./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal115.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_be407511-c6fa-4bda-a639-c1a6703bb104/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be407511-c6fa-4bda-a639-c1a6703bb104/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be407511-c6fa-4bda-a639-c1a6703bb104/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be407511-c6fa-4bda-a639-c1a6703bb104/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal115.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be407511-c6fa-4bda-a639-c1a6703bb104/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be407511-c6fa-4bda-a639-c1a6703bb104/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b6017555b169173a44e38b4dece9a9570667674da7f7ad58eeb28f0be7635634 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:56:14,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:56:14,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be407511-c6fa-4bda-a639-c1a6703bb104/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:56:14,482 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:56:14,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:56:14,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:56:14,517 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:56:14,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:56:14,518 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:56:14,518 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:56:14,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:56:14,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:56:14,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:56:14,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:56:14,520 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:56:14,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:56:14,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:56:14,520 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:56:14,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:56:14,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:56:14,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:56:14,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:56:14,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:56:14,521 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:56:14,521 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:56:14,521 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:56:14,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:56:14,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:56:14,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:56:14,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:56:14,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:56:14,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:56:14,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:56:14,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:56:14,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:56:14,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:56:14,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:56:14,523 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:56:14,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:56:14,524 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:56:14,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:56:14,524 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:56:14,524 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:56:14,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:56:14,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:56:14,524 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_be407511-c6fa-4bda-a639-c1a6703bb104/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6017555b169173a44e38b4dece9a9570667674da7f7ad58eeb28f0be7635634 [2024-11-28 04:56:14,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:56:14,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:56:14,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:56:14,914 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:56:14,915 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:56:14,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be407511-c6fa-4bda-a639-c1a6703bb104/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal115.c [2024-11-28 04:56:17,995 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be407511-c6fa-4bda-a639-c1a6703bb104/bin/uautomizer-verify-aQ6SnzHsRB/data/ca109f247/0fb6ebbdc42549fbbd7a100e276de1c0/FLAG589f02c8d [2024-11-28 04:56:18,776 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:56:18,777 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be407511-c6fa-4bda-a639-c1a6703bb104/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal115.c [2024-11-28 04:56:18,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be407511-c6fa-4bda-a639-c1a6703bb104/bin/uautomizer-verify-aQ6SnzHsRB/data/ca109f247/0fb6ebbdc42549fbbd7a100e276de1c0/FLAG589f02c8d [2024-11-28 04:56:18,852 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be407511-c6fa-4bda-a639-c1a6703bb104/bin/uautomizer-verify-aQ6SnzHsRB/data/ca109f247/0fb6ebbdc42549fbbd7a100e276de1c0 [2024-11-28 04:56:18,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:56:18,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:56:18,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:56:18,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:56:18,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:56:18,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:56:18" (1/1) ... [2024-11-28 04:56:18,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40e9f009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:56:18, skipping insertion in model container [2024-11-28 04:56:18,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:56:18" (1/1) ... [2024-11-28 04:56:19,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:56:19,558 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_be407511-c6fa-4bda-a639-c1a6703bb104/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal115.c[1246,1259] [2024-11-28 04:56:21,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:56:21,647 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:56:21,657 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_be407511-c6fa-4bda-a639-c1a6703bb104/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal115.c[1246,1259] [2024-11-28 04:56:23,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:56:23,270 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:56:23,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:56:23 WrapperNode [2024-11-28 04:56:23,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:56:23,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:56:23,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:56:23,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:56:23,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:56:23" (1/1) ... [2024-11-28 04:56:23,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:56:23" (1/1) ... [2024-11-28 04:56:28,237 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50296 [2024-11-28 04:56:28,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:56:28,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:56:28,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:56:28,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:56:28,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:56:23" (1/1) ... [2024-11-28 04:56:28,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:56:23" (1/1) ... [2024-11-28 04:56:29,250 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:56:23" (1/1) ... [2024-11-28 04:56:30,188 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:56:30,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:56:23" (1/1) ... [2024-11-28 04:56:30,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:56:23" (1/1) ... [2024-11-28 04:56:31,400 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:56:23" (1/1) ... [2024-11-28 04:56:31,487 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:56:23" (1/1) ... [2024-11-28 04:56:31,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:56:23" (1/1) ... [2024-11-28 04:56:31,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:56:23" (1/1) ... [2024-11-28 04:56:31,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:56:23" (1/1) ... [2024-11-28 04:56:32,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:56:32,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:56:32,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:56:32,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:56:32,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:56:23" (1/1) ... [2024-11-28 