO L225 Difference]: With dead ends: 47569 [2024-11-27 20:28:50,750 INFO L226 Difference]: Without dead ends: 24002 [2024-11-27 20:28:50,762 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 [2024-11-27 20:28:50,762 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:50,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:28:50,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24002 states. [2024-11-27 20:28:50,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24002 to 24002. [2024-11-27 20:28:50,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24002 states, 24001 states have (on average 1.4258989208782968) internal successors, (34223), 24001 states have internal predecessors, (34223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:50,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24002 states to 24002 states and 34223 transitions. [2024-11-27 20:28:50,985 INFO L78 Accepts]: Start accepts. Automaton has 24002 states and 34223 transitions. Word has length 321 [2024-11-27 20:28:50,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:50,985 INFO L471 AbstractCegarLoop]: Abstraction has 24002 states and 34223 transitions. [2024-11-27 20:28:50,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.75) internal successors, (311), 4 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 24002 states and 34223 transitions. [2024-11-27 20:28:50,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-11-27 20:28:50,989 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:50,989 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:50,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-27 20:28:50,989 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:28:50,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:50,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1121523555, now seen corresponding path program 1 times [2024-11-27 20:28:50,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:50,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605340283] [2024-11-27 20:28:50,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:50,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:51,661 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-27 20:28:51,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:51,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605340283] [2024-11-27 20:28:51,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605340283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:51,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:51,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:28:51,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954945281] [2024-11-27 20:28:51,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:51,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:28:51,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:51,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:28:51,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:28:51,663 INFO L87 Difference]: Start difference. First operand 24002 states and 34223 transitions. Second operand has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:51,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:51,759 INFO L93 Difference]: Finished difference Result 48080 states and 68596 transitions. [2024-11-27 20:28:51,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:28:51,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 0 states have call successors, (0), 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 321 [2024-11-27 20:28:51,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:51,777 INFO L225 Difference]: With dead ends: 48080 [2024-11-27 20:28:51,777 INFO L226 Difference]: Without dead ends: 24350 [2024-11-27 20:28:51,789 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 [2024-11-27 20:28:51,789 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:51,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:28:51,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24350 states. [2024-11-27 20:28:51,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24350 to 24350. [2024-11-27 20:28:51,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24350 states, 24349 states have (on average 1.419811901926157) internal successors, (34571), 24349 states have internal predecessors, (34571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:52,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24350 states to 24350 states and 34571 transitions. [2024-11-27 20:28:52,012 INFO L78 Accepts]: Start accepts. Automaton has 24350 states and 34571 transitions. Word has length 321 [2024-11-27 20:28:52,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:52,012 INFO L471 AbstractCegarLoop]: Abstraction has 24350 states and 34571 transitions. [2024-11-27 20:28:52,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:52,012 INFO L276 IsEmpty]: Start isEmpty. Operand 24350 states and 34571 transitions. [2024-11-27 20:28:52,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-27 20:28:52,015 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:52,016 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:52,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-27 20:28:52,016 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:28:52,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:52,016 INFO L85 PathProgramCache]: Analyzing trace with hash -2117284134, now seen corresponding path program 1 times [2024-11-27 20:28:52,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:52,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815087213] [2024-11-27 20:28:52,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:52,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:52,793 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-27 20:28:52,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:52,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815087213] [2024-11-27 20:28:52,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815087213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:52,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:52,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:28:52,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622953690] [2024-11-27 20:28:52,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:52,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:28:52,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:52,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:28:52,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:28:52,795 INFO L87 Difference]: Start difference. First operand 24350 states and 34571 transitions. Second operand has 6 states, 6 states have (on average 52.333333333333336) internal successors, (314), 6 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:52,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:52,950 INFO L93 Difference]: Finished difference Result 48296 states and 68596 transitions. [2024-11-27 20:28:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:28:52,950 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 52.333333333333336) internal successors, (314), 6 states have internal predecessors, (314), 0 states have call successors, (0), 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 [2024-11-27 20:28:52,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:52,968 INFO L225 Difference]: With dead ends: 48296 [2024-11-27 20:28:52,968 INFO L226 Difference]: Without dead ends: 24340 [2024-11-27 20:28:52,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:28:52,981 INFO L435 NwaCegarLoop]: 423 mSDtfsCounter, 882 mSDsluCounter, 1251 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 1674 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:52,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 1674 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:28:52,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24340 states. [2024-11-27 20:28:53,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24340 to 24336. [2024-11-27 20:28:53,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24336 states, 24335 states have (on average 1.4198068625436613) internal successors, (34551), 24335 states have internal predecessors, (34551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:53,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24336 states to 24336 states and 34551 transitions. [2024-11-27 20:28:53,220 INFO L78 Accepts]: Start accepts. Automaton has 24336 states and 34551 transitions. Word has length 322 [2024-11-27 20:28:53,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:53,220 INFO L471 AbstractCegarLoop]: Abstraction has 24336 states and 34551 transitions. [2024-11-27 20:28:53,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 52.333333333333336) internal successors, (314), 6 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 24336 states and 34551 transitions. [2024-11-27 20:28:53,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-27 20:28:53,224 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:53,224 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:53,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-27 20:28:53,224 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:28:53,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:53,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1829185951, now seen corresponding path program 1 times [2024-11-27 20:28:53,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:53,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642563805] [2024-11-27 20:28:53,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:53,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:53,894 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:28:53,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:53,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642563805] [2024-11-27 20:28:53,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642563805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:53,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:53,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:28:53,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124098664] [2024-11-27 20:28:53,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:53,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:28:53,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:53,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:28:53,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:28:53,896 INFO L87 Difference]: Start difference. First operand 24336 states and 34551 transitions. Second operand has 4 states, 4 states have (on average 74.25) internal successors, (297), 4 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:53,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:53,993 INFO L93 Difference]: Finished difference Result 48596 states and 69028 transitions. [2024-11-27 20:28:53,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:28:53,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 4 states have internal predecessors, (297), 0 states have call successors, (0), 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 [2024-11-27 20:28:53,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:54,017 INFO L225 Difference]: With dead ends: 48596 [2024-11-27 20:28:54,017 INFO L226 Difference]: Without dead ends: 24548 [2024-11-27 20:28:54,029 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 [2024-11-27 20:28:54,030 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:54,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:28:54,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24548 states. [2024-11-27 20:28:54,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24548 to 24548. [2024-11-27 20:28:54,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24548 states, 24547 states have (on average 1.4161812034057115) internal successors, (34763), 24547 states have internal predecessors, (34763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:54,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24548 states to 24548 states and 34763 transitions. [2024-11-27 20:28:54,249 INFO L78 Accepts]: Start accepts. Automaton has 24548 states and 34763 transitions. Word has length 322 [2024-11-27 20:28:54,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:54,249 INFO L471 AbstractCegarLoop]: Abstraction has 24548 states and 34763 transitions. [2024-11-27 20:28:54,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 4 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:54,249 INFO L276 IsEmpty]: Start isEmpty. Operand 24548 states and 34763 transitions. [2024-11-27 20:28:54,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-27 20:28:54,252 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:54,253 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:54,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-27 20:28:54,253 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:28:54,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:54,253 INFO L85 PathProgramCache]: Analyzing trace with hash 969740762, now seen corresponding path program 1 times [2024-11-27 20:28:54,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:54,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856309879] [2024-11-27 20:28:54,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:54,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:54,955 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-27 20:28:54,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:54,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856309879] [2024-11-27 20:28:54,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856309879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:54,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:54,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:28:54,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835044476] [2024-11-27 20:28:54,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:54,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:28:54,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:54,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:28:54,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:28:54,957 INFO L87 Difference]: Start difference. First operand 24548 states and 34763 transitions. Second operand has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:55,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:55,056 INFO L93 Difference]: Finished difference Result 49215 states and 69734 transitions. [2024-11-27 20:28:55,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:28:55,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 0 states have call successors, (0), 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 [2024-11-27 20:28:55,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:55,076 INFO L225 Difference]: With dead ends: 49215 [2024-11-27 20:28:55,076 INFO L226 Difference]: Without dead ends: 24896 [2024-11-27 20:28:55,088 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 [2024-11-27 20:28:55,089 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:55,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:28:55,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24896 states. [2024-11-27 20:28:55,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24896 to 24896. [2024-11-27 20:28:55,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24896 states, 24895 states have (on average 1.410363526812613) internal successors, (35111), 24895 states have internal predecessors, (35111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:55,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24896 states to 24896 states and 35111 transitions. [2024-11-27 20:28:55,313 INFO L78 Accepts]: Start accepts. Automaton has 24896 states and 35111 transitions. Word has length 322 [2024-11-27 20:28:55,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:55,313 INFO L471 AbstractCegarLoop]: Abstraction has 24896 states and 35111 transitions. [2024-11-27 20:28:55,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:55,313 INFO L276 IsEmpty]: Start isEmpty. Operand 24896 states and 35111 transitions. [2024-11-27 20:28:55,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-27 20:28:55,318 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:55,318 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:55,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-11-27 20:28:55,319 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:28:55,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:55,319 INFO L85 PathProgramCache]: Analyzing trace with hash 84436414, now seen corresponding path program 1 times [2024-11-27 20:28:55,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:55,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665643201] [2024-11-27 20:28:55,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:55,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:57,149 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-11-27 20:28:57,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:57,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665643201] [2024-11-27 20:28:57,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665643201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:57,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:57,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:28:57,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753669678] [2024-11-27 20:28:57,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:57,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:28:57,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:57,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:28:57,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:28:57,151 INFO L87 Difference]: Start difference. First operand 24896 states and 35111 transitions. Second operand has 7 states, 7 states have (on average 38.714285714285715) internal successors, (271), 7 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:57,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:57,292 INFO L93 Difference]: Finished difference Result 52170 states and 73762 transitions. [2024-11-27 20:28:57,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:28:57,292 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 38.714285714285715) internal successors, (271), 7 states have internal predecessors, (271), 0 states have call successors, (0), 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 [2024-11-27 20:28:57,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:57,313 INFO L225 Difference]: With dead ends: 52170 [2024-11-27 20:28:57,313 INFO L226 Difference]: Without dead ends: 27427 [2024-11-27 20:28:57,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:28:57,327 INFO L435 NwaCegarLoop]: 428 mSDtfsCounter, 22 mSDsluCounter, 2123 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 2551 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:57,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 2551 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:28:57,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27427 states. [2024-11-27 20:28:57,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27427 to 27427. [2024-11-27 20:28:57,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27427 states, 27426 states have (on average 1.4082622329176693) internal successors, (38623), 27426 states have internal predecessors, (38623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:57,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27427 states to 27427 states and 38623 transitions. [2024-11-27 20:28:57,577 INFO L78 Accepts]: Start accepts. Automaton has 27427 states and 38623 transitions. Word has length 322 [2024-11-27 20:28:57,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:57,577 INFO L471 AbstractCegarLoop]: Abstraction has 27427 states and 38623 transitions. [2024-11-27 20:28:57,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 38.714285714285715) internal successors, (271), 7 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:57,578 INFO L276 IsEmpty]: Start isEmpty. Operand 27427 states and 38623 transitions. [2024-11-27 20:28:57,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-27 20:28:57,581 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:57,581 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:57,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-11-27 20:28:57,581 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:28:57,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:57,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1729245243, now seen corresponding path program 1 times [2024-11-27 20:28:57,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:57,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657980840] [2024-11-27 20:28:57,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:57,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:58,735 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-27 20:28:58,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:58,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657980840] [2024-11-27 20:28:58,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657980840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:58,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:58,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:28:58,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279154099] [2024-11-27 20:28:58,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:58,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:28:58,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:58,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:28:58,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:28:58,737 INFO L87 Difference]: Start difference. First operand 27427 states and 38623 transitions. Second operand has 5 states, 5 states have (on average 53.8) internal successors, (269), 5 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:58,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:58,896 INFO L93 Difference]: Finished difference Result 54962 states and 77440 transitions. [2024-11-27 20:28:58,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:28:58,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.8) internal successors, (269), 5 states have internal predecessors, (269), 0 states have call successors, (0), 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 [2024-11-27 20:28:58,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:58,917 INFO L225 Difference]: With dead ends: 54962 [2024-11-27 20:28:58,918 INFO L226 Difference]: Without dead ends: 27775 [2024-11-27 20:28:58,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:28:58,932 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:58,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:28:58,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27775 states. [2024-11-27 20:28:59,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27775 to 27775. [2024-11-27 20:28:59,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27775 states, 27774 states have (on average 1.4031468279686037) internal successors, (38971), 27774 states have internal predecessors, (38971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:59,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27775 states to 27775 states and 38971 transitions. [2024-11-27 20:28:59,212 INFO L78 Accepts]: Start accepts. Automaton has 27775 states and 38971 transitions. Word has length 322 [2024-11-27 20:28:59,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:59,212 INFO L471 AbstractCegarLoop]: Abstraction has 27775 states and 38971 transitions. [2024-11-27 20:28:59,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.8) internal successors, (269), 5 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:59,213 INFO L276 IsEmpty]: Start isEmpty. Operand 27775 states and 38971 transitions. [2024-11-27 20:28:59,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-27 20:28:59,217 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:59,218 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:59,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-11-27 20:28:59,218 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:28:59,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:59,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1438703833, now seen corresponding path program 1 times [2024-11-27 20:28:59,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:59,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024078361] [2024-11-27 20:28:59,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:59,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:59,892 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-27 20:28:59,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:59,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024078361] [2024-11-27 20:28:59,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024078361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:59,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:59,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:28:59,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380040667] [2024-11-27 20:28:59,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:59,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:28:59,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:59,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:28:59,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:28:59,894 INFO L87 Difference]: Start difference. First operand 27775 states and 38971 transitions. Second operand has 5 states, 5 states have (on average 59.4) internal successors, (297), 5 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:00,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:00,010 INFO L93 Difference]: Finished difference Result 55443 states and 77830 transitions. [2024-11-27 20:29:00,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:00,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 59.4) internal successors, (297), 5 states have internal predecessors, (297), 0 states have call successors, (0), 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 323 [2024-11-27 20:29:00,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:00,032 INFO L225 Difference]: With dead ends: 55443 [2024-11-27 20:29:00,032 INFO L226 Difference]: Without dead ends: 27987 [2024-11-27 20:29:00,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:00,047 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:00,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1716 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:00,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27987 states. [2024-11-27 20:29:00,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27987 to 27987. [2024-11-27 20:29:00,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27987 states, 27986 states have (on average 1.4000929035946545) internal successors, (39183), 27986 states have internal predecessors, (39183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:00,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27987 states to 27987 states and 39183 transitions. [2024-11-27 20:29:00,316 INFO L78 Accepts]: Start accepts. Automaton has 27987 states and 39183 transitions. Word has length 323 [2024-11-27 20:29:00,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:00,316 INFO L471 AbstractCegarLoop]: Abstraction has 27987 states and 39183 transitions. [2024-11-27 20:29:00,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 59.4) internal successors, (297), 5 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:00,316 INFO L276 IsEmpty]: Start isEmpty. Operand 27987 states and 39183 transitions. [2024-11-27 20:29:00,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-27 20:29:00,320 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:00,321 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:00,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-11-27 20:29:00,321 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:00,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:00,322 INFO L85 PathProgramCache]: Analyzing trace with hash -758056292, now seen corresponding path program 1 times [2024-11-27 20:29:00,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:00,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193153179] [2024-11-27 20:29:00,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:00,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:01,037 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-27 20:29:01,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:01,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193153179] [2024-11-27 20:29:01,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193153179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:01,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:01,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:29:01,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965204629] [2024-11-27 20:29:01,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:01,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:29:01,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:01,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:29:01,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:29:01,039 INFO L87 Difference]: Start difference. First operand 27987 states and 39183 transitions. Second operand has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:01,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:01,156 INFO L93 Difference]: Finished difference Result 56066 states and 78540 transitions. [2024-11-27 20:29:01,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:01,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 0 states have call successors, (0), 