./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_807e9567-3d46-4575-a852-89437a74f02a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807e9567-3d46-4575-a852-89437a74f02a/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_807e9567-3d46-4575-a852-89437a74f02a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807e9567-3d46-4575-a852-89437a74f02a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807e9567-3d46-4575-a852-89437a74f02a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807e9567-3d46-4575-a852-89437a74f02a/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 32bit --witnessprinter.graph.data.programhash 7853b3826176a0fe575c35877885ca2c640283bf6a2200e21b7819452b726d2c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:31:15,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:31:15,207 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807e9567-3d46-4575-a852-89437a74f02a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:31:15,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:31:15,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:31:15,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:31:15,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:31:15,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:31:15,256 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:31:15,256 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:31:15,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:31:15,257 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:31:15,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:31:15,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:31:15,258 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:31:15,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:31:15,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:31:15,259 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:31:15,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:31:15,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:31:15,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:31:15,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:31:15,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:31:15,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:31:15,260 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:31:15,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:31:15,260 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:31:15,260 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:31:15,260 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:31:15,260 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:31:15,261 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:31:15,261 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:31:15,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:31:15,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:31:15,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:31:15,261 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:31:15,261 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:31:15,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:31:15,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:31:15,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:31:15,262 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:31:15,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:31:15,263 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:31:15,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:31:15,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:31:15,263 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:31:15,263 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:31:15,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:31:15,264 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_807e9567-3d46-4575-a852-89437a74f02a/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7853b3826176a0fe575c35877885ca2c640283bf6a2200e21b7819452b726d2c [2024-11-28 04:31:15,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:31:15,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:31:15,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:31:15,587 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:31:15,587 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:31:15,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807e9567-3d46-4575-a852-89437a74f02a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-28 04:31:18,619 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807e9567-3d46-4575-a852-89437a74f02a/bin/uautomizer-verify-aQ6SnzHsRB/data/1790e78fd/5318db74ae514c0bb64731d1397bd06c/FLAG09695260a [2024-11-28 04:31:19,224 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:31:19,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807e9567-3d46-4575-a852-89437a74f02a/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-28 04:31:19,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807e9567-3d46-4575-a852-89437a74f02a/bin/uautomizer-verify-aQ6SnzHsRB/data/1790e78fd/5318db74ae514c0bb64731d1397bd06c/FLAG09695260a [2024-11-28 04:31:19,690 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807e9567-3d46-4575-a852-89437a74f02a/bin/uautomizer-verify-aQ6SnzHsRB/data/1790e78fd/5318db74ae514c0bb64731d1397bd06c [2024-11-28 04:31:19,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:31:19,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:31:19,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:31:19,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:31:19,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:31:19,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:31:19" (1/1) ... [2024-11-28 04:31:19,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b19cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:19, skipping insertion in model container [2024-11-28 04:31:19,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:31:19" (1/1) ... [2024-11-28 04:31:19,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:31:20,397 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_807e9567-3d46-4575-a852-89437a74f02a/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[28933,28946] [2024-11-28 04:31:20,480 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_807e9567-3d46-4575-a852-89437a74f02a/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[50969,50982] [2024-11-28 04:31:20,510 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_807e9567-3d46-4575-a852-89437a74f02a/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58695,58708] [2024-11-28 04:31:20,594 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_807e9567-3d46-4575-a852-89437a74f02a/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[83802,83815] [2024-11-28 04:31:20,663 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_807e9567-3d46-4575-a852-89437a74f02a/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98975,98988] [2024-11-28 04:31:20,708 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_807e9567-3d46-4575-a852-89437a74f02a/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[115686,115699] [2024-11-28 04:31:20,760 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_807e9567-3d46-4575-a852-89437a74f02a/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132053,132066] [2024-11-28 