./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop3-back-serstep.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_be104edd-314a-47e3-9c79-af4480f06c70/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be104edd-314a-47e3-9c79-af4480f06c70/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be104edd-314a-47e3-9c79-af4480f06c70/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be104edd-314a-47e3-9c79-af4480f06c70/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be104edd-314a-47e3-9c79-af4480f06c70/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be104edd-314a-47e3-9c79-af4480f06c70/bin/uautomizer-verify-84ZbGMXZE1 --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 758991f0d89a190f1f68ca539598207b07194d7a826247321c50709700f4042e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:33:25,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:33:25,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be104edd-314a-47e3-9c79-af4480f06c70/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 08:33:25,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:33:25,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:33:25,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:33:25,179 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:33:25,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:33:25,180 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:33:25,180 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:33:25,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:33:25,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:33:25,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:33:25,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:33:25,181 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:33:25,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:33:25,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:33:25,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:33:25,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:33:25,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:33:25,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:33:25,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:33:25,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:33:25,181 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:33:25,182 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:33:25,182 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:33:25,182 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:33:25,182 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:33:25,182 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:33:25,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:33:25,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:33:25,182 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:33:25,182 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:33:25,182 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:33:25,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:33:25,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:33:25,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:33:25,183 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:33:25,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:33:25,183 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:33:25,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:33:25,183 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:33:25,183 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:33:25,183 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:33:25,183 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:33:25,183 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_be104edd-314a-47e3-9c79-af4480f06c70/bin/uautomizer-verify-84ZbGMXZE1 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 -> 758991f0d89a190f1f68ca539598207b07194d7a826247321c50709700f4042e [2024-12-02 08:33:25,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:33:25,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:33:25,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:33:25,433 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:33:25,434 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:33:25,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be104edd-314a-47e3-9c79-af4480f06c70/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop3-back-serstep.c [2024-12-02 08:33:28,065 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be104edd-314a-47e3-9c79-af4480f06c70/bin/uautomizer-verify-84ZbGMXZE1/data/f3b057f03/fbbd1f46785e4910ba9cf29e8fd5fea0/FLAG1ee48ed5a [2024-12-02 08:33:28,446 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:33:28,447 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be104edd-314a-47e3-9c79-af4480f06c70/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop3-back-serstep.c [2024-12-02 08:33:28,478 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be104edd-314a-47e3-9c79-af4480f06c70/bin/uautomizer-verify-84ZbGMXZE1/data/f3b057f03/fbbd1f46785e4910ba9cf29e8fd5fea0/FLAG1ee48ed5a [2024-12-02 08:33:28,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be104edd-314a-47e3-9c79-af4480f06c70/bin/uautomizer-verify-84ZbGMXZE1/data/f3b057f03/fbbd1f46785e4910ba9cf29e8fd5fea0 [2024-12-02 08:33:28,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:33:28,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:33:28,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:33:28,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:33:28,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:33:28,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:33:28" (1/1) ... [2024-12-02 08:33:28,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6e9310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:28, skipping insertion in model container [2024-12-02 08:33:28,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:33:28" (1/1) ... [2024-12-02 08:33:28,727 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:33:28,900 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_be104edd-314a-47e3-9c79-af4480f06c70/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop3-back-serstep.c[1175,1188] [2024-12-02 08:33:29,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:33:29,424 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:33:29,434 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_be104edd-314a-47e3-9c79-af4480f06c70/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop3-back-serstep.c[1175,1188] [2024-12-02 08:33:29,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:33:29,886 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:33:29,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:29 WrapperNode [2024-12-02 08:33:29,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:33:29,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:33:29,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:33:29,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:33:29,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:29" (1/1) ... [2024-12-02 08:33:29,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:29" (1/1) ... [2024-12-02 08:33:31,413 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 18708 [2024-12-02 08:33:31,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:33:31,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:33:31,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:33:31,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:33:31,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:29" (1/1) ... [2024-12-02 08:33:31,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:29" (1/1) ... [2024-12-02 08:33:31,667 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:29" (1/1) ... [2024-12-02 08:33:31,955 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]. [2024-12-02 08:33:31,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:29" (1/1) ... [2024-12-02 08:33:31,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:29" (1/1) ... [2024-12-02 08:33:32,228 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:29" (1/1) ... [2024-12-02 08:33:32,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:29" (1/1) ... [2024-12-02 08:33:32,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:29" (1/1) ... [2024-12-02 08:33:32,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:29" (1/1) ... [2024-12-02 08:33:32,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:29" (1/1) ... [2024-12-02 08:33:32,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:33:32,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:33:32,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:33:32,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:33:32,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:29" (1/1) ... [2024-12-02 08:33:32,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:33:32,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be104edd-314a-47e3-9c79-af4480f06c70/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:33:32,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be104edd-314a-47e3-9c79-af4480f06c70/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:33:32,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be104edd-314a-47e3-9c79-af4480f06c70/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:33:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:33:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:33:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:33:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:33:33,831 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:33:33,833 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:34:16,245 INFO L? ?]: Removed 9947 outVars from TransFormulas that were not future-live. [2024-12-02 08:34:16,245 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:34:16,314 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:34:16,314 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 08:34:16,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:34:16 BoogieIcfgContainer [2024-12-02 08:34:16,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:34:16,317 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:34:16,317 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:34:16,320 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:34:16,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:33:28" (1/3) ... [2024-12-02 08:34:16,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c98fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:34:16, skipping insertion in model container [2024-12-02 08:34:16,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:33:29" (2/3) ... [2024-12-02 08:34:16,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c98fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:34:16, skipping insertion in model container [2024-12-02 08:34:16,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:34:16" (3/3) ... [2024-12-02 08:34:16,323 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.needham.2.prop3-back-serstep.c [2024-12-02 08:34:16,333 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:34:16,335 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.needham.2.prop3-back-serstep.c that has 1 procedures, 6703 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 08:34:16,456 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:34:16,467 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;@58e60342, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:34:16,467 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:34:16,483 INFO L276 IsEmpty]: Start isEmpty. Operand has 6703 states, 6701 states have (on average 1.5036561707207878) internal successors, (10076), 6702 states have internal predecessors, (10076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:16,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2024-12-02 08:34:16,512 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:34:16,513 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:34:16,513 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:34:16,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:34:16,518 INFO L85 PathProgramCache]: Analyzing trace with hash -695185611, now seen corresponding path program 1 times [2024-12-02 08:34:16,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:34:16,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071121316] [2024-12-02 08:34:16,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:34:16,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:34:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:34:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:34:19,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:34:19,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071121316] [2024-12-02 08:34:19,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071121316] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:34:19,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:34:19,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:34:19,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377180653] [2024-12-02 08:34:19,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:34:19,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:34:19,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:34:19,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:34:19,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:34:19,088 INFO L87 Difference]: Start difference. First operand has 6703 states, 6701 states have (on average 1.5036561707207878) internal successors, (10076), 6702 states have internal predecessors, (10076), 0 states have call successors, (0), 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 132.25) internal successors, (529), 4 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:19,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:34:19,449 INFO L93 Difference]: Finished difference Result 13195 states and 19839 transitions. [2024-12-02 08:34:19,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:34:19,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 132.25) internal successors, (529), 4 states have internal predecessors, (529), 0 states have call successors, (0), 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 529 [2024-12-02 08:34:19,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:34:19,486 INFO L225 Difference]: With dead ends: 13195 [2024-12-02 08:34:19,486 INFO L226 Difference]: Without dead ends: 6702 [2024-12-02 08:34:19,496 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 [2024-12-02 08:34:19,499 INFO L435 NwaCegarLoop]: 10070 mSDtfsCounter, 0 mSDsluCounter, 20134 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30204 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:34:19,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30204 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:34:19,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6702 states. [2024-12-02 08:34:19,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6702 to 6702. [2024-12-02 08:34:19,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6702 states, 6701 states have (on average 1.5033577078048053) internal successors, (10074), 6701 states have internal predecessors, (10074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:19,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6702 states to 6702 states and 10074 transitions. [2024-12-02 08:34:19,708 INFO L78 Accepts]: Start accepts. Automaton has 6702 states and 10074 transitions. Word has length 529 [2024-12-02 08:34:19,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:34:19,710 INFO L471 AbstractCegarLoop]: Abstraction has 6702 states and 10074 transitions. [2024-12-02 08:34:19,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 132.25) internal successors, (529), 4 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:19,710 INFO L276 IsEmpty]: Start isEmpty. Operand 6702 states and 10074 transitions. [2024-12-02 08:34:19,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2024-12-02 08:34:19,721 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:34:19,721 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:34:19,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 08:34:19,722 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:34:19,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:34:19,723 INFO L85 PathProgramCache]: Analyzing trace with hash -74218902, now seen corresponding path program 1 times [2024-12-02 08:34:19,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:34:19,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412287109] [2024-12-02 08:34:19,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:34:19,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:34:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:34:20,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:34:20,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:34:20,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412287109] [2024-12-02 08:34:20,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412287109] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:34:20,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:34:20,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:34:20,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771088511] [2024-12-02 08:34:20,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:34:20,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:34:20,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:34:20,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:34:20,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:34:20,547 INFO L87 Difference]: Start difference. First operand 6702 states and 10074 transitions. Second operand has 4 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:20,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:34:20,882 INFO L93 Difference]: Finished difference Result 13196 states and 19837 transitions. [2024-12-02 08:34:20,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:34:20,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 0 states have call successors, (0), 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 530 [2024-12-02 08:34:20,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:34:20,905 INFO L225 Difference]: With dead ends: 13196 [2024-12-02 08:34:20,906 INFO L226 Difference]: Without dead ends: 6704 [2024-12-02 08:34:20,913 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 [2024-12-02 08:34:20,915 INFO L435 NwaCegarLoop]: 10070 mSDtfsCounter, 0 mSDsluCounter, 20130 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30200 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:34:20,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30200 Invalid, 15 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:34:20,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6704 states. [2024-12-02 08:34:21,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6704 to 6704. [2024-12-02 08:34:21,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6704 states, 6703 states have (on average 1.5032075190213336) internal successors, (10076), 6703 states have internal predecessors, (10076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:21,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6704 states to 6704 states and 10076 transitions. [2024-12-02 08:34:21,084 INFO L78 Accepts]: Start accepts. Automaton has 6704 states and 10076 transitions. Word has length 530 [2024-12-02 08:34:21,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:34:21,085 INFO L471 AbstractCegarLoop]: Abstraction has 6704 states and 10076 transitions. [2024-12-02 08:34:21,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 6704 states and 10076 transitions. [2024-12-02 08:34:21,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2024-12-02 08:34:21,097 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:34:21,097 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:34:21,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:34:21,098 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:34:21,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:34:21,099 INFO L85 PathProgramCache]: Analyzing trace with hash 896218798, now seen corresponding path program 1 times [2024-12-02 08:34:21,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:34:21,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425866528] [2024-12-02 08:34:21,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:34:21,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:34:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:34:22,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:34:22,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:34:22,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425866528] [2024-12-02 08:34:22,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425866528] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:34:22,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:34:22,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:34:22,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933223046] [2024-12-02 08:34:22,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:34:22,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:34:22,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:34:22,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:34:22,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:34:22,838 INFO L87 Difference]: Start difference. First operand 6704 states and 10076 transitions. Second operand has 5 states, 5 states have (on average 106.2) internal successors, (531), 5 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:23,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:34:23,266 INFO L93 Difference]: Finished difference Result 19678 states and 29581 transitions. [2024-12-02 08:34:23,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:34:23,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 106.2) internal successors, (531), 5 states have internal predecessors, (531), 0 states have call successors, (0), 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 531 [2024-12-02 08:34:23,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:34:23,314 INFO L225 Difference]: With dead ends: 19678 [2024-12-02 08:34:23,314 INFO L226 Difference]: Without dead ends: 13184 [2024-12-02 08:34:23,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:34:23,324 INFO L435 NwaCegarLoop]: 10068 mSDtfsCounter, 9533 mSDsluCounter, 29885 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9533 SdHoareTripleChecker+Valid, 39953 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:34:23,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9533 Valid, 39953 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:34:23,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13184 states. [2024-12-02 08:34:23,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13184 to 7538. [2024-12-02 