04:56:32,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:56:32,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be407511-c6fa-4bda-a639-c1a6703bb104/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:56:32,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be407511-c6fa-4bda-a639-c1a6703bb104/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:56:32,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be407511-c6fa-4bda-a639-c1a6703bb104/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:56:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:56:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:56:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:56:32,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:56:36,219 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:56:36,221 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:59:40,501 INFO L? ?]: Removed 29091 outVars from TransFormulas that were not future-live. [2024-11-28 04:59:40,501 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:59:40,712 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:59:40,713 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:59:40,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:59:40 BoogieIcfgContainer [2024-11-28 04:59:40,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:59:40,718 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:59:40,718 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:59:40,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:59:40,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:56:18" (1/3) ... [2024-11-28 04:59:40,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8d8cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:59:40, skipping insertion in model container [2024-11-28 04:59:40,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:56:23" (2/3) ... [2024-11-28 04:59:40,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8d8cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:59:40, skipping insertion in model container [2024-11-28 04:59:40,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:59:40" (3/3) ... [2024-11-28 04:59:40,727 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal115.c [2024-11-28 04:59:40,745 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:59:40,749 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.cal115.c that has 1 procedures, 15851 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:59:41,080 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:59:41,093 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;@1df8051a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:59:41,094 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:59:41,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 15851 states, 15849 states have (on average 1.5005994069026436) internal successors, (23783), 15850 states have internal predecessors, (23783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:59:41,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-11-28 04:59:41,168 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:41,168 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] [2024-11-28 04:59:41,169 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:41,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:41,179 INFO L85 PathProgramCache]: Analyzing trace with hash -814616070, now seen corresponding path program 1 times [2024-11-28 04:59:41,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:41,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337610910] [2024-11-28 04:59:41,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:41,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:43,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:43,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:43,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337610910] [2024-11-28 04:59:43,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337610910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:43,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:44,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:59:44,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520115181] [2024-11-28 04:59:44,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:44,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:59:44,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:44,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:59:44,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:59:44,077 INFO L87 Difference]: Start difference. First operand has 15851 states, 15849 states have (on average 1.5005994069026436) internal successors, (23783), 15850 states have internal predecessors, (23783), 0 states have call successors, (0), 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 86.0) internal successors, (344), 4 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:59:45,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:45,027 INFO L93 Difference]: Finished difference Result 31323 states and 47001 transitions. [2024-11-28 04:59:45,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:59:45,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 0 states have call successors, (0), 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 344 [2024-11-28 04:59:45,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:45,127 INFO L225 Difference]: With dead ends: 31323 [2024-11-28 04:59:45,127 INFO L226 Difference]: Without dead ends: 15850 [2024-11-28 04:59:45,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:59:45,160 INFO L435 NwaCegarLoop]: 23774 mSDtfsCounter, 0 mSDsluCounter, 47542 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71316 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:45,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71316 Invalid, 11 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:59:45,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15850 states. [2024-11-28 04:59:45,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15850 to 15850. [2024-11-28 04:59:45,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15850 states, 15849 states have (on average 1.5002839295854629) internal successors, (23778), 15849 states have internal predecessors, (23778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:59:45,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15850 states to 15850 states and 23778 transitions. [2024-11-28 04:59:45,697 INFO L78 Accepts]: Start accepts. Automaton has 15850 states and 23778 transitions. Word has length 344 [2024-11-28 04:59:45,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:45,702 INFO L471 AbstractCegarLoop]: Abstraction has 15850 states and 23778 transitions. [2024-11-28 04:59:45,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:59:45,703 INFO L276 IsEmpty]: Start isEmpty. Operand 15850 states and 23778 transitions. [2024-11-28 04:59:45,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-11-28 04:59:45,713 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:45,715 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] [2024-11-28 04:59:45,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:59:45,715 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:45,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:45,718 INFO L85 PathProgramCache]: Analyzing trace with hash 518403000, now seen corresponding path program 1 times [2024-11-28 04:59:45,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:45,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109597821] [2024-11-28 04:59:45,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:45,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:47,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:47,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:47,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109597821] [2024-11-28 04:59:47,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109597821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:47,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:47,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:59:47,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443537889] [2024-11-28 04:59:47,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:47,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:59:47,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:47,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:59:47,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:59:47,063 INFO L87 Difference]: Start difference. First operand 15850 states and 23778 transitions. Second operand has 5 states, 5 states have (on average 69.0) internal successors, (345), 5 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:59:51,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:51,421 INFO L93 Difference]: Finished difference Result 46410 states and 69628 transitions. [2024-11-28 04:59:51,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:59:51,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 69.0) internal successors, (345), 5 states have internal predecessors, (345), 0 states have call successors, (0), 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 345 [2024-11-28 04:59:51,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:51,539 INFO L225 Difference]: With dead ends: 46410 [2024-11-28 04:59:51,539 INFO L226 Difference]: Without dead ends: 15850 [2024-11-28 04:59:51,566 