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 323 [2024-11-27 20:29:01,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:01,180 INFO L225 Difference]: With dead ends: 56066 [2024-11-27 20:29:01,180 INFO L226 Difference]: Without dead ends: 28335 [2024-11-27 20:29:01,194 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 [2024-11-27 20:29:01,194 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:01,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:01,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28335 states. [2024-11-27 20:29:01,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28335 to 28335. [2024-11-27 20:29:01,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28335 states, 28334 states have (on average 1.395178936966189) internal successors, (39531), 28334 states have internal predecessors, (39531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:01,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28335 states to 28335 states and 39531 transitions. [2024-11-27 20:29:01,447 INFO L78 Accepts]: Start accepts. Automaton has 28335 states and 39531 transitions. Word has length 323 [2024-11-27 20:29:01,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:01,447 INFO L471 AbstractCegarLoop]: Abstraction has 28335 states and 39531 transitions. [2024-11-27 20:29:01,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:01,447 INFO L276 IsEmpty]: Start isEmpty. Operand 28335 states and 39531 transitions. [2024-11-27 20:29:01,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-27 20:29:01,453 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:01,453 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:01,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-11-27 20:29:01,453 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:01,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:01,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1232207805, now seen corresponding path program 1 times [2024-11-27 20:29:01,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:01,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934314718] [2024-11-27 20:29:01,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:01,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:02,145 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-27 20:29:02,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:02,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934314718] [2024-11-27 20:29:02,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934314718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:02,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:02,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:02,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881599269] [2024-11-27 20:29:02,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:02,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:02,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:02,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:02,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:02,147 INFO L87 Difference]: Start difference. First operand 28335 states and 39531 transitions. Second operand has 5 states, 5 states have (on average 53.8) internal successors, (269), 5 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:02,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:02,285 INFO L93 Difference]: Finished difference Result 56821 states and 79314 transitions. [2024-11-27 20:29:02,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:02,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.8) internal successors, (269), 5 states have internal predecessors, (269), 0 states have call successors, (0), 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 323 [2024-11-27 20:29:02,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:02,307 INFO L225 Difference]: With dead ends: 56821 [2024-11-27 20:29:02,307 INFO L226 Difference]: Without dead ends: 28683 [2024-11-27 20:29:02,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:02,322 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:02,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1716 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:02,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28683 states. [2024-11-27 20:29:02,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28683 to 28683. [2024-11-27 20:29:02,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28683 states, 28682 states have (on average 1.390384213095321) internal successors, (39879), 28682 states have internal predecessors, (39879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:02,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28683 states to 28683 states and 39879 transitions. [2024-11-27 20:29:02,586 INFO L78 Accepts]: Start accepts. Automaton has 28683 states and 39879 transitions. Word has length 323 [2024-11-27 20:29:02,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:02,587 INFO L471 AbstractCegarLoop]: Abstraction has 28683 states and 39879 transitions. [2024-11-27 20:29:02,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.8) internal successors, (269), 5 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:02,587 INFO L276 IsEmpty]: Start isEmpty. Operand 28683 states and 39879 transitions. [2024-11-27 20:29:02,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-27 20:29:02,590 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:02,591 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:02,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-11-27 20:29:02,591 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:02,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:02,591 INFO L85 PathProgramCache]: Analyzing trace with hash -957320993, now seen corresponding path program 1 times [2024-11-27 20:29:02,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:02,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308368109] [2024-11-27 20:29:02,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:02,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-27 20:29:04,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:04,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308368109] [2024-11-27 20:29:04,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308368109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:04,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:04,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:29:04,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752082386] [2024-11-27 20:29:04,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:04,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:29:04,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:04,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:29:04,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:29:04,539 INFO L87 Difference]: Start difference. First operand 28683 states and 39879 transitions. Second operand has 7 states, 7 states have (on average 36.714285714285715) internal successors, (257), 7 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) [2024-11-27 20:29:04,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:04,696 INFO L93 Difference]: Finished difference Result 59280 states and 82622 transitions. [2024-11-27 20:29:04,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:29:04,697 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.714285714285715) internal successors, (257), 7 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 323 [2024-11-27 20:29:04,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:04,720 INFO L225 Difference]: With dead ends: 59280 [2024-11-27 20:29:04,721 INFO L226 Difference]: Without dead ends: 30722 [2024-11-27 20:29:04,736 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:29:04,736 INFO L435 NwaCegarLoop]: 428 mSDtfsCounter, 23 mSDsluCounter, 2123 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2551 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:04,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2551 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:04,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30722 states. [2024-11-27 20:29:04,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30722 to 30722. [2024-11-27 20:29:05,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30722 states, 30721 states have (on average 1.390351876566518) internal successors, (42713), 30721 states have internal predecessors, (42713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:05,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30722 states to 30722 states and 42713 transitions. [2024-11-27 20:29:05,039 INFO L78 Accepts]: Start accepts. Automaton has 30722 states and 42713 transitions. Word has length 323 [2024-11-27 20:29:05,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:05,039 INFO L471 AbstractCegarLoop]: Abstraction has 30722 states and 42713 transitions. [2024-11-27 20:29:05,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.714285714285715) internal successors, (257), 7 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) [2024-11-27 20:29:05,039 INFO L276 IsEmpty]: Start isEmpty. Operand 30722 states and 42713 transitions. [2024-11-27 20:29:05,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-27 20:29:05,042 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:05,042 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:05,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-11-27 20:29:05,043 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:05,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:05,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1589021256, now seen corresponding path program 1 times [2024-11-27 20:29:05,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:05,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682748281] [2024-11-27 20:29:05,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:05,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-27 20:29:05,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:05,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682748281] [2024-11-27 20:29:05,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682748281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:05,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:05,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:29:05,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172454284] [2024-11-27 20:29:05,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:05,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:29:05,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:05,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:29:05,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:29:05,799 INFO L87 Difference]: Start difference. First operand 30722 states and 42713 transitions. Second operand has 4 states, 4 states have (on average 63.75) internal successors, (255), 4 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:05,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:05,925 INFO L93 Difference]: Finished difference Result 61494 states and 85530 transitions. [2024-11-27 20:29:05,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:05,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.75) internal successors, (255), 4 states have internal predecessors, (255), 0 states have call successors, (0), 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 323 [2024-11-27 20:29:05,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:05,949 INFO L225 Difference]: With dead ends: 61494 [2024-11-27 20:29:05,949 INFO L226 Difference]: Without dead ends: 30982 [2024-11-27 20:29:05,965 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 [2024-11-27 20:29:05,965 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:05,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:05,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30982 states. [2024-11-27 20:29:06,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30982 to 30982. [2024-11-27 20:29:06,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30982 states, 30981 states have (on average 1.387075949775669) internal successors, (42973), 30981 states have internal predecessors, (42973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:06,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30982 states to 30982 states and 42973 transitions. [2024-11-27 20:29:06,252 INFO L78 Accepts]: Start accepts. Automaton has 30982 states and 42973 transitions. Word has length 323 [2024-11-27 20:29:06,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:06,253 INFO L471 AbstractCegarLoop]: Abstraction has 30982 states and 42973 transitions. [2024-11-27 20:29:06,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.75) internal successors, (255), 4 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:06,253 INFO L276 IsEmpty]: Start isEmpty. Operand 30982 states and 42973 transitions. [2024-11-27 20:29:06,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-27 20:29:06,256 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:06,256 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:06,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-11-27 20:29:06,256 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:06,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:06,257 INFO L85 PathProgramCache]: Analyzing trace with hash -362445435, now seen corresponding path program 1 times [2024-11-27 20:29:06,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:06,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747645657] [2024-11-27 20:29:06,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:06,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:07,043 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-27 20:29:07,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:07,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747645657] [2024-11-27 20:29:07,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747645657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:07,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:07,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:07,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458558079] [2024-11-27 20:29:07,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:07,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:07,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:07,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:07,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:07,045 INFO L87 Difference]: Start difference. First operand 30982 states and 42973 transitions. Second operand has 5 states, 5 states have (on average 51.0) internal successors, (255), 5 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:07,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:07,167 INFO L93 Difference]: Finished difference Result 62055 states and 86106 transitions. [2024-11-27 20:29:07,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:07,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 51.0) internal successors, (255), 5 states have internal predecessors, (255), 0 states have call successors, (0), 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 324 [2024-11-27 20:29:07,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:07,190 INFO L225 Difference]: With dead ends: 62055 [2024-11-27 20:29:07,190 INFO L226 Difference]: Without dead ends: 31242 [2024-11-27 20:29:07,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:07,206 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:07,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:07,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31242 states. [2024-11-27 20:29:07,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31242 to 31242. [2024-11-27 20:29:07,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31242 states, 31241 states have (on average 1.3838545501104318) internal successors, (43233), 31241 states have internal predecessors, (43233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:07,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31242 states to 31242 states and 43233 transitions. [2024-11-27 20:29:07,490 INFO L78 Accepts]: Start accepts. Automaton has 31242 states and 43233 transitions. Word has length 324 [2024-11-27 20:29:07,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:07,490 INFO L471 AbstractCegarLoop]: Abstraction has 31242 states and 43233 transitions. [2024-11-27 20:29:07,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 51.0) internal successors, (255), 5 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:07,490 INFO L276 IsEmpty]: Start isEmpty. Operand 31242 states and 43233 transitions. [2024-11-27 20:29:07,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-27 20:29:07,494 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:07,494 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:07,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2024-11-27 20:29:07,494 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:07,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:07,494 INFO L85 PathProgramCache]: Analyzing trace with hash -2017814424, now seen corresponding path program 1 times [2024-11-27 20:29:07,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:07,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850242455] [2024-11-27 20:29:07,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:07,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-27 20:29:08,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:08,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850242455] [2024-11-27 20:29:08,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850242455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:08,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:08,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:29:08,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369362983] [2024-11-27 20:29:08,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:08,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:29:08,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:08,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:29:08,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:29:08,219 INFO L87 Difference]: Start difference. First operand 31242 states and 43233 transitions. Second operand has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:08,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:08,407 INFO L93 Difference]: Finished difference Result 62072 states and 85916 transitions. [2024-11-27 20:29:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:29:08,408 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 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 324 [2024-11-27 20:29:08,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:08,431 INFO L225 Difference]: With dead ends: 62072 [2024-11-27 20:29:08,431 INFO L226 Difference]: Without dead ends: 31224 [2024-11-27 20:29:08,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:29:08,448 INFO L435 NwaCegarLoop]: 423 mSDtfsCounter, 867 mSDsluCounter, 1252 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 1675 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:08,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [867 Valid, 1675 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:29:08,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31224 states. [2024-11-27 20:29:08,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31224 to 31220. [2024-11-27 20:29:08,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31220 states, 31219 states have (on average 1.3838047342964221) internal successors, (43201), 31219 states have internal predecessors, (43201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:08,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31220 states to 31220 states and 43201 transitions. [2024-11-27 20:29:08,727 INFO L78 Accepts]: Start accepts. Automaton has 31220 states and 43201 transitions. Word has length 324 [2024-11-27 20:29:08,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:08,727 INFO L471 AbstractCegarLoop]: Abstraction has 31220 states and 43201 transitions. [2024-11-27 20:29:08,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:08,728 INFO L276 IsEmpty]: Start isEmpty. Operand 31220 states and 43201 transitions. [2024-11-27 20:29:08,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-27 20:29:08,731 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:08,731 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:08,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2024-11-27 20:29:08,731 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:08,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:08,732 INFO L85 PathProgramCache]: Analyzing trace with hash -650015967, now seen corresponding path program 1 times [2024-11-27 20:29:08,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:08,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645465733] [2024-11-27 20:29:08,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:08,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:09,390 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-27 20:29:09,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:09,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645465733] [2024-11-27 20:29:09,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645465733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:09,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:09,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:09,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048756731] [2024-11-27 20:29:09,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:09,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:09,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:09,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:09,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:09,392 INFO L87 Difference]: Start difference. First operand 31220 states and 43201 transitions. Second operand has 5 states, 5 states have (on average 56.6) internal successors, (283), 5 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:09,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:09,523 INFO L93 Difference]: Finished difference Result 62497 states and 86534 transitions. [2024-11-27 20:29:09,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:09,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 56.6) internal successors, (283), 5 states have internal predecessors, (283), 0 states have call successors, (0), 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 324 [2024-11-27 20:29:09,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:09,682 INFO L225 Difference]: With dead ends: 62497 [2024-11-27 20:29:09,682 INFO L226 Difference]: Without dead ends: 31568 [2024-11-27 20:29:09,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:09,689 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:09,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1716 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:09,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31568 states. [2024-11-27 20:29:09,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31568 to 31568. [2024-11-27 20:29:09,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31568 states, 31567 states have (on average 1.3795736053473564) internal successors, (43549), 31567 states have internal predecessors, (43549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:09,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31568 states to 31568 states and 43549 transitions. [2024-11-27 20:29:09,957 INFO L78 Accepts]: Start accepts. Automaton has 31568 states and 43549 transitions. Word has length 324 [2024-11-27 20:29:09,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:09,957 INFO L471 AbstractCegarLoop]: Abstraction has 31568 states and 43549 transitions. [2024-11-27 20:29:09,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 56.6) internal successors, (283), 5 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:09,957 INFO L276 IsEmpty]: Start isEmpty. Operand 31568 states and 43549 transitions. [2024-11-27 20:29:09,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-27 20:29:09,961 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:09,961 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:09,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2024-11-27 20:29:09,961 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:09,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:09,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1743611980, now seen corresponding path program 1 times [2024-11-27 20:29:09,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:09,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84587059] [2024-11-27 20:29:09,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:09,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:10,612 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-27 20:29:10,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:10,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84587059] [2024-11-27 20:29:10,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84587059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:10,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:10,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:29:10,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699580960] [2024-11-27 20:29:10,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:10,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:29:10,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:10,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:29:10,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:29:10,613 INFO L87 Difference]: Start difference. First operand 31568 states and 43549 transitions. Second operand has 4 states, 4 states have (on average 67.25) internal successors, (269), 4 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:10,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:10,732 INFO L93 Difference]: Finished difference Result 63256 states and 87312 transitions. [2024-11-27 20:29:10,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:10,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.25) internal successors, (269), 4 states have internal predecessors, (269), 0 states have call successors, (0), 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 324 [2024-11-27 20:29:10,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:10,756 INFO L225 Difference]: With dead ends: 63256 [2024-11-27 20:29:10,756 INFO L226 Difference]: Without dead ends: 31916 [2024-11-27 20:29:10,771 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 [2024-11-27 20:29:10,772 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:10,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:10,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31916 states. [2024-11-27 20:29:11,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31916 to 31916. [2024-11-27 20:29:11,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31916 states, 31915 states have (on average 1.3754347485508382) internal successors, (43897), 31915 states have internal predecessors, (43897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:11,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31916 states to 31916 states and 43897 transitions. [2024-11-27 20:29:11,188 INFO L78 Accepts]: Start accepts. Automaton has 31916 states and 43897 transitions. Word has length 324 [2024-11-27 20:29:11,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:11,188 INFO L471 AbstractCegarLoop]: Abstraction has 31916 states and 43897 transitions. [2024-11-27 20:29:11,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.25) internal successors, (269), 4 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:11,188 INFO L276 IsEmpty]: Start isEmpty. Operand 31916 states and 43897 transitions. [2024-11-27 20:29:11,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-27 20:29:11,191 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:11,191 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:11,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2024-11-27 20:29:11,192 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:11,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:11,192 INFO L85 PathProgramCache]: Analyzing trace with hash 102162537, now seen corresponding path program 1 times [2024-11-27 20:29:11,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:11,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360656870] [2024-11-27 20:29:11,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:11,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:11,903 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-27 20:29:11,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:11,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360656870] [2024-11-27 20:29:11,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360656870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:11,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:11,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:11,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817450746] [2024-11-27 20:29:11,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:11,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:11,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:11,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:11,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:11,905 INFO L87 Difference]: Start difference. First operand 31916 states and 43897 transitions. Second operand has 5 states, 5 states have (on average 48.6) internal successors, (243), 5 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:12,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:12,096 INFO L93 Difference]: Finished difference Result 65782 states and 90638 transitions. [2024-11-27 20:29:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:29:12,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 48.6) internal successors, (243), 5 states have internal predecessors, (243), 0 states have call successors, (0), 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 324 [2024-11-27 20:29:12,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:12,127 INFO L225 Difference]: With dead ends: 65782 [2024-11-27 20:29:12,127 INFO L226 Difference]: Without dead ends: 34024 [2024-11-27 20:29:12,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:12,145 INFO L435 NwaCegarLoop]: 432 mSDtfsCounter, 24 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:12,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 1717 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:12,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34024 states. [2024-11-27 20:29:12,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34024 to 34024. [2024-11-27 20:29:12,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34024 states, 34023 states have (on average 1.375922170296564) internal successors, (46813), 34023 states have internal predecessors, (46813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:12,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34024 states to 34024 states and 46813 transitions. [2024-11-27 20:29:12,597 INFO L78 Accepts]: Start accepts. Automaton has 34024 states and 46813 transitions. Word has length 324 [2024-11-27 20:29:12,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:12,597 INFO L471 AbstractCegarLoop]: Abstraction has 34024 states and 46813 transitions. [2024-11-27 20:29:12,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 48.6) internal successors, (243), 5 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:12,597 INFO L276 IsEmpty]: Start isEmpty. Operand 34024 states and 46813 transitions. [2024-11-27 20:29:12,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-27 20:29:12,603 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:12,603 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:12,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2024-11-27 20:29:12,604 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:12,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:12,604 INFO L85 PathProgramCache]: Analyzing trace with hash -150016196, now seen corresponding path program 1 times [2024-11-27 20:29:12,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:12,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172879492] [2024-11-27 20:29:12,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:12,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:13,635 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-27 20:29:13,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:13,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172879492] [2024-11-27 20:29:13,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172879492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:13,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:13,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:13,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290857508] [2024-11-27 20:29:13,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:13,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:13,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:13,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:13,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:13,637 INFO L87 Difference]: Start difference. First operand 34024 states and 46813 transitions. Second operand has 5 states, 5 states have (on average 53.8) internal successors, (269), 5 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:13,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:13,864 INFO L93 Difference]: Finished difference Result 67766 states and 93242 transitions. [2024-11-27 20:29:13,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:29:13,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.8) internal successors, (269), 5 states have internal predecessors, (269), 0 states have call successors, (0), 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 325 [2024-11-27 20:29:13,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:13,892 INFO L225 Difference]: With dead ends: 67766 [2024-11-27 20:29:13,892 INFO L226 Difference]: Without dead ends: 33990 [2024-11-27 20:29:13,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:29:13,911 INFO L435 NwaCegarLoop]: 424 mSDtfsCounter, 846 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:13,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 1261 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:13,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33990 states. [2024-11-27 20:29:14,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33990 to 33990. [2024-11-27 20:29:14,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33990 states, 33989 states have (on average 1.3757686310276853) internal successors, (46761), 33989 states have internal predecessors, (46761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:14,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33990 states to 33990 states and 46761 transitions. [2024-11-27 20:29:14,219 INFO L78 Accepts]: Start accepts. Automaton has 33990 states and 46761 transitions. Word has length 325 [2024-11-27 20:29:14,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:14,219 INFO L471 AbstractCegarLoop]: Abstraction has 33990 states and 46761 transitions. [2024-11-27 20:29:14,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.8) internal successors, (269), 5 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:14,220 INFO L276 IsEmpty]: Start isEmpty. Operand 33990 states and 46761 transitions. [2024-11-27 20:29:14,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-27 20:29:14,223 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:14,223 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:14,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2024-11-27 20:29:14,224 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:14,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:14,224 INFO L85 PathProgramCache]: Analyzing trace with hash -693684011, now seen corresponding path program 1 times [2024-11-27 20:29:14,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:14,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784002972] [2024-11-27 20:29:14,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:14,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:14,935 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-27 20:29:14,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:14,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784002972] [2024-11-27 20:29:14,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784002972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:14,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:14,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:29:14,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894093596] [2024-11-27 20:29:14,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:14,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:29:14,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:14,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:29:14,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:29:14,937 INFO L87 Difference]: Start difference. First operand 33990 states and 46761 transitions. Second operand has 6 states, 6 states have (on average 47.5) internal successors, (285), 6 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:15,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:15,120 INFO L93 Difference]: Finished difference Result 67649 states and 93084 transitions. [2024-11-27 20:29:15,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:29:15,121 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 47.5) internal successors, (285), 6 states have internal predecessors, (285), 0 states have call successors, (0), 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 325 [2024-11-27 20:29:15,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:15,145 INFO L225 Difference]: With dead ends: 67649 [2024-11-27 20:29:15,145 INFO L226 Difference]: Without dead ends: 33964 [2024-11-27 20:29:15,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:29:15,165 INFO L435 NwaCegarLoop]: 423 mSDtfsCounter, 810 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 810 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:15,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [810 Valid, 1258 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:15,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33964 states. [2024-11-27 20:29:15,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33964 to 33960. [2024-11-27 20:29:15,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33960 states, 33959 states have (on average 1.3756883300450544) internal successors, (46717), 33959 states have internal predecessors, (46717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:15,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33960 states to 33960 states and 46717 transitions. [2024-11-27 20:29:15,462 INFO L78 Accepts]: Start accepts. Automaton has 33960 states and 46717 transitions. Word has length 325 [2024-11-27 20:29:15,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:15,462 INFO L471 AbstractCegarLoop]: Abstraction has 33960 states and 46717 transitions. [2024-11-27 20:29:15,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 47.5) internal successors, (285), 6 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:15,462 INFO L276 IsEmpty]: Start isEmpty. Operand 33960 states and 46717 transitions. [2024-11-27 20:29:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-27 20:29:15,466 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:15,466 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:15,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2024-11-27 20:29:15,466 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:15,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:15,467 INFO L85 PathProgramCache]: Analyzing trace with hash 679062897, now seen corresponding path program 1 times [2024-11-27 20:29:15,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:15,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298811221] [2024-11-27 20:29:15,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:15,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:16,195 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-27 20:29:16,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:16,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298811221] [2024-11-27 20:29:16,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298811221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:16,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:16,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:16,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052293747] [2024-11-27 20:29:16,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:16,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:16,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:16,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:16,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:16,196 INFO L87 Difference]: Start difference. First operand 33960 states and 46717 transitions. Second operand has 5 states, 5 states have (on average 51.0) internal successors, (255), 5 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:16,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:16,315 INFO L93 Difference]: Finished difference Result 67991 states and 93568 transitions. [2024-11-27 20:29:16,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:16,315 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 51.0) internal successors, (255), 5 states have internal predecessors, (255), 0 states have call successors, (0), 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 325 [2024-11-27 20:29:16,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:16,340 INFO L225 Difference]: With dead ends: 67991 [2024-11-27 20:29:16,340 INFO L226 Difference]: Without dead ends: 34220 [2024-11-27 20:29:16,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:16,356 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:16,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:16,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34220 states. [2024-11-27 20:29:16,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34220 to 34220. [2024-11-27 20:29:16,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34220 states, 34219 states have (on average 1.3728338057804144) internal successors, (46977), 34219 states have internal predecessors, (46977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:16,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34220 states to 34220 states and 46977 transitions. [2024-11-27 20:29:16,652 INFO L78 Accepts]: Start accepts. Automaton has 34220 states and 46977 transitions. Word has length 325 [2024-11-27 20:29:16,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:16,652 INFO L471 AbstractCegarLoop]: Abstraction has 34220 states and 46977 transitions. [2024-11-27 20:29:16,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 51.0) internal successors, (255), 5 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:16,652 INFO L276 IsEmpty]: Start isEmpty. Operand 34220 states and 46977 transitions. [2024-11-27 20:29:16,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-27 20:29:16,658 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:16,658 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:16,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2024-11-27 20:29:16,659 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:16,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:16,659 INFO L85 PathProgramCache]: Analyzing trace with hash 807045464, now seen corresponding path program 1 times [2024-11-27 20:29:16,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:16,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003376872] [2024-11-27 20:29:16,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:16,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:17,351 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-27 20:29:17,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:17,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003376872] [2024-11-27 20:29:17,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003376872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:17,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:17,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:17,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447453222] [2024-11-27 20:29:17,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:17,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:17,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:17,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:17,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:17,353 INFO L87 Difference]: Start difference. First operand 34220 states and 46977 transitions. Second operand has 5 states, 5 states have (on average 48.2) internal successors, (241), 5 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:17,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:17,496 INFO L93 Difference]: Finished difference Result 68590 states and 94198 transitions. [2024-11-27 20:29:17,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:17,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 48.2) internal successors, (241), 5 states have internal predecessors, (241), 0 states have call successors, (0), 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 325 [2024-11-27 20:29:17,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:17,523 INFO L225 Difference]: With dead ends: 68590 [2024-11-27 20:29:17,523 INFO L226 Difference]: Without dead ends: 34504 [2024-11-27 20:29:17,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:17,540 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:17,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1716 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:17,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34504 states. [2024-11-27 20:29:17,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34504 to 34504. [2024-11-27 20:29:17,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34504 states, 34503 states have (on average 1.3697649479755383) internal successors, (47261), 34503 states have internal predecessors, (47261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:17,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34504 states to 34504 states and 47261 transitions. [2024-11-27 20:29:17,850 INFO L78 Accepts]: Start accepts. Automaton has 34504 states and 47261 transitions. Word has length 325 [2024-11-27 20:29:17,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:17,850 INFO L471 AbstractCegarLoop]: Abstraction has 34504 states and 47261 transitions. [2024-11-27 20:29:17,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 48.2) internal successors, (241), 5 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:17,850 INFO L276 IsEmpty]: Start isEmpty. Operand 34504 states and 47261 transitions. [2024-11-27 20:29:17,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-27 20:29:17,854 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:17,854 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:17,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2024-11-27 20:29:17,855 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:17,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:17,855 INFO L85 PathProgramCache]: Analyzing trace with hash -353614066, now seen corresponding path program 1 times [2024-11-27 20:29:17,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:17,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484412090] [2024-11-27 20:29:17,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:17,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:18,499 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-27 20:29:18,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:18,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484412090] [2024-11-27 20:29:18,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484412090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:18,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:18,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:29:18,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221430981] [2024-11-27 20:29:18,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:18,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:29:18,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:18,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:29:18,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:29:18,501 INFO L87 Difference]: Start difference. First operand 34504 states and 47261 transitions. Second operand has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:18,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:18,638 INFO L93 Difference]: Finished difference Result 69116 states and 94704 transitions. [2024-11-27 20:29:18,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:18,638 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 325 [2024-11-27 20:29:18,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:18,665 INFO L225 Difference]: With dead ends: 69116 [2024-11-27 20:29:18,665 INFO L226 Difference]: Without dead ends: 34738 [2024-11-27 20:29:18,682 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 [2024-11-27 20:29:18,683 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:18,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:18,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34738 states. [2024-11-27 20:29:18,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34738 to 34738. [2024-11-27 20:29:18,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34738 states, 34737 states have (on average 1.3672740881480843) internal successors, (47495), 34737 states have internal predecessors, (47495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:18,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34738 states to 34738 states and 47495 transitions. [2024-11-27 20:29:18,990 INFO L78 Accepts]: Start accepts. Automaton has 34738 states and 47495 transitions. Word has length 325 [2024-11-27 20:29:18,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:18,990 INFO L471 AbstractCegarLoop]: Abstraction has 34738 states and 47495 transitions. [2024-11-27 20:29:18,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:18,990 INFO L276 IsEmpty]: Start isEmpty. Operand 34738 states and 47495 transitions. [2024-11-27 20:29:18,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-27 20:29:18,994 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:18,994 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:18,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2024-11-27 20:29:18,994 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:18,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:18,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1632181684, now seen corresponding path program 1 times [2024-11-27 20:29:18,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:18,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089785674] [2024-11-27 20:29:18,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:18,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:19,751 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-27 20:29:19,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:19,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089785674] [2024-11-27 20:29:19,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089785674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:19,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:19,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:29:19,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792637064] [2024-11-27 20:29:19,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:19,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:29:19,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:19,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:29:19,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:29:19,752 INFO L87 Difference]: Start difference. First operand 34738 states and 47495 transitions. Second operand has 4 states, 4 states have (on average 63.75) internal successors, (255), 4 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:19,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:19,892 INFO L93 Difference]: Finished difference Result 69549 states and 95130 transitions. [2024-11-27 20:29:19,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:19,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.75) internal successors, (255), 4 states have internal predecessors, (255), 0 states have call successors, (0), 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 326 [2024-11-27 20:29:19,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:19,920 INFO L225 Difference]: With dead ends: 69549 [2024-11-27 20:29:19,920 INFO L226 Difference]: Without dead ends: 34998 [2024-11-27 20:29:19,937 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 [2024-11-27 20:29:19,938 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:19,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:19,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34998 states. [2024-11-27 20:29:20,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34998 to 34998. [2024-11-27 20:29:20,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34998 states, 34997 states have (on average 1.3645455324742122) internal successors, (47755), 34997 states have internal predecessors, (47755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:20,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34998 states to 34998 states and 47755 transitions. [2024-11-27 20:29:20,257 INFO L78 Accepts]: Start accepts. Automaton has 34998 states and 47755 transitions. Word has length 326 [2024-11-27 20:29:20,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:20,257 INFO L471 AbstractCegarLoop]: Abstraction has 34998 states and 47755 transitions. [2024-11-27 20:29:20,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.75) internal successors, (255), 4 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:20,257 INFO L276 IsEmpty]: Start isEmpty. Operand 34998 states and 47755 transitions. [2024-11-27 20:29:20,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-27 20:29:20,263 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:20,263 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:20,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2024-11-27 20:29:20,264 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:20,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:20,264 INFO L85 PathProgramCache]: Analyzing trace with hash 647214263, now seen corresponding path program 1 times [2024-11-27 20:29:20,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:20,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174894691] [2024-11-27 20:29:20,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:20,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:21,104 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-27 20:29:21,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:21,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174894691] [2024-11-27 20:29:21,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174894691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:21,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:21,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:21,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610303517] [2024-11-27 20:29:21,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:21,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:21,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:21,105 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:21,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:21,105 INFO L87 Difference]: Start difference. First operand 34998 states and 47755 transitions. Second operand has 5 states, 5 states have (on average 48.2) internal successors, (241), 5 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:21,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:21,254 INFO L93 Difference]: Finished difference Result 70152 states and 95764 transitions. [2024-11-27 20:29:21,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:21,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 48.2) internal successors, (241), 5 states have internal predecessors, (241), 0 states have call successors, (0), 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 326 [2024-11-27 20:29:21,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:21,282 INFO L225 Difference]: With dead ends: 70152 [2024-11-27 20:29:21,282 INFO L226 Difference]: Without dead ends: 35282 [2024-11-27 20:29:21,300 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:21,300 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:21,300 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1716 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:21,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35282 states. [2024-11-27 20:29:21,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35282 to 35282. [2024-11-27 20:29:21,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35282 states, 35281 states have (on average 1.3616110654459908) internal successors, (48039), 35281 states have internal predecessors, (48039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:21,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35282 states to 35282 states and 48039 transitions. [2024-11-27 20:29:21,619 INFO L78 Accepts]: Start accepts. Automaton has 35282 states and 48039 transitions. Word has length 326 [2024-11-27 20:29:21,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:21,619 INFO L471 AbstractCegarLoop]: Abstraction has 35282 states and 48039 transitions. [2024-11-27 20:29:21,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 48.2) internal successors, (241), 5 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:21,619 INFO L276 IsEmpty]: Start isEmpty. Operand 35282 states and 48039 transitions. [2024-11-27 20:29:21,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-27 20:29:21,622 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:21,623 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:21,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2024-11-27 20:29:21,623 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:21,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:21,623 INFO L85 PathProgramCache]: Analyzing trace with hash -2071433392, now seen corresponding path program 1 times [2024-11-27 20:29:21,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:21,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523064311] [2024-11-27 20:29:21,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:21,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:22,385 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-27 20:29:22,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:22,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523064311] [2024-11-27 20:29:22,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523064311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:22,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:22,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:22,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594093816] [2024-11-27 