08:34:23,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7538 states, 7537 states have (on average 1.502719915085578) internal successors, (11326), 7537 states have internal predecessors, (11326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:23,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7538 states to 7538 states and 11326 transitions. [2024-12-02 08:34:23,549 INFO L78 Accepts]: Start accepts. Automaton has 7538 states and 11326 transitions. Word has length 531 [2024-12-02 08:34:23,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:34:23,550 INFO L471 AbstractCegarLoop]: Abstraction has 7538 states and 11326 transitions. [2024-12-02 08:34:23,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 106.2) internal successors, (531), 5 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:23,550 INFO L276 IsEmpty]: Start isEmpty. Operand 7538 states and 11326 transitions. [2024-12-02 08:34:23,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3679 [2024-12-02 08:34:23,747 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:34:23,749 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:34:23,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:34:23,750 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:34:23,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:34:23,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1496590886, now seen corresponding path program 1 times [2024-12-02 08:34:23,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:34:23,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953158774] [2024-12-02 08:34:23,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:34:23,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:34:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:34:35,586 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:34:35,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:34:35,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953158774] [2024-12-02 08:34:35,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953158774] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:34:35,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:34:35,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:34:35,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941546395] [2024-12-02 08:34:35,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:34:35,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:34:35,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:34:35,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:34:35,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:34:35,596 INFO L87 Difference]: Start difference. First operand 7538 states and 11326 transitions. Second operand has 3 states, 3 states have (on average 1226.0) internal successors, (3678), 3 states have internal predecessors, (3678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:35,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:34:35,705 INFO L93 Difference]: Finished difference Result 14033 states and 21090 transitions. [2024-12-02 08:34:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:34:35,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1226.0) internal successors, (3678), 3 states have internal predecessors, (3678), 0 states have call successors, (0), 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 3678 [2024-12-02 08:34:35,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:34:35,723 INFO L225 Difference]: With dead ends: 14033 [2024-12-02 08:34:35,723 INFO L226 Difference]: Without dead ends: 7539 [2024-12-02 08:34:35,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:34:35,731 INFO L435 NwaCegarLoop]: 10071 mSDtfsCounter, 0 mSDsluCounter, 10065 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20136 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:34:35,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20136 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:34:35,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7539 states. [2024-12-02 08:34:35,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7539 to 7539. [2024-12-02 08:34:35,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7539 states, 7538 states have (on average 1.5026532236667551) internal successors, (11327), 7538 states have internal predecessors, (11327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:35,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7539 states to 7539 states and 11327 transitions. [2024-12-02 08:34:35,888 INFO L78 Accepts]: Start accepts. Automaton has 7539 states and 11327 transitions. Word has length 3678 [2024-12-02 08:34:35,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:34:35,891 INFO L471 AbstractCegarLoop]: Abstraction has 7539 states and 11327 transitions. [2024-12-02 08:34:35,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1226.0) internal successors, (3678), 3 states have internal predecessors, (3678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:35,892 INFO L276 IsEmpty]: Start isEmpty. Operand 7539 states and 11327 transitions. [2024-12-02 08:34:35,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3679 [2024-12-02 08:34:35,995 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:34:35,997 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:34:35,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:34:35,998 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:34:36,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:34:36,003 INFO L85 PathProgramCache]: Analyzing trace with hash -397385717, now seen corresponding path program 1 times [2024-12-02 08:34:36,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:34:36,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599063661] [2024-12-02 08:34:36,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:34:36,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:34:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:34:46,052 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:34:46,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:34:46,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599063661] [2024-12-02 08:34:46,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599063661] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:34:46,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:34:46,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:34:46,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390867568] [2024-12-02 08:34:46,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:34:46,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:34:46,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:34:46,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:34:46,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:34:46,057 INFO L87 Difference]: Start difference. First operand 7539 states and 11327 transitions. Second operand has 3 states, 3 states have (on average 1226.0) internal successors, (3678), 3 states have internal predecessors, (3678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:46,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:34:46,118 INFO L93 Difference]: Finished difference Result 14035 states and 21092 transitions. [2024-12-02 08:34:46,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:34:46,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1226.0) internal successors, (3678), 3 states have internal predecessors, (3678), 0 states have call successors, (0), 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 3678 [2024-12-02 08:34:46,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:34:46,129 INFO L225 Difference]: With dead ends: 14035 [2024-12-02 08:34:46,130 INFO L226 Difference]: Without dead ends: 7540 [2024-12-02 08:34:46,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:34:46,134 INFO L435 NwaCegarLoop]: 10071 mSDtfsCounter, 0 mSDsluCounter, 10065 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20136 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:34:46,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20136 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:34:46,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7540 states. [2024-12-02 08:34:46,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7540 to 7540. [2024-12-02 08:34:46,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7540 states, 7539 states have (on average 1.5025865499403104) internal successors, (11328), 7539 states have internal predecessors, (11328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:46,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7540 states to 7540 states and 11328 transitions. [2024-12-02 08:34:46,217 INFO L78 Accepts]: Start accepts. Automaton has 7540 states and 11328 transitions. Word has length 3678 [2024-12-02 08:34:46,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:34:46,218 INFO L471 AbstractCegarLoop]: Abstraction has 7540 states and 11328 transitions. [2024-12-02 08:34:46,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1226.0) internal successors, (3678), 3 states have internal predecessors, (3678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:46,218 INFO L276 IsEmpty]: Start isEmpty. Operand 7540 states and 11328 transitions. [2024-12-02 08:34:46,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3679 [2024-12-02 08:34:46,275 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:34:46,277 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:34:46,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:34:46,277 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:34:46,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:34:46,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1975847034, now seen corresponding path program 1 times [2024-12-02 08:34:46,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:34:46,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833894815] [2024-12-02 08:34:46,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:34:46,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:34:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:34:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:34:55,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:34:55,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833894815] [2024-12-02 08:34:55,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833894815] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:34:55,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:34:55,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:34:55,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536265996] [2024-12-02 08:34:55,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:34:55,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:34:55,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:34:55,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:34:55,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:34:55,146 INFO L87 Difference]: Start difference. First operand 7540 states and 11328 transitions. Second operand has 3 states, 3 states have (on average 1226.0) internal successors, (3678), 3 states have internal predecessors, (3678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:55,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:34:55,277 INFO L93 Difference]: Finished difference Result 14037 states and 21094 transitions. [2024-12-02 08:34:55,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:34:55,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1226.0) internal successors, (3678), 3 states have internal predecessors, (3678), 0 states have call successors, (0), 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 3678 [2024-12-02 08:34:55,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:34:55,295 INFO L225 Difference]: With dead ends: 14037 [2024-12-02 08:34:55,295 INFO L226 Difference]: Without dead ends: 7541 [2024-12-02 08:34:55,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:34:55,302 INFO L435 NwaCegarLoop]: 10071 mSDtfsCounter, 0 mSDsluCounter, 10065 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20136 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:34:55,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20136 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:34:55,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7541 states. [2024-12-02 08:34:55,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7541 to 7541. [2024-12-02 08:34:55,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7541 states, 7540 states have (on average 1.5025198938992042) internal successors, (11329), 7540 states have internal predecessors, (11329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:55,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7541 states to 7541 states and 11329 transitions. [2024-12-02 08:34:55,444 INFO L78 Accepts]: Start accepts. Automaton has 7541 states and 11329 transitions. Word has length 3678 [2024-12-02 08:34:55,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:34:55,448 INFO L471 AbstractCegarLoop]: Abstraction has 7541 states and 11329 transitions. [2024-12-02 08:34:55,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1226.0) internal successors, (3678), 3 states have internal predecessors, (3678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:34:55,449 INFO L276 IsEmpty]: Start isEmpty. Operand 7541 states and 11329 transitions. [2024-12-02 08:34:55,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3679 [2024-12-02 08:34:55,746 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:34:55,748 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:34:55,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 08:34:55,748 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:34:55,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:34:55,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1633878933, now seen corresponding path program 1 times [2024-12-02 08:34:55,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:34:55,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370696611] [2024-12-02 08:34:55,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:34:55,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:34:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:35:07,015 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2024-12-02 08:35:07,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:35:07,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370696611] [2024-12-02 08:35:07,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370696611] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:35:07,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:35:07,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:35:07,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861836399] [2024-12-02 08:35:07,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:35:07,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:35:07,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:35:07,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:35:07,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:35:07,023 INFO L87 Difference]: Start difference. First operand 7541 states and 11329 transitions. Second operand has 5 states, 5 states have (on average 652.6) internal successors, (3263), 5 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:07,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:35:07,149 INFO L93 Difference]: Finished difference Result 14042 states and 21099 transitions. [2024-12-02 08:35:07,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:35:07,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 652.6) internal successors, (3263), 5 states have internal predecessors, (3263), 0 states have call successors, (0), 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 3678 [2024-12-02 08:35:07,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:35:07,165 INFO L225 Difference]: With dead ends: 14042 [2024-12-02 08:35:07,165 INFO L226 Difference]: Without dead ends: 7545 [2024-12-02 08:35:07,169 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 [2024-12-02 08:35:07,170 INFO L435 NwaCegarLoop]: 10070 mSDtfsCounter, 0 mSDsluCounter, 30194 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40264 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 [2024-12-02 08:35:07,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40264 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:35:07,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7545 states. [2024-12-02 08:35:07,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7545 to 7541. [2024-12-02 08:35:07,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7541 states, 7540 states have (on average 1.5025198938992042) internal successors, (11329), 7540 states have internal predecessors, (11329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7541 states to 7541 states and 11329 transitions. [2024-12-02 08:35:07,245 INFO L78 Accepts]: Start accepts. Automaton has 7541 states and 11329 transitions. Word has length 3678 [2024-12-02 08:35:07,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:35:07,248 INFO L471 AbstractCegarLoop]: Abstraction has 7541 states and 11329 transitions. [2024-12-02 08:35:07,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 652.6) internal successors, (3263), 5 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:07,249 INFO L276 IsEmpty]: Start isEmpty. Operand 7541 states and 11329 transitions. [2024-12-02 08:35:07,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3680 [2024-12-02 08:35:07,332 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:35:07,333 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:35:07,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 08:35:07,334 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:35:07,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:35:07,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1798250836, now seen corresponding path program 1 times [2024-12-02 08:35:07,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:35:07,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201624654] [2024-12-02 08:35:07,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:35:07,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:35:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:35:17,504 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:35:17,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:35:17,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201624654] [2024-12-02 08:35:17,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201624654] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:35:17,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:35:17,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:35:17,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767442597] [2024-12-02 08:35:17,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:35:17,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:35:17,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:35:17,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:35:17,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:35:17,512 INFO L87 Difference]: Start difference. First operand 7541 states and 11329 transitions. Second operand has 4 states, 4 states have (on average 919.75) internal successors, (3679), 4 states have internal predecessors, (3679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:18,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:35:18,237 INFO L93 Difference]: Finished difference Result 14040 states and 21096 transitions. [2024-12-02 08:35:18,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:35:18,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 919.75) internal successors, (3679), 4 states have internal predecessors, (3679), 0 states have call successors, (0), 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 3679 [2024-12-02 08:35:18,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:35:18,250 INFO L225 Difference]: With dead ends: 14040 [2024-12-02 08:35:18,250 INFO L226 Difference]: Without dead ends: 7541 [2024-12-02 08:35:18,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:35:18,256 INFO L435 NwaCegarLoop]: 9741 mSDtfsCounter, 9536 mSDsluCounter, 9737 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9536 SdHoareTripleChecker+Valid, 19478 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 08:35:18,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9536 Valid, 19478 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 08:35:18,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7541 states. [2024-12-02 08:35:18,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7541 to 7541. [2024-12-02 08:35:18,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7541 states, 7540 states have (on average 1.5023872679045094) internal successors, (11328), 7540 states have internal predecessors, (11328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:18,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7541 states to 7541 states and 11328 transitions. [2024-12-02 08:35:18,359 INFO L78 Accepts]: Start accepts. Automaton has 7541 states and 11328 transitions. Word has length 3679 [2024-12-02 08:35:18,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:35:18,360 INFO L471 AbstractCegarLoop]: Abstraction has 7541 states and 11328 transitions. [2024-12-02 08:35:18,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 919.75) internal successors, (3679), 4 states have internal predecessors, (3679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:18,361 INFO L276 IsEmpty]: Start isEmpty. Operand 7541 states and 11328 transitions. [2024-12-02 08:35:18,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3681 [2024-12-02 08:35:18,438 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:35:18,439 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:35:18,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 08:35:18,440 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:35:18,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:35:18,442 INFO L85 PathProgramCache]: Analyzing trace with hash 317942438, now seen corresponding path program 1 times [2024-12-02 08:35:18,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:35:18,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180638714] [2024-12-02 08:35:18,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:35:18,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:35:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:35:26,919 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:35:26,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:35:26,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180638714] [2024-12-02 08:35:26,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180638714] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:35:26,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:35:26,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:35:26,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838625471] [2024-12-02 