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:59:51,569 INFO L435 NwaCegarLoop]: 23744 mSDtfsCounter, 68123 mSDsluCounter, 46440 mSDsCounter, 0 mSdLazyCounter, 1564 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68123 SdHoareTripleChecker+Valid, 70184 SdHoareTripleChecker+Invalid, 1753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 1564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:51,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68123 Valid, 70184 Invalid, 1753 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [189 Valid, 1564 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-28 04:59:51,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15850 states. [2024-11-28 04:59:51,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15850 to 15850. [2024-11-28 04:59:52,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15850 states, 15849 states have (on average 1.5002208341220267) internal successors, (23777), 15849 states have internal predecessors, (23777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:59:52,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15850 states to 15850 states and 23777 transitions. [2024-11-28 04:59:52,064 INFO L78 Accepts]: Start accepts. Automaton has 15850 states and 23777 transitions. Word has length 345 [2024-11-28 04:59:52,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:52,066 INFO L471 AbstractCegarLoop]: Abstraction has 15850 states and 23777 transitions. [2024-11-28 04:59:52,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 69.0) internal successors, (345), 5 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:59:52,067 INFO L276 IsEmpty]: Start isEmpty. Operand 15850 states and 23777 transitions. [2024-11-28 04:59:52,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-11-28 04:59:52,072 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:52,073 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] [2024-11-28 04:59:52,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:59:52,073 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:52,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:52,078 INFO L85 PathProgramCache]: Analyzing trace with hash 701717725, now seen corresponding path program 1 times [2024-11-28 04:59:52,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:52,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550741584] [2024-11-28 04:59:52,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:52,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:54,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:59:54,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:54,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550741584] [2024-11-28 04:59:54,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550741584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:54,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:54,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:59:54,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876678215] [2024-11-28 04:59:54,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:54,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:59:54,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:54,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:59:54,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:59:54,637 INFO L87 Difference]: Start difference. First operand 15850 states and 23777 transitions. Second operand has 5 states, 5 states have (on average 69.2) internal successors, (346), 5 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:59:59,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:59,299 INFO L93 Difference]: Finished difference Result 31322 states and 46988 transitions. [2024-11-28 04:59:59,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:59:59,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 69.2) internal successors, (346), 5 states have internal predecessors, (346), 0 states have call successors, (0), 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 346 [2024-11-28 04:59:59,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:59,336 INFO L225 Difference]: With dead ends: 31322 [2024-11-28 04:59:59,336 INFO L226 Difference]: Without dead ends: 15850 [2024-11-28 04:59:59,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:59:59,356 INFO L435 NwaCegarLoop]: 22698 mSDtfsCounter, 23723 mSDsluCounter, 22698 mSDsCounter, 0 mSdLazyCounter, 2151 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23723 SdHoareTripleChecker+Valid, 45396 SdHoareTripleChecker+Invalid, 2152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:59,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23723 Valid, 45396 Invalid, 2152 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2151 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 04:59:59,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15850 states. [2024-11-28 04:59:59,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15850 to 15850. [2024-11-28 04:59:59,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15850 states, 15849 states have (on average 1.5001577386585905) internal successors, (23776), 15849 states have internal predecessors, (23776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:59:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15850 states to 15850 states and 23776 transitions. [2024-11-28 04:59:59,740 INFO L78 Accepts]: Start accepts. Automaton has 15850 states and 23776 transitions. Word has length 346 [2024-11-28 04:59:59,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:59,741 INFO L471 AbstractCegarLoop]: Abstraction has 15850 states and 23776 transitions. [2024-11-28 04:59:59,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 69.2) internal successors, (346), 5 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:59:59,741 INFO L276 IsEmpty]: Start isEmpty. Operand 15850 states and 23776 transitions. [2024-11-28 04:59:59,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2024-11-28 04:59:59,752 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:59,752 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] [2024-11-28 04:59:59,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:59:59,753 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:59,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:59,753 INFO L85 PathProgramCache]: Analyzing trace with hash 126359691, now seen corresponding path program 1 times [2024-11-28 04:59:59,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:59,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54924057] [2024-11-28 04:59:59,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:59,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:01,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:00:01,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:01,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54924057] [2024-11-28 05:00:01,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54924057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:01,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:01,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:00:01,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717097256] [2024-11-28 05:00:01,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:01,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:00:01,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:01,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:00:01,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:00:01,274 INFO L87 Difference]: Start difference. First operand 15850 states and 23776 transitions. Second operand has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:01,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:01,699 INFO L93 Difference]: Finished difference Result 31324 states and 46989 transitions. [2024-11-28 05:00:01,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:00:01,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 0 states have call successors, (0), 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 347 [2024-11-28 05:00:01,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:01,732 INFO L225 Difference]: With dead ends: 31324 [2024-11-28 05:00:01,733 INFO L226 Difference]: Without dead ends: 15852 [2024-11-28 05:00:01,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:00:01,745 INFO L435 NwaCegarLoop]: 23772 mSDtfsCounter, 0 mSDsluCounter, 47534 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71306 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:01,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71306 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:00:01,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15852 states. [2024-11-28 05:00:01,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15852 to 15852. [2024-11-28 05:00:01,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15852 states, 15851 states have (on average 1.5000946312535486) internal successors, (23778), 15851 states have internal predecessors, (23778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:02,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15852 