04:31:20,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:31:21,007 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:31:21,123 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_807e9567-3d46-4575-a852-89437a74f02a/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[28933,28946] [2024-11-28 04:31:21,182 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_807e9567-3d46-4575-a852-89437a74f02a/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[50969,50982] [2024-11-28 04:31:21,203 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_807e9567-3d46-4575-a852-89437a74f02a/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58695,58708] [2024-11-28 04:31:21,271 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_807e9567-3d46-4575-a852-89437a74f02a/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[83802,83815] [2024-11-28 04:31:21,309 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_807e9567-3d46-4575-a852-89437a74f02a/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98975,98988] [2024-11-28 04:31:21,379 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_807e9567-3d46-4575-a852-89437a74f02a/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[115686,115699] [2024-11-28 04:31:21,414 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_807e9567-3d46-4575-a852-89437a74f02a/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132053,132066] [2024-11-28 04:31:21,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:31:21,604 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:31:21,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:21 WrapperNode [2024-11-28 04:31:21,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:31:21,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:31:21,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:31:21,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:31:21,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:21" (1/1) ... [2024-11-28 04:31:21,680 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:21" (1/1) ... [2024-11-28 04:31:21,929 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 9849 [2024-11-28 04:31:21,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:31:21,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:31:21,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:31:21,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:31:21,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:21" (1/1) ... [2024-11-28 04:31:21,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:21" (1/1) ... [2024-11-28 04:31:21,986 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:21" (1/1) ... [2024-11-28 04:31:22,077 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 04:31:22,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:21" (1/1) ... [2024-11-28 04:31:22,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:21" (1/1) ... [2024-11-28 04:31:22,164 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:21" (1/1) ... [2024-11-28 04:31:22,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:21" (1/1) ... [2024-11-28 04:31:22,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:21" (1/1) ... [2024-11-28 04:31:22,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:21" (1/1) ... [2024-11-28 04:31:22,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:21" (1/1) ... [2024-11-28 04:31:22,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:31:22,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:31:22,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:31:22,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:31:22,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:21" (1/1) ... [2024-11-28 04:31:22,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:31:22,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807e9567-3d46-4575-a852-89437a74f02a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:22,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807e9567-3d46-4575-a852-89437a74f02a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:22,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_807e9567-3d46-4575-a852-89437a74f02a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:31:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:31:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:31:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:31:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:31:22,739 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:31:22,741 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:31:28,800 INFO L? ?]: Removed 1723 outVars from TransFormulas that were not future-live. [2024-11-28 04:31:28,801 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:31:28,847 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:31:28,847 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:31:28,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:31:28 BoogieIcfgContainer [2024-11-28 04:31:28,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:31:28,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:31:28,850 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:31:28,855 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:31:28,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:31:19" (1/3) ... [2024-11-28 04:31:28,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3328b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:31:28, skipping insertion in model container [2024-11-28 04:31:28,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:21" (2/3) ... [2024-11-28 04:31:28,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3328b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:31:28, skipping insertion in model container [2024-11-28 04:31:28,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:31:28" (3/3) ... [2024-11-28 04:31:28,857 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-28 04:31:28,872 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:31:28,875 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c that has 1 procedures, 2029 locations, 1 initial locations, 0 loop locations, and 7 error locations. [2024-11-28 04:31:28,975 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:31:28,987 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;@7af461da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:31:28,987 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-28 04:31:28,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 2029 states, 2021 states have (on average 1.7986145472538346) internal successors, (3635), 2028 states have internal predecessors, (3635), 0 states have call successors, (0), 0 states 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 04:31:29,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-28 04:31:29,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:29,025 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] [2024-11-28 04:31:29,025 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:31:29,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:29,030 INFO L85 PathProgramCache]: Analyzing trace with hash -847729376, now seen corresponding path program 1 times [2024-11-28 04:31:29,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:29,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948611219] [2024-11-28 04:31:29,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:29,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:29,864 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 04:31:29,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:29,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948611219] [2024-11-28 04:31:29,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948611219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:29,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:29,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:31:29,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382580875] [2024-11-28 04:31:29,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:29,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:31:29,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:29,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:31:29,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:31:29,903 INFO L87 Difference]: Start difference. First operand has 2029 states, 2021 states have (on average 1.7986145472538346) internal successors, (3635), 2028 states have internal predecessors, (3635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states 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 04:31:33,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:33,355 INFO L93 Difference]: Finished difference Result 3990 states and 7067 transitions. [2024-11-28 04:31:33,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:31:33,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2024-11-28 04:31:33,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:33,397 INFO L225 Difference]: With dead ends: 3990 [2024-11-28 04:31:33,397 INFO L226 Difference]: Without dead ends: 2653 [2024-11-28 04:31:33,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:31:33,410 INFO L435 NwaCegarLoop]: 1976 mSDtfsCounter, 12884 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 2171 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12884 SdHoareTripleChecker+Valid, 2585 SdHoareTripleChecker+Invalid, 2216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:33,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12884 Valid, 2585 Invalid, 2216 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [45 Valid, 2171 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-28 04:31:33,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2653 states. [2024-11-28 04:31:33,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2653 to 2647. [2024-11-28 04:31:33,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2647 states, 2640 states have (on average 1.3321969696969698) internal successors, (3517), 2646 states have internal predecessors, (3517), 0 states have call successors, (0), 0 states 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 04:31:33,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2647 states and 3517 transitions. [2024-11-28 04:31:33,598 INFO L78 Accepts]: Start accepts. Automaton has 2647 states and 3517 transitions. Word has length 64 [2024-11-28 04:31:33,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:33,598 INFO L471 AbstractCegarLoop]: Abstraction has 2647 states and 3517 transitions. [2024-11-28 04:31:33,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states 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 04:31:33,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3517 transitions. [2024-11-28 04:31:33,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-28 04:31:33,606 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:33,607 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] [2024-11-28 04:31:33,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:31:33,607 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:31:33,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:33,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1467352586, now seen corresponding path program 1 times [2024-11-28 04:31:33,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:33,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877844102] [2024-11-28 04:31:33,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:33,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:34,008 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 04:31:34,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:34,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877844102] [2024-11-28 04:31:34,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877844102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:34,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:34,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:31:34,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955129036] [2024-11-28 04:31:34,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:34,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:31:34,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:34,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:31:34,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:31:34,014 INFO L87 Difference]: Start difference. First operand 2647 states and 3517 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states 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 04:31:36,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:36,129 INFO L93 Difference]: Finished difference Result 4535 states and 6097 transitions. [2024-11-28 04:31:36,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:31:36,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2024-11-28 04:31:36,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:36,146 INFO L225 Difference]: With dead ends: 4535 [2024-11-28 04:31:36,146 INFO L226 Difference]: Without dead ends: 2930 [2024-11-28 04:31:36,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:31:36,154 INFO L435 NwaCegarLoop]: 1082 mSDtfsCounter, 7798 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7798 SdHoareTripleChecker+Valid, 1463 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:36,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7798 Valid, 1463 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1427 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 04:31:36,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2930 states. [2024-11-28 04:31:36,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2930 to 2917. [2024-11-28 04:31:36,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2910 states have (on average 1.354639175257732) internal successors, (3942), 2916 states have internal predecessors, (3942), 0 states have call successors, (0), 0 states 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 04:31:36,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 3942 transitions. [2024-11-28 04:31:36,280 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 3942 transitions. Word has length 65 [2024-11-28 04:31:36,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:36,280 INFO L471 AbstractCegarLoop]: Abstraction has 2917 states and 3942 transitions. [2024-11-28 04:31:36,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states 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 04:31:36,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 3942 transitions. [2024-11-28 04:31:36,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-28 04:31:36,288 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:36,288 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] [2024-11-28 04:31:36,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:31:36,288 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:31:36,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:36,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1695427145, now seen corresponding path program 1 times [2024-11-28 04:31:36,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:36,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662309421] [2024-11-28 04:31:36,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:36,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:36,586 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 04:31:36,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:36,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662309421] [2024-11-28 04:31:36,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662309421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:36,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:36,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:31:36,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468266425] [2024-11-28 04:31:36,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:36,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:31:36,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:36,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:31:36,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:31:36,588 INFO L87 Difference]: Start difference. First operand 2917 states and 3942 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states 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 04:31:38,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:38,524 INFO L93 Difference]: Finished difference Result 6144 states and 8391 transitions. [2024-11-28 04:31:38,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:31:38,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2024-11-28 04:31:38,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:38,540 INFO L225 Difference]: With dead ends: 6144 [2024-11-28 04:31:38,540 INFO L226 Difference]: Without dead ends: 4033 [2024-11-28 04:31:38,544 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:31:38,544 INFO L435 NwaCegarLoop]: 1036 mSDtfsCounter, 7612 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7612 SdHoareTripleChecker+Valid, 1434 SdHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:38,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7612 Valid, 1434 Invalid, 1478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1415 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 04:31:38,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4033 states. [2024-11-28 04:31:38,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4033 to 4019. [2024-11-28 04:31:38,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4019 states, 4012 states have (on average 1.3504486540378864) internal successors, (5418), 4018 states have internal predecessors, (5418), 0 states have call successors, (0), 0 states 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 04:31:38,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4019 states to 4019 states and 5418 transitions. [2024-11-28 04:31:38,658 INFO L78 Accepts]: Start accepts. Automaton has 4019 states and 5418 transitions. Word has length 65 [2024-11-28 04:31:38,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:38,658 INFO L471 AbstractCegarLoop]: Abstraction has 4019 states and 5418 transitions. [2024-11-28 04:31:38,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states 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 04:31:38,659 INFO L276 IsEmpty]: Start isEmpty. Operand 4019 states and 5418 transitions. [2024-11-28 04:31:38,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-28 04:31:38,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:38,707 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] [2024-11-28 04:31:38,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:31:38,707 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:31:38,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:38,708 INFO L85 PathProgramCache]: Analyzing trace with hash -113126011, now seen corresponding path program 1 times [2024-11-28 04:31:38,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:38,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107821095] [2024-11-28 04:31:38,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:38,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:39,407 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 04:31:39,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:39,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107821095] [2024-11-28 04:31:39,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107821095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:39,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:39,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:31:39,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800759276] [2024-11-28 04:31:39,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:39,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:31:39,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:39,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:31:39,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:31:39,409 INFO L87 Difference]: Start difference. First operand 4019 states and 5418 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states 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 04:31:42,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:42,471 INFO L93 Difference]: Finished difference Result 5401 states and 7454 transitions. [2024-11-28 04:31:42,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:31:42,472 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2024-11-28 04:31:42,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:42,490 INFO L225 Difference]: With dead ends: 5401 [2024-11-28 04:31:42,490 INFO L226 Difference]: Without dead ends: 5396 [2024-11-28 04:31:42,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:31:42,494 INFO L435 NwaCegarLoop]: 1089 mSDtfsCounter, 7582 mSDsluCounter, 3958 mSDsCounter, 0 mSdLazyCounter, 4887 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7582 SdHoareTripleChecker+Valid, 5047 SdHoareTripleChecker+Invalid, 4915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 4887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:42,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7582 Valid, 5047 Invalid, 4915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 4887 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-28 04:31:42,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5396 states. [2024-11-28 04:31:42,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5396 to 4019. [2024-11-28 04:31:42,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4019 states, 4012 states have (on average 1.3501994017946162) internal successors, (5417), 4018 states have internal predecessors, (5417), 0 states have call successors, (0), 0 states 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 04:31:42,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4019 states to 4019 states and 5417 transitions. [2024-11-28 04:31:42,685 INFO L78 Accepts]: Start accepts. Automaton has 4019 states and 5417 transitions. Word has length 66 [2024-11-28 04:31:42,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:42,685 INFO L471 AbstractCegarLoop]: Abstraction has 4019 states and 5417 transitions. [2024-11-28 04:31:42,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states 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 04:31:42,686 INFO L276 IsEmpty]: Start isEmpty. Operand 4019 states and 5417 transitions. [2024-11-28 04:31:42,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-28 04:31:42,691 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:42,691 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] [2024-11-28 04:31:42,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:31:42,692 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:31:42,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:42,692 INFO L85 PathProgramCache]: Analyzing trace with hash 333187054, now seen corresponding path program 1 times [2024-11-28 04:31:42,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:42,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504344182] [2024-11-28 04:31:42,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:42,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:43,384 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 04:31:43,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:43,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504344182] [2024-11-28 04:31:43,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504344182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:43,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:43,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:31:43,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155689595] [2024-11-28 04:31:43,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:43,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:31:43,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:43,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:31:43,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:31:43,386 INFO L87 Difference]: Start difference. First operand 4019 states and 5417 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states 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 04:31:47,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:47,639 INFO L93 Difference]: Finished difference Result 5795 states and 7978 transitions. [2024-11-28 04:31:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:31:47,639 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2024-11-28 04:31:47,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:47,655 INFO L225 Difference]: With dead ends: 5795 [2024-11-28 04:31:47,655 INFO L226 Difference]: Without dead ends: 4978 [2024-11-28 04:31:47,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:31:47,658 INFO L435 NwaCegarLoop]: 1054 mSDtfsCounter, 9140 mSDsluCounter, 5335 mSDsCounter, 0 mSdLazyCounter, 6659 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9140 SdHoareTripleChecker+Valid, 6389 SdHoareTripleChecker+Invalid, 6669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 6659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:47,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9140 Valid, 6389 Invalid, 6669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 6659 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-28 04:31:47,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4978 states. [2024-11-28 04:31:47,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4978 to 4026. [2024-11-28 04:31:47,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4026 states, 4019 states have (on average 1.349589450111968) internal successors, (5424), 4025 states have internal predecessors, (5424), 0 states have call successors, (0), 0 states 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 04:31:47,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4026 states to 4026 states and 5424 transitions. [2024-11-28 04:31:47,761 INFO L78 Accepts]: Start accepts. Automaton has 4026 states and 5424 transitions. Word has length 66 [2024-11-28 04:31:47,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:47,762 INFO L471 AbstractCegarLoop]: Abstraction has 4026 states and 5424 transitions. [2024-11-28 04:31:47,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states 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 04:31:47,762 INFO L276 IsEmpty]: Start isEmpty. Operand 4026 states and 5424 transitions. [2024-11-28 04:31:47,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 04:31:47,768 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:47,769 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] [2024-11-28 04:31:47,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:31:47,769 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:31:47,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:47,770 INFO L85 PathProgramCache]: Analyzing trace with hash 124822112, now seen corresponding path program 1 times [2024-11-28 04:31:47,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:47,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568703696] [2024-11-28 04:31:47,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:47,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:48,818 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 04:31:48,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:48,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568703696] [2024-11-28 04:31:48,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568703696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:48,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:48,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 04:31:48,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704866110] [2024-11-28 04:31:48,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:48,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:31:48,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:48,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:31:48,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:31:48,820 INFO L87 Difference]: Start difference. First operand 4026 states and 5424 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 04:31:50,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:50,948 INFO L93 Difference]: Finished difference Result 5475 states and 7546 transitions. [2024-11-28 04:31:50,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:31:50,949 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-11-28 04:31:50,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:50,958 INFO L225 Difference]: With dead ends: 5475 [2024-11-28 04:31:50,958 INFO L226 Difference]: Without dead ends: 4759