08:35:26,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:35:26,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:35:26,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:35:26,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:35:26,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:35:26,927 INFO L87 Difference]: Start difference. First operand 7541 states and 11328 transitions. Second operand has 4 states, 4 states have (on average 920.0) internal successors, (3680), 4 states have internal predecessors, (3680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:27,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:35:27,858 INFO L93 Difference]: Finished difference Result 13989 states and 21043 transitions. [2024-12-02 08:35:27,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:35:27,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 920.0) internal successors, (3680), 4 states have internal predecessors, (3680), 0 states have call successors, (0), 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 3680 [2024-12-02 08:35:27,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:35:27,866 INFO L225 Difference]: With dead ends: 13989 [2024-12-02 08:35:27,866 INFO L226 Difference]: Without dead ends: 7490 [2024-12-02 08:35:27,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:35:27,870 INFO L435 NwaCegarLoop]: 9461 mSDtfsCounter, 9418 mSDsluCounter, 9456 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9418 SdHoareTripleChecker+Valid, 18917 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 08:35:27,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9418 Valid, 18917 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 08:35:27,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7490 states. [2024-12-02 08:35:27,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7490 to 7490. [2024-12-02 08:35:27,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7490 states, 7489 states have (on average 1.4987314728268126) internal successors, (11224), 7489 states have internal predecessors, (11224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7490 states to 7490 states and 11224 transitions. [2024-12-02 08:35:27,936 INFO L78 Accepts]: Start accepts. Automaton has 7490 states and 11224 transitions. Word has length 3680 [2024-12-02 08:35:27,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:35:27,937 INFO L471 AbstractCegarLoop]: Abstraction has 7490 states and 11224 transitions. [2024-12-02 08:35:27,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 920.0) internal successors, (3680), 4 states have internal predecessors, (3680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:27,938 INFO L276 IsEmpty]: Start isEmpty. Operand 7490 states and 11224 transitions. [2024-12-02 08:35:27,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3682 [2024-12-02 08:35:27,991 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:35:27,993 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:35:27,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 08:35:27,993 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:35:27,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:35:27,995 INFO L85 PathProgramCache]: Analyzing trace with hash -2130497524, now seen corresponding path program 1 times [2024-12-02 08:35:27,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:35:27,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692360736] [2024-12-02 08:35:27,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:35:27,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:35:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:35:38,618 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:35:38,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:35:38,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692360736] [2024-12-02 08:35:38,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692360736] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:35:38,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:35:38,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:35:38,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377301710] [2024-12-02 08:35:38,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:35:38,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:35:38,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:35:38,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:35:38,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:35:38,626 INFO L87 Difference]: Start difference. First operand 7490 states and 11224 transitions. Second operand has 5 states, 5 states have (on average 736.2) internal successors, (3681), 5 states have internal predecessors, (3681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:38,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:35:38,850 INFO L93 Difference]: Finished difference Result 13939 states and 20888 transitions. [2024-12-02 08:35:38,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:35:38,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 736.2) internal successors, (3681), 5 states have internal predecessors, (3681), 0 states have call successors, (0), 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 3681 [2024-12-02 08:35:38,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:35:38,869 INFO L225 Difference]: With dead ends: 13939 [2024-12-02 08:35:38,869 INFO L226 Difference]: Without dead ends: 7491 [2024-12-02 08:35:38,878 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:35:38,885 INFO L435 NwaCegarLoop]: 9944 mSDtfsCounter, 9432 mSDsluCounter, 19883 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9432 SdHoareTripleChecker+Valid, 29827 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:35:38,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9432 Valid, 29827 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:35:38,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7491 states. [2024-12-02 08:35:38,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7491 to 7491. [2024-12-02 08:35:38,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7491 states, 7490 states have (on average 1.4986648865153538) internal successors, (11225), 7490 states have internal predecessors, (11225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:38,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7491 states to 7491 states and 11225 transitions. [2024-12-02 08:35:38,983 INFO L78 Accepts]: Start accepts. Automaton has 7491 states and 11225 transitions. Word has length 3681 [2024-12-02 08:35:38,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:35:38,984 INFO L471 AbstractCegarLoop]: Abstraction has 7491 states and 11225 transitions. [2024-12-02 08:35:38,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 736.2) internal successors, (3681), 5 states have internal predecessors, (3681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:38,985 INFO L276 IsEmpty]: Start isEmpty. Operand 7491 states and 11225 transitions. [2024-12-02 08:35:39,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3682 [2024-12-02 08:35:39,151 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:35:39,153 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:35:39,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 08:35:39,154 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:35:39,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:35:39,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1514503220, now seen corresponding path program 1 times [2024-12-02 08:35:39,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:35:39,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164221610] [2024-12-02 08:35:39,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:35:39,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:35:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:35:46,627 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:35:46,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:35:46,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164221610] [2024-12-02 08:35:46,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164221610] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:35:46,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:35:46,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:35:46,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547725196] [2024-12-02 08:35:46,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:35:46,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:35:46,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:35:46,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:35:46,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:35:46,631 INFO L87 Difference]: Start difference. First operand 7491 states and 11225 transitions. Second operand has 5 states, 5 states have (on average 736.2) internal successors, (3681), 5 states have internal predecessors, (3681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:47,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:35:47,150 INFO L93 Difference]: Finished difference Result 13940 states and 20888 transitions. [2024-12-02 08:35:47,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:35:47,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 736.2) internal successors, (3681), 5 states have internal predecessors, (3681), 0 states have call successors, (0), 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 3681 [2024-12-02 08:35:47,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:35:47,157 INFO L225 Difference]: With dead ends: 13940 [2024-12-02 08:35:47,157 INFO L226 Difference]: Without dead ends: 7491 [2024-12-02 08:35:47,161 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:35:47,161 INFO L435 NwaCegarLoop]: 9640 mSDtfsCounter, 19367 mSDsluCounter, 9637 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19367 SdHoareTripleChecker+Valid, 19277 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:35:47,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19367 Valid, 19277 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:35:47,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7491 states. [2024-12-02 08:35:47,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7491 to 7491. [2024-12-02 08:35:47,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7491 states, 7490 states have (on average 1.4985313751668892) internal successors, (11224), 7490 states have internal predecessors, (11224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:47,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7491 states to 7491 states and 11224 transitions. [2024-12-02 08:35:47,228 INFO L78 Accepts]: Start accepts. Automaton has 7491 states and 11224 transitions. Word has length 3681 [2024-12-02 08:35:47,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:35:47,228 INFO L471 AbstractCegarLoop]: Abstraction has 7491 states and 11224 transitions. [2024-12-02 08:35:47,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 736.2) internal successors, (3681), 5 states have internal predecessors, (3681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:47,229 INFO L276 IsEmpty]: Start isEmpty. Operand 7491 states and 11224 transitions. [2024-12-02 08:35:47,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3683 [2024-12-02 08:35:47,283 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:35:47,285 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 08:35:47,285 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:35:47,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:35:47,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1081041529, now seen corresponding path program 1 times [2024-12-02 08:35:47,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:35:47,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316986437] [2024-12-02 08:35:47,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:35:47,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:35:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:35:55,559 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:35:55,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:35:55,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316986437] [2024-12-02 08:35:55,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316986437] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:35:55,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:35:55,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:35:55,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950083761] [2024-12-02 08:35:55,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:35:55,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:35:55,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:35:55,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:35:55,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:35:55,567 INFO L87 Difference]: Start difference. First operand 7491 states and 11224 transitions. Second operand has 4 states, 4 states have (on average 920.5) internal successors, (3682), 4 states have internal predecessors, (3682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:56,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:35:56,459 INFO L93 Difference]: Finished difference Result 13940 states and 20886 transitions. [2024-12-02 08:35:56,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:35:56,460 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 920.5) internal successors, (3682), 4 states have internal predecessors, (3682), 0 states have call successors, (0), 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 3682 [2024-12-02 08:35:56,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:35:56,467 INFO L225 Difference]: With dead ends: 13940 [2024-12-02 08:35:56,467 INFO L226 Difference]: Without dead ends: 7491 [2024-12-02 08:35:56,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:35:56,471 INFO L435 NwaCegarLoop]: 9460 mSDtfsCounter, 9407 mSDsluCounter, 9454 mSDsCounter, 0 mSdLazyCounter, 1005 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9407 SdHoareTripleChecker+Valid, 18914 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 08:35:56,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9407 Valid, 18914 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1005 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 08:35:56,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7491 states. [2024-12-02 08:35:56,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7491 to 7491. [2024-12-02 08:35:56,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7491 states, 7490 states have (on average 1.49826435246996) internal successors, (11222), 7490 states have internal predecessors, (11222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7491 states to 7491 states and 11222 transitions. [2024-12-02 08:35:56,561 INFO L78 Accepts]: Start accepts. Automaton has 7491 states and 11222 transitions. Word has length 3682 [2024-12-02 08:35:56,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:35:56,562 INFO L471 AbstractCegarLoop]: Abstraction has 7491 states and 11222 transitions. [2024-12-02 08:35:56,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 920.5) internal successors, (3682), 4 states have internal predecessors, (3682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:35:56,563 INFO L276 IsEmpty]: Start isEmpty. Operand 7491 states and 11222 transitions. [2024-12-02 08:35:56,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3684 [2024-12-02 08:35:56,697 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:35:56,698 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 08:35:56,698 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:35:56,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:35:56,700 INFO L85 PathProgramCache]: Analyzing trace with hash -547253340, now seen corresponding path program 1 times [2024-12-02 08:35:56,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:35:56,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247911283] [2024-12-02 08:35:56,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:35:56,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:05,999 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:36:05,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:05,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247911283] [2024-12-02 08:36:05,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247911283] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:36:05,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:36:06,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:36:06,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648757834] [2024-12-02 08:36:06,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:36:06,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:36:06,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:06,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:36:06,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:36:06,005 INFO L87 Difference]: Start difference. First operand 7491 states and 11222 transitions. Second operand has 5 states, 5 states have (on average 736.6) internal successors, (3683), 5 states have internal predecessors, (3683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:06,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:06,148 INFO L93 Difference]: Finished difference Result 13941 states and 20884 transitions. [2024-12-02 08:36:06,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:36:06,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 736.6) internal successors, (3683), 5 states have internal predecessors, (3683), 0 states have call successors, (0), 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 3683 [2024-12-02 08:36:06,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:06,154 INFO L225 Difference]: With dead ends: 13941 [2024-12-02 08:36:06,154 INFO L226 Difference]: Without dead ends: 7492 [2024-12-02 08:36:06,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:36:06,158 INFO L435 NwaCegarLoop]: 9943 mSDtfsCounter, 9415 mSDsluCounter, 19881 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9415 SdHoareTripleChecker+Valid, 29824 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:06,158 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9415 Valid, 29824 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:36:06,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7492 states. [2024-12-02 08:36:06,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7492 to 7492. [2024-12-02 08:36:06,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7492 states, 7491 states have (on average 1.4981978374048859) internal successors, (11223), 7491 states have internal predecessors, (11223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:06,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7492 states to 7492 states and 11223 transitions. [2024-12-02 08:36:06,217 INFO L78 Accepts]: Start accepts. Automaton has 7492 states and 11223 transitions. Word has length 3683 [2024-12-02 08:36:06,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:06,218 INFO L471 AbstractCegarLoop]: Abstraction has 7492 states and 11223 transitions. [2024-12-02 08:36:06,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 736.6) internal successors, (3683), 5 states have internal predecessors, (3683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:06,219 INFO L276 IsEmpty]: Start isEmpty. Operand 7492 states and 11223 transitions. [2024-12-02 08:36:06,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3684 [2024-12-02 08:36:06,272 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:06,273 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:36:06,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 08:36:06,273 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:36:06,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:06,275 INFO L85 PathProgramCache]: Analyzing trace with hash -72841372, now seen corresponding path program 1 times [2024-12-02 08:36:06,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:06,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396722085] [2024-12-02 08:36:06,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:06,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:14,778 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:36:14,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:14,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396722085] [2024-12-02 08:36:14,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396722085] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:36:14,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:36:14,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:36:14,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855209050] [2024-12-02 08:36:14,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:36:14,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:36:14,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:14,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:36:14,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:36:14,783 INFO L87 Difference]: Start difference. First operand 7492 states and 11223 transitions. Second operand has 5 states, 5 states have (on average 736.6) internal successors, (3683), 5 states have internal predecessors, (3683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:15,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:15,337 INFO L93 Difference]: Finished difference Result 13942 states and 20884 transitions. [2024-12-02 08:36:15,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:36:15,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 736.6) internal successors, (3683), 5 states have internal predecessors, (3683), 0 states have call successors, (0), 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 3683 [2024-12-02 08:36:15,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:15,343 INFO L225 Difference]: With dead ends: 13942 [2024-12-02 08:36:15,343 INFO L226 Difference]: Without dead ends: 7492 [2024-12-02 08:36:15,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:36:15,347 INFO L435 NwaCegarLoop]: 9636 mSDtfsCounter, 19265 mSDsluCounter, 9633 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19265 SdHoareTripleChecker+Valid, 19269 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:15,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19265 Valid, 19269 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 08:36:15,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7492 states. [2024-12-02 08:36:15,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7492 to 7492. [2024-12-02 08:36:15,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7492 states, 7491 states have (on average 1.4980643438793217) internal successors, (11222), 7491 states have internal