states to 15852 states and 23778 transitions. [2024-11-28 05:00:02,014 INFO L78 Accepts]: Start accepts. Automaton has 15852 states and 23778 transitions. Word has length 347 [2024-11-28 05:00:02,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:02,014 INFO L471 AbstractCegarLoop]: Abstraction has 15852 states and 23778 transitions. [2024-11-28 05:00:02,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:02,015 INFO L276 IsEmpty]: Start isEmpty. Operand 15852 states and 23778 transitions. [2024-11-28 05:00:02,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2024-11-28 05:00:02,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:02,024 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] [2024-11-28 05:00:02,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:00:02,024 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:02,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:02,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1475780576, now seen corresponding path program 1 times [2024-11-28 05:00:02,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:02,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821497952] [2024-11-28 05:00:02,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:02,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:03,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:00:03,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:03,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821497952] [2024-11-28 05:00:03,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821497952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:03,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:03,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:00:03,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353043147] [2024-11-28 05:00:03,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:03,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:00:03,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:03,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:00:03,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:00:03,449 INFO L87 Difference]: Start difference. First operand 15852 states and 23778 transitions. Second operand has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:04,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:04,421 INFO L93 Difference]: Finished difference Result 31326 states and 46990 transitions. [2024-11-28 05:00:04,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:00:04,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 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 348 [2024-11-28 05:00:04,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:04,453 INFO L225 Difference]: With dead ends: 31326 [2024-11-28 05:00:04,454 INFO L226 Difference]: Without dead ends: 15852 [2024-11-28 05:00:04,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:00:04,465 INFO L435 NwaCegarLoop]: 23528 mSDtfsCounter, 23521 mSDsluCounter, 23527 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23521 SdHoareTripleChecker+Valid, 47055 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:04,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23521 Valid, 47055 Invalid, 489 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 05:00:04,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15852 states. [2024-11-28 05:00:04,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15852 to 15852. [2024-11-28 05:00:04,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15852 states, 15851 states have (on average 1.5000315437511829) internal successors, (23777), 15851 states have internal predecessors, (23777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:04,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15852 states to 15852 states and 23777 transitions. [2024-11-28 05:00:04,765 INFO L78 Accepts]: Start accepts. Automaton has 15852 states and 23777 transitions. Word has length 348 [2024-11-28 05:00:04,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:04,766 INFO L471 AbstractCegarLoop]: Abstraction has 15852 states and 23777 transitions. [2024-11-28 05:00:04,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:04,767 INFO L276 IsEmpty]: Start isEmpty. Operand 15852 states and 23777 transitions. [2024-11-28 05:00:04,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-28 05:00:04,774 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:04,775 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] [2024-11-28 05:00:04,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:00:04,776 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:04,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:04,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1782094418, now seen corresponding path program 1 times [2024-11-28 05:00:04,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:04,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42133309] [2024-11-28 05:00:04,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:04,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:05,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:00:05,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:05,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42133309] [2024-11-28 05:00:05,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42133309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:05,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:05,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:00:05,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634916907] [2024-11-28 05:00:05,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:05,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:00:05,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:05,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:00:05,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:00:05,973 INFO L87 Difference]: Start difference. First operand 15852 states and 23777 transitions. Second operand has 5 states, 5 states have (on average 69.8) internal successors, (349), 5 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:06,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:06,909 INFO L93 Difference]: Finished difference Result 31326 states and 46988 transitions. [2024-11-28 05:00:06,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:00:06,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 69.8) internal successors, (349), 5 states have internal predecessors, (349), 0 states have call successors, (0), 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 349 [2024-11-28 05:00:06,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:06,946 INFO L225 Difference]: With dead ends: 31326 [2024-11-28 05:00:06,946 INFO L226 Difference]: Without dead ends: 15852 [2024-11-28 05:00:06,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:00:06,959 INFO L435 NwaCegarLoop]: 23528 mSDtfsCounter, 23720 mSDsluCounter, 23528 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23720 SdHoareTripleChecker+Valid, 47056 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:06,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23720 Valid, 47056 Invalid, 488 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:00:06,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15852 states. [2024-11-28 05:00:07,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15852 to 15852. [2024-11-28 05:00:07,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15852 states, 15851 states have (on average 1.4999684562488171) internal successors, (23776), 15851 states have internal predecessors, (23776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:07,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15852 states to 15852 states and 23776 transitions. [2024-11-28 05:00:07,269 INFO L78 Accepts]: Start accepts. Automaton has 15852 states and 23776 transitions. Word has length 349 [2024-11-28 05:00:07,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:07,269 INFO L471 AbstractCegarLoop]: Abstraction has 15852 states and 23776 transitions. [2024-11-28 05:00:07,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 69.8) internal successors, (349), 5 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:07,270 INFO L276 IsEmpty]: Start isEmpty. Operand 15852 states and 23776 transitions. [2024-11-28 05:00:07,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-11-28 05:00:07,277 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:07,277 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] [2024-11-28 05:00:07,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:00:07,278 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:07,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:07,278 INFO L85 PathProgramCache]: Analyzing trace with hash 2087191763, now seen corresponding path program 1 times [2024-11-28 05:00:07,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:07,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852104876] [2024-11-28 