20:29:22,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:22,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:22,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:22,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:22,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:22,386 INFO L87 Difference]: Start difference. First operand 35282 states and 48039 transitions. Second operand has 5 states, 5 states have (on average 46.4) internal successors, (232), 5 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:22,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:22,524 INFO L93 Difference]: Finished difference Result 70704 states and 96304 transitions. [2024-11-27 20:29:22,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:22,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.4) internal successors, (232), 5 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 326 [2024-11-27 20:29:22,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:22,551 INFO L225 Difference]: With dead ends: 70704 [2024-11-27 20:29:22,551 INFO L226 Difference]: Without dead ends: 35516 [2024-11-27 20:29:22,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:22,569 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:22,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:22,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35516 states. [2024-11-27 20:29:22,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35516 to 35516. [2024-11-27 20:29:22,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35516 states, 35515 states have (on average 1.3592284950021118) internal successors, (48273), 35515 states have internal predecessors, (48273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:22,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35516 states to 35516 states and 48273 transitions. [2024-11-27 20:29:22,900 INFO L78 Accepts]: Start accepts. Automaton has 35516 states and 48273 transitions. Word has length 326 [2024-11-27 20:29:22,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:22,900 INFO L471 AbstractCegarLoop]: Abstraction has 35516 states and 48273 transitions. [2024-11-27 20:29:22,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.4) internal successors, (232), 5 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:22,901 INFO L276 IsEmpty]: Start isEmpty. Operand 35516 states and 48273 transitions. [2024-11-27 20:29:22,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-27 20:29:22,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:22,905 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:22,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2024-11-27 20:29:22,905 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:22,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:22,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1176752170, now seen corresponding path program 1 times [2024-11-27 20:29:22,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:22,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070124800] [2024-11-27 20:29:22,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:22,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:23,634 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-27 20:29:23,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:23,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070124800] [2024-11-27 20:29:23,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070124800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:23,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:23,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:23,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311684677] [2024-11-27 20:29:23,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:23,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:23,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:23,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:23,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:23,636 INFO L87 Difference]: Start difference. First operand 35516 states and 48273 transitions. Second operand has 5 states, 5 states have (on average 51.0) internal successors, (255), 5 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:23,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:23,828 INFO L93 Difference]: Finished difference Result 70805 states and 96240 transitions. [2024-11-27 20:29:23,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:29:23,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 51.0) internal successors, (255), 5 states have internal predecessors, (255), 0 states have call successors, (0), 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 327 [2024-11-27 20:29:23,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:23,855 INFO L225 Difference]: With dead ends: 70805 [2024-11-27 20:29:23,855 INFO L226 Difference]: Without dead ends: 35474 [2024-11-27 20:29:23,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:29:23,873 INFO L435 NwaCegarLoop]: 424 mSDtfsCounter, 780 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:23,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [780 Valid, 1261 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:23,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35474 states. [2024-11-27 20:29:24,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35474 to 35474. [2024-11-27 20:29:24,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35474 states, 35473 states have (on average 1.3590336312124716) internal successors, (48209), 35473 states have internal predecessors, (48209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:24,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35474 states to 35474 states and 48209 transitions. [2024-11-27 20:29:24,189 INFO L78 Accepts]: Start accepts. Automaton has 35474 states and 48209 transitions. Word has length 327 [2024-11-27 20:29:24,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:24,189 INFO L471 AbstractCegarLoop]: Abstraction has 35474 states and 48209 transitions. [2024-11-27 20:29:24,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 51.0) internal successors, (255), 5 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:24,189 INFO L276 IsEmpty]: Start isEmpty. Operand 35474 states and 48209 transitions. [2024-11-27 20:29:24,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-27 20:29:24,193 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:24,193 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:24,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2024-11-27 20:29:24,193 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:24,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:24,194 INFO L85 PathProgramCache]: Analyzing trace with hash 106114257, now seen corresponding path program 1 times [2024-11-27 20:29:24,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:24,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683877456] [2024-11-27 20:29:24,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:24,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-27 20:29:24,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:24,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683877456] [2024-11-27 20:29:24,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683877456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:24,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:24,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:24,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300409389] [2024-11-27 20:29:24,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:24,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:24,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:24,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:24,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:24,963 INFO L87 Difference]: Start difference. First operand 35474 states and 48209 transitions. Second operand has 5 states, 5 states have (on average 48.2) internal successors, (241), 5 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:25,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:25,131 INFO L93 Difference]: Finished difference Result 71110 states and 96682 transitions. [2024-11-27 20:29:25,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:25,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 48.2) internal successors, (241), 5 states have internal predecessors, (241), 0 states have call successors, (0), 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 327 [2024-11-27 20:29:25,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:25,174 INFO L225 Difference]: With dead ends: 71110 [2024-11-27 20:29:25,174 INFO L226 Difference]: Without dead ends: 35758 [2024-11-27 20:29:25,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:25,199 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:25,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:25,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35758 states. [2024-11-27 20:29:25,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35758 to 35758. [2024-11-27 20:29:25,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35758 states, 35757 states have (on average 1.3561820063204408) internal successors, (48493), 35757 states have internal predecessors, (48493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:25,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35758 states to 35758 states and 48493 transitions. [2024-11-27 20:29:25,545 INFO L78 Accepts]: Start accepts. Automaton has 35758 states and 48493 transitions. Word has length 327 [2024-11-27 20:29:25,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:25,545 INFO L471 AbstractCegarLoop]: Abstraction has 35758 states and 48493 transitions. [2024-11-27 20:29:25,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 48.2) internal successors, (241), 5 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:25,545 INFO L276 IsEmpty]: Start isEmpty. Operand 35758 states and 48493 transitions. [2024-11-27 20:29:25,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-27 20:29:25,549 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:25,549 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:25,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2024-11-27 20:29:25,549 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:25,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:25,550 INFO L85 PathProgramCache]: Analyzing trace with hash -925197401, now seen corresponding path program 1 times [2024-11-27 20:29:25,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:25,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966251154] [2024-11-27 20:29:25,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:25,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:26,201 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-27 20:29:26,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:26,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966251154] [2024-11-27 20:29:26,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966251154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:26,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:26,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:29:26,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828963905] [2024-11-27 20:29:26,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:26,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:29:26,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:26,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:29:26,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:29:26,203 INFO L87 Difference]: Start difference. First operand 35758 states and 48493 transitions. Second operand has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:26,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:26,355 INFO L93 Difference]: Finished difference Result 71660 states and 97218 transitions. [2024-11-27 20:29:26,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:26,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 327 [2024-11-27 20:29:26,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:26,383 INFO L225 Difference]: With dead ends: 71660 [2024-11-27 20:29:26,383 INFO L226 Difference]: Without dead ends: 35992 [2024-11-27 20:29:26,402 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 [2024-11-27 20:29:26,402 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:26,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:26,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35992 states. [2024-11-27 20:29:26,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35992 to 35992. [2024-11-27 20:29:26,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35992 states, 35991 states have (on average 1.3538662443388625) internal successors, (48727), 35991 states have internal predecessors, (48727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:26,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35992 states to 35992 states and 48727 transitions. [2024-11-27 20:29:26,731 INFO L78 Accepts]: Start accepts. Automaton has 35992 states and 48727 transitions. Word has length 327 [2024-11-27 20:29:26,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:26,732 INFO L471 AbstractCegarLoop]: Abstraction has 35992 states and 48727 transitions. [2024-11-27 20:29:26,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:26,732 INFO L276 IsEmpty]: Start isEmpty. Operand 35992 states and 48727 transitions. [2024-11-27 20:29:26,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-11-27 20:29:26,735 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:26,736 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:26,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2024-11-27 20:29:26,736 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:26,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:26,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1943383486, now seen corresponding path program 1 times [2024-11-27 20:29:26,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:26,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572374597] [2024-11-27 20:29:26,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:26,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:27,389 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-27 20:29:27,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:27,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572374597] [2024-11-27 20:29:27,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572374597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:27,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:27,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:29:27,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030882559] [2024-11-27 20:29:27,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:27,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:29:27,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:27,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:29:27,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:29:27,391 INFO L87 Difference]: Start difference. First operand 35992 states and 48727 transitions. Second operand has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:27,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:27,530 INFO L93 Difference]: Finished difference Result 71210 states and 96316 transitions. [2024-11-27 20:29:27,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:27,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 328 [2024-11-27 20:29:27,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:27,557 INFO L225 Difference]: With dead ends: 71210 [2024-11-27 20:29:27,557 INFO L226 Difference]: Without dead ends: 35334 [2024-11-27 20:29:27,575 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 [2024-11-27 20:29:27,576 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:27,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1289 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:27,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35334 states. [2024-11-27 20:29:27,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35334 to 35334. [2024-11-27 20:29:27,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35334 states, 35333 states have (on average 1.3498712252002378) internal successors, (47695), 35333 states have internal predecessors, (47695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:27,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35334 states to 35334 states and 47695 transitions. [2024-11-27 20:29:27,908 INFO L78 Accepts]: Start accepts. Automaton has 35334 states and 47695 transitions. Word has length 328 [2024-11-27 20:29:27,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:27,909 INFO L471 AbstractCegarLoop]: Abstraction has 35334 states and 47695 transitions. [2024-11-27 20:29:27,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:27,909 INFO L276 IsEmpty]: Start isEmpty. Operand 35334 states and 47695 transitions. [2024-11-27 20:29:27,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-11-27 20:29:27,913 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:27,914 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:27,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2024-11-27 20:29:27,914 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:27,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:27,914 INFO L85 PathProgramCache]: Analyzing trace with hash 41526071, now seen corresponding path program 1 times [2024-11-27 20:29:27,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:27,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018279834] [2024-11-27 20:29:27,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:27,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:28,739 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-27 20:29:28,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:28,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018279834] [2024-11-27 20:29:28,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018279834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:28,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:28,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:28,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695512636] [2024-11-27 20:29:28,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:28,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:28,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:28,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:28,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:28,741 INFO L87 Difference]: Start difference. First operand 35334 states and 47695 transitions. Second operand has 5 states, 5 states have (on average 46.4) internal successors, (232), 5 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:28,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:28,890 INFO L93 Difference]: Finished difference Result 70816 states and 95628 transitions. [2024-11-27 20:29:28,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:28,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.4) internal successors, (232), 5 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 328 [2024-11-27 20:29:28,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:28,918 INFO L225 Difference]: With dead ends: 70816 [2024-11-27 20:29:28,918 INFO L226 Difference]: Without dead ends: 35568 [2024-11-27 20:29:28,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:28,935 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 0 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:28,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1716 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:29:28,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35568 states. [2024-11-27 20:29:29,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35568 to 35568. [2024-11-27 20:29:29,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35568 states, 35567 states have (on average 1.3475693761070655) internal successors, (47929), 35567 states have internal predecessors, (47929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:29,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35568 states to 35568 states and 47929 transitions. [2024-11-27 20:29:29,268 INFO L78 Accepts]: Start accepts. Automaton has 35568 states and 47929 transitions. Word has length 328 [2024-11-27 20:29:29,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:29,268 INFO L471 AbstractCegarLoop]: Abstraction has 35568 states and 47929 transitions. [2024-11-27 20:29:29,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.4) internal successors, (232), 5 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:29,268 INFO L276 IsEmpty]: Start isEmpty. Operand 35568 states and 47929 transitions. [2024-11-27 20:29:29,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-11-27 20:29:29,272 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:29,272 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:29,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2024-11-27 20:29:29,272 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:29,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:29,273 INFO L85 PathProgramCache]: Analyzing trace with hash 839283520, now seen corresponding path program 1 times [2024-11-27 20:29:29,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:29,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820861074] [2024-11-27 20:29:29,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:29,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:32,830 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-27 20:29:32,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:32,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820861074] [2024-11-27 20:29:32,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820861074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:32,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:32,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:32,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992689526] [2024-11-27 20:29:32,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:32,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:32,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:32,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:32,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:32,832 INFO L87 Difference]: Start difference. First operand 35568 states and 47929 transitions. Second operand has 5 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:33,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:33,054 INFO L93 Difference]: Finished difference Result 69442 states and 93674 transitions. [2024-11-27 20:29:33,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:29:33,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 0 states have call successors, (0), 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 329 [2024-11-27 20:29:33,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:33,079 INFO L225 Difference]: With dead ends: 69442 [2024-11-27 20:29:33,080 INFO L226 Difference]: Without dead ends: 34408 [2024-11-27 20:29:33,096 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:33,097 INFO L435 NwaCegarLoop]: 410 mSDtfsCounter, 114 mSDsluCounter, 1169 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 1579 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:33,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 1579 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:29:33,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34408 states. [2024-11-27 20:29:33,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34408 to 34408. [2024-11-27 20:29:33,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34408 states, 34407 states have (on average 1.348446537041881) internal successors, (46396), 34407 states have internal predecessors, (46396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:33,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34408 states to 34408 states and 46396 transitions. [2024-11-27 20:29:33,544 INFO L78 Accepts]: Start accepts. Automaton has 34408 states and 46396 transitions. Word has length 329 [2024-11-27 20:29:33,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:33,544 INFO L471 AbstractCegarLoop]: Abstraction has 34408 states and 46396 transitions. [2024-11-27 20:29:33,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:33,545 INFO L276 IsEmpty]: Start isEmpty. Operand 34408 states and 46396 transitions. [2024-11-27 20:29:33,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-11-27 20:29:33,549 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:33,549 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:33,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2024-11-27 20:29:33,550 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:33,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:33,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1444722647, now seen corresponding path program 1 times [2024-11-27 20:29:33,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:33,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855024869] [2024-11-27 20:29:33,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:33,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:37,610 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-27 20:29:37,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:37,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855024869] [2024-11-27 20:29:37,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855024869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:37,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:37,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-27 20:29:37,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378493954] [2024-11-27 20:29:37,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:37,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-27 20:29:37,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:37,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-27 20:29:37,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2024-11-27 20:29:37,612 INFO L87 Difference]: Start difference. First operand 34408 states and 46396 transitions. Second operand has 25 states, 25 states have (on average 12.92) internal successors, (323), 25 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:39,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:39,829 INFO L93 Difference]: Finished difference Result 68696 states and 92638 transitions. [2024-11-27 20:29:39,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 20:29:39,830 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 12.92) internal successors, (323), 25 states have internal predecessors, (323), 0 states have call successors, (0), 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 329 [2024-11-27 20:29:39,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:39,856 INFO L225 Difference]: With dead ends: 68696 [2024-11-27 20:29:39,856 INFO L226 Difference]: Without dead ends: 34550 [2024-11-27 20:29:39,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=176, Invalid=2080, Unknown=0, NotChecked=0, Total=2256 [2024-11-27 20:29:39,875 INFO L435 NwaCegarLoop]: 463 mSDtfsCounter, 868 mSDsluCounter, 9889 mSDsCounter, 0 mSdLazyCounter, 2509 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 10352 SdHoareTripleChecker+Invalid, 2516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:39,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [868 Valid, 10352 Invalid, 2516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2509 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-27 20:29:39,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34550 states. [2024-11-27 20:29:40,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34550 to 34549. [2024-11-27 20:29:40,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34549 states, 34548 states have (on average 1.347632279726757) internal successors, (46558), 34548 states have internal predecessors, (46558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:40,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34549 states to 34549 states and 46558 transitions. [2024-11-27 20:29:40,203 INFO L78 Accepts]: Start accepts. Automaton has 34549 states and 46558 transitions. Word has length 329 [2024-11-27 20:29:40,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:40,203 INFO L471 AbstractCegarLoop]: Abstraction has 34549 states and 46558 transitions. [2024-11-27 20:29:40,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 12.92) internal successors, (323), 25 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:40,204 INFO L276 IsEmpty]: Start isEmpty. Operand 34549 states and 46558 transitions. [2024-11-27 20:29:40,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-27 20:29:40,207 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:40,207 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:40,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2024-11-27 20:29:40,207 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:40,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:40,208 INFO L85 PathProgramCache]: Analyzing trace with hash 220487946, now seen corresponding path program 1 times [2024-11-27 20:29:40,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:40,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274576718] [2024-11-27 20:29:40,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:40,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:44,724 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-27 20:29:44,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:44,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274576718] [2024-11-27 20:29:44,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274576718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:44,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:44,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 