predecessors, (11222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:15,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7492 states to 7492 states and 11222 transitions. [2024-12-02 08:36:15,408 INFO L78 Accepts]: Start accepts. Automaton has 7492 states and 11222 transitions. Word has length 3683 [2024-12-02 08:36:15,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:15,408 INFO L471 AbstractCegarLoop]: Abstraction has 7492 states and 11222 transitions. [2024-12-02 08:36:15,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 736.6) internal successors, (3683), 5 states have internal predecessors, (3683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:15,409 INFO L276 IsEmpty]: Start isEmpty. Operand 7492 states and 11222 transitions. [2024-12-02 08:36:15,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3685 [2024-12-02 08:36:15,516 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:15,517 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 08:36:15,517 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:36:15,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:15,520 INFO L85 PathProgramCache]: Analyzing trace with hash -802349866, now seen corresponding path program 1 times [2024-12-02 08:36:15,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:15,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115119595] [2024-12-02 08:36:15,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:15,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:36:25,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:25,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115119595] [2024-12-02 08:36:25,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115119595] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:36:25,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:36:25,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:36:25,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791427441] [2024-12-02 08:36:25,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:36:25,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:36:25,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:25,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:36:25,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:36:25,268 INFO L87 Difference]: Start difference. First operand 7492 states and 11222 transitions. Second operand has 4 states, 4 states have (on average 921.0) internal successors, (3684), 4 states have internal predecessors, (3684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:26,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:26,239 INFO L93 Difference]: Finished difference Result 13942 states and 20882 transitions. [2024-12-02 08:36:26,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:36:26,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 921.0) internal successors, (3684), 4 states have internal predecessors, (3684), 0 states have call successors, (0), 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 3684 [2024-12-02 08:36:26,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:26,245 INFO L225 Difference]: With dead ends: 13942 [2024-12-02 08:36:26,245 INFO L226 Difference]: Without dead ends: 7492 [2024-12-02 08:36:26,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:36:26,248 INFO L435 NwaCegarLoop]: 9459 mSDtfsCounter, 9356 mSDsluCounter, 9453 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9356 SdHoareTripleChecker+Valid, 18912 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:26,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9356 Valid, 18912 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 08:36:26,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7492 states. [2024-12-02 08:36:26,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7492 to 7492. [2024-12-02 08:36:26,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7492 states, 7491 states have (on average 1.497797356828194) internal successors, (11220), 7491 states have internal predecessors, (11220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:26,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7492 states to 7492 states and 11220 transitions. [2024-12-02 08:36:26,314 INFO L78 Accepts]: Start accepts. Automaton has 7492 states and 11220 transitions. Word has length 3684 [2024-12-02 08:36:26,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:26,315 INFO L471 AbstractCegarLoop]: Abstraction has 7492 states and 11220 transitions. [2024-12-02 08:36:26,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 921.0) internal successors, (3684), 4 states have internal predecessors, (3684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:26,316 INFO L276 IsEmpty]: Start isEmpty. Operand 7492 states and 11220 transitions. [2024-12-02 08:36:26,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3686 [2024-12-02 08:36:26,369 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:26,371 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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08:36:26,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 08:36:26,371 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:36:26,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:26,374 INFO L85 PathProgramCache]: Analyzing trace with hash 21405724, now seen corresponding path program 1 times [2024-12-02 08:36:26,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:26,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754198724] [2024-12-02 08:36:26,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:26,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:34,843 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:36:34,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:34,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754198724] [2024-12-02 08:36:34,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754198724] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:36:34,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:36:34,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:36:34,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707816898] [2024-12-02 08:36:34,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:36:34,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:36:34,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:34,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:36:34,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:36:34,851 INFO L87 Difference]: Start difference. First operand 7492 states and 11220 transitions. Second operand has 5 states, 5 states have (on average 737.0) internal successors, (3685), 5 states have internal predecessors, (3685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:35,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:35,006 INFO L93 Difference]: Finished difference Result 13943 states and 20880 transitions. [2024-12-02 08:36:35,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:36:35,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 737.0) internal successors, (3685), 5 states have internal predecessors, (3685), 0 states have call successors, (0), 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 3685 [2024-12-02 08:36:35,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:35,012 INFO L225 Difference]: With dead ends: 13943 [2024-12-02 08:36:35,013 INFO L226 Difference]: Without dead ends: 7493 [2024-12-02 08:36:35,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:36:35,017 INFO L435 NwaCegarLoop]: 9938 mSDtfsCounter, 9364 mSDsluCounter, 19871 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9364 SdHoareTripleChecker+Valid, 29809 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:35,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9364 Valid, 29809 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:36:35,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7493 states. [2024-12-02 08:36:35,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7493 to 7493. [2024-12-02 08:36:35,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7493 states, 7492 states have (on average 1.4977309129738388) internal successors, (11221), 7492 states have internal predecessors, (11221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:35,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7493 states to 7493 states and 11221 transitions. [2024-12-02 08:36:35,082 INFO L78 Accepts]: Start accepts. Automaton has 7493 states and 11221 transitions. Word has length 3685 [2024-12-02 08:36:35,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:35,083 INFO L471 AbstractCegarLoop]: Abstraction has 7493 states and 11221 transitions. [2024-12-02 08:36:35,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 737.0) internal successors, (3685), 5 states have internal predecessors, (3685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:35,084 INFO L276 IsEmpty]: Start isEmpty. Operand 7493 states and 11221 transitions. [2024-12-02 08:36:35,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3686 [2024-12-02 08:36:35,193 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:35,194 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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08:36:35,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 08:36:35,194 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:36:35,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:35,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1063377956, now seen corresponding path program 1 times [2024-12-02 08:36:35,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:35,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760023298] [2024-12-02 08:36:35,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:35,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:43,692 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:36:43,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:43,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760023298] [2024-12-02 08:36:43,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760023298] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:36:43,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:36:43,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:36:43,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150464939] [2024-12-02 08:36:43,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:36:43,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:36:43,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:43,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:36:43,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:36:43,700 INFO L87 Difference]: Start difference. First operand 7493 states and 11221 transitions. Second operand has 5 states, 5 states have (on average 737.0) internal successors, (3685), 5 states have internal predecessors, (3685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:44,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:44,479 INFO L93 Difference]: Finished difference Result 13943 states and 20879 transitions. [2024-12-02 08:36:44,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:36:44,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 737.0) internal successors, (3685), 5 states have internal predecessors, (3685), 0 states have call successors, (0), 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 3685 [2024-12-02 08:36:44,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:44,484 INFO L225 Difference]: With dead ends: 13943 [2024-12-02 08:36:44,484 INFO L226 Difference]: Without dead ends: 7492 [2024-12-02 08:36:44,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:36:44,487 INFO L435 NwaCegarLoop]: 9636 mSDtfsCounter, 9892 mSDsluCounter, 9634 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9892 SdHoareTripleChecker+Valid, 19270 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:44,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9892 Valid, 19270 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 08:36:44,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7492 states. [2024-12-02 08:36:44,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7492 to 7492. [2024-12-02 08:36:44,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7492 states, 7491 states have (on average 1.4976638633026298) internal successors, (11219), 7491 states have internal predecessors, (11219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:44,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7492 states to 7492 states and 11219 transitions. [2024-12-02 08:36:44,544 INFO L78 Accepts]: Start accepts. Automaton has 7492 states and 11219 transitions. Word has length 3685 [2024-12-02 08:36:44,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:44,544 INFO L471 AbstractCegarLoop]: Abstraction has 7492 states and 11219 transitions. [2024-12-02 08:36:44,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 737.0) internal successors, (3685), 5 states have internal predecessors, (3685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:44,545 INFO L276 IsEmpty]: Start isEmpty. Operand 7492 states and 11219 transitions. [2024-12-02 08:36:44,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3687 [2024-12-02 08:36:44,597 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:44,598 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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08:36:44,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 08:36:44,598 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:36:44,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:44,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1930318214, now seen corresponding path program 1 times [2024-12-02 08:36:44,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:44,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607139935] [2024-12-02 08:36:44,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:44,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:36:51,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:51,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607139935] [2024-12-02 08:36:51,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607139935] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:36:51,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:36:51,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:36:51,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354096614] [2024-12-02 08:36:51,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:36:51,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:36:51,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:51,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:36:51,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:36:51,185 INFO L87 Difference]: Start difference. First operand 7492 states and 11219 transitions. Second operand has 5 states, 5 states have (on average 737.2) internal successors, (3686), 5 states have internal predecessors, (3686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:52,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:52,075 INFO L93 Difference]: Finished difference Result 13942 states and 20876 transitions. [2024-12-02 08:36:52,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:36:52,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 737.2) internal successors, (3686), 5 states have internal predecessors, (3686), 0 states have call successors, (0), 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 3686 [2024-12-02 08:36:52,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:52,081 INFO L225 Difference]: With dead ends: 13942 [2024-12-02 08:36:52,081 INFO L226 Difference]: Without dead ends: 7492 [2024-12-02 08:36:52,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:36:52,085 INFO L435 NwaCegarLoop]: 9458 mSDtfsCounter, 19766 mSDsluCounter, 9452 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19766 SdHoareTripleChecker+Valid, 18910 SdHoareTripleChecker+Invalid, 1003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:52,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19766 Valid, 18910 Invalid, 1003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 08:36:52,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7492 states. [2024-12-02 08:36:52,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7492 to 7492. [2024-12-02 08:36:52,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7492 states, 7491 states have (on average 1.4973968762515018) internal successors, (11217), 7491 states have internal predecessors, (11217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:52,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7492 states to 7492 states and 11217 transitions. [2024-12-02 08:36:52,325 INFO L78 Accepts]: Start accepts. Automaton has 7492 states and 11217 transitions. Word has length 3686 [2024-12-02 08:36:52,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:52,326 INFO L471 AbstractCegarLoop]: Abstraction has 7492 states and 11217 transitions. [2024-12-02 08:36:52,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 737.2) internal successors, (3686), 5 states have internal predecessors, (3686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:52,326 INFO L276 IsEmpty]: Start isEmpty. Operand 7492 states and 11217 transitions. [2024-12-02 08:36:52,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3688 [2024-12-02 08:36:52,379 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:52,379 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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08:36:52,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 08:36:52,380 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:36:52,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:52,381 INFO L85 PathProgramCache]: Analyzing trace with hash -216200844, now seen corresponding path program 1 times [2024-12-02 08:36:52,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:52,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639974403] [2024-12-02 08:36:52,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:52,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:37:01,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:01,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639974403] [2024-12-02 08:37:01,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639974403] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:01,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:01,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:37:01,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145276296] [2024-12-02 08:37:01,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:01,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:37:01,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:01,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:37:01,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:37:01,499 INFO L87 Difference]: Start difference. First operand 7492 states and 11217 transitions. Second operand has 5 states, 5 states have (on average 737.4) internal successors, (3687), 5 states have internal predecessors, (3687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:01,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:01,954 INFO L93 Difference]: Finished difference Result 13942 states and 20872 transitions. [2024-12-02 08:37:01,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:37:01,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 737.4) internal successors, (3687), 5 states have internal predecessors, (3687), 0 states have call successors, (0), 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 3687 [2024-12-02 08:37:01,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:01,960 INFO L225 Difference]: With dead ends: 13942 [2024-12-02 08:37:01,960 INFO L226 Difference]: Without dead ends: 7492 [2024-12-02 08:37:01,963 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:37:01,964 INFO L435 NwaCegarLoop]: 9634 mSDtfsCounter, 9839 mSDsluCounter, 9632 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9839 SdHoareTripleChecker+Valid, 19266 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:37:01,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9839 Valid, 19266 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:37:01,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7492 states. [2024-12-02 08:37:02,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7492 to 7492. [2024-12-02 08:37:02,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7492 states, 7491 states have (on average 1.4972633827259378) internal successors, (11216), 7491 states have internal predecessors, (11216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:02,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7492 states to 7492 states and 11216 transitions. [2024-12-02 08:37:02,021 INFO L78 Accepts]: Start accepts. Automaton has 7492 states and 11216 transitions. Word has length 3687 [2024-12-02 08:37:02,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:02,022 INFO L471 AbstractCegarLoop]: Abstraction has 7492 states and 11216 transitions. [2024-12-02 08:37:02,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 737.4) internal successors, (3687), 5 states have internal predecessors, (3687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:02,022 INFO L276 IsEmpty]: Start isEmpty. Operand 7492 states and 11216 transitions. [2024-12-02 08:37:02,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3689 [2024-12-02 08:37:02,075 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:02,076 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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08:37:02,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 08:37:02,076 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:37:02,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:02,078 INFO L85 PathProgramCache]: Analyzing trace with hash 2035311615, now seen corresponding path program 1 times [2024-12-02 08:37:02,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:02,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335556451] [2024-12-02 08:37:02,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:02,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:10,238 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:37:10,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:10,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335556451] [2024-12-02 08:37:10,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335556451] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:10,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:10,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:37:10,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147955619] [2024-12-02 08:37:10,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:10,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:37:10,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:10,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:37:10,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:37:10,245 