05:00:07,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:07,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:08,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:00:08,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:08,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852104876] [2024-11-28 05:00:08,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852104876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:08,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:08,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:00:08,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268052069] [2024-11-28 05:00:08,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:08,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:00:08,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:08,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:00:08,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:00:08,849 INFO L87 Difference]: Start difference. First operand 15852 states and 23776 transitions. Second operand has 4 states, 4 states have (on average 87.5) internal successors, (350), 4 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:09,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:09,862 INFO L93 Difference]: Finished difference Result 31326 states and 46986 transitions. [2024-11-28 05:00:09,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:00:09,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 87.5) internal successors, (350), 4 states have internal predecessors, (350), 0 states have call successors, (0), 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 350 [2024-11-28 05:00:09,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:09,889 INFO L225 Difference]: With dead ends: 31326 [2024-11-28 05:00:09,889 INFO L226 Difference]: Without dead ends: 15852 [2024-11-28 05:00:09,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:00:09,902 INFO L435 NwaCegarLoop]: 23566 mSDtfsCounter, 23472 mSDsluCounter, 23565 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23472 SdHoareTripleChecker+Valid, 47131 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:09,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23472 Valid, 47131 Invalid, 409 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 05:00:09,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15852 states. [2024-11-28 05:00:10,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15852 to 15852. [2024-11-28 05:00:10,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15852 states, 15851 states have (on average 1.4999053687464514) internal successors, (23775), 15851 states have internal predecessors, (23775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:10,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15852 states to 15852 states and 23775 transitions. [2024-11-28 05:00:10,191 INFO L78 Accepts]: Start accepts. Automaton has 15852 states and 23775 transitions. Word has length 350 [2024-11-28 05:00:10,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:10,193 INFO L471 AbstractCegarLoop]: Abstraction has 15852 states and 23775 transitions. [2024-11-28 05:00:10,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 87.5) internal successors, (350), 4 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:10,193 INFO L276 IsEmpty]: Start isEmpty. Operand 15852 states and 23775 transitions. [2024-11-28 05:00:10,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2024-11-28 05:00:10,201 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:10,201 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] [2024-11-28 05:00:10,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:00:10,202 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:10,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:10,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1669349021, now seen corresponding path program 1 times [2024-11-28 05:00:10,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:10,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239627281] [2024-11-28 05:00:10,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:10,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:11,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:00:11,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:11,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239627281] [2024-11-28 05:00:11,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239627281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:11,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:11,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:00:11,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711501109] [2024-11-28 05:00:11,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:11,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:00:11,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:11,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:00:11,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:00:11,063 INFO L87 Difference]: Start difference. First operand 15852 states and 23775 transitions. Second operand has 5 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:11,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:11,993 INFO L93 Difference]: Finished difference Result 31439 states and 47149 transitions. [2024-11-28 05:00:11,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:00:11,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 0 states have call successors, (0), 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 351 [2024-11-28 05:00:11,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:12,009 INFO L225 Difference]: With dead ends: 31439 [2024-11-28 05:00:12,010 INFO L226 Difference]: Without dead ends: 15852 [2024-11-28 05:00:12,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:00:12,023 INFO L435 NwaCegarLoop]: 23764 mSDtfsCounter, 23801 mSDsluCounter, 47328 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23801 SdHoareTripleChecker+Valid, 71092 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:12,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23801 Valid, 71092 Invalid, 218 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 05:00:12,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15852 states. [2024-11-28 05:00:12,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15852 to 15852. [2024-11-28 05:00:12,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15852 states, 15851 states have (on average 1.4998422812440855) internal successors, (23774), 15851 states have internal predecessors, (23774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:12,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15852 states to 15852 states and 23774 transitions. [2024-11-28 05:00:12,308 INFO L78 Accepts]: Start accepts. Automaton has 15852 states and 23774 transitions. Word has length 351 [2024-11-28 05:00:12,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:12,309 INFO L471 AbstractCegarLoop]: Abstraction has 15852 states and 23774 transitions. [2024-11-28 05:00:12,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:12,309 INFO L276 IsEmpty]: Start isEmpty. Operand 15852 states and 23774 transitions. [2024-11-28 05:00:12,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-28 05:00:12,316 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:12,316 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] [2024-11-28 05:00:12,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 05:00:12,317 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:12,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:12,317 INFO L85 PathProgramCache]: Analyzing trace with hash -722770767, now seen corresponding path program 1 times [2024-11-28 05:00:12,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:12,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136109500] [2024-11-28 05:00:12,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:12,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:00:14,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:14,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136109500] [2024-11-28 05:00:14,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136109500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:14,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:14,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 05:00:14,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925514864] [2024-11-28 05:00:14,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:14,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:00:14,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:14,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:00:14,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:00:14,717 INFO L87 Difference]: Start difference. First operand 15852 states and 23774 transitions. Second operand has 9 states, 9 states have (on average 39.111111111111114) internal successors, (352), 9 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:15,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:15,722 INFO L93 Difference]: Finished difference Result 31419 