20:29:44,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462256388] [2024-11-27 20:29:44,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:44,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:29:44,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:44,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:29:44,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:29:44,726 INFO L87 Difference]: Start difference. First operand 34549 states and 46558 transitions. Second operand has 10 states, 10 states have (on average 23.3) internal successors, (233), 10 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:45,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:45,188 INFO L93 Difference]: Finished difference Result 69008 states and 92998 transitions. [2024-11-27 20:29:45,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:29:45,188 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 23.3) internal successors, (233), 10 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 330 [2024-11-27 20:29:45,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:45,214 INFO L225 Difference]: With dead ends: 69008 [2024-11-27 20:29:45,214 INFO L226 Difference]: Without dead ends: 34549 [2024-11-27 20:29:45,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:29:45,233 INFO L435 NwaCegarLoop]: 404 mSDtfsCounter, 759 mSDsluCounter, 2814 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 3218 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:45,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 3218 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:29:45,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34549 states. [2024-11-27 20:29:45,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34549 to 34549. [2024-11-27 20:29:45,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34549 states, 34548 states have (on average 1.3476033344911427) internal successors, (46557), 34548 states have internal predecessors, (46557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:45,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34549 states to 34549 states and 46557 transitions. [2024-11-27 20:29:45,555 INFO L78 Accepts]: Start accepts. Automaton has 34549 states and 46557 transitions. Word has length 330 [2024-11-27 20:29:45,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:45,555 INFO L471 AbstractCegarLoop]: Abstraction has 34549 states and 46557 transitions. [2024-11-27 20:29:45,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 23.3) internal successors, (233), 10 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:45,555 INFO L276 IsEmpty]: Start isEmpty. Operand 34549 states and 46557 transitions. [2024-11-27 20:29:45,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-11-27 20:29:45,558 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:45,558 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:45,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2024-11-27 20:29:45,559 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:45,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:45,559 INFO L85 PathProgramCache]: Analyzing trace with hash 2053071887, now seen corresponding path program 1 times [2024-11-27 20:29:45,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:45,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498427379] [2024-11-27 20:29:45,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:45,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:48,863 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-27 20:29:48,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:48,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498427379] [2024-11-27 20:29:48,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498427379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:48,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:48,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 20:29:48,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336079201] [2024-11-27 20:29:48,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:48,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:29:48,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:48,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:29:48,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:29:48,865 INFO L87 Difference]: Start difference. First operand 34549 states and 46557 transitions. Second operand has 8 states, 8 states have (on average 29.125) internal successors, (233), 8 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:49,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:49,170 INFO L93 Difference]: Finished difference Result 69014 states and 93004 transitions. [2024-11-27 20:29:49,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:29:49,171 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 29.125) internal successors, (233), 8 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 331 [2024-11-27 20:29:49,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:49,197 INFO L225 Difference]: With dead ends: 69014 [2024-11-27 20:29:49,197 INFO L226 Difference]: Without dead ends: 34549 [2024-11-27 20:29:49,215 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:29:49,215 INFO L435 NwaCegarLoop]: 410 mSDtfsCounter, 757 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 757 SdHoareTripleChecker+Valid, 2039 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:49,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [757 Valid, 2039 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:29:49,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34549 states. [2024-11-27 20:29:49,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34549 to 34549. [2024-11-27 20:29:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34549 states, 34548 states have (on average 1.3475743892555285) internal successors, (46556), 34548 states have internal predecessors, (46556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:49,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34549 states to 34549 states and 46556 transitions. [2024-11-27 20:29:49,528 INFO L78 Accepts]: Start accepts. Automaton has 34549 states and 46556 transitions. Word has length 331 [2024-11-27 20:29:49,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:49,528 INFO L471 AbstractCegarLoop]: Abstraction has 34549 states and 46556 transitions. [2024-11-27 20:29:49,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 29.125) internal successors, (233), 8 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:49,528 INFO L276 IsEmpty]: Start isEmpty. Operand 34549 states and 46556 transitions. [2024-11-27 20:29:49,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-27 20:29:49,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:49,532 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:49,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2024-11-27 20:29:49,532 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:49,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:49,532 INFO L85 PathProgramCache]: Analyzing trace with hash -2127204183, now seen corresponding path program 1 times [2024-11-27 20:29:49,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:49,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544152896] [2024-11-27 20:29:49,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:49,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:53,610 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-27 20:29:53,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:53,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544152896] [2024-11-27 20:29:53,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544152896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:53,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:53,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:29:53,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763923802] [2024-11-27 20:29:53,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:53,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:29:53,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:53,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:29:53,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:29:53,611 INFO L87 Difference]: Start difference. First operand 34549 states and 46556 transitions. Second operand has 13 states, 13 states have (on average 18.23076923076923) internal successors, (237), 13 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) [2024-11-27 20:29:54,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:54,272 INFO L93 Difference]: Finished difference Result 68996 states and 92980 transitions. [2024-11-27 20:29:54,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:29:54,272 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 18.23076923076923) internal successors, (237), 13 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) Word has length 332 [2024-11-27 20:29:54,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:54,297 INFO L225 Difference]: With dead ends: 68996 [2024-11-27 20:29:54,297 INFO L226 Difference]: Without dead ends: 34549 [2024-11-27 20:29:54,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=425, Unknown=0, NotChecked=0, Total=506 [2024-11-27 20:29:54,313 INFO L435 NwaCegarLoop]: 394 mSDtfsCounter, 754 mSDsluCounter, 3923 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 4317 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:54,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [754 Valid, 4317 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:29:54,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34549 states. [2024-11-27 20:29:54,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34549 to 34549. [2024-11-27 20:29:54,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34549 states, 34548 states have (on average 1.3475454440199144) internal successors, (46555), 34548 states have internal predecessors, (46555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:54,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34549 states to 34549 states and 46555 transitions. [2024-11-27 20:29:54,639 INFO L78 Accepts]: Start accepts. Automaton has 34549 states and 46555 transitions. Word has length 332 [2024-11-27 20:29:54,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:54,639 INFO L471 AbstractCegarLoop]: Abstraction has 34549 states and 46555 transitions. [2024-11-27 20:29:54,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 18.23076923076923) internal successors, (237), 13 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) [2024-11-27 20:29:54,639 INFO L276 IsEmpty]: Start isEmpty. Operand 34549 states and 46555 transitions. [2024-11-27 20:29:54,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2024-11-27 20:29:54,642 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:54,643 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:54,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2024-11-27 20:29:54,643 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:29:54,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:54,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1260806160, now seen corresponding path program 1 times [2024-11-27 20:29:54,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:54,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607194284] [2024-11-27 20:29:54,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:54,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:59,730 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-27 20:29:59,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:59,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607194284] [2024-11-27 20:29:59,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607194284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:59,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:59,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 20:29:59,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299816801] [2024-11-27 20:29:59,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:59,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:29:59,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:59,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:29:59,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:29:59,732 INFO L87 Difference]: Start difference. First operand 34549 states and 46555 transitions. Second operand has 13 states, 13 states have (on average 18.307692307692307) internal successors, (238), 13 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:30:00,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:30:00,438 INFO L93 Difference]: Finished difference Result 69000 states and 92984 transitions. [2024-11-27 20:30:00,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 20:30:00,438 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 18.307692307692307) internal successors, (238), 13 states have internal predecessors, (238), 0 states have call successors, (0), 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 333 [2024-11-27 20:30:00,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:30:00,462 INFO L225 Difference]: With dead ends: 69000 [2024-11-27 20:30:00,462 INFO L226 Difference]: Without dead ends: 34551 [2024-11-27 20:30:00,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=509, Unknown=0, NotChecked=0, Total=600 [2024-11-27 20:30:00,478 INFO L435 NwaCegarLoop]: 396 mSDtfsCounter, 759 mSDsluCounter, 3938 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 4334 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:30:00,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 4334 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:30:00,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34551 states. [2024-11-27 20:30:00,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34551 to 34549. [2024-11-27 20:30:00,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34549 states, 34548 states have (on average 1.3475454440199144) internal successors, (46555), 34548 states have internal predecessors, (46555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:30:00,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34549 states to 34549 states and 46555 transitions. [2024-11-27 20:30:00,794 INFO L78 Accepts]: Start accepts. Automaton has 34549 states and 46555 transitions. Word has length 333 [2024-11-27 20:30:00,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:30:00,794 INFO L471 AbstractCegarLoop]: Abstraction has 34549 states and 46555 transitions. [2024-11-27 20:30:00,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 18.307692307692307) internal successors, (238), 13 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:30:00,794 INFO L276 IsEmpty]: Start isEmpty. Operand 34549 states and 46555 transitions. [2024-11-27 20:30:00,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-11-27 20:30:00,798 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:30:00,798 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:30:00,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2024-11-27 20:30:00,798 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:30:00,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:30:00,799 INFO L85 PathProgramCache]: Analyzing trace with hash 73331656, now seen corresponding path program 1 times [2024-11-27 20:30:00,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:30:00,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251932426] [2024-11-27 20:30:00,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:00,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:30:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-27 20:30:05,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:30:05,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251932426] [2024-11-27 20:30:05,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251932426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:30:05,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:30:05,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-27 20:30:05,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733934896] [2024-11-27 20:30:05,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:30:05,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 20:30:05,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:30:05,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 20:30:05,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:30:05,045 INFO L87 Difference]: Start difference. First operand 34549 states and 46555 transitions. Second operand has 15 states, 15 states have (on average 16.0) internal successors, (240), 15 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:30:06,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:30:06,110 INFO L93 Difference]: Finished difference Result 68500 states and 92395 transitions. [2024-11-27 20:30:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 20:30:06,110 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 16.0) internal successors, (240), 15 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 334 [2024-11-27 20:30:06,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:30:06,133 INFO L225 Difference]: With dead ends: 68500 [2024-11-27 20:30:06,133 INFO L226 Difference]: Without dead ends: 34408 [2024-11-27 20:30:06,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2024-11-27 20:30:06,144 INFO L435 NwaCegarLoop]: 389 mSDtfsCounter, 751 mSDsluCounter, 4648 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 5037 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:30:06,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 5037 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:30:06,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34408 states. [2024-11-27 20:30:06,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34408 to 34408. [2024-11-27 20:30:06,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34408 states, 34407 states have (on average 1.3483302816287384) internal successors, (46392), 34407 states have internal predecessors, (46392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:30:06,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34408 states to 34408 states and 46392 transitions. [2024-11-27 20:30:06,468 INFO L78 Accepts]: Start accepts. Automaton has 34408 states and 46392 transitions. Word has length 334 [2024-11-27 20:30:06,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:30:06,468 INFO L471 AbstractCegarLoop]: Abstraction has 34408 states and 46392 transitions. [2024-11-27 20:30:06,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 16.0) internal successors, (240), 15 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:30:06,468 INFO L276 IsEmpty]: Start isEmpty. Operand 34408 states and 46392 transitions. [2024-11-27 20:30:06,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-11-27 20:30:06,471 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:30:06,472 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:30:06,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2024-11-27 20:30:06,472 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:30:06,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:30:06,473 INFO L85 PathProgramCache]: Analyzing trace with hash -807772863, now seen corresponding path program 1 times [2024-11-27 20:30:06,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:30:06,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943067806] [2024-11-27 20:30:06,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:06,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:30:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 33 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:30:13,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:30:13,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943067806] [2024-11-27 20:30:13,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943067806] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:30:13,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36137136] [2024-11-27 20:30:13,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:13,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:30:13,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:30:13,257 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:30:13,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-27 20:30:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:17,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 2074 conjuncts, 117 conjuncts are in the unsatisfiable core [2024-11-27 20:30:17,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:30:23,586 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 13 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:30:23,586 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:30:32,940 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 13 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:30:32,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36137136] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:30:32,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:30:32,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 21, 23] total 51 [2024-11-27 20:30:32,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469201321] [2024-11-27 20:30:32,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:30:32,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-27 20:30:32,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:30:32,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-27 20:30:32,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=503, Invalid=2047, Unknown=0, NotChecked=0, Total=2550 [2024-11-27 20:30:32,943 INFO L87 Difference]: Start difference. First operand 34408 states and 46392 transitions. Second operand has 51 states, 51 states have (on average 19.215686274509803) internal successors, (980), 51 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:30:43,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:30:43,151 INFO L93 Difference]: Finished difference Result 110603 states and 148993 transitions. [2024-11-27 20:30:43,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-11-27 20:30:43,152 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 19.215686274509803) internal successors, (980), 51 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 334 [2024-11-27 20:30:43,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:30:43,212 INFO L225 Difference]: With dead ends: 110603 [2024-11-27 20:30:43,212 INFO L226 Difference]: Without dead ends: 79025 [2024-11-27 20:30:43,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 760 GetRequests, 631 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5191 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=3184, Invalid=13846, Unknown=0, NotChecked=0, Total=17030 [2024-11-27 20:30:43,241 INFO L435 NwaCegarLoop]: 1448 mSDtfsCounter, 11253 mSDsluCounter, 29807 mSDsCounter, 0 mSdLazyCounter, 4480 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11253 SdHoareTripleChecker+Valid, 31255 SdHoareTripleChecker+Invalid, 4515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 4480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:30:43,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11253 Valid, 31255 Invalid, 4515 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [35 Valid, 4480 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-27 20:30:43,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79025 states. [2024-11-27 20:30:43,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79025 to 41216. [2024-11-27 20:30:43,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41216 states, 41215 states have (on average 1.3466699017348054) internal successors, (55503), 41215 states have internal predecessors, (55503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:30:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41216 states to 41216 states and 55503 transitions. [2024-11-27 20:30:43,950 INFO L78 Accepts]: Start accepts. Automaton has 41216 states and 55503 transitions. Word has length 334 [2024-11-27 20:30:43,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:30:43,950 INFO L471 AbstractCegarLoop]: Abstraction has 41216 states and 55503 transitions. [2024-11-27 20:30:43,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 19.215686274509803) internal successors, (980), 51 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:30:43,951 INFO L276 IsEmpty]: Start isEmpty. Operand 41216 states and 55503 transitions. [2024-11-27 20:30:43,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-11-27 20:30:43,957 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:30:43,957 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:30:43,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-27 20:30:44,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:30:44,157 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:30:44,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:30:44,158 INFO L85 PathProgramCache]: Analyzing trace with hash 720223848, now seen corresponding path program 1 times [2024-11-27 20:30:44,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:30:44,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948072946] [2024-11-27 20:30:44,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:44,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:30:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:47,805 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-27 20:30:47,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:30:47,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948072946] [2024-11-27 20:30:47,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948072946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:30:47,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:30:47,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:30:47,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720226114] [2024-11-27 20:30:47,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:30:47,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:30:47,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:30:47,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:30:47,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:30:47,807 INFO L87 Difference]: Start difference. First operand 41216 states and 55503 transitions. Second operand has 5 states, 5 states have (on average 66.2) internal successors, (331), 5 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:30:48,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:30:48,051 INFO L93 Difference]: Finished difference Result 79432 states and 107101 transitions. [2024-11-27 20:30:48,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:30:48,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 66.2) internal successors, (331), 5 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 335 [2024-11-27 20:30:48,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:30:48,082 INFO L225 Difference]: With dead ends: 79432 [2024-11-27 20:30:48,082 INFO L226 Difference]: Without dead ends: 41100 [2024-11-27 20:30:48,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:30:48,103 INFO L435 NwaCegarLoop]: 418 mSDtfsCounter, 104 mSDsluCounter, 1187 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1605 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:30:48,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1605 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:30:48,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41100 states. [2024-11-27 20:30:48,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41100 to 41100. [2024-11-27 20:30:48,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41100 states, 41099 states have (on average 1.3466994330762305) internal successors, (55348), 41099 states have internal predecessors, (55348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:30:48,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41100 states to 41100 states and 55348 transitions. [2024-11-27 20:30:48,508 INFO L78 Accepts]: Start accepts. Automaton has 41100 states and 55348 transitions. Word has length 335 [2024-11-27 20:30:48,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:30:48,509 INFO L471 AbstractCegarLoop]: Abstraction has 41100 states and 55348 transitions. [2024-11-27 20:30:48,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 66.2) internal successors, (331), 5 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:30:48,509 INFO L276 IsEmpty]: Start isEmpty. Operand 41100 states and 55348 transitions. [2024-11-27 20:30:48,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-11-27 20:30:48,514 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:30:48,514 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:30:48,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2024-11-27 20:30:48,515 INFO L396 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:30:48,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:30:48,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1402235876, now seen corresponding path program 1 times [2024-11-27 20:30:48,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:30:48,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855239116] [2024-11-27 20:30:48,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:48,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:30:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:30:52,443 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:30:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:30:56,482 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 20:30:56,484 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 20:30:56,485 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:30:56,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2024-11-27 20:30:56,490 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:30:56,718 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:30:56,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:30:56 BoogieIcfgContainer [2024-11-27 20:30:56,721 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:30:56,722 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:30:56,722 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:30:56,722 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:30:56,723 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:24:43" (3/4) ... [2024-11-27 20:30:56,725 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:30:56,726 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:30:56,727 INFO L158 Benchmark]: Toolchain (without parser) took 376165.98ms. Allocated memory was 142.6MB in the beginning and 4.7GB in the end (delta: 4.6GB). Free memory was 118.5MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-27 20:30:56,727 INFO L158 Benchmark]: CDTParser took 1.68ms. Allocated memory is still 142.6MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:30:56,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.98ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 94.8MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 20:30:56,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 178.39ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 70.5MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 20:30:56,727 INFO L158 Benchmark]: Boogie Preprocessor took 234.67ms. Allocated memory is still 142.6MB. Free memory was 70.2MB in the beginning and 100.3MB in the end (delta: -30.0MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-11-27 20:30:56,727 INFO L158 Benchmark]: RCFGBuilder took 2166.96ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 100.3MB in the beginning and 300.3MB in the end (delta: -200.0MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. [2024-11-27 20:30:56,728 INFO L158 Benchmark]: TraceAbstraction took 373038.30ms. Allocated memory was 427.8MB in the beginning and 4.7GB in the end (delta: 4.3GB). Free memory was 299.6MB in the beginning and 3.7GB in the end (delta: -3.4GB). Peak memory consumption was 925.0MB. Max. memory is 16.1GB. [2024-11-27 20:30:56,728 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 4.7GB. Free memory was 3.7GB in the beginning and 3.7GB in the end (delta: 77.