INFO L87 Difference]: Start difference. First operand 7492 states and 11216 transitions. Second operand has 4 states, 4 states have (on average 922.0) internal successors, (3688), 4 states have internal predecessors, (3688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:11,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:11,114 INFO L93 Difference]: Finished difference Result 13942 states and 20870 transitions. [2024-12-02 08:37:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:37:11,115 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 922.0) internal successors, (3688), 4 states have internal predecessors, (3688), 0 states have call successors, (0), 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 3688 [2024-12-02 08:37:11,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:11,120 INFO L225 Difference]: With dead ends: 13942 [2024-12-02 08:37:11,120 INFO L226 Difference]: Without dead ends: 7492 [2024-12-02 08:37:11,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:37:11,124 INFO L435 NwaCegarLoop]: 9457 mSDtfsCounter, 9286 mSDsluCounter, 9451 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9286 SdHoareTripleChecker+Valid, 18908 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 08:37:11,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9286 Valid, 18908 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 08:37:11,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7492 states. [2024-12-02 08:37:11,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7492 to 7492. [2024-12-02 08:37:11,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7492 states, 7491 states have (on average 1.4969963956748098) internal successors, (11214), 7491 states have internal predecessors, (11214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:11,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7492 states to 7492 states and 11214 transitions. [2024-12-02 08:37:11,191 INFO L78 Accepts]: Start accepts. Automaton has 7492 states and 11214 transitions. Word has length 3688 [2024-12-02 08:37:11,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:11,192 INFO L471 AbstractCegarLoop]: Abstraction has 7492 states and 11214 transitions. [2024-12-02 08:37:11,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 922.0) internal successors, (3688), 4 states have internal predecessors, (3688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:11,192 INFO L276 IsEmpty]: Start isEmpty. Operand 7492 states and 11214 transitions. [2024-12-02 08:37:11,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3690 [2024-12-02 08:37:11,246 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:11,247 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 08:37:11,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 08:37:11,247 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:37:11,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:11,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1139177140, now seen corresponding path program 1 times [2024-12-02 08:37:11,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:11,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284330397] [2024-12-02 08:37:11,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:11,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:37:18,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:18,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284330397] [2024-12-02 08:37:18,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284330397] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:18,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:18,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:37:18,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369214731] [2024-12-02 08:37:18,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:18,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:37:18,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:18,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:37:18,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:37:18,826 INFO L87 Difference]: Start difference. First operand 7492 states and 11214 transitions. Second operand has 5 states, 5 states have (on average 737.8) internal successors, (3689), 5 states have internal predecessors, (3689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:18,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:18,973 INFO L93 Difference]: Finished difference Result 13943 states and 20868 transitions. [2024-12-02 08:37:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:37:18,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 737.8) internal successors, (3689), 5 states have internal predecessors, (3689), 0 states have call successors, (0), 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 3689 [2024-12-02 08:37:18,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:18,979 INFO L225 Difference]: With dead ends: 13943 [2024-12-02 08:37:18,979 INFO L226 Difference]: Without dead ends: 7493 [2024-12-02 08:37:18,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:37:18,984 INFO L435 NwaCegarLoop]: 9934 mSDtfsCounter, 9294 mSDsluCounter, 19863 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9294 SdHoareTripleChecker+Valid, 29797 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:37:18,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9294 Valid, 29797 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:37:18,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7493 states. [2024-12-02 08:37:19,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7493 to 7493. [2024-12-02 08:37:19,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7493 states, 7492 states have (on average 1.4969300587293113) internal successors, (11215), 7492 states have internal predecessors, (11215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:19,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7493 states to 7493 states and 11215 transitions. [2024-12-02 08:37:19,044 INFO L78 Accepts]: Start accepts. Automaton has 7493 states and 11215 transitions. Word has length 3689 [2024-12-02 08:37:19,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:19,044 INFO L471 AbstractCegarLoop]: Abstraction has 7493 states and 11215 transitions. [2024-12-02 08:37:19,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 737.8) internal successors, (3689), 5 states have internal predecessors, (3689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:19,045 INFO L276 IsEmpty]: Start isEmpty. Operand 7493 states and 11215 transitions. [2024-12-02 08:37:19,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3690 [2024-12-02 08:37:19,098 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:19,099 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 08:37:19,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 08:37:19,099 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:37:19,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:19,100 INFO L85 PathProgramCache]: Analyzing trace with hash -410571508, now seen corresponding path program 1 times [2024-12-02 08:37:19,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:19,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712662041] [2024-12-02 08:37:19,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:19,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:29,228 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:37:29,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:29,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712662041] [2024-12-02 08:37:29,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712662041] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:29,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:29,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:37:29,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846199441] [2024-12-02 08:37:29,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:29,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:37:29,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:29,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:37:29,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:37:29,234 INFO L87 Difference]: Start difference. First operand 7493 states and 11215 transitions. Second operand has 5 states, 5 states have (on average 737.8) internal successors, (3689), 5 states have internal predecessors, (3689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:29,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:29,796 INFO L93 Difference]: Finished difference Result 13944 states and 20868 transitions. [2024-12-02 08:37:29,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:37:29,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 737.8) internal successors, (3689), 5 states have internal predecessors, (3689), 0 states have call successors, (0), 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 3689 [2024-12-02 08:37:29,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:29,803 INFO L225 Difference]: With dead ends: 13944 [2024-12-02 08:37:29,804 INFO L226 Difference]: Without dead ends: 7493 [2024-12-02 08:37:29,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:37:29,809 INFO L435 NwaCegarLoop]: 9630 mSDtfsCounter, 19047 mSDsluCounter, 9627 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19047 SdHoareTripleChecker+Valid, 19257 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:37:29,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19047 Valid, 19257 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 08:37:29,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7493 states. [2024-12-02 08:37:29,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7493 to 7493. [2024-12-02 08:37:29,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7493 states, 7492 states have (on average 1.4967965830218901) internal successors, (11214), 7492 states have internal predecessors, (11214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:29,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7493 states to 7493 states and 11214 transitions. [2024-12-02 08:37:29,871 INFO L78 Accepts]: Start accepts. Automaton has 7493 states and 11214 transitions. Word has length 3689 [2024-12-02 08:37:29,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:29,872 INFO L471 AbstractCegarLoop]: Abstraction has 7493 states and 11214 transitions. [2024-12-02 08:37:29,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 737.8) internal successors, (3689), 5 states have internal predecessors, (3689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:29,872 INFO L276 IsEmpty]: Start isEmpty. Operand 7493 states and 11214 transitions. [2024-12-02 08:37:30,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3691 [2024-12-02 08:37:30,099 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:30,099 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 08:37:30,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 08:37:30,100 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:37:30,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:30,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1395249037, now seen corresponding path program 1 times [2024-12-02 08:37:30,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:30,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645803386] [2024-12-02 08:37:30,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:30,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:37:38,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:38,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645803386] [2024-12-02 08:37:38,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645803386] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:38,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:38,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:37:38,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081291288] [2024-12-02 08:37:38,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:38,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:37:38,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:38,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:37:38,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:37:38,031 INFO L87 Difference]: Start difference. First operand 7493 states and 11214 transitions. Second operand has 4 states, 4 states have (on average 922.5) internal successors, (3690), 4 states have internal predecessors, (3690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:38,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:38,805 INFO L93 Difference]: Finished difference Result 13944 states and 20866 transitions. [2024-12-02 08:37:38,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:37:38,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 922.5) internal successors, (3690), 4 states have internal predecessors, (3690), 0 states have call successors, (0), 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 3690 [2024-12-02 08:37:38,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:38,812 INFO L225 Difference]: With dead ends: 13944 [2024-12-02 08:37:38,812 INFO L226 Difference]: Without dead ends: 7493 [2024-12-02 08:37:38,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:37:38,816 INFO L435 NwaCegarLoop]: 9456 mSDtfsCounter, 9247 mSDsluCounter, 9450 mSDsCounter, 0 mSdLazyCounter, 989 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9247 SdHoareTripleChecker+Valid, 18906 SdHoareTripleChecker+Invalid, 990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:37:38,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9247 Valid, 18906 Invalid, 990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 989 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 08:37:38,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7493 states. [2024-12-02 08:37:38,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7493 to 7493. [2024-12-02 08:37:38,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7493 states, 7492 states have (on average 1.4965296316070476) internal successors, (11212), 7492 states have internal predecessors, (11212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:38,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7493 states to 7493 states and 11212 transitions. [2024-12-02 08:37:38,880 INFO L78 Accepts]: Start accepts. Automaton has 7493 states and 11212 transitions. Word has length 3690 [2024-12-02 08:37:38,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:38,881 INFO L471 AbstractCegarLoop]: Abstraction has 7493 states and 11212 transitions. [2024-12-02 08:37:38,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 922.5) internal successors, (3690), 4 states have internal predecessors, (3690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:38,881 INFO L276 IsEmpty]: Start isEmpty. Operand 7493 states and 11212 transitions. [2024-12-02 08:37:38,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3692 [2024-12-02 08:37:38,934 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:38,935 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 08:37:38,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 08:37:38,935 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:37:38,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:38,936 INFO L85 PathProgramCache]: Analyzing trace with hash 670164580, now seen corresponding path program 1 times [2024-12-02 08:37:38,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:38,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360422054] [2024-12-02 08:37:38,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:38,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:47,157 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:37:47,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:47,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360422054] [2024-12-02 08:37:47,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360422054] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:47,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:47,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:37:47,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823443903] [2024-12-02 08:37:47,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:47,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:37:47,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:47,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:37:47,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:37:47,160 INFO L87 Difference]: Start difference. First operand 7493 states and 11212 transitions. Second operand has 5 states, 5 states have (on average 738.2) internal successors, (3691), 5 states have internal predecessors, (3691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:47,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:47,314 INFO L93 Difference]: Finished difference Result 13945 states and 20864 transitions. [2024-12-02 08:37:47,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:37:47,315 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 738.2) internal successors, (3691), 5 states have internal predecessors, (3691), 0 states have call successors, (0), 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 3691 [2024-12-02 08:37:47,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:47,319 INFO L225 Difference]: With dead ends: 13945 [2024-12-02 08:37:47,319 INFO L226 Difference]: Without dead ends: 7494 [2024-12-02 08:37:47,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:37:47,323 INFO L435 NwaCegarLoop]: 9929 mSDtfsCounter, 9255 mSDsluCounter, 19853 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9255 SdHoareTripleChecker+Valid, 29782 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:37:47,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9255 Valid, 29782 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:37:47,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7494 states. [2024-12-02 08:37:47,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7494 to 7494. [2024-12-02 08:37:47,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7494 states, 7493 states have (on average 1.4964633658080875) internal successors, (11213), 7493 states have internal predecessors, (11213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:47,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7494 states to 7494 states and 11213 transitions. [2024-12-02 08:37:47,386 INFO L78 Accepts]: Start accepts. Automaton has 7494 states and 11213 transitions. Word has length 3691 [2024-12-02 08:37:47,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:47,386 INFO L471 AbstractCegarLoop]: Abstraction has 7494 states and 11213 transitions. [2024-12-02 08:37:47,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 738.2) internal successors, (3691), 5 states have internal predecessors, (3691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:47,387 INFO L276 IsEmpty]: Start isEmpty. Operand 7494 states and 11213 transitions. [2024-12-02 08:37:47,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3692 [2024-12-02 08:37:47,504 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:47,505 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 08:37:47,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 08:37:47,505 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:37:47,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:47,507 INFO L85 PathProgramCache]: Analyzing trace with hash 187988516, now seen corresponding path program 1 times [2024-12-02 08:37:47,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:47,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587136558] [2024-12-02 08:37:47,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:47,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:37:55,804 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:37:55,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:37:55,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587136558] [2024-12-02 08:37:55,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587136558] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:37:55,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:37:55,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:37:55,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341370145] [2024-12-02 08:37:55,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:37:55,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:37:55,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:37:55,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:37:55,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:37:55,808 INFO L87 Difference]: Start difference. First operand 7494 states and 11213 transitions. Second operand has 5 states, 5 states have (on average 738.2) internal successors, (3691), 5 states have internal predecessors, (3691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:56,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:37:56,317 INFO L93 Difference]: Finished difference Result 13946 states and 20864 transitions. [2024-12-02 08:37:56,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:37:56,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 738.2) internal successors, (3691), 5 states have internal predecessors, (3691), 0 states have call successors, (0), 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 3691 [2024-12-02 08:37:56,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:37:56,323 INFO L225 Difference]: With dead ends: 13946 [2024-12-02 08:37:56,323 INFO L226 Difference]: Without dead ends: 7494 [2024-12-02 08:37:56,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:37:56,327 INFO L435 NwaCegarLoop]: 9630 mSDtfsCounter, 19013 mSDsluCounter, 9627 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19013 SdHoareTripleChecker+Valid, 19257 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:37:56,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19013 Valid, 19257 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:37:56,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7494 states. [2024-12-02 08:37:56,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7494 to 7494. [2024-12-02 08:37:56,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7494 states, 7493 states have (on average 1.496329907914053) internal successors, (11212), 7493 states have internal predecessors, (11212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:56,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7494 states to 7494 states and 11212 transitions. [2024-12-02 08:37:56,383 INFO L78 Accepts]: Start accepts. Automaton has 7494 states and 11212 transitions. Word has length 3691 [2024-12-02 08:37:56,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:37:56,383 INFO L471 AbstractCegarLoop]: Abstraction has 7494 states and 11212 transitions. [2024-12-02 