states and 47116 transitions. [2024-11-28 05:00:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:00:15,723 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 39.111111111111114) internal successors, (352), 9 states have internal predecessors, (352), 0 states have call successors, (0), 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 352 [2024-11-28 05:00:15,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:15,735 INFO L225 Difference]: With dead ends: 31419 [2024-11-28 05:00:15,735 INFO L226 Difference]: Without dead ends: 15945 [2024-11-28 05:00:15,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:00:15,748 INFO L435 NwaCegarLoop]: 23861 mSDtfsCounter, 125 mSDsluCounter, 166871 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 190732 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:15,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 190732 Invalid, 129 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:00:15,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15945 states. [2024-11-28 05:00:16,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15945 to 15866. [2024-11-28 05:00:16,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15866 states, 15865 states have (on average 1.4997793885912385) internal successors, (23794), 15865 states have internal predecessors, (23794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:16,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15866 states to 15866 states and 23794 transitions. [2024-11-28 05:00:16,060 INFO L78 Accepts]: Start accepts. Automaton has 15866 states and 23794 transitions. Word has length 352 [2024-11-28 05:00:16,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:16,061 INFO L471 AbstractCegarLoop]: Abstraction has 15866 states and 23794 transitions. [2024-11-28 05:00:16,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 39.111111111111114) internal successors, (352), 9 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:16,062 INFO L276 IsEmpty]: Start isEmpty. Operand 15866 states and 23794 transitions. [2024-11-28 05:00:16,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-28 05:00:16,066 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:16,066 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] [2024-11-28 05:00:16,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 05:00:16,066 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:16,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:16,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1689486210, now seen corresponding path program 1 times [2024-11-28 05:00:16,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:16,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033932558] [2024-11-28 05:00:16,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:16,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:16,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:00:16,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:16,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033932558] [2024-11-28 05:00:16,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033932558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:16,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:16,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:00:16,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103804580] [2024-11-28 05:00:16,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:16,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:00:16,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:16,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:00:16,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:00:16,677 INFO L87 Difference]: Start difference. First operand 15866 states and 23794 transitions. Second operand has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:16,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:16,968 INFO L93 Difference]: Finished difference Result 31356 states and 47026 transitions. [2024-11-28 05:00:16,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:00:16,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 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 352 [2024-11-28 05:00:16,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:16,984 INFO L225 Difference]: With dead ends: 31356 [2024-11-28 05:00:16,985 INFO L226 Difference]: Without dead ends: 15868 [2024-11-28 05:00:16,997 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 [2024-11-28 05:00:16,998 INFO L435 NwaCegarLoop]: 23769 mSDtfsCounter, 0 mSDsluCounter, 23763 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 47532 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:17,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47532 Invalid, 7 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:00:17,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15868 states. [2024-11-28 05:00:17,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15868 to 15868. [2024-11-28 05:00:17,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15868 states, 15867 states have (on average 1.4997163925127623) internal successors, (23796), 15867 states have internal predecessors, (23796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:17,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15868 states to 15868 states and 23796 transitions. [2024-11-28 05:00:17,299 INFO L78 Accepts]: Start accepts. Automaton has 15868 states and 23796 transitions. Word has length 352 [2024-11-28 05:00:17,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:17,299 INFO L471 AbstractCegarLoop]: Abstraction has 15868 states and 23796 transitions. [2024-11-28 05:00:17,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:17,300 INFO L276 IsEmpty]: Start isEmpty. Operand 15868 states and 23796 transitions. [2024-11-28 05:00:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-28 05:00:17,304 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:17,304 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] [2024-11-28 05:00:17,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 05:00:17,305 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:17,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:17,306 INFO L85 PathProgramCache]: Analyzing trace with hash 2016075904, now seen corresponding path program 1 times [2024-11-28 05:00:17,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:17,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614537623] [2024-11-28 05:00:17,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:17,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:00:17,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:17,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614537623] [2024-11-28 05:00:17,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614537623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:17,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:17,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:00:17,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939288907] [2024-11-28 05:00:17,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:17,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:00:17,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:17,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:00:17,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:00:17,896 INFO L87 Difference]: Start difference. First operand 15868 states and 23796 transitions. Second operand has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:18,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:18,156 INFO L93 Difference]: Finished difference Result 31359 states and 47028 transitions. [2024-11-28 05:00:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:00:18,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 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 352 [2024-11-28 05:00:18,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:18,168 INFO L225 Difference]: With dead ends: 31359 [2024-11-28 05:00:18,168 INFO L226 Difference]: Without dead ends: 15869 [2024-11-28 05:00:18,178 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 [2024-11-28 05:00:18,179 INFO L435 NwaCegarLoop]: 23769 mSDtfsCounter, 0 mSDsluCounter, 23763 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 47532 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:18,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47532 Invalid, 7 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:00:18,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15869 states. [2024-11-28 05:00:18,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15869 to 15869. [2024-11-28 05:00:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15869 states, 15868 states have (on average 1.4996849004285355) internal successors, (23797), 15868 states have internal predecessors, (23797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:18,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15869 states to 15869 states and 23797 transitions. [2024-11-28 05:00:18,460 INFO L78 Accepts]: Start accepts. Automaton