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:30:56,734 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.68ms. Allocated memory is still 142.6MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.98ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 94.8MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 178.39ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 70.5MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 234.67ms. Allocated memory is still 142.6MB. Free memory was 70.2MB in the beginning and 100.3MB in the end (delta: -30.0MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2166.96ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 100.3MB in the beginning and 300.3MB in the end (delta: -200.0MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. * TraceAbstraction took 373038.30ms. Allocated memory was 427.8MB in the beginning and 4.7GB in the end (delta: 4.3GB). Free memory was 299.6MB in the beginning and 3.7GB in the end (delta: -3.4GB). Peak memory consumption was 925.0MB. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 4.7GB. Free memory was 3.7GB in the beginning and 3.7GB in the end (delta: 77.3kB). There was no memory consumed. 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 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 194, overapproximation of bitwiseAnd at line 343, overapproximation of bitwiseAnd at line 204, overapproximation of bitwiseAnd at line 179, overapproximation of bitwiseAnd at line 244, overapproximation of bitwiseAnd at line 209, overapproximation of bitwiseAnd at line 310, overapproximation of bitwiseAnd at line 184, overapproximation of bitwiseAnd at line 92, overapproximation of bitwiseAnd at line 199, overapproximation of bitwiseAnd at line 277, overapproximation of bitwiseAnd at line 189, overapproximation of bitwiseAnd at line 376, overapproximation of bitwiseAnd at line 423. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_27 mask_SORT_27 = (SORT_27)-1 >> (sizeof(SORT_27) * 8 - 6); [L30] const SORT_27 msb_SORT_27 = (SORT_27)1 << (6 - 1); [L32] const SORT_1 var_3 = 0; [L33] const SORT_1 var_9 = 1; [L34] const SORT_27 var_28 = 0; [L35] const SORT_27 var_32 = 19; [L36] const SORT_27 var_45 = 17; [L37] const SORT_27 var_158 = 3; [L39] SORT_1 input_2; [L41] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_27=63, var_158=3, var_28=0, var_32=19, var_3=0, var_45=17, var_9=1] [L41] SORT_1 state_4 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L42] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_27=63, var_158=3, var_28=0, var_32=19, var_3=0, var_45=17, var_9=1] [L42] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L43] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_27=63, var_158=3, var_28=0, var_32=19, var_3=0, var_45=17, var_9=1] [L43] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_27=63, var_158=3, var_28=0, var_32=19, var_3=0, var_45=17, var_9=1] [L44] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_27=63, var_158=3, var_28=0, var_32=19, var_3=0, var_45=17, var_9=1] [L45] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_27=63, var_158=3, var_28=0, var_32=19, var_3=0, var_45=17, var_9=1] [L46] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_27=63, var_158=3, var_28=0, var_32=19, var_3=0, var_45=17, var_9=1] [L47] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_27=63, var_158=3, var_28=0, var_32=19, var_3=0, var_45=17, var_9=1] [L48] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_27 VAL [mask_SORT_1=1, mask_SORT_27=63, var_158=3, var_28=0, var_32=19, var_3=0, var_45=17, var_9=1] [L49] SORT_27 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_27; [L51] SORT_1 init_5_arg_1 = var_3; [L52] state_4 = init_5_arg_1 [L53] SORT_1 init_14_arg_1 = var_9; [L54] state_13 = init_14_arg_1 [L55] SORT_1 init_16_arg_1 = var_3; [L56] state_15 = init_16_arg_1 [L57] SORT_1 init_18_arg_1 = var_3; [L58] state_17 = init_18_arg_1 [L59] SORT_1 init_20_arg_1 = var_3; [L60] state_19 = init_20_arg_1 [L61] SORT_1 init_22_arg_1 = var_3; [L62] state_21 = init_22_arg_1 [L63] SORT_1 init_24_arg_1 = var_3; [L64] state_23 = init_24_arg_1 [L65] SORT_1 init_26_arg_1 = var_9; [L66] state_25 = init_26_arg_1 [L67] SORT_27 init_30_arg_1 = var_28; [L68] state_29 = init_30_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L71] input_2 = __VERIFIER_nondet_uchar() [L74] SORT_1 var_6_arg_0 = state_4; [L75] SORT_1 var_6 = ~var_6_arg_0; [L76] SORT_1 var_10_arg_0 = var_6; [L77] SORT_1 var_10 = ~var_10_arg_0; [L78] SORT_1 var_11_arg_0 = var_9; [L79] SORT_1 var_11_arg_1 = var_10; VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_11_arg_0=1, var_11_arg_1=-256, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L80] EXPR var_11_arg_0 & var_11_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L80] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L81] EXPR var_11 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L81] var_11 = var_11 & mask_SORT_1 [L82] SORT_1 bad_12_arg_0 = var_11; [L83] CALL __VERIFIER_assert(!(bad_12_arg_0)) [L21] COND FALSE !(!(cond)) [L83] RET __VERIFIER_assert(!(bad_12_arg_0)) [L85] SORT_27 var_33_arg_0 = state_29; [L86] SORT_27 var_33_arg_1 = var_32; [L87] SORT_1 var_33 = var_33_arg_0 < var_33_arg_1; [L88] SORT_1 var_34_arg_0 = var_33; [L89] SORT_1 var_34 = ~var_34_arg_0; [L90] SORT_1 var_35_arg_0 = state_15; [L91] SORT_1 var_35_arg_1 = var_34; VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_35_arg_0=0, var_35_arg_1=-2, var_3=0, var_45=17, var_9=1] [L92] EXPR var_35_arg_0 & var_35_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L92] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L93] SORT_1 var_36_arg_0 = state_4; [L94] SORT_1 var_36_arg_1 = var_35; VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_36_arg_0=0, var_36_arg_1=0, var_3=0, var_45=17, var_9=1] [L95] EXPR var_36_arg_0 | var_36_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L95] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L96] SORT_27 var_37_arg_0 = state_29; [L97] SORT_27 var_37_arg_1 = var_32; [L98] SORT_1 var_37 = var_37_arg_0 < var_37_arg_1; [L99] SORT_1 var_38_arg_0 = var_37; [L100] SORT_1 var_38 = ~var_38_arg_0; [L101] SORT_1 var_39_arg_0 = state_21; [L102] SORT_1 var_39_arg_1 = var_38; VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_36=0, var_39_arg_0=0, var_39_arg_1=-2, var_3=0, var_45=17, var_9=1] [L103] EXPR var_39_arg_0 & var_39_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_36=0, var_3=0, var_45=17, var_9=1] [L103] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L104] SORT_1 var_40_arg_0 = var_36; [L105] SORT_1 var_40_arg_1 = var_39; VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_40_arg_0=0, var_40_arg_1=0, var_45=17, var_9=1] [L106] EXPR var_40_arg_0 | var_40_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L106] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L107] SORT_1 var_41_arg_0 = state_25; [L108] SORT_1 var_41_arg_1 = var_40; [L109] SORT_1 var_41_arg_2 = state_4; [L110] SORT_1 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L111] SORT_1 next_42_arg_1 = var_41; [L112] SORT_1 var_43_arg_0 = state_25; [L113] SORT_1 var_43_arg_1 = var_3; [L114] SORT_1 var_43_arg_2 = state_13; [L115] SORT_1 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L116] SORT_1 next_44_arg_1 = var_43; [L117] SORT_27 var_46_arg_0 = state_29; [L118] SORT_27 var_46_arg_1 = var_45; [L119] SORT_1 var_46 = var_46_arg_0 < var_46_arg_1; [L120] SORT_1 var_47_arg_0 = state_19; [L121] SORT_1 var_47_arg_1 = var_46; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_47_arg_0=0, var_47_arg_1=1, var_9=1] [L122] EXPR var_47_arg_0 & var_47_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L122] SORT_1 var_47 = var_47_arg_0 & var_47_arg_1; [L123] SORT_1 var_48_arg_0 = state_13; [L124] SORT_1 var_48_arg_1 = var_47; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_48_arg_0=1, var_48_arg_1=0, var_9=1] [L125] EXPR var_48_arg_0 | var_48_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L125] SORT_1 var_48 = var_48_arg_0 | var_48_arg_1; [L126] SORT_1 var_49_arg_0 = state_25; [L127] SORT_1 var_49_arg_1 = var_48; [L128] SORT_1 var_49_arg_2 = state_15; [L129] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_49=1, var_9=1] [L130] EXPR var_49 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L130] var_49 = var_49 & mask_SORT_1 [L131] SORT_1 next_50_arg_1 = var_49; [L132] SORT_27 var_51_arg_0 = state_29; [L133] SORT_27 var_51_arg_1 = var_32; [L134] SORT_1 var_51 = var_51_arg_0 < var_51_arg_1; [L135] SORT_1 var_52_arg_0 = state_15; [L136] SORT_1 var_52_arg_1 = var_51; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_52_arg_0=0, var_52_arg_1=1, var_9=1] [L137] EXPR var_52_arg_0 & var_52_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L137] SORT_1 var_52 = var_52_arg_0 & var_52_arg_1; [L138] SORT_1 var_53_arg_0 = state_25; [L139] SORT_1 var_53_arg_1 = var_52; [L140] SORT_1 var_53_arg_2 = state_17; [L141] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L142] SORT_1 next_54_arg_1 = var_53; [L143] SORT_1 var_55_arg_0 = state_25; [L144] SORT_1 var_55_arg_1 = state_17; [L145] SORT_1 var_55_arg_2 = state_19; [L146] SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L147] SORT_1 next_56_arg_1 = var_55; [L148] SORT_27 var_57_arg_0 = state_29; [L149] SORT_27 var_57_arg_1 = var_45; [L150] SORT_1 var_57 = var_57_arg_0 < var_57_arg_1; [L151] SORT_1 var_58_arg_0 = var_57; [L152] SORT_1 var_58 = ~var_58_arg_0; [L153] SORT_1 var_59_arg_0 = state_19; [L154] SORT_1 var_59_arg_1 = var_58; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_59_arg_0=0, var_59_arg_1=-2, var_9=1] [L155] EXPR var_59_arg_0 & var_59_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L155] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L156] SORT_1 var_60_arg_0 = state_25; [L157] SORT_1 var_60_arg_1 = var_59; [L158] SORT_1 var_60_arg_2 = state_21; [L159] SORT_1 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L160] SORT_1 next_61_arg_1 = var_60; [L161] SORT_27 var_62_arg_0 = state_29; [L162] SORT_27 var_62_arg_1 = var_32; [L163] SORT_1 var_62 = var_62_arg_0 < var_62_arg_1; [L164] SORT_1 var_63_arg_0 = state_21; [L165] SORT_1 var_63_arg_1 = var_62; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_63_arg_0=0, var_63_arg_1=1, var_9=1] [L166] EXPR var_63_arg_0 & var_63_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L166] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L167] SORT_1 var_64_arg_0 = state_23; [L168] SORT_1 var_64_arg_1 = var_63; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_64_arg_0=0, var_64_arg_1=0, var_9=1] [L169] EXPR var_64_arg_0 | var_64_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L169] SORT_1 var_64 = var_64_arg_0 | var_64_arg_1; [L170] SORT_1 var_65_arg_0 = state_25; [L171] SORT_1 var_65_arg_1 = var_64; [L172] SORT_1 var_65_arg_2 = state_23; [L173] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L174] SORT_1 next_66_arg_1 = var_65; [L175] SORT_1 var_67_arg_0 = state_15; [L176] SORT_1 var_67 = ~var_67_arg_0; [L177] SORT_1 var_68_arg_0 = state_13; [L178] SORT_1 var_68_arg_1 = var_67; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_68_arg_0=1, var_68_arg_1=-1, var_9=1] [L179] EXPR var_68_arg_0 & var_68_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L179] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L180] SORT_1 var_69_arg_0 = state_17; [L181] SORT_1 var_69 = ~var_69_arg_0; [L182] SORT_1 var_70_arg_0 = var_68; [L183] SORT_1 var_70_arg_1 = var_69; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_70_arg_0=1, var_70_arg_1=-1, var_9=1] [L184] EXPR var_70_arg_0 & var_70_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L184] SORT_1 var_70 = var_70_arg_0 & var_70_arg_1; [L185] SORT_1 var_71_arg_0 = state_19; [L186] SORT_1 var_71 = ~var_71_arg_0; [L187] SORT_1 var_72_arg_0 = var_70; [L188] SORT_1 var_72_arg_1 = var_71; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_72_arg_0=1, var_72_arg_1=-1, var_9=1] [L189] EXPR var_72_arg_0 & var_72_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L189] SORT_1 var_72 = var_72_arg_0 & var_72_arg_1; [L190] SORT_1 var_73_arg_0 = state_21; [L191] SORT_1 var_73 = ~var_73_arg_0; [L192] SORT_1 var_74_arg_0 = var_72; [L193] SORT_1 var_74_arg_1 = var_73; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_74_arg_0=1, var_74_arg_1=-1, var_9=1] [L194] EXPR var_74_arg_0 & var_74_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L194] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L195] SORT_1 var_75_arg_0 = state_23; [L196] SORT_1 var_75 = ~var_75_arg_0; [L197] SORT_1 var_76_arg_0 = var_74; [L198] SORT_1 var_76_arg_1 = var_75; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_76_arg_0=1, var_76_arg_1=-1, var_9=1] [L199] EXPR var_76_arg_0 & var_76_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L199] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L200] SORT_1 var_77_arg_0 = state_4; [L201] SORT_1 var_77 = ~var_77_arg_0; [L202] SORT_1 var_78_arg_0 = var_76; [L203] SORT_1 var_78_arg_1 = var_77; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78_arg_0=1, var_78_arg_1=-1, var_9=1] [L204] EXPR var_78_arg_0 & var_78_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L204] SORT_1 var_78 = var_78_arg_0 & var_78_arg_1; [L205] SORT_1 var_79_arg_0 = state_13; [L206] SORT_1 var_79 = ~var_79_arg_0; [L207] SORT_1 var_80_arg_0 = var_79; [L208] SORT_1 var_80_arg_1 = state_15; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=1, var_80_arg_0=-2, var_80_arg_1=0, var_9=1] [L209] EXPR var_80_arg_0 & var_80_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=1, var_9=1] [L209] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; [L210] SORT_1 var_81_arg_0 = state_17; [L211] SORT_1 var_81 = ~var_81_arg_0; [L212] SORT_1 var_82_arg_0 = var_80; [L213] SORT_1 var_82_arg_1 = var_81; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=1, var_82_arg_0=0, var_82_arg_1=-1, var_9=1] [L214] EXPR var_82_arg_0 & var_82_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=1, var_9=1] [L214] SORT_1 var_82 = var_82_arg_0 & var_82_arg_1; [L215] SORT_1 var_83_arg_0 = state_19; [L216] SORT_1 var_83 = ~var_83_arg_0; [L217] SORT_1 var_84_arg_0 = var_82; [L218] SORT_1 var_84_arg_1 = var_83; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=1, var_84_arg_0=0, var_84_arg_1=-1, var_9=1] [L219] EXPR var_84_arg_0 & var_84_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=1, var_9=1] [L219] SORT_1 var_84 = var_84_arg_0 & var_84_arg_1; [L220] SORT_1 var_85_arg_0 = state_21; [L221] SORT_1 var_85 = ~var_85_arg_0; [L222] SORT_1 var_86_arg_0 = var_84; [L223] SORT_1 var_86_arg_1 = var_85; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=1, var_86_arg_0=0, var_86_arg_1=-1, var_9=1] [L224] EXPR var_86_arg_0 & var_86_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=1, var_9=1] [L224] SORT_1 var_86 = var_86_arg_0 & var_86_arg_1; [L225] SORT_1 var_87_arg_0 = state_23; [L226] SORT_1 var_87 = ~var_87_arg_0; [L227] SORT_1 var_88_arg_0 = var_86; [L228] SORT_1 var_88_arg_1 = var_87; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=1, var_88_arg_0=0, var_88_arg_1=-1, var_9=1] [L229] EXPR var_88_arg_0 & var_88_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=1, var_9=1] [L229] SORT_1 var_88 = var_88_arg_0 & var_88_arg_1; [L230] SORT_1 var_89_arg_0 = state_4; [L231] SORT_1 var_89 = ~var_89_arg_0; [L232] SORT_1 var_90_arg_0 = var_88; [L233] SORT_1 var_90_arg_1 = var_89; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=1, var_90_arg_0=0, var_90_arg_1=-1, var_9=1] [L234] EXPR var_90_arg_0 & var_90_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=1, var_9=1] [L234] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L235] SORT_1 var_91_arg_0 = var_78; [L236] SORT_1 var_91_arg_1 = var_90; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91_arg_0=1, var_91_arg_1=0, var_9=1] [L237] EXPR var_91_arg_0 | var_91_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L237] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L238] SORT_1 var_92_arg_0 = state_13; [L239] SORT_1 var_92 = ~var_92_arg_0; [L240] SORT_1 var_93_arg_0 = state_15; [L241] SORT_1 var_93 = ~var_93_arg_0; [L242] SORT_1 var_94_arg_0 = var_92; [L243] SORT_1 var_94_arg_1 = var_93; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=1, var_94_arg_0=-2, var_94_arg_1=-1, var_9=1] [L244] EXPR var_94_arg_0 & var_94_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=1, var_9=1] [L244] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L245] SORT_1 var_95_arg_0 = var_94; [L246] SORT_1 var_95_arg_1 = state_17; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=1, var_95_arg_0=0, var_95_arg_1=0, var_9=1] [L247] EXPR var_95_arg_0 & var_95_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=1, var_9=1] [L247] SORT_1 var_95 = var_95_arg_0 & var_95_arg_1; [L248] SORT_1 var_96_arg_0 = state_19; [L249] SORT_1 var_96 = ~var_96_arg_0; [L250] SORT_1 var_97_arg_0 = var_95; [L251] SORT_1 var_97_arg_1 = var_96; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=1, var_97_arg_0=0, var_97_arg_1=-1, var_9=1] [L252] EXPR var_97_arg_0 & var_97_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=1, var_9=1] [L252] SORT_1 var_97 = var_97_arg_0 & var_97_arg_1; [L253] SORT_1 var_98_arg_0 = state_21; [L254] SORT_1 var_98 = ~var_98_arg_0; [L255] SORT_1 var_99_arg_0 = var_97; [L256] SORT_1 var_99_arg_1 = var_98; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=1, var_99_arg_0=0, var_99_arg_1=-1, var_9=1] [L257] EXPR var_99_arg_0 & var_99_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=1, var_9=1] [L257] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L258] SORT_1 var_100_arg_0 = state_23; [L259] SORT_1 var_100 = ~var_100_arg_0; [L260] SORT_1 var_101_arg_0 = var_99; [L261] SORT_1 var_101_arg_1 = var_100; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_101_arg_0=0, var_101_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_91=1, var_9=1] [L262] EXPR var_101_arg_0 & var_101_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=1, var_9=1] [L262] SORT_1 var_101 = var_101_arg_0 & var_101_arg_1; [L263] SORT_1 var_102_arg_0 = state_4; [L264] SORT_1 var_102 = ~var_102_arg_0; [L265] SORT_1 var_103_arg_0 = var_101; [L266] SORT_1 var_103_arg_1 = var_102; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_103_arg_0=0, var_103_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_91=1, var_9=1] [L267] EXPR var_103_arg_0 & var_103_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=1, var_9=1] [L267] SORT_1 var_103 = var_103_arg_0 & var_103_arg_1; [L268] SORT_1 var_104_arg_0 = var_91; [L269] SORT_1 var_104_arg_1 = var_103; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104_arg_0=1, var_104_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L270] EXPR var_104_arg_0 | var_104_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L270] SORT_1 var_104 = var_104_arg_0 | var_104_arg_1; [L271] SORT_1 var_105_arg_0 = state_13; [L272] SORT_1 var_105 = ~var_105_arg_0; [L273] SORT_1 var_106_arg_0 = state_15; [L274] SORT_1 var_106 = ~var_106_arg_0; [L275] SORT_1 var_107_arg_0 = var_105; [L276] SORT_1 var_107_arg_1 = var_106; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=1, var_107_arg_0=-2, var_107_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L277] EXPR var_107_arg_0 & var_107_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L277] SORT_1 var_107 = var_107_arg_0 & var_107_arg_1; [L278] SORT_1 var_108_arg_0 = state_17; [L279] SORT_1 var_108 = ~var_108_arg_0; [L280] SORT_1 var_109_arg_0 = var_107; [L281] SORT_1 var_109_arg_1 = var_108; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=1, var_109_arg_0=0, var_109_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L282] EXPR var_109_arg_0 & var_109_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L282] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L283] SORT_1 var_110_arg_0 = var_109; [L284] SORT_1 var_110_arg_1 = state_19; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=1, var_110_arg_0=0, var_110_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L285] EXPR var_110_arg_0 & var_110_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L285] SORT_1 var_110 = var_110_arg_0 & var_110_arg_1; [L286] SORT_1 var_111_arg_0 = state_21; [L287] SORT_1 var_111 = ~var_111_arg_0; [L288] SORT_1 var_112_arg_0 = var_110; [L289] SORT_1 var_112_arg_1 = var_111; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=1, var_112_arg_0=0, var_112_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L290] EXPR var_112_arg_0 & var_112_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L290] SORT_1 var_112 = var_112_arg_0 & var_112_arg_1; [L291] SORT_1 var_113_arg_0 = state_23; [L292] SORT_1 var_113 = ~var_113_arg_0; [L293] SORT_1 var_114_arg_0 = var_112; [L294] SORT_1 var_114_arg_1 = var_113; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=1, var_114_arg_0=0, var_114_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L295] EXPR var_114_arg_0 & var_114_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L295] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L296] SORT_1 var_115_arg_0 = state_4; [L297] SORT_1 var_115 = ~var_115_arg_0; [L298] SORT_1 var_116_arg_0 = var_114; [L299] SORT_1 var_116_arg_1 = var_115; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=1, var_116_arg_0=0, var_116_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L300] EXPR var_116_arg_0 & var_116_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L300] SORT_1 var_116 = var_116_arg_0 & var_116_arg_1; [L301] SORT_1 var_117_arg_0 = var_104; [L302] SORT_1 var_117_arg_1 = var_116; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117_arg_0=1, var_117_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L303] EXPR var_117_arg_0 | var_117_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L303] SORT_1 var_117 = var_117_arg_0 | var_117_arg_1; [L304] SORT_1 var_118_arg_0 = state_13; [L305] SORT_1 var_118 = ~var_118_arg_0; [L306] SORT_1 var_119_arg_0 = state_15; [L307] SORT_1 var_119 = ~var_119_arg_0; [L308] SORT_1 var_120_arg_0 = var_118; [L309] SORT_1 var_120_arg_1 = var_119; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=1, var_120_arg_0=-2, var_120_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L310] EXPR var_120_arg_0 & var_120_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L310] SORT_1 var_120 = var_120_arg_0 & var_120_arg_1; [L311] SORT_1 var_121_arg_0 = state_17; [L312] SORT_1 var_121 = ~var_121_arg_0; [L313] SORT_1 var_122_arg_0 = var_120; [L314] SORT_1 var_122_arg_1 = var_121; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=1, var_122_arg_0=0, var_122_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L315] EXPR var_122_arg_0 & var_122_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L315] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L316] SORT_1 var_123_arg_0 = state_19; [L317] SORT_1 var_123 = ~var_123_arg_0; [L318] SORT_1 var_124_arg_0 = var_122; [L319] SORT_1 var_124_arg_1 = var_123; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=1, var_124_arg_0=0, var_124_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L320] EXPR var_124_arg_0 & var_124_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L320] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L321] SORT_1 var_125_arg_0 = var_124; [L322] SORT_1 var_125_arg_1 = state_21; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=1, var_125_arg_0=0, var_125_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L323] EXPR var_125_arg_0 & var_125_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L323] SORT_1 var_125 = var_125_arg_0 & var_125_arg_1; [L324] SORT_1 var_126_arg_0 = state_23; [L325] SORT_1 var_126 = ~var_126_arg_0; [L326] SORT_1 var_127_arg_0 = var_125; [L327] SORT_1 var_127_arg_1 = var_126; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=1, var_127_arg_0=0, var_127_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L328] EXPR var_127_arg_0 & var_127_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L328] SORT_1 var_127 = var_127_arg_0 & var_127_arg_1; [L329] SORT_1 var_128_arg_0 = state_4; [L330] SORT_1 var_128 = ~var_128_arg_0; [L331] SORT_1 var_129_arg_0 = var_127; [L332] SORT_1 var_129_arg_1 = var_128; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=1, var_129_arg_0=0, var_129_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L333] EXPR var_129_arg_0 & var_129_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L333] SORT_1 var_129 = var_129_arg_0 & var_129_arg_1; [L334] SORT_1 var_130_arg_0 = var_117; [L335] SORT_1 var_130_arg_1 = var_129; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130_arg_0=1, var_130_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L336] EXPR var_130_arg_0 | var_130_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L336] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L337] SORT_1 var_131_arg_0 = state_13; [L338] SORT_1 var_131 = ~var_131_arg_0; [L339] SORT_1 var_132_arg_0 = state_15; [L340] SORT_1 var_132 = ~var_132_arg_0; [L341] SORT_1 var_133_arg_0 = var_131; [L342] SORT_1 var_133_arg_1 = var_132; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=1, var_133_arg_0=-2, var_133_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L343] EXPR var_133_arg_0 & var_133_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L343] SORT_1 var_133 = var_133_arg_0 & var_133_arg_1; [L344] SORT_1 var_134_arg_0 = state_17; [L345] SORT_1 var_134 = ~var_134_arg_0; [L346] SORT_1 var_135_arg_0 = var_133; [L347] SORT_1 var_135_arg_1 = var_134; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=1, var_135_arg_0=0, var_135_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L348] EXPR var_135_arg_0 & var_135_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L348] SORT_1 var_135 = var_135_arg_0 & var_135_arg_1; [L349] SORT_1 var_136_arg_0 = state_19; [L350] SORT_1 var_136 = ~var_136_arg_0; [L351] SORT_1 var_137_arg_0 = var_135; [L352] SORT_1 var_137_arg_1 = var_136; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=1, var_137_arg_0=0, var_137_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L353] EXPR var_137_arg_0 & var_137_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L353] SORT_1 var_137 = var_137_arg_0 & var_137_arg_1; [L354] SORT_1 var_138_arg_0 = state_21; [L355] SORT_1 var_138 = ~var_138_arg_0; [L356] SORT_1 var_139_arg_0 = var_137; [L357] SORT_1 var_139_arg_1 = var_138; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=1, var_139_arg_0=0, var_139_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L358] EXPR var_139_arg_0 & var_139_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L358] SORT_1 var_139 = var_139_arg_0 & var_139_arg_1; [L359] SORT_1 var_140_arg_0 = var_139; [L360] SORT_1 var_140_arg_1 = state_23; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=1, var_140_arg_0=0, var_140_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L361] EXPR var_140_arg_0 & var_140_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L361] SORT_1 var_140 = var_140_arg_0 & var_140_arg_1; [L362] SORT_1 var_141_arg_0 = state_4; [L363] SORT_1 var_141 = ~var_141_arg_0; [L364] SORT_1 var_142_arg_0 = var_140; [L365] SORT_1 var_142_arg_1 = var_141; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=1, var_142_arg_0=0, var_142_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L366] EXPR var_142_arg_0 & var_142_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L366] SORT_1 var_142 = var_142_arg_0 & var_142_arg_1; [L367] SORT_1 var_143_arg_0 = var_130; [L368] SORT_1 var_143_arg_1 = var_142; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_143_arg_0=1, var_143_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L369] EXPR