08:37:56,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 738.2) internal successors, (3691), 5 states have internal predecessors, (3691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:37:56,384 INFO L276 IsEmpty]: Start isEmpty. Operand 7494 states and 11212 transitions. [2024-12-02 08:37:56,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3693 [2024-12-02 08:37:56,436 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:37:56,437 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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[2024-12-02 08:37:56,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 08:37:56,437 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:37:56,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:37:56,438 INFO L85 PathProgramCache]: Analyzing trace with hash -911894604, now seen corresponding path program 1 times [2024-12-02 08:37:56,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:37:56,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514927346] [2024-12-02 08:37:56,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:37:56,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:37:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:38:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:38:05,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:38:05,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514927346] [2024-12-02 08:38:05,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514927346] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:38:05,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:38:05,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:38:05,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064527043] [2024-12-02 08:38:05,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:38:05,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:38:05,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:38:05,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:38:05,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:38:05,024 INFO L87 Difference]: Start difference. First operand 7494 states and 11212 transitions. Second operand has 4 states, 4 states have (on average 923.0) internal successors, (3692), 4 states have internal predecessors, (3692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:05,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:38:05,849 INFO L93 Difference]: Finished difference Result 13946 states and 20862 transitions. [2024-12-02 08:38:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:38:05,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 923.0) internal successors, (3692), 4 states have internal predecessors, (3692), 0 states have call successors, (0), 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 3692 [2024-12-02 08:38:05,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:38:05,857 INFO L225 Difference]: With dead ends: 13946 [2024-12-02 08:38:05,857 INFO L226 Difference]: Without dead ends: 7494 [2024-12-02 08:38:05,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:38:05,862 INFO L435 NwaCegarLoop]: 9455 mSDtfsCounter, 9224 mSDsluCounter, 9450 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9224 SdHoareTripleChecker+Valid, 18905 SdHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:38:05,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9224 Valid, 18905 Invalid, 986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 985 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 08:38:05,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7494 states. [2024-12-02 08:38:05,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7494 to 7494. [2024-12-02 08:38:05,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7494 states, 7493 states have (on average 1.4960629921259843) internal successors, (11210), 7493 states have internal predecessors, (11210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:05,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7494 states to 7494 states and 11210 transitions. [2024-12-02 08:38:05,995 INFO L78 Accepts]: Start accepts. Automaton has 7494 states and 11210 transitions. Word has length 3692 [2024-12-02 08:38:05,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:38:05,996 INFO L471 AbstractCegarLoop]: Abstraction has 7494 states and 11210 transitions. [2024-12-02 08:38:05,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 923.0) internal successors, (3692), 4 states have internal predecessors, (3692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:05,996 INFO L276 IsEmpty]: Start isEmpty. Operand 7494 states and 11210 transitions. [2024-12-02 08:38:06,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3694 [2024-12-02 08:38:06,049 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:38:06,049 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1] [2024-12-02 08:38:06,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 08:38:06,050 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:38:06,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:38:06,051 INFO L85 PathProgramCache]: Analyzing trace with hash -413700964, now seen corresponding path program 1 times [2024-12-02 08:38:06,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:38:06,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28004903] [2024-12-02 08:38:06,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:38:06,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:38:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:38:14,382 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:38:14,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:38:14,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28004903] [2024-12-02 08:38:14,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28004903] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:38:14,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:38:14,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:38:14,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895643246] [2024-12-02 08:38:14,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:38:14,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:38:14,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:38:14,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:38:14,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:38:14,386 INFO L87 Difference]: Start difference. First operand 7494 states and 11210 transitions. Second operand has 5 states, 5 states have (on average 738.6) internal successors, (3693), 5 states have internal predecessors, (3693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:14,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:38:14,524 INFO L93 Difference]: Finished difference Result 13947 states and 20860 transitions. [2024-12-02 08:38:14,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:38:14,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 738.6) internal successors, (3693), 5 states have internal predecessors, (3693), 0 states have call successors, (0), 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 3693 [2024-12-02 08:38:14,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:38:14,530 INFO L225 Difference]: With dead ends: 13947 [2024-12-02 08:38:14,530 INFO L226 Difference]: Without dead ends: 7495 [2024-12-02 08:38:14,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:38:14,534 INFO L435 NwaCegarLoop]: 9928 mSDtfsCounter, 9238 mSDsluCounter, 19851 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9238 SdHoareTripleChecker+Valid, 29779 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:38:14,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9238 Valid, 29779 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:38:14,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7495 states. [2024-12-02 08:38:14,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7495 to 7495. [2024-12-02 08:38:14,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7495 states, 7494 states have (on average 1.4959967974379504) internal successors, (11211), 7494 states have internal predecessors, (11211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:14,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7495 states to 7495 states and 11211 transitions. [2024-12-02 08:38:14,597 INFO L78 Accepts]: Start accepts. Automaton has 7495 states and 11211 transitions. Word has length 3693 [2024-12-02 08:38:14,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:38:14,598 INFO L471 AbstractCegarLoop]: Abstraction has 7495 states and 11211 transitions. [2024-12-02 08:38:14,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 738.6) internal successors, (3693), 5 states have internal predecessors, (3693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:14,599 INFO L276 IsEmpty]: Start isEmpty. Operand 7495 states and 11211 transitions. [2024-12-02 08:38:14,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3694 [2024-12-02 08:38:14,655 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:38:14,656 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1] [2024-12-02 08:38:14,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 08:38:14,656 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:38:14,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:38:14,657 INFO L85 PathProgramCache]: Analyzing trace with hash -922116004, now seen corresponding path program 1 times [2024-12-02 08:38:14,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:38:14,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123041284] [2024-12-02 08:38:14,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:38:14,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:38:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:38:22,974 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:38:22,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:38:22,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123041284] [2024-12-02 08:38:22,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123041284] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:38:22,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:38:22,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:38:22,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724113609] [2024-12-02 08:38:22,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:38:22,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:38:22,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:38:22,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:38:22,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:38:22,978 INFO L87 Difference]: Start difference. First operand 7495 states and 11211 transitions. Second operand has 5 states, 5 states have (on average 738.6) internal successors, (3693), 5 states have internal predecessors, (3693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:23,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:38:23,508 INFO L93 Difference]: Finished difference Result 13948 states and 20860 transitions. [2024-12-02 08:38:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:38:23,509 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 738.6) internal successors, (3693), 5 states have internal predecessors, (3693), 0 states have call successors, (0), 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 3693 [2024-12-02 08:38:23,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:38:23,513 INFO L225 Difference]: With dead ends: 13948 [2024-12-02 08:38:23,513 INFO L226 Difference]: Without dead ends: 7495 [2024-12-02 08:38:23,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:38:23,517 INFO L435 NwaCegarLoop]: 9626 mSDtfsCounter, 9768 mSDsluCounter, 9624 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9768 SdHoareTripleChecker+Valid, 19250 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:38:23,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9768 Valid, 19250 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:38:23,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7495 states. [2024-12-02 08:38:23,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7495 to 7495. [2024-12-02 08:38:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7495 states, 7494 states have (on average 1.4958633573525486) internal successors, (11210), 7494 states have internal predecessors, (11210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:23,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7495 states to 7495 states and 11210 transitions. [2024-12-02 08:38:23,579 INFO L78 Accepts]: Start accepts. Automaton has 7495 states and 11210 transitions. Word has length 3693 [2024-12-02 08:38:23,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:38:23,580 INFO L471 AbstractCegarLoop]: Abstraction has 7495 states and 11210 transitions. [2024-12-02 08:38:23,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 738.6) internal successors, (3693), 5 states have internal predecessors, (3693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:23,580 INFO L276 IsEmpty]: Start isEmpty. Operand 7495 states and 11210 transitions. [2024-12-02 08:38:23,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3695 [2024-12-02 08:38:23,642 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:38:23,643 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1] [2024-12-02 08:38:23,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 08:38:23,643 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:38:23,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:38:23,644 INFO L85 PathProgramCache]: Analyzing trace with hash 404482652, now seen corresponding path program 1 times [2024-12-02 08:38:23,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:38:23,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842366269] [2024-12-02 08:38:23,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:38:23,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:38:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:38:32,977 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:38:32,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:38:32,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842366269] [2024-12-02 08:38:32,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842366269] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:38:32,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:38:32,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:38:32,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385275957] [2024-12-02 08:38:32,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:38:32,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:38:32,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:38:32,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:38:32,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:38:32,981 INFO L87 Difference]: Start difference. First operand 7495 states and 11210 transitions. Second operand has 4 states, 4 states have (on average 923.5) internal successors, (3694), 4 states have internal predecessors, (3694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:33,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:38:33,741 INFO L93 Difference]: Finished difference Result 13948 states and 20858 transitions. [2024-12-02 08:38:33,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:38:33,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 923.5) internal successors, (3694), 4 states have internal predecessors, (3694), 0 states have call successors, (0), 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 3694 [2024-12-02 08:38:33,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:38:33,748 INFO L225 Difference]: With dead ends: 13948 [2024-12-02 08:38:33,748 INFO L226 Difference]: Without dead ends: 7495 [2024-12-02 08:38:33,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:38:33,751 INFO L435 NwaCegarLoop]: 9454 mSDtfsCounter, 9215 mSDsluCounter, 9448 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9215 SdHoareTripleChecker+Valid, 18902 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:38:33,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9215 Valid, 18902 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 08:38:33,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7495 states. [2024-12-02 08:38:33,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7495 to 7495. [2024-12-02 08:38:33,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7495 states, 7494 states have (on average 1.4955964771817454) internal successors, (11208), 7494 states have internal predecessors, (11208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:33,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7495 states to 7495 states and 11208 transitions. [2024-12-02 08:38:33,816 INFO L78 Accepts]: Start accepts. Automaton has 7495 states and 11208 transitions. Word has length 3694 [2024-12-02 08:38:33,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:38:33,816 INFO L471 AbstractCegarLoop]: Abstraction has 7495 states and 11208 transitions. [2024-12-02 08:38:33,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 923.5) internal successors, (3694), 4 states have internal predecessors, (3694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:33,817 INFO L276 IsEmpty]: Start isEmpty. Operand 7495 states and 11208 transitions. [2024-12-02 08:38:33,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3696 [2024-12-02 08:38:33,930 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:38:33,931 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1] [2024-12-02 08:38:33,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 08:38:33,931 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:38:33,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:38:33,932 INFO L85 PathProgramCache]: Analyzing trace with hash 433706708, now seen corresponding path program 1 times [2024-12-02 08:38:33,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:38:33,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121920611] [2024-12-02 08:38:33,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:38:33,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:38:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:38:42,597 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:38:42,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:38:42,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121920611] [2024-12-02 08:38:42,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121920611] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:38:42,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:38:42,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:38:42,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498291683] [2024-12-02 08:38:42,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:38:42,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:38:42,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:38:42,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:38:42,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:38:42,604 INFO L87 Difference]: Start difference. First operand 7495 states and 11208 transitions. Second operand has 5 states, 5 states have (on average 739.0) internal successors, (3695), 5 states have internal predecessors, (3695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:43,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:38:43,116 INFO L93 Difference]: Finished difference Result 13949 states and 20856 transitions. [2024-12-02 08:38:43,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:38:43,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 739.0) internal successors, (3695), 5 states have internal predecessors, (3695), 0 states have call successors, (0), 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 3695 [2024-12-02 08:38:43,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:38:43,125 INFO L225 Difference]: With dead ends: 13949 [2024-12-02 08:38:43,125 INFO L226 Difference]: Without dead ends: 7496 [2024-12-02 08:38:43,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:38:43,130 INFO L435 NwaCegarLoop]: 9923 mSDtfsCounter, 9223 mSDsluCounter, 19841 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9223 SdHoareTripleChecker+Valid, 29764 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:38:43,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9223 Valid, 29764 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:38:43,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7496 states. [2024-12-02 08:38:43,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7496 to 7496. [2024-12-02 08:38:43,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7496 states, 7495 states have (on average 1.495530353569046) internal successors, (11209), 7495 states have internal predecessors, (11209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:43,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7496 states to 7496 states and 11209 transitions. [2024-12-02 08:38:43,200 INFO L78 Accepts]: Start accepts. Automaton has 7496 states and 11209 transitions. Word has length 3695 [2024-12-02 08:38:43,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:38:43,201 INFO L471 AbstractCegarLoop]: Abstraction has 7496 states and 11209 transitions. [2024-12-02 08:38:43,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 739.0) internal successors, (3695), 5 states have internal predecessors, (3695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:43,202 INFO L276 IsEmpty]: Start isEmpty. Operand 7496 states and 11209 transitions. [2024-12-02 08:38:43,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3696 [2024-12-02 08:38:43,259 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:38:43,260 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1] [2024-12-02 08:38:43,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 08:38:43,261 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:38:43,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:38:43,262 INFO L85 PathProgramCache]: Analyzing trace with hash 256227988, now seen corresponding path program 1 times [2024-12-02 08:38:43,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:38:43,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19277465] [2024-12-02 08:38:43,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:38:43,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:38:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:38:52,156 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:38:52,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:38:52,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19277465] [2024-12-02 08:38:52,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19277465] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:38:52,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:38:52,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:38:52,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29294302] [2024-12-02 