has 15869 states and 23797 transitions. Word has length 352 [2024-11-28 05:00:18,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:18,461 INFO L471 AbstractCegarLoop]: Abstraction has 15869 states and 23797 transitions. [2024-11-28 05:00:18,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:18,461 INFO L276 IsEmpty]: Start isEmpty. Operand 15869 states and 23797 transitions. [2024-11-28 05:00:18,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2024-11-28 05:00:18,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:18,466 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] [2024-11-28 05:00:18,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 05:00:18,466 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:18,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:18,467 INFO L85 PathProgramCache]: Analyzing trace with hash -478107209, now seen corresponding path program 1 times [2024-11-28 05:00:18,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:18,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296228047] [2024-11-28 05:00:18,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:18,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:19,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:00:19,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:19,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296228047] [2024-11-28 05:00:19,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296228047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:19,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:19,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:00:19,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187429769] [2024-11-28 05:00:19,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:19,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:00:19,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:19,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:00:19,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:00:19,521 INFO L87 Difference]: Start difference. First operand 15869 states and 23797 transitions. Second operand has 4 states, 4 states have (on average 88.25) internal successors, (353), 4 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:20,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:20,376 INFO L93 Difference]: Finished difference Result 31360 states and 47028 transitions. [2024-11-28 05:00:20,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:00:20,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 88.25) internal successors, (353), 4 states have internal predecessors, (353), 0 states have call successors, (0), 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 353 [2024-11-28 05:00:20,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:20,387 INFO L225 Difference]: With dead ends: 31360 [2024-11-28 05:00:20,387 INFO L226 Difference]: Without dead ends: 15869 [2024-11-28 05:00:20,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:00:20,395 INFO L435 NwaCegarLoop]: 23566 mSDtfsCounter, 23524 mSDsluCounter, 23565 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23524 SdHoareTripleChecker+Valid, 47131 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:20,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23524 Valid, 47131 Invalid, 405 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:00:20,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15869 states. [2024-11-28 05:00:20,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15869 to 15869. [2024-11-28 05:00:20,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15869 states, 15868 states have (on average 1.4996218805142425) internal successors, (23796), 15868 states have internal predecessors, (23796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:20,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15869 states to 15869 states and 23796 transitions. [2024-11-28 05:00:20,596 INFO L78 Accepts]: Start accepts. Automaton has 15869 states and 23796 transitions. Word has length 353 [2024-11-28 05:00:20,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:20,596 INFO L471 AbstractCegarLoop]: Abstraction has 15869 states and 23796 transitions. [2024-11-28 05:00:20,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 88.25) internal successors, (353), 4 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:20,596 INFO L276 IsEmpty]: Start isEmpty. Operand 15869 states and 23796 transitions. [2024-11-28 05:00:20,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-11-28 05:00:20,598 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:20,599 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] [2024-11-28 05:00:20,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 05:00:20,599 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:20,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:20,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1171809656, now seen corresponding path program 1 times [2024-11-28 05:00:20,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:20,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96194384] [2024-11-28 05:00:20,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:20,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:21,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:00:21,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:21,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96194384] [2024-11-28 05:00:21,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96194384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:21,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:21,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:00:21,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436365765] [2024-11-28 05:00:21,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:21,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:00:21,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:21,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:00:21,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:00:21,752 INFO L87 Difference]: Start difference. First operand 15869 states and 23796 transitions. Second operand has 4 states, 4 states have (on average 88.5) internal successors, (354), 4 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:22,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:22,363 INFO L93 Difference]: Finished difference Result 31360 states and 47026 transitions. [2024-11-28 05:00:22,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:00:22,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 88.5) internal successors, (354), 4 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 354 [2024-11-28 05:00:22,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:22,373 INFO L225 Difference]: With dead ends: 31360 [2024-11-28 05:00:22,373 INFO L226 Difference]: Without dead ends: 15869 [2024-11-28 05:00:22,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:00:22,382 INFO L435 NwaCegarLoop]: 23566 mSDtfsCounter, 23465 mSDsluCounter, 23565 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23465 SdHoareTripleChecker+Valid, 47131 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:22,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23465 Valid, 47131 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:00:22,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15869 states. [2024-11-28 05:00:22,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15869 to 15869. [2024-11-28 05:00:22,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15869 states, 15868 states have (on average 1.4995588605999497) internal successors, (23795), 15868 states have internal predecessors, (23795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:22,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15869 states to 15869 states and 23795 transitions. [2024-11-28 05:00:22,698 INFO L78 Accepts]: Start accepts. Automaton has 15869 states and 23795 transitions. Word has length 354 [2024-11-28 05:00:22,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:22,699 INFO L471 AbstractCegarLoop]: Abstraction has 15869 states and 23795 transitions. [2024-11-28 05:00:22,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 88.5) internal successors, (354), 4 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:22,699 INFO L276 IsEmpty]: Start isEmpty. Operand 15869 states and 23795 transitions. [2024-11-28 05:00:22,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2024-11-28 05:00:22,701 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:22,701 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] [2024-11-28 05:00:22,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 05:00:22,702 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:22,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:22,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1005402133, now seen corresponding path program 1 times [2024-11-28 05:00:22,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:22,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95109628] [2024-11-28 