var_143_arg_0 | var_143_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L369] SORT_1 var_143 = var_143_arg_0 | var_143_arg_1; [L370] SORT_1 var_144_arg_0 = state_13; [L371] SORT_1 var_144 = ~var_144_arg_0; [L372] SORT_1 var_145_arg_0 = state_15; [L373] SORT_1 var_145 = ~var_145_arg_0; [L374] SORT_1 var_146_arg_0 = var_144; [L375] SORT_1 var_146_arg_1 = var_145; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_143=1, var_146_arg_0=-2, var_146_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L376] EXPR var_146_arg_0 & var_146_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_143=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L376] SORT_1 var_146 = var_146_arg_0 & var_146_arg_1; [L377] SORT_1 var_147_arg_0 = state_17; [L378] SORT_1 var_147 = ~var_147_arg_0; [L379] SORT_1 var_148_arg_0 = var_146; [L380] SORT_1 var_148_arg_1 = var_147; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_143=1, var_148_arg_0=0, var_148_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L381] EXPR var_148_arg_0 & var_148_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_143=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L381] SORT_1 var_148 = var_148_arg_0 & var_148_arg_1; [L382] SORT_1 var_149_arg_0 = state_19; [L383] SORT_1 var_149 = ~var_149_arg_0; [L384] SORT_1 var_150_arg_0 = var_148; [L385] SORT_1 var_150_arg_1 = var_149; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_143=1, var_150_arg_0=0, var_150_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L386] EXPR var_150_arg_0 & var_150_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_143=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L386] SORT_1 var_150 = var_150_arg_0 & var_150_arg_1; [L387] SORT_1 var_151_arg_0 = state_21; [L388] SORT_1 var_151 = ~var_151_arg_0; [L389] SORT_1 var_152_arg_0 = var_150; [L390] SORT_1 var_152_arg_1 = var_151; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=0, state_23=0, state_25=1, state_29=0, state_4=0, var_143=1, var_152_arg_0=0, var_152_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L391] EXPR var_152_arg_0 & var_152_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=0, state_23=0, state_25=1, state_29=0, state_4=0, var_143=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L391] SORT_1 var_152 = var_152_arg_0 & var_152_arg_1; [L392] SORT_1 var_153_arg_0 = state_23; [L393] SORT_1 var_153 = ~var_153_arg_0; [L394] SORT_1 var_154_arg_0 = var_152; [L395] SORT_1 var_154_arg_1 = var_153; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=0, state_25=1, state_29=0, state_4=0, var_143=1, var_154_arg_0=0, var_154_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L396] EXPR var_154_arg_0 & var_154_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=0, state_25=1, state_29=0, state_4=0, var_143=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L396] SORT_1 var_154 = var_154_arg_0 & var_154_arg_1; [L397] SORT_1 var_155_arg_0 = var_154; [L398] SORT_1 var_155_arg_1 = state_4; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=0, state_25=1, state_29=0, var_143=1, var_155_arg_0=0, var_155_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L399] EXPR var_155_arg_0 & var_155_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=0, state_25=1, state_29=0, var_143=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L399] SORT_1 var_155 = var_155_arg_0 & var_155_arg_1; [L400] SORT_1 var_156_arg_0 = var_143; [L401] SORT_1 var_156_arg_1 = var_155; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=0, state_25=1, state_29=0, var_156_arg_0=1, var_156_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L402] EXPR var_156_arg_0 | var_156_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=0, state_25=1, state_29=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L402] SORT_1 var_156 = var_156_arg_0 | var_156_arg_1; [L403] EXPR var_156 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=0, state_25=1, state_29=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L403] var_156 = var_156 & mask_SORT_1 [L404] SORT_1 next_157_arg_1 = var_156; [L405] SORT_27 var_160_arg_0 = state_29; [L406] SORT_27 var_160_arg_1 = var_32; [L407] SORT_1 var_160 = var_160_arg_0 < var_160_arg_1; [L408] SORT_27 var_159_arg_0 = state_29; [L409] SORT_27 var_159_arg_1 = var_158; [L410] SORT_27 var_159 = var_159_arg_0 + var_159_arg_1; [L411] SORT_1 var_161_arg_0 = var_160; [L412] SORT_27 var_161_arg_1 = var_159; [L413] SORT_27 var_161_arg_2 = state_29; [L414] SORT_27 var_161 = var_161_arg_0 ? var_161_arg_1 : var_161_arg_2; [L415] SORT_1 var_162_arg_0 = state_15; [L416] SORT_27 var_162_arg_1 = var_161; [L417] SORT_27 var_162_arg_2 = state_29; [L418] SORT_27 var_162 = var_162_arg_0 ? var_162_arg_1 : var_162_arg_2; [L419] SORT_1 var_163_arg_0 = state_25; [L420] SORT_27 var_163_arg_1 = var_162; [L421] SORT_27 var_163_arg_2 = state_29; [L422] SORT_27 var_163 = var_163_arg_0 ? var_163_arg_1 : var_163_arg_2; VAL [mask_SORT_1=1, mask_SORT_27=63, next_157_arg_1=1, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, var_158=3, var_163=0, var_32=19, var_3=0, var_45=17, var_9=1] [L423] EXPR var_163 & mask_SORT_27 VAL [mask_SORT_1=1, mask_SORT_27=63, next_157_arg_1=1, next_42_arg_1=0, next_44_arg_1=0, next_50_arg_1=1, next_54_arg_1=0, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L423] var_163 = var_163 & mask_SORT_27 [L424] SORT_27 next_164_arg_1 = var_163; [L426] state_4 = next_42_arg_1 [L427] state_13 = next_44_arg_1 [L428] state_15 = next_50_arg_1 [L429] state_17 = next_54_arg_1 [L430] state_19 = next_56_arg_1 [L431] state_21 = next_61_arg_1 [L432] state_23 = next_66_arg_1 [L433] state_25 = next_157_arg_1 [L434] state_29 = next_164_arg_1 [L71] input_2 = __VERIFIER_nondet_uchar() [L74] SORT_1 var_6_arg_0 = state_4; [L75] SORT_1 var_6 = ~var_6_arg_0; [L76] SORT_1 var_10_arg_0 = var_6; [L77] SORT_1 var_10 = ~var_10_arg_0; [L78] SORT_1 var_11_arg_0 = var_9; [L79] SORT_1 var_11_arg_1 = var_10; VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_11_arg_0=1, var_11_arg_1=-256, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L80] EXPR var_11_arg_0 & var_11_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L80] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L81] EXPR var_11 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L81] var_11 = var_11 & mask_SORT_1 [L82] SORT_1 bad_12_arg_0 = var_11; [L83] CALL __VERIFIER_assert(!(bad_12_arg_0)) [L21] COND FALSE !(!(cond)) [L83] RET __VERIFIER_assert(!(bad_12_arg_0)) [L85] SORT_27 var_33_arg_0 = state_29; [L86] SORT_27 var_33_arg_1 = var_32; [L87] SORT_1 var_33 = var_33_arg_0 < var_33_arg_1; [L88] SORT_1 var_34_arg_0 = var_33; [L89] SORT_1 var_34 = ~var_34_arg_0; [L90] SORT_1 var_35_arg_0 = state_15; [L91] SORT_1 var_35_arg_1 = var_34; VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_35_arg_0=1, var_35_arg_1=-2, var_3=0, var_45=17, var_9=1] [L92] EXPR var_35_arg_0 & var_35_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L92] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L93] SORT_1 var_36_arg_0 = state_4; [L94] SORT_1 var_36_arg_1 = var_35; VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_36_arg_0=0, var_36_arg_1=1, var_3=0, var_45=17, var_9=1] [L95] EXPR var_36_arg_0 | var_36_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L95] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L96] SORT_27 var_37_arg_0 = state_29; [L97] SORT_27 var_37_arg_1 = var_32; [L98] SORT_1 var_37 = var_37_arg_0 < var_37_arg_1; [L99] SORT_1 var_38_arg_0 = var_37; [L100] SORT_1 var_38 = ~var_38_arg_0; [L101] SORT_1 var_39_arg_0 = state_21; [L102] SORT_1 var_39_arg_1 = var_38; VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_36=1, var_39_arg_0=0, var_39_arg_1=-2, var_3=0, var_45=17, var_9=1] [L103] EXPR var_39_arg_0 & var_39_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_36=1, var_3=0, var_45=17, var_9=1] [L103] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L104] SORT_1 var_40_arg_0 = var_36; [L105] SORT_1 var_40_arg_1 = var_39; VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_40_arg_0=1, var_40_arg_1=0, var_45=17, var_9=1] [L106] EXPR var_40_arg_0 | var_40_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L106] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L107] SORT_1 var_41_arg_0 = state_25; [L108] SORT_1 var_41_arg_1 = var_40; [L109] SORT_1 var_41_arg_2 = state_4; [L110] SORT_1 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L111] SORT_1 next_42_arg_1 = var_41; [L112] SORT_1 var_43_arg_0 = state_25; [L113] SORT_1 var_43_arg_1 = var_3; [L114] SORT_1 var_43_arg_2 = state_13; [L115] SORT_1 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L116] SORT_1 next_44_arg_1 = var_43; [L117] SORT_27 var_46_arg_0 = state_29; [L118] SORT_27 var_46_arg_1 = var_45; [L119] SORT_1 var_46 = var_46_arg_0 < var_46_arg_1; [L120] SORT_1 var_47_arg_0 = state_19; [L121] SORT_1 var_47_arg_1 = var_46; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_47_arg_0=0, var_47_arg_1=1, var_9=1] [L122] EXPR var_47_arg_0 & var_47_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L122] SORT_1 var_47 = var_47_arg_0 & var_47_arg_1; [L123] SORT_1 var_48_arg_0 = state_13; [L124] SORT_1 var_48_arg_1 = var_47; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_48_arg_0=0, var_48_arg_1=0, var_9=1] [L125] EXPR var_48_arg_0 | var_48_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L125] SORT_1 var_48 = var_48_arg_0 | var_48_arg_1; [L126] SORT_1 var_49_arg_0 = state_25; [L127] SORT_1 var_49_arg_1 = var_48; [L128] SORT_1 var_49_arg_2 = state_15; [L129] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_49=0, var_9=1] [L130] EXPR var_49 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L130] var_49 = var_49 & mask_SORT_1 [L131] SORT_1 next_50_arg_1 = var_49; [L132] SORT_27 var_51_arg_0 = state_29; [L133] SORT_27 var_51_arg_1 = var_32; [L134] SORT_1 var_51 = var_51_arg_0 < var_51_arg_1; [L135] SORT_1 var_52_arg_0 = state_15; [L136] SORT_1 var_52_arg_1 = var_51; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_52_arg_0=1, var_52_arg_1=1, var_9=1] [L137] EXPR var_52_arg_0 & var_52_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L137] SORT_1 var_52 = var_52_arg_0 & var_52_arg_1; [L138] SORT_1 var_53_arg_0 = state_25; [L139] SORT_1 var_53_arg_1 = var_52; [L140] SORT_1 var_53_arg_2 = state_17; [L141] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L142] SORT_1 next_54_arg_1 = var_53; [L143] SORT_1 var_55_arg_0 = state_25; [L144] SORT_1 var_55_arg_1 = state_17; [L145] SORT_1 var_55_arg_2 = state_19; [L146] SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L147] SORT_1 next_56_arg_1 = var_55; [L148] SORT_27 var_57_arg_0 = state_29; [L149] SORT_27 var_57_arg_1 = var_45; [L150] SORT_1 var_57 = var_57_arg_0 < var_57_arg_1; [L151] SORT_1 var_58_arg_0 = var_57; [L152] SORT_1 var_58 = ~var_58_arg_0; [L153] SORT_1 var_59_arg_0 = state_19; [L154] SORT_1 var_59_arg_1 = var_58; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_59_arg_0=0, var_59_arg_1=-2, var_9=1] [L155] EXPR var_59_arg_0 & var_59_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L155] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L156] SORT_1 var_60_arg_0 = state_25; [L157] SORT_1 var_60_arg_1 = var_59; [L158] SORT_1 var_60_arg_2 = state_21; [L159] SORT_1 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L160] SORT_1 next_61_arg_1 = var_60; [L161] SORT_27 var_62_arg_0 = state_29; [L162] SORT_27 var_62_arg_1 = var_32; [L163] SORT_1 var_62 = var_62_arg_0 < var_62_arg_1; [L164] SORT_1 var_63_arg_0 = state_21; [L165] SORT_1 var_63_arg_1 = var_62; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_63_arg_0=0, var_63_arg_1=1, var_9=1] [L166] EXPR var_63_arg_0 & var_63_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L166] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L167] SORT_1 var_64_arg_0 = state_23; [L168] SORT_1 var_64_arg_1 = var_63; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_64_arg_0=0, var_64_arg_1=0, var_9=1] [L169] EXPR var_64_arg_0 | var_64_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L169] SORT_1 var_64 = var_64_arg_0 | var_64_arg_1; [L170] SORT_1 var_65_arg_0 = state_25; [L171] SORT_1 var_65_arg_1 = var_64; [L172] SORT_1 var_65_arg_2 = state_23; [L173] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L174] SORT_1 next_66_arg_1 = var_65; [L175] SORT_1 var_67_arg_0 = state_15; [L176] SORT_1 var_67 = ~var_67_arg_0; [L177] SORT_1 var_68_arg_0 = state_13; [L178] SORT_1 var_68_arg_1 = var_67; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_68_arg_0=0, var_68_arg_1=-2, var_9=1] [L179] EXPR var_68_arg_0 & var_68_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L179] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L180] SORT_1 var_69_arg_0 = state_17; [L181] SORT_1 var_69 = ~var_69_arg_0; [L182] SORT_1 var_70_arg_0 = var_68; [L183] SORT_1 var_70_arg_1 = var_69; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_70_arg_0=0, var_70_arg_1=-1, var_9=1] [L184] EXPR var_70_arg_0 & var_70_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L184] SORT_1 var_70 = var_70_arg_0 & var_70_arg_1; [L185] SORT_1 var_71_arg_0 = state_19; [L186] SORT_1 var_71 = ~var_71_arg_0; [L187] SORT_1 var_72_arg_0 = var_70; [L188] SORT_1 var_72_arg_1 = var_71; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_72_arg_0=0, var_72_arg_1=-1, var_9=1] [L189] EXPR var_72_arg_0 & var_72_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L189] SORT_1 var_72 = var_72_arg_0 & var_72_arg_1; [L190] SORT_1 var_73_arg_0 = state_21; [L191] SORT_1 var_73 = ~var_73_arg_0; [L192] SORT_1 var_74_arg_0 = var_72; [L193] SORT_1 var_74_arg_1 = var_73; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_74_arg_0=0, var_74_arg_1=-1, var_9=1] [L194] EXPR var_74_arg_0 & var_74_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L194] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L195] SORT_1 var_75_arg_0 = state_23; [L196] SORT_1 var_75 = ~var_75_arg_0; [L197] SORT_1 var_76_arg_0 = var_74; [L198] SORT_1 var_76_arg_1 = var_75; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_76_arg_0=0, var_76_arg_1=-1, var_9=1] [L199] EXPR var_76_arg_0 & var_76_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L199] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L200] SORT_1 var_77_arg_0 = state_4; [L201] SORT_1 var_77 = ~var_77_arg_0; [L202] SORT_1 var_78_arg_0 = var_76; [L203] SORT_1 var_78_arg_1 = var_77; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78_arg_0=0, var_78_arg_1=-1, var_9=1] [L204] EXPR var_78_arg_0 & var_78_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L204] SORT_1 var_78 = var_78_arg_0 & var_78_arg_1; [L205] SORT_1 var_79_arg_0 = state_13; [L206] SORT_1 var_79 = ~var_79_arg_0; [L207] SORT_1 var_80_arg_0 = var_79; [L208] SORT_1 var_80_arg_1 = state_15; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=0, var_80_arg_0=-1, var_80_arg_1=1, var_9=1] [L209] EXPR var_80_arg_0 & var_80_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=0, var_9=1] [L209] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; [L210] SORT_1 var_81_arg_0 = state_17; [L211] SORT_1 var_81 = ~var_81_arg_0; [L212] SORT_1 var_82_arg_0 = var_80; [L213] SORT_1 var_82_arg_1 = var_81; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=0, var_82_arg_0=0, var_82_arg_1=-1, var_9=1] [L214] EXPR var_82_arg_0 & var_82_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=0, var_9=1] [L214] SORT_1 var_82 = var_82_arg_0 & var_82_arg_1; [L215] SORT_1 var_83_arg_0 = state_19; [L216] SORT_1 var_83 = ~var_83_arg_0; [L217] SORT_1 var_84_arg_0 = var_82; [L218] SORT_1 var_84_arg_1 = var_83; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=0, var_84_arg_0=0, var_84_arg_1=-1, var_9=1] [L219] EXPR var_84_arg_0 & var_84_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=0, var_9=1] [L219] SORT_1 var_84 = var_84_arg_0 & var_84_arg_1; [L220] SORT_1 var_85_arg_0 = state_21; [L221] SORT_1 var_85 = ~var_85_arg_0; [L222] SORT_1 var_86_arg_0 = var_84; [L223] SORT_1 var_86_arg_1 = var_85; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=0, var_86_arg_0=0, var_86_arg_1=-1, var_9=1] [L224] EXPR var_86_arg_0 & var_86_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=0, var_9=1] [L224] SORT_1 var_86 = var_86_arg_0 & var_86_arg_1; [L225] SORT_1 var_87_arg_0 = state_23; [L226] SORT_1 var_87 = ~var_87_arg_0; [L227] SORT_1 var_88_arg_0 = var_86; [L228] SORT_1 var_88_arg_1 = var_87; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=0, var_88_arg_0=0, var_88_arg_1=-1, var_9=1] [L229] EXPR var_88_arg_0 & var_88_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=0, var_9=1] [L229] SORT_1 var_88 = var_88_arg_0 & var_88_arg_1; [L230] SORT_1 var_89_arg_0 = state_4; [L231] SORT_1 var_89 = ~var_89_arg_0; [L232] SORT_1 var_90_arg_0 = var_88; [L233] SORT_1 var_90_arg_1 = var_89; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=0, var_90_arg_0=0, var_90_arg_1=-1, var_9=1] [L234] EXPR var_90_arg_0 & var_90_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_78=0, var_9=1] [L234] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L235] SORT_1 var_91_arg_0 = var_78; [L236] SORT_1 var_91_arg_1 = var_90; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91_arg_0=0, var_91_arg_1=0, var_9=1] [L237] EXPR var_91_arg_0 | var_91_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L237] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L238] SORT_1 var_92_arg_0 = state_13; [L239] SORT_1 var_92 = ~var_92_arg_0; [L240] SORT_1 var_93_arg_0 = state_15; [L241] SORT_1 var_93 = ~var_93_arg_0; [L242] SORT_1 var_94_arg_0 = var_92; [L243] SORT_1 var_94_arg_1 = var_93; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=0, var_94_arg_0=-1, var_94_arg_1=-2, var_9=1] [L244] EXPR var_94_arg_0 & var_94_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=0, var_9=1] [L244] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L245] SORT_1 var_95_arg_0 = var_94; [L246] SORT_1 var_95_arg_1 = state_17; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=0, var_95_arg_0=0, var_95_arg_1=0, var_9=1] [L247] EXPR var_95_arg_0 & var_95_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=0, var_9=1] [L247] SORT_1 var_95 = var_95_arg_0 & var_95_arg_1; [L248] SORT_1 var_96_arg_0 = state_19; [L249] SORT_1 var_96 = ~var_96_arg_0; [L250] SORT_1 var_97_arg_0 = var_95; [L251] SORT_1 var_97_arg_1 = var_96; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=0, var_97_arg_0=0, var_97_arg_1=-1, var_9=1] [L252] EXPR var_97_arg_0 & var_97_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=0, var_9=1] [L252] SORT_1 var_97 = var_97_arg_0 & var_97_arg_1; [L253] SORT_1 var_98_arg_0 = state_21; [L254] SORT_1 var_98 = ~var_98_arg_0; [L255] SORT_1 var_99_arg_0 = var_97; [L256] SORT_1 var_99_arg_1 = var_98; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=0, var_99_arg_0=0, var_99_arg_1=-1, var_9=1] [L257] EXPR var_99_arg_0 & var_99_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=0, var_9=1] [L257] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L258] SORT_1 var_100_arg_0 = state_23; [L259] SORT_1 var_100 = ~var_100_arg_0; [L260] SORT_1 var_101_arg_0 = var_99; [L261] SORT_1 var_101_arg_1 = var_100; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_101_arg_0=0, var_101_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_91=0, var_9=1] [L262] EXPR var_101_arg_0 & var_101_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=0, var_9=1] [L262] SORT_1 var_101 = var_101_arg_0 & var_101_arg_1; [L263] SORT_1 var_102_arg_0 = state_4; [L264] SORT_1 var_102 = ~var_102_arg_0; [L265] SORT_1 var_103_arg_0 = var_101; [L266] SORT_1 var_103_arg_1 = var_102; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_103_arg_0=0, var_103_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_91=0, var_9=1] [L267] EXPR var_103_arg_0 & var_103_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_91=0, var_9=1] [L267] SORT_1 var_103 = var_103_arg_0 & var_103_arg_1; [L268] SORT_1 var_104_arg_0 = var_91; [L269] SORT_1 var_104_arg_1 = var_103; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104_arg_0=0, var_104_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L270] EXPR var_104_arg_0 | var_104_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L270] SORT_1 var_104 = var_104_arg_0 | var_104_arg_1; [L271] SORT_1 var_105_arg_0 = state_13; [L272] SORT_1 var_105 = ~var_105_arg_0; [L273] SORT_1 var_106_arg_0 = state_15; [L274] SORT_1 var_106 = ~var_106_arg_0; [L275] SORT_1 var_107_arg_0 = var_105; [L276] SORT_1 var_107_arg_1 = var_106; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=0, var_107_arg_0=-1, var_107_arg_1=-2, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L277] EXPR var_107_arg_0 & var_107_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L277] SORT_1 var_107 = var_107_arg_0 & var_107_arg_1; [L278] SORT_1 var_108_arg_0 = state_17; [L279] SORT_1 var_108 = ~var_108_arg_0; [L280] SORT_1 var_109_arg_0 = var_107; [L281] SORT_1 var_109_arg_1 = var_108; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=0, var_109_arg_0=0, var_109_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L282] EXPR var_109_arg_0 & var_109_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L282] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L283] SORT_1 var_110_arg_0 = var_109; [L284] SORT_1 var_110_arg_1 = state_19; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=0, var_110_arg_0=0, var_110_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L285] EXPR var_110_arg_0 & var_110_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L285] SORT_1 var_110 = var_110_arg_0 & var_110_arg_1; [L286] SORT_1 var_111_arg_0 = state_21; [L287] SORT_1 var_111 = ~var_111_arg_0; [L288] SORT_1 var_112_arg_0 = var_110; [L289] SORT_1 var_112_arg_1 = var_111; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=0, var_112_arg_0=0, var_112_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L290] EXPR var_112_arg_0 & var_112_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L290] SORT_1 var_112 = var_112_arg_0 & var_112_arg_1; [L291] SORT_1 var_113_arg_0 = state_23; [L292] SORT_1 var_113 = ~var_113_arg_0; [L293] SORT_1 var_114_arg_0 = var_112; [L294] SORT_1 var_114_arg_1 = var_113; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=0, var_114_arg_0=0, var_114_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L295] EXPR var_114_arg_0 & var_114_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L295] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L296] SORT_1 var_115_arg_0 = state_4; [L297] SORT_1 var_115 = ~var_115_arg_0; [L298] SORT_1 var_116_arg_0 = var_114; [L299] SORT_1 var_116_arg_1 = var_115; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=0, var_116_arg_0=0, var_116_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L300] EXPR var_116_arg_0 & var_116_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_104=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L300] SORT_1 var_116 = var_116_arg_0 & var_116_arg_1; [L301] SORT_1 var_117_arg_0 = var_104; [L302] SORT_1 var_117_arg_1 = var_116; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117_arg_0=0, var_117_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L303] EXPR var_117_arg_0 | var_117_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L303] SORT_1 var_117 = var_117_arg_0 | var_117_arg_1; [L304] SORT_1 var_118_arg_0 = state_13; [L305] SORT_1 var_118 = ~var_118_arg_0; [L306] SORT_1 var_119_arg_0 = state_15; [L307] SORT_1 var_119 = ~var_119_arg_0; [L308] SORT_1 var_120_arg_0 = var_118; [L309] SORT_1 var_120_arg_1 = var_119; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=0, var_120_arg_0=-1, var_120_arg_1=-2, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L310] EXPR var_120_arg_0 & var_120_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L310] SORT_1 var_120 = var_120_arg_0 & var_120_arg_1; [L311] SORT_1 var_121_arg_0 = state_17; [L312] SORT_1 var_121 = ~var_121_arg_0; [L313] SORT_1 var_122_arg_0 = var_120; [L314] SORT_1 var_122_arg_1 = var_121; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=0, var_122_arg_0=0, var_122_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L315] EXPR var_122_arg_0 & var_122_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L315] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L316] SORT_1 var_123_arg_0 = state_19; [L317] SORT_1 var_123 = ~var_123_arg_0; [L318] SORT_1 var_124_arg_0 = var_122; [L319] SORT_1 var_124_arg_1 = var_123; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=0, var_124_arg_0=0, var_124_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L320] EXPR var_124_arg_0 & var_124_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L320] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L321] SORT_1 var_125_arg_0 = var_124; [L322] SORT_1 var_125_arg_1 = state_21; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=0, var_125_arg_0=0, var_125_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L323] EXPR var_125_arg_0 & var_125_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L323] SORT_1 var_125 = var_125_arg_0 & var_125_arg_1; [L324] SORT_1 var_126_arg_0 = state_23; [L325] SORT_1 var_126 = ~var_126_arg_0; [L326] SORT_1 var_127_arg_0 = var_125; [L327] SORT_1 var_127_arg_1 = var_126; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=0, var_127_arg_0=0, var_127_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L328] EXPR var_127_arg_0 & var_127_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L328] SORT_1 var_127 = var_127_arg_0 & var_127_arg_1; [L329] SORT_1 var_128_arg_0 = state_4; [L330] SORT_1 var_128 = ~var_128_arg_0; [L331] SORT_1 var_129_arg_0 = var_127; [L332] SORT_1 var_129_arg_1 = var_128; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=0, var_129_arg_0=0, var_129_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L333] EXPR var_129_arg_0 & var_129_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_117=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L333] SORT_1 var_129 = var_129_arg_0 & var_129_arg_1; [L334] SORT_1 var_130_arg_0 = var_117; [L335] SORT_1 var_130_arg_1 = var_129; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130_arg_0=0, var_130_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L336] EXPR var_130_arg_0 | var_130_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L336] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L337] SORT_1 var_131_arg_0 = state_13; [L338] SORT_1 var_131 = ~var_131_arg_0; [L339] SORT_1 var_132_arg_0 = state_15; [L340] SORT_1 var_132 = ~var_132_arg_0; [L341] SORT_1 var_133_arg_0 = var_131; [L342] SORT_1 var_133_arg_1 = var_132; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=0, var_133_arg_0=-1, var_133_arg_1=-2, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L343] EXPR var_133_arg_0 & var_133_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L343] SORT_1 var_133 = var_133_arg_0 & var_133_arg_1; [L344] SORT_1 var_134_arg_0 = state_17; [L345] SORT_1 var_134 = ~var_134_arg_0; [L346] SORT_1 var_135_arg_0 = var_133; [L347] SORT_1 var_135_arg_1 = var_134; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=0, var_135_arg_0=0, var_135_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L348] EXPR var_135_arg_0 & var_135_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L348] SORT_1 var_135 = var_135_arg_0 & var_135_arg_1; [L349] SORT_1 var_136_arg_0 = state_19; [L350] SORT_1 var_136 = ~var_136_arg_0; [L351] SORT_1 var_137_arg_0 = var_135; [L352] SORT_1 var_137_arg_1 = var_136; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=0, var_137_arg_0=0, var_137_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L353] EXPR var_137_arg_0 & var_137_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L353] SORT_1 var_137 = var_137_arg_0 & var_137_arg_1; [L354] SORT_1 var_138_arg_0 = state_21; [L355] SORT_1 var_138 = ~var_138_arg_0; [L356] SORT_1 var_139_arg_0 = var_137; [L357] SORT_1 var_139_arg_1 = var_138; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=0, var_139_arg_0=0, var_139_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L358] EXPR var_139_arg_0 & var_139_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L358] SORT_1 var_139 = var_139_arg_0 & var_139_arg_1; [L359] SORT_1 var_140_arg_0 = var_139; [L360] SORT_1 var_140_arg_1 = state_23; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=0, var_140_arg_0=0, var_140_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L361] EXPR var_140_arg_0 & var_140_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L361] SORT_1 var_140 = var_140_arg_0 & var_140_arg_1; [L362] SORT_1 var_141_arg_0 = state_4; [L363] SORT_1 var_141 = ~var_141_arg_0; [L364] SORT_1 var_142_arg_0 = var_140; [L365] SORT_1 var_142_arg_1 = var_141; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=0, var_142_arg_0=0, var_142_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L366] EXPR var_142_arg_0 & var_142_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_130=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L366] SORT_1 var_142 = var_142_arg_0 & var_142_arg_1; [L367] SORT_1 var_143_arg_0 = var_130; [L368] SORT_1 var_143_arg_1 = var_142; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_143_arg_0=0, var_143_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L369] EXPR var_143_arg_0 | var_143_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_13=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L369] SORT_1 var_143 = var_143_arg_0 | var_143_arg_1; [L370] SORT_1 var_144_arg_0 = state_13; [L371] SORT_1 var_144 = ~var_144_arg_0; [L372] SORT_1 var_145_arg_0 = state_15; [L373] SORT_1 var_145 = ~var_145_arg_0; [L374] SORT_1 var_146_arg_0 = var_144; [L375] SORT_1 var_146_arg_1 = var_145; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_143=0, var_146_arg_0=-1, var_146_arg_1=-2, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L376] EXPR var_146_arg_0 & var_146_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=1, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_143=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L376] SORT_1 