08:38:52,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:38:52,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:38:52,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:38:52,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:38:52,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:38:52,163 INFO L87 Difference]: Start difference. First operand 7496 states and 11209 transitions. Second operand has 5 states, 5 states have (on average 739.0) internal successors, (3695), 5 states have internal predecessors, (3695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:52,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:38:52,737 INFO L93 Difference]: Finished difference Result 13950 states and 20856 transitions. [2024-12-02 08:38:52,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:38:52,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 739.0) internal successors, (3695), 5 states have internal predecessors, (3695), 0 states have call successors, (0), 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 3695 [2024-12-02 08:38:52,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:38:52,744 INFO L225 Difference]: With dead ends: 13950 [2024-12-02 08:38:52,744 INFO L226 Difference]: Without dead ends: 7496 [2024-12-02 08:38:52,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:38:52,748 INFO L435 NwaCegarLoop]: 9626 mSDtfsCounter, 9715 mSDsluCounter, 9624 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9715 SdHoareTripleChecker+Valid, 19250 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:38:52,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9715 Valid, 19250 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 08:38:52,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7496 states. [2024-12-02 08:38:52,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7496 to 7496. [2024-12-02 08:38:52,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7496 states, 7495 states have (on average 1.495396931287525) internal successors, (11208), 7495 states have internal predecessors, (11208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:52,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7496 states to 7496 states and 11208 transitions. [2024-12-02 08:38:52,811 INFO L78 Accepts]: Start accepts. Automaton has 7496 states and 11208 transitions. Word has length 3695 [2024-12-02 08:38:52,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:38:52,812 INFO L471 AbstractCegarLoop]: Abstraction has 7496 states and 11208 transitions. [2024-12-02 08:38:52,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 739.0) internal successors, (3695), 5 states have internal predecessors, (3695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:38:52,813 INFO L276 IsEmpty]: Start isEmpty. Operand 7496 states and 11208 transitions. [2024-12-02 08:38:52,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3697 [2024-12-02 08:38:52,869 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:38:52,870 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1] [2024-12-02 08:38:52,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 08:38:52,870 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:38:52,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:38:52,871 INFO L85 PathProgramCache]: Analyzing trace with hash 822351556, now seen corresponding path program 1 times [2024-12-02 08:38:52,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:38:52,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281528308] [2024-12-02 08:38:52,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:38:52,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:38:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:39:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:39:00,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:39:00,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281528308] [2024-12-02 08:39:00,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281528308] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:39:00,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:39:00,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:39:00,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626054141] [2024-12-02 08:39:00,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:39:00,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:39:00,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:39:00,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:39:00,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:39:00,928 INFO L87 Difference]: Start difference. First operand 7496 states and 11208 transitions. Second operand has 4 states, 4 states have (on average 924.0) internal successors, (3696), 4 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:01,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:39:01,721 INFO L93 Difference]: Finished difference Result 13950 states and 20854 transitions. [2024-12-02 08:39:01,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:39:01,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 924.0) internal successors, (3696), 4 states have internal predecessors, (3696), 0 states have call successors, (0), 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 3696 [2024-12-02 08:39:01,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:39:01,726 INFO L225 Difference]: With dead ends: 13950 [2024-12-02 08:39:01,726 INFO L226 Difference]: Without dead ends: 7496 [2024-12-02 08:39:01,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:39:01,728 INFO L435 NwaCegarLoop]: 9453 mSDtfsCounter, 9156 mSDsluCounter, 9448 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9156 SdHoareTripleChecker+Valid, 18901 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:39:01,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9156 Valid, 18901 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 977 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 08:39:01,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7496 states. [2024-12-02 08:39:01,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7496 to 7496. [2024-12-02 08:39:01,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7496 states, 7495 states have (on average 1.495130086724483) internal successors, (11206), 7495 states have internal predecessors, (11206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:01,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7496 states to 7496 states and 11206 transitions. [2024-12-02 08:39:01,783 INFO L78 Accepts]: Start accepts. Automaton has 7496 states and 11206 transitions. Word has length 3696 [2024-12-02 08:39:01,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:39:01,784 INFO L471 AbstractCegarLoop]: Abstraction has 7496 states and 11206 transitions. [2024-12-02 08:39:01,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 924.0) internal successors, (3696), 4 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:01,784 INFO L276 IsEmpty]: Start isEmpty. Operand 7496 states and 11206 transitions. [2024-12-02 08:39:01,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3698 [2024-12-02 08:39:01,836 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:39:01,837 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1] [2024-12-02 08:39:01,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 08:39:01,837 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:39:01,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:39:01,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1141111028, now seen corresponding path program 1 times [2024-12-02 08:39:01,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:39:01,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106900735] [2024-12-02 08:39:01,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:39:01,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:39:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:39:11,113 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:39:11,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:39:11,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106900735] [2024-12-02 08:39:11,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106900735] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:39:11,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:39:11,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:39:11,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828150999] [2024-12-02 08:39:11,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:39:11,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:39:11,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:39:11,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:39:11,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:39:11,117 INFO L87 Difference]: Start difference. First operand 7496 states and 11206 transitions. Second operand has 5 states, 5 states have (on average 739.4) internal successors, (3697), 5 states have internal predecessors, (3697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:11,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:39:11,263 INFO L93 Difference]: Finished difference Result 13951 states and 20852 transitions. [2024-12-02 08:39:11,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:39:11,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 739.4) internal successors, (3697), 5 states have internal predecessors, (3697), 0 states have call successors, (0), 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 3697 [2024-12-02 08:39:11,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:39:11,269 INFO L225 Difference]: With dead ends: 13951 [2024-12-02 08:39:11,269 INFO L226 Difference]: Without dead ends: 7497 [2024-12-02 08:39:11,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:39:11,272 INFO L435 NwaCegarLoop]: 9922 mSDtfsCounter, 9170 mSDsluCounter, 19839 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9170 SdHoareTripleChecker+Valid, 29761 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:39:11,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9170 Valid, 29761 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:39:11,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7497 states. [2024-12-02 08:39:11,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7497 to 7497. [2024-12-02 08:39:11,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7497 states, 7496 states have (on average 1.4950640341515475) internal successors, (11207), 7496 states have internal predecessors, (11207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:11,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7497 states to 7497 states and 11207 transitions. [2024-12-02 08:39:11,327 INFO L78 Accepts]: Start accepts. Automaton has 7497 states and 11207 transitions. Word has length 3697 [2024-12-02 08:39:11,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:39:11,327 INFO L471 AbstractCegarLoop]: Abstraction has 7497 states and 11207 transitions. [2024-12-02 08:39:11,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 739.4) internal successors, (3697), 5 states have internal predecessors, (3697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:11,328 INFO L276 IsEmpty]: Start isEmpty. Operand 7497 states and 11207 transitions. [2024-12-02 08:39:11,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3698 [2024-12-02 08:39:11,576 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:39:11,576 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1] [2024-12-02 08:39:11,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 08:39:11,577 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:39:11,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:39:11,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1884919092, now seen corresponding path program 1 times [2024-12-02 08:39:11,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:39:11,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501671974] [2024-12-02 08:39:11,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:39:11,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:39:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:39:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:39:20,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:39:20,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501671974] [2024-12-02 08:39:20,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501671974] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:39:20,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:39:20,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:39:20,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072493525] [2024-12-02 08:39:20,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:39:20,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:39:20,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:39:20,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:39:20,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:39:20,033 INFO L87 Difference]: Start difference. First operand 7497 states and 11207 transitions. Second operand has 5 states, 5 states have (on average 739.4) internal successors, (3697), 5 states have internal predecessors, (3697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:20,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:39:20,576 INFO L93 Difference]: Finished difference Result 13952 states and 20852 transitions. [2024-12-02 08:39:20,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:39:20,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 739.4) internal successors, (3697), 5 states have internal predecessors, (3697), 0 states have call successors, (0), 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 3697 [2024-12-02 08:39:20,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:39:20,582 INFO L225 Difference]: With dead ends: 13952 [2024-12-02 08:39:20,582 INFO L226 Difference]: Without dead ends: 7497 [2024-12-02 08:39:20,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:39:20,585 INFO L435 NwaCegarLoop]: 9622 mSDtfsCounter, 18799 mSDsluCounter, 9619 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18799 SdHoareTripleChecker+Valid, 19241 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:39:20,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18799 Valid, 19241 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:39:20,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7497 states. [2024-12-02 08:39:20,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7497 to 7497. [2024-12-02 08:39:20,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7497 states, 7496 states have (on average 1.494930629669157) internal successors, (11206), 7496 states have internal predecessors, (11206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:20,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7497 states to 7497 states and 11206 transitions. [2024-12-02 08:39:20,638 INFO L78 Accepts]: Start accepts. Automaton has 7497 states and 11206 transitions. Word has length 3697 [2024-12-02 08:39:20,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:39:20,639 INFO L471 AbstractCegarLoop]: Abstraction has 7497 states and 11206 transitions. [2024-12-02 08:39:20,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 739.4) internal successors, (3697), 5 states have internal predecessors, (3697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:20,639 INFO L276 IsEmpty]: Start isEmpty. Operand 7497 states and 11206 transitions. [2024-12-02 08:39:20,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3699 [2024-12-02 08:39:20,693 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:39:20,693 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1] [2024-12-02 08:39:20,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-12-02 08:39:20,693 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:39:20,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:39:20,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1205749400, now seen corresponding path program 1 times [2024-12-02 08:39:20,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:39:20,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437998822] [2024-12-02 08:39:20,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:39:20,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:39:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:39:29,609 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:39:29,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:39:29,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437998822] [2024-12-02 08:39:29,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437998822] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:39:29,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:39:29,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:39:29,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146762426] [2024-12-02 08:39:29,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:39:29,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:39:29,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:39:29,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:39:29,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:39:29,613 INFO L87 Difference]: Start difference. First operand 7497 states and 11206 transitions. Second operand has 4 states, 4 states have (on average 924.5) internal successors, (3698), 4 states have internal predecessors, (3698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:30,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:39:30,414 INFO L93 Difference]: Finished difference Result 13952 states and 20850 transitions. [2024-12-02 08:39:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:39:30,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 924.5) internal successors, (3698), 4 states have internal predecessors, (3698), 0 states have call successors, (0), 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 3698 [2024-12-02 08:39:30,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:39:30,420 INFO L225 Difference]: With dead ends: 13952 [2024-12-02 08:39:30,420 INFO L226 Difference]: Without dead ends: 7497 [2024-12-02 08:39:30,423 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:39:30,424 INFO L435 NwaCegarLoop]: 9452 mSDtfsCounter, 9123 mSDsluCounter, 9446 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9123 SdHoareTripleChecker+Valid, 18898 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:39:30,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9123 Valid, 18898 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 08:39:30,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7497 states. [2024-12-02 08:39:30,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7497 to 7497. [2024-12-02 08:39:30,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7497 states, 7496 states have (on average 1.4946638207043756) internal successors, (11204), 7496 states have internal predecessors, (11204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:30,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7497 states to 7497 states and 11204 transitions. [2024-12-02 08:39:30,483 INFO L78 Accepts]: Start accepts. Automaton has 7497 states and 11204 transitions. Word has length 3698 [2024-12-02 08:39:30,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:39:30,484 INFO L471 AbstractCegarLoop]: Abstraction has 7497 states and 11204 transitions. [2024-12-02 08:39:30,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 924.5) internal successors, (3698), 4 states have internal predecessors, (3698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:30,485 INFO L276 IsEmpty]: Start isEmpty. Operand 7497 states and 11204 transitions. [2024-12-02 08:39:30,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3700 [2024-12-02 08:39:30,542 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:39:30,543 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:39:30,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 08:39:30,543 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:39:30,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:39:30,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1117009724, now seen corresponding path program 1 times [2024-12-02 08:39:30,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:39:30,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556679593] [2024-12-02 08:39:30,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:39:30,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:39:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:39:38,134 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:39:38,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:39:38,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556679593] [2024-12-02 08:39:38,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556679593] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:39:38,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:39:38,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:39:38,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497917204] [2024-12-02 08:39:38,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:39:38,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:39:38,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:39:38,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:39:38,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:39:38,147 INFO L87 Difference]: Start difference. First operand 7497 states and 11204 transitions. Second operand has 5 states, 5 states have (on average 739.8) internal successors, (3699), 5 states have internal predecessors, (3699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:38,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:39:38,284 INFO L93 Difference]: Finished difference Result 13953 states and 20848 transitions. [2024-12-02 08:39:38,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:39:38,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 739.8) internal successors, (3699), 5 states have internal predecessors, (3699), 0 states have call successors, (0), 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 3699 [2024-12-02 08:39:38,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:39:38,290 INFO L225 Difference]: With dead ends: 13953 [2024-12-02 08:39:38,290 INFO L226 Difference]: Without dead ends: 7498 [2024-12-02 08:39:38,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:39:38,294 INFO L435 NwaCegarLoop]: 9917 mSDtfsCounter, 9131 mSDsluCounter, 19829 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9131 SdHoareTripleChecker+Valid, 29746 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:39:38,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9131 Valid, 29746 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:39:38,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7498 states. [2024-12-02 08:39:38,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7498 to 7498. [2024-12-02 