05:00:22,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:22,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:23,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:00:23,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:23,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95109628] [2024-11-28 05:00:23,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95109628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:23,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:23,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:00:23,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422282826] [2024-11-28 05:00:23,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:23,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:00:23,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:23,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:00:23,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:00:23,615 INFO L87 Difference]: Start difference. First operand 15869 states and 23795 transitions. Second operand has 4 states, 4 states have (on average 88.75) internal successors, (355), 4 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:24,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:24,457 INFO L93 Difference]: Finished difference Result 31360 states and 47024 transitions. [2024-11-28 05:00:24,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:00:24,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 88.75) internal successors, (355), 4 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 355 [2024-11-28 05:00:24,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:24,468 INFO L225 Difference]: With dead ends: 31360 [2024-11-28 05:00:24,468 INFO L226 Difference]: Without dead ends: 15869 [2024-11-28 05:00:24,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:00:24,476 INFO L435 NwaCegarLoop]: 23524 mSDtfsCounter, 23512 mSDsluCounter, 23523 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23512 SdHoareTripleChecker+Valid, 47047 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:24,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23512 Valid, 47047 Invalid, 485 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:00:24,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15869 states. [2024-11-28 05:00:24,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15869 to 15869. [2024-11-28 05:00:24,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15869 states, 15868 states have (on average 1.4994958406856567) internal successors, (23794), 15868 states have internal predecessors, (23794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:24,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15869 states to 15869 states and 23794 transitions. [2024-11-28 05:00:24,773 INFO L78 Accepts]: Start accepts. Automaton has 15869 states and 23794 transitions. Word has length 355 [2024-11-28 05:00:24,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:24,773 INFO L471 AbstractCegarLoop]: Abstraction has 15869 states and 23794 transitions. [2024-11-28 05:00:24,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 88.75) internal successors, (355), 4 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:24,773 INFO L276 IsEmpty]: Start isEmpty. Operand 15869 states and 23794 transitions. [2024-11-28 05:00:24,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2024-11-28 05:00:24,779 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:24,779 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] [2024-11-28 05:00:24,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 05:00:24,780 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:24,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:24,780 INFO L85 PathProgramCache]: Analyzing trace with hash 2065524870, now seen corresponding path program 1 times [2024-11-28 05:00:24,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:24,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558213651] [2024-11-28 05:00:24,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:24,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:25,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:00:25,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:25,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558213651] [2024-11-28 05:00:25,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558213651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:25,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:25,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:00:25,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167062037] [2024-11-28 05:00:25,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:25,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:00:25,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:25,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:00:25,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:00:25,792 INFO L87 Difference]: Start difference. First operand 15869 states and 23794 transitions. Second operand has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:26,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:26,775 INFO L93 Difference]: Finished difference Result 31360 states and 47022 transitions. [2024-11-28 05:00:26,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:00:26,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 0 states have call successors, (0), 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 356 [2024-11-28 05:00:26,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:26,791 INFO L225 Difference]: With dead ends: 31360 [2024-11-28 05:00:26,792 INFO L226 Difference]: Without dead ends: 15869 [2024-11-28 05:00:26,803 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 [2024-11-28 05:00:26,804 INFO L435 NwaCegarLoop]: 23524 mSDtfsCounter, 23454 mSDsluCounter, 23523 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23454 SdHoareTripleChecker+Valid, 47047 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:26,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23454 Valid, 47047 Invalid, 483 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 05:00:26,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15869 states. [2024-11-28 05:00:27,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15869 to 15869. [2024-11-28 05:00:27,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15869 states, 15868 states have (on average 1.4994328207713639) internal successors, (23793), 15868 states have internal predecessors, (23793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:27,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15869 states to 15869 states and 23793 transitions. [2024-11-28 05:00:27,147 INFO L78 Accepts]: Start accepts. Automaton has 15869 states and 23793 transitions. Word has length 356 [2024-11-28 05:00:27,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:27,147 INFO L471 AbstractCegarLoop]: Abstraction has 15869 states and 23793 transitions. [2024-11-28 05:00:27,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:00:27,148 INFO L276 IsEmpty]: Start isEmpty. Operand 15869 states and 23793 transitions. [2024-11-28 05:00:27,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2024-11-28 05:00:27,149 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:27,149 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] [2024-11-28 05:00:27,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 05:00:27,149 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:27,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:27,150 INFO L85 PathProgramCache]: Analyzing trace with hash -407708162, now seen corresponding path program 1 times [2024-11-28 05:00:27,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:00:27,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199561650] [2024-11-28 05:00:27,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:27,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:00:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:29,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:00:29,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:00:29,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199561650] [2024-11-28 05:00:29,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199561650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:29,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:29,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 05:00:29,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323162444] [2024-11-28 05:00:29,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:29,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 05:00:29,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:00:29,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 05:00:29,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:00:29,488 INFO L87 Difference]: Start difference. First operand 15869 states and 23793 transitions. Second operand has 12 states, 12 states have (on average 29.75) internal successors, (357), 12 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)