var_146 = var_146_arg_0 & var_146_arg_1; [L377] SORT_1 var_147_arg_0 = state_17; [L378] SORT_1 var_147 = ~var_147_arg_0; [L379] SORT_1 var_148_arg_0 = var_146; [L380] SORT_1 var_148_arg_1 = var_147; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=1, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_143=0, var_148_arg_0=0, var_148_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L381] EXPR var_148_arg_0 & var_148_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=1, state_19=0, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_143=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L381] SORT_1 var_148 = var_148_arg_0 & var_148_arg_1; [L382] SORT_1 var_149_arg_0 = state_19; [L383] SORT_1 var_149 = ~var_149_arg_0; [L384] SORT_1 var_150_arg_0 = var_148; [L385] SORT_1 var_150_arg_1 = var_149; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=1, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_143=0, var_150_arg_0=0, var_150_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L386] EXPR var_150_arg_0 & var_150_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=1, state_21=0, state_23=0, state_25=1, state_29=0, state_4=0, var_143=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L386] SORT_1 var_150 = var_150_arg_0 & var_150_arg_1; [L387] SORT_1 var_151_arg_0 = state_21; [L388] SORT_1 var_151 = ~var_151_arg_0; [L389] SORT_1 var_152_arg_0 = var_150; [L390] SORT_1 var_152_arg_1 = var_151; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=1, state_23=0, state_25=1, state_29=0, state_4=0, var_143=0, var_152_arg_0=0, var_152_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L391] EXPR var_152_arg_0 & var_152_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=1, state_23=0, state_25=1, state_29=0, state_4=0, var_143=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L391] SORT_1 var_152 = var_152_arg_0 & var_152_arg_1; [L392] SORT_1 var_153_arg_0 = state_23; [L393] SORT_1 var_153 = ~var_153_arg_0; [L394] SORT_1 var_154_arg_0 = var_152; [L395] SORT_1 var_154_arg_1 = var_153; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=1, state_25=1, state_29=0, state_4=0, var_143=0, var_154_arg_0=0, var_154_arg_1=-1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L396] EXPR var_154_arg_0 & var_154_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=1, state_25=1, state_29=0, state_4=0, var_143=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L396] SORT_1 var_154 = var_154_arg_0 & var_154_arg_1; [L397] SORT_1 var_155_arg_0 = var_154; [L398] SORT_1 var_155_arg_1 = state_4; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=1, state_25=1, state_29=0, var_143=0, var_155_arg_0=0, var_155_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L399] EXPR var_155_arg_0 & var_155_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=1, state_25=1, state_29=0, var_143=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L399] SORT_1 var_155 = var_155_arg_0 & var_155_arg_1; [L400] SORT_1 var_156_arg_0 = var_143; [L401] SORT_1 var_156_arg_1 = var_155; VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=1, state_25=1, state_29=0, var_156_arg_0=0, var_156_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L402] EXPR var_156_arg_0 | var_156_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=1, state_25=1, state_29=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L402] SORT_1 var_156 = var_156_arg_0 | var_156_arg_1; [L403] EXPR var_156 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_27=63, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, state_15=1, state_25=1, state_29=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L403] var_156 = var_156 & mask_SORT_1 [L404] SORT_1 next_157_arg_1 = var_156; [L405] SORT_27 var_160_arg_0 = state_29; [L406] SORT_27 var_160_arg_1 = var_32; [L407] SORT_1 var_160 = var_160_arg_0 < var_160_arg_1; [L408] SORT_27 var_159_arg_0 = state_29; [L409] SORT_27 var_159_arg_1 = var_158; [L410] SORT_27 var_159 = var_159_arg_0 + var_159_arg_1; [L411] SORT_1 var_161_arg_0 = var_160; [L412] SORT_27 var_161_arg_1 = var_159; [L413] SORT_27 var_161_arg_2 = state_29; [L414] SORT_27 var_161 = var_161_arg_0 ? var_161_arg_1 : var_161_arg_2; [L415] SORT_1 var_162_arg_0 = state_15; [L416] SORT_27 var_162_arg_1 = var_161; [L417] SORT_27 var_162_arg_2 = state_29; [L418] SORT_27 var_162 = var_162_arg_0 ? var_162_arg_1 : var_162_arg_2; [L419] SORT_1 var_163_arg_0 = state_25; [L420] SORT_27 var_163_arg_1 = var_162; [L421] SORT_27 var_163_arg_2 = state_29; [L422] SORT_27 var_163 = var_163_arg_0 ? var_163_arg_1 : var_163_arg_2; VAL [mask_SORT_1=1, mask_SORT_27=63, next_157_arg_1=0, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, var_158=3, var_163=3, var_32=19, var_3=0, var_45=17, var_9=1] [L423] EXPR var_163 & mask_SORT_27 VAL [mask_SORT_1=1, mask_SORT_27=63, next_157_arg_1=0, next_42_arg_1=1, next_44_arg_1=0, next_50_arg_1=0, next_54_arg_1=1, next_56_arg_1=0, next_61_arg_1=0, next_66_arg_1=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L423] var_163 = var_163 & mask_SORT_27 [L424] SORT_27 next_164_arg_1 = var_163; [L426] state_4 = next_42_arg_1 [L427] state_13 = next_44_arg_1 [L428] state_15 = next_50_arg_1 [L429] state_17 = next_54_arg_1 [L430] state_19 = next_56_arg_1 [L431] state_21 = next_61_arg_1 [L432] state_23 = next_66_arg_1 [L433] state_25 = next_157_arg_1 [L434] state_29 = next_164_arg_1 [L71] input_2 = __VERIFIER_nondet_uchar() [L74] SORT_1 var_6_arg_0 = state_4; [L75] SORT_1 var_6 = ~var_6_arg_0; [L76] SORT_1 var_10_arg_0 = var_6; [L77] SORT_1 var_10 = ~var_10_arg_0; [L78] SORT_1 var_11_arg_0 = var_9; [L79] SORT_1 var_11_arg_1 = var_10; VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=0, state_15=0, state_17=1, state_19=0, state_21=0, state_23=0, state_25=0, state_29=0, state_4=1, var_11_arg_0=1, var_11_arg_1=-255, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L80] EXPR var_11_arg_0 & var_11_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=0, state_15=0, state_17=1, state_19=0, state_21=0, state_23=0, state_25=0, state_29=0, state_4=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L80] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L81] EXPR var_11 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=0, state_15=0, state_17=1, state_19=0, state_21=0, state_23=0, state_25=0, state_29=0, state_4=1, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L81] var_11 = var_11 & mask_SORT_1 [L82] SORT_1 bad_12_arg_0 = var_11; [L83] CALL __VERIFIER_assert(!(bad_12_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 298 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 372.7s, OverallIterations: 94, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 74.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 144852 SdHoareTripleChecker+Valid, 27.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 144852 mSDsluCounter, 335723 SdHoareTripleChecker+Invalid, 23.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 289304 mSDsCounter, 292 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35054 IncrementalHoareTripleChecker+Invalid, 35346 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 292 mSolverCounterUnsat, 46419 mSDtfsCounter, 35054 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12547 GetRequests, 10943 SyntacticMatches, 10 SemanticMatches, 1594 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41983 ImplicationChecksByTransitivity, 48.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41216occurred in iteration=92, InterpolantAutomatonStates: 1122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 16.2s AutomataMinimizationTime, 93 MinimizatonAttempts, 115048 StatesRemovedByMinimization, 43 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 4.2s SsaConstructionTime, 100.9s SatisfiabilityAnalysisTime, 143.9s InterpolantComputationTime, 31523 NumberOfCodeBlocks, 31523 NumberOfCodeBlocksAsserted, 113 NumberOfCheckSat, 36537 ConstructedInterpolants, 0 QuantifiedInterpolants, 206527 SizeOfPredicates, 124 NumberOfNonLiveVariables, 36616 ConjunctsInSsa, 1371 ConjunctsInUnsatCore, 130 InterpolantComputations, 85 PerfectInterpolantSequences, 12220/15296 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-27 20:30:56,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/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_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/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 8bae34b88b69e395b0952f9a7e7405cfa96e2c3307dff9bcbb01737f33e4d41e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:30:59,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:31:00,031 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-27 20:31:00,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:31:00,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:31:00,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:31:00,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:31:00,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:31:00,090 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:31:00,091 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:31:00,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:31:00,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:31:00,093 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:31:00,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:31:00,093 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:31:00,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:31:00,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:31:00,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:31:00,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:31:00,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:31:00,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:31:00,093 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:31:00,094 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:31:00,094 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:31:00,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:31:00,095 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:31:00,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:31:00,095 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:31:00,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:31:00,095 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:31:00,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:31:00,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:31:00,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:31:00,097 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:31:00,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:31:00,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:31:00,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:31:00,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:31:00,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:31:00,097 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:31:00,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:31:00,097 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:31:00,097 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:31:00,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:31:00,098 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:31:00,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:31:00,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:31:00,098 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_5dda6513-aa58-4203-859c-9af02f0fc22d/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 -> 8bae34b88b69e395b0952f9a7e7405cfa96e2c3307dff9bcbb01737f33e4d41e [2024-11-27 20:31:00,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:31:00,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:31:00,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:31:00,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:31:00,479 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:31:00,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop.c [2024-11-27 20:31:03,545 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/data/0a830dbc3/d421be7104b94b958e56ba756ccf0490/FLAG1539bb8ea [2024-11-27 20:31:03,906 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:31:03,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop.c [2024-11-27 20:31:03,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/data/0a830dbc3/d421be7104b94b958e56ba756ccf0490/FLAG1539bb8ea [2024-11-27 20:31:03,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/data/0a830dbc3/d421be7104b94b958e56ba756ccf0490 [2024-11-27 20:31:03,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:31:03,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:31:03,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:31:03,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:31:03,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:31:03,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:31:03" (1/1) ... [2024-11-27 20:31:03,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191f06ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:03, skipping insertion in model container [2024-11-27 20:31:03,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:31:03" (1/1) ... [2024-11-27 20:31:04,014 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:31:04,216 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_5dda6513-aa58-4203-859c-9af02f0fc22d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop.c[1247,1260] [2024-11-27 20:31:04,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:31:04,440 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:31:04,455 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_5dda6513-aa58-4203-859c-9af02f0fc22d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop.c[1247,1260] [2024-11-27 20:31:04,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:31:04,580 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:31:04,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:04 WrapperNode [2024-11-27 20:31:04,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:31:04,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:31:04,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:31:04,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:31:04,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:04" (1/1) ... [2024-11-27 20:31:04,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:04" (1/1) ... [2024-11-27 20:31:04,688 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 436 [2024-11-27 20:31:04,688 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:31:04,688 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:31:04,689 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:31:04,689 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:31:04,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:04" (1/1) ... [2024-11-27 20:31:04,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:04" (1/1) ... [2024-11-27 20:31:04,715 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:04" (1/1) ... [2024-11-27 20:31:04,756 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]. [2024-11-27 20:31:04,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:04" (1/1) ... [2024-11-27 20:31:04,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:04" (1/1) ... [2024-11-27 20:31:04,784 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:04" (1/1) ... [2024-11-27 20:31:04,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:04" (1/1) ... [2024-11-27 20:31:04,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:04" (1/1) ... [2024-11-27 20:31:04,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:04" (1/1) ... [2024-11-27 20:31:04,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:04" (1/1) ... [2024-11-27 20:31:04,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:31:04,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:31:04,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:31:04,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:31:04,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:04" (1/1) ... [2024-11-27 20:31:04,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:31:04,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:04,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:31:04,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:31:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:31:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 20:31:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:31:04,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:31:05,104 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:31:05,105 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:31:05,619 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-27 20:31:05,619 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:31:05,629 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:31:05,630 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 20:31:05,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:31:05 BoogieIcfgContainer [2024-11-27 20:31:05,630 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:31:05,634 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:31:05,634 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:31:05,640 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:31:05,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:31:03" (1/3) ... [2024-11-27 20:31:05,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b47265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:31:05, skipping insertion in model container [2024-11-27 20:31:05,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:31:04" (2/3) ... [2024-11-27 20:31:05,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b47265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:31:05, skipping insertion in model container [2024-11-27 20:31:05,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:31:05" (3/3) ... [2024-11-27 20:31:05,645 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sw_loop.c [2024-11-27 20:31:05,663 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:31:05,664 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.sw_loop.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:31:05,722 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:31:05,738 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;@929adc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:31:05,738 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:31:05,742 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:31:05,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-27 20:31:05,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:31:05,749 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-27 20:31:05,749 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:31:05,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:05,756 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-27 20:31:05,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:31:05,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [272723297] [2024-11-27 20:31:05,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:05,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:31:05,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:05,771 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:31:05,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:31:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:05,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-27 20:31:05,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:31:06,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:31:06,185 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:31:06,186 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:31:06,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272723297] [2024-11-27 20:31:06,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272723297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:31:06,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:31:06,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:31:06,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388494977] [2024-11-27 20:31:06,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:31:06,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:31:06,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:31:06,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:31:06,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:31:06,225 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:31:06,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:31:06,294 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-27 20:31:06,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:31:06,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2024-11-27 20:31:06,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:31:06,306 INFO L225 Difference]: With dead ends: 18 [2024-11-27 20:31:06,307 INFO L226 Difference]: Without dead ends: 10 [2024-11-27 20:31:06,310 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 [2024-11-27 20:31:06,315 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:31:06,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:31:06,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-27 20:31:06,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-27 20:31:06,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:31:06,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-27 20:31:06,352 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-27 20:31:06,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:31:06,353 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-27 20:31:06,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:31:06,354 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-27 20:31:06,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-27 20:31:06,355 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:31:06,355 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-27 20:31:06,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:31:06,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:31:06,556 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:31:06,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:06,557 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-27 20:31:06,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:31:06,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [101235736] [2024-11-27 20:31:06,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:06,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:31:06,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:06,563 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:31:06,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:31:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:06,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 20:31:06,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:31:07,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:31:07,149 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:31:07,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:31:07,638 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:31:07,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101235736] [2024-11-27 20:31:07,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101235736] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:31:07,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:31:07,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-27 20:31:07,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437062659] [2024-11-27 20:31:07,639 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:31:07,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:31:07,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:31:07,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:31:07,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:31:07,643 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:31:07,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:31:07,774 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-27 20:31:07,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:31:07,776 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 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 8 [2024-11-27 20:31:07,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:31:07,776 INFO L225 Difference]: With dead ends: 15 [2024-11-27 20:31:07,777 INFO L226 Difference]: Without dead ends: 13 [2024-11-27 20:31:07,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:31:07,778 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:31:07,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 19 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:31:07,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-27 20:31:07,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-27 20:31:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:31:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-27 20:31:07,784 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-27 20:31:07,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:31:07,784 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-27 20:31:07,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:31:07,785 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-27 20:31:07,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-27 20:31:07,786 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:31:07,786 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-27 20:31:07,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 20:31:07,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:31:07,990 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:31:07,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:07,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-27 20:31:07,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:31:07,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1404089525] [2024-11-27 20:31:07,992 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:31:07,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:31:07,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:07,995 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:31:07,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:31:08,266 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:31:08,266 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:31:08,270 WARN L254 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-27 20:31:08,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:31:09,212 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:31:09,213 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:31:37,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101 [2024-11-27 20:31:37,100 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-27 20:31:37,102 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:31:37,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404089525] [2024-11-27 20:31:37,102 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-27 20:31:37,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:31:37,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:31:37,304 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:555) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:275) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 45 more [2024-11-27 20:31:37,309 INFO L158 Benchmark]: Toolchain (without parser) took 33354.12ms. Allocated memory was 83.9MB in the beginning and 184.5MB in the end (delta: 100.7MB). Free memory was 58.6MB in the beginning and 133.2MB in the end (delta: -74.7MB). Peak memory consumption was 110.9MB. Max. memory is 16.1GB. [2024-11-27 20:31:37,309 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory was 63.3MB in the beginning and 63.3MB in the end (delta: 18.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:31:37,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.44ms. Allocated memory is still 83.9MB. Free memory was 58.4MB in the beginning and 37.4MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:31:37,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.22ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 33.6MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:31:37,312 INFO L158 Benchmark]: Boogie Preprocessor took 130.31ms. Allocated memory is still 83.9MB. Free memory was 33.6MB in the beginning and 29.3MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:31:37,314 INFO L158 Benchmark]: RCFGBuilder took 811.00ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 29.2MB in the beginning and 83.2MB in the end (delta: -54.1MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-27 20:31:37,314 INFO L158 Benchmark]: TraceAbstraction took 31674.70ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 82.8MB in the beginning and 133.2MB in the end (delta: -50.5MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. [2024-11-27 20:31:37,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory was 63.3MB in the beginning and 63.3MB in the end (delta: 18.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 623.44ms. Allocated memory is still 83.9MB. Free memory was 58.4MB in the beginning and 37.4MB in the end (delta: 21.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.22ms. Allocated memory is still 83.9MB. Free memory was 37.4MB in the beginning and 33.6MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 130.31ms. Allocated memory is still 83.9MB. Free memory was 33.6MB in the beginning and 29.3MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 811.00ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 29.2MB in the beginning and 83.2MB in the end (delta: -54.1MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * TraceAbstraction took 31674.70ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 82.8MB in the beginning and 133.2MB in the end (delta: -50.5MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dda6513-aa58-4203-859c-9af02f0fc22d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")