08:39:38,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7498 states, 7497 states have (on average 1.4945978391356542) internal successors, (11205), 7497 states have internal predecessors, (11205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:38,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7498 states to 7498 states and 11205 transitions. [2024-12-02 08:39:38,347 INFO L78 Accepts]: Start accepts. Automaton has 7498 states and 11205 transitions. Word has length 3699 [2024-12-02 08:39:38,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:39:38,348 INFO L471 AbstractCegarLoop]: Abstraction has 7498 states and 11205 transitions. [2024-12-02 08:39:38,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 739.8) internal successors, (3699), 5 states have internal predecessors, (3699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:38,349 INFO L276 IsEmpty]: Start isEmpty. Operand 7498 states and 11205 transitions. [2024-12-02 08:39:38,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3700 [2024-12-02 08:39:38,401 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:39:38,401 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:39:38,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-02 08:39:38,401 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:39:38,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:39:38,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1810162556, now seen corresponding path program 1 times [2024-12-02 08:39:38,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:39:38,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235043787] [2024-12-02 08:39:38,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:39:38,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:39:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:39:46,469 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:39:46,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:39:46,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235043787] [2024-12-02 08:39:46,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235043787] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:39:46,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:39:46,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:39:46,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567639274] [2024-12-02 08:39:46,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:39:46,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:39:46,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:39:46,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:39:46,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:39:46,475 INFO L87 Difference]: Start difference. First operand 7498 states and 11205 transitions. Second operand has 5 states, 5 states have (on average 739.8) internal successors, (3699), 5 states have internal predecessors, (3699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:46,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:39:46,957 INFO L93 Difference]: Finished difference Result 13954 states and 20848 transitions. [2024-12-02 08:39:46,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:39:46,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 739.8) internal successors, (3699), 5 states have internal predecessors, (3699), 0 states have call successors, (0), 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 3699 [2024-12-02 08:39:46,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:39:46,963 INFO L225 Difference]: With dead ends: 13954 [2024-12-02 08:39:46,963 INFO L226 Difference]: Without dead ends: 7498 [2024-12-02 08:39:46,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:39:46,967 INFO L435 NwaCegarLoop]: 9622 mSDtfsCounter, 9659 mSDsluCounter, 9620 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9659 SdHoareTripleChecker+Valid, 19242 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:39:46,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9659 Valid, 19242 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:39:46,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7498 states. [2024-12-02 08:39:47,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7498 to 7498. [2024-12-02 08:39:47,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7498 states, 7497 states have (on average 1.4944644524476458) internal successors, (11204), 7497 states have internal predecessors, (11204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:47,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7498 states to 7498 states and 11204 transitions. [2024-12-02 08:39:47,020 INFO L78 Accepts]: Start accepts. Automaton has 7498 states and 11204 transitions. Word has length 3699 [2024-12-02 08:39:47,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:39:47,021 INFO L471 AbstractCegarLoop]: Abstraction has 7498 states and 11204 transitions. [2024-12-02 08:39:47,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 739.8) internal successors, (3699), 5 states have internal predecessors, (3699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:47,021 INFO L276 IsEmpty]: Start isEmpty. Operand 7498 states and 11204 transitions. [2024-12-02 08:39:47,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3701 [2024-12-02 08:39:47,073 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:39:47,073 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:39:47,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-12-02 08:39:47,074 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:39:47,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:39:47,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1934020039, now seen corresponding path program 1 times [2024-12-02 08:39:47,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:39:47,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097927443] [2024-12-02 08:39:47,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:39:47,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:39:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:39:54,844 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:39:54,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:39:54,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097927443] [2024-12-02 08:39:54,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097927443] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:39:54,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:39:54,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:39:54,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865768568] [2024-12-02 08:39:54,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:39:54,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:39:54,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:39:54,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:39:54,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:39:54,848 INFO L87 Difference]: Start difference. First operand 7498 states and 11204 transitions. Second operand has 4 states, 4 states have (on average 925.0) internal successors, (3700), 4 states have internal predecessors, (3700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:55,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:39:55,809 INFO L93 Difference]: Finished difference Result 13954 states and 20846 transitions. [2024-12-02 08:39:55,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:39:55,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 925.0) internal successors, (3700), 4 states have internal predecessors, (3700), 0 states have call successors, (0), 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 3700 [2024-12-02 08:39:55,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:39:55,815 INFO L225 Difference]: With dead ends: 13954 [2024-12-02 08:39:55,815 INFO L226 Difference]: Without dead ends: 7498 [2024-12-02 08:39:55,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:39:55,818 INFO L435 NwaCegarLoop]: 9451 mSDtfsCounter, 9106 mSDsluCounter, 9445 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9106 SdHoareTripleChecker+Valid, 18896 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 08:39:55,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9106 Valid, 18896 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 08:39:55,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7498 states. [2024-12-02 08:39:55,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7498 to 7498. [2024-12-02 08:39:55,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7498 states, 7497 states have (on average 1.4941976790716287) internal successors, (11202), 7497 states have internal predecessors, (11202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:55,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7498 states to 7498 states and 11202 transitions. [2024-12-02 08:39:55,878 INFO L78 Accepts]: Start accepts. Automaton has 7498 states and 11202 transitions. Word has length 3700 [2024-12-02 08:39:55,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:39:55,878 INFO L471 AbstractCegarLoop]: Abstraction has 7498 states and 11202 transitions. [2024-12-02 08:39:55,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 925.0) internal successors, (3700), 4 states have internal predecessors, (3700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:39:55,879 INFO L276 IsEmpty]: Start isEmpty. Operand 7498 states and 11202 transitions. [2024-12-02 08:39:56,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3702 [2024-12-02 08:39:56,009 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:39:56,010 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:39:56,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-12-02 08:39:56,010 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:39:56,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:39:56,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1228887140, now seen corresponding path program 1 times [2024-12-02 08:39:56,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:39:56,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430388768] [2024-12-02 08:39:56,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:39:56,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:39:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:40:04,268 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:40:04,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:40:04,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430388768] [2024-12-02 08:40:04,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430388768] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:40:04,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:40:04,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:40:04,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969329963] [2024-12-02 08:40:04,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:40:04,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:40:04,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:40:04,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:40:04,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:40:04,271 INFO L87 Difference]: Start difference. First operand 7498 states and 11202 transitions. Second operand has 5 states, 5 states have (on average 740.2) internal successors, (3701), 5 states have internal predecessors, (3701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:40:04,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:40:04,443 INFO L93 Difference]: Finished difference Result 13955 states and 20844 transitions. [2024-12-02 08:40:04,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:40:04,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 740.2) internal successors, (3701), 5 states have internal predecessors, (3701), 0 states have call successors, (0), 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 3701 [2024-12-02 08:40:04,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:40:04,449 INFO L225 Difference]: With dead ends: 13955 [2024-12-02 08:40:04,449 INFO L226 Difference]: Without dead ends: 7499 [2024-12-02 08:40:04,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:40:04,453 INFO L435 NwaCegarLoop]: 9916 mSDtfsCounter, 9114 mSDsluCounter, 19827 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9114 SdHoareTripleChecker+Valid, 29743 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:40:04,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9114 Valid, 29743 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:40:04,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7499 states. [2024-12-02 08:40:04,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7499 to 7499. [2024-12-02 08:40:04,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7499 states, 7498 states have (on average 1.4941317684715925) internal successors, (11203), 7498 states have internal predecessors, (11203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:40:04,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7499 states to 7499 states and 11203 transitions. [2024-12-02 08:40:04,518 INFO L78 Accepts]: Start accepts. Automaton has 7499 states and 11203 transitions. Word has length 3701 [2024-12-02 08:40:04,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:40:04,518 INFO L471 AbstractCegarLoop]: Abstraction has 7499 states and 11203 transitions. [2024-12-02 08:40:04,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 740.2) internal successors, (3701), 5 states have internal predecessors, (3701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:40:04,519 INFO L276 IsEmpty]: Start isEmpty. Operand 7499 states and 11203 transitions. [2024-12-02 08:40:04,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3702 [2024-12-02 08:40:04,710 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:40:04,710 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:40:04,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-12-02 08:40:04,711 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:40:04,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:40:04,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1191207076, now seen corresponding path program 1 times [2024-12-02 08:40:04,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:40:04,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831986660] [2024-12-02 08:40:04,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:40:04,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:40:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:40:12,605 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:40:12,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:40:12,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831986660] [2024-12-02 08:40:12,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831986660] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:40:12,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:40:12,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:40:12,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274967325] [2024-12-02 08:40:12,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:40:12,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:40:12,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:40:12,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:40:12,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:40:12,608 INFO L87 Difference]: Start difference. First operand 7499 states and 11203 transitions. Second operand has 5 states, 5 states have (on average 740.2) internal successors, (3701), 5 states have internal predecessors, (3701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:40:13,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:40:13,111 INFO L93 Difference]: Finished difference Result 13956 states and 20844 transitions. [2024-12-02 08:40:13,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:40:13,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 740.2) internal successors, (3701), 5 states have internal predecessors, (3701), 0 states have call successors, (0), 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 3701 [2024-12-02 08:40:13,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:40:13,117 INFO L225 Difference]: With dead ends: 13956 [2024-12-02 08:40:13,117 INFO L226 Difference]: Without dead ends: 7499 [2024-12-02 08:40:13,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:40:13,120 INFO L435 NwaCegarLoop]: 9618 mSDtfsCounter, 18735 mSDsluCounter, 9615 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18735 SdHoareTripleChecker+Valid, 19233 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:40:13,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18735 Valid, 19233 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:40:13,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7499 states. [2024-12-02 08:40:13,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7499 to 7499. [2024-12-02 08:40:13,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7499 states, 7498 states have (on average 1.4939983995732196) internal successors, (11202), 7498 states have internal predecessors, (11202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:40:13,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7499 states to 7499 states and 11202 transitions. [2024-12-02 08:40:13,170 INFO L78 Accepts]: Start accepts. Automaton has 7499 states and 11202 transitions. Word has length 3701 [2024-12-02 08:40:13,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:40:13,170 INFO L471 AbstractCegarLoop]: Abstraction has 7499 states and 11202 transitions. [2024-12-02 08:40:13,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 740.2) internal successors, (3701), 5 states have internal predecessors, (3701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:40:13,171 INFO L276 IsEmpty]: Start isEmpty. Operand 7499 states and 11202 transitions. [2024-12-02 08:40:13,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3703 [2024-12-02 08:40:13,222 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:40:13,223 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:40:13,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-12-02 08:40:13,223 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:40:13,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:40:13,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1366680511, now seen corresponding path program 1 times [2024-12-02 08:40:13,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:40:13,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264244210] [2024-12-02 08:40:13,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:40:13,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:40:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:40:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:40:21,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:40:21,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264244210] [2024-12-02 08:40:21,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264244210] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:40:21,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:40:21,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:40:21,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344945402] [2024-12-02 08:40:21,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:40:21,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:40:21,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:40:21,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:40:21,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:40:21,382 INFO L87 Difference]: Start difference. First operand 7499 states and 11202 transitions. Second operand has 4 states, 4 states have (on average 925.5) internal successors, (3702), 4 states have internal predecessors, (3702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:40:22,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:40:22,143 INFO L93 Difference]: Finished difference Result 13956 states and 20842 transitions. [2024-12-02 08:40:22,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:40:22,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 925.5) internal successors, (3702), 4 states have internal predecessors, (3702), 0 states have call successors, (0), 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 3702 [2024-12-02 08:40:22,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:40:22,149 INFO L225 Difference]: With dead ends: 13956 [2024-12-02 08:40:22,150 INFO L226 Difference]: Without dead ends: 7499 [2024-12-02 08:40:22,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:40:22,153 INFO L435 NwaCegarLoop]: 9450 mSDtfsCounter, 9085 mSDsluCounter, 9445 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9085 SdHoareTripleChecker+Valid, 18895 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:40:22,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9085 Valid, 18895 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 965 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 08:40:22,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7499 states. [2024-12-02 08:40:22,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7499 to 7499. [2024-12-02 08:40:22,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7499 states, 7498 states have (on average 1.4937316617764738) internal successors, (11200), 7498 states have internal predecessors, (11200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:40:22,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7499 states to 7499 states and 11200 transitions. [2024-12-02 08:40:22,207 INFO L78 Accepts]: Start accepts. Automaton has 7499 states and 11200 transitions. Word has length 3702 [2024-12-02 08:40:22,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:40:22,207 INFO L471 AbstractCegarLoop]: Abstraction has 7499 states and 11200 transitions. [2024-12-02 08:40:22,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 925.5) internal successors, (3702), 4 states have internal predecessors, (3702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:40:22,208 INFO L276 IsEmpty]: Start isEmpty. Operand 7499 states and 11200 transitions. [2024-12-02 08:40:22,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3704 [2024-12-02 08:40:22,260 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:40:22,261 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:40:22,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-12-02 08:40:22,261 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:40:22,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:40:22,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1557645940, now seen corresponding path program 1 times [2024-12-02 08:40:22,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:40:22,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548177303] [2024-12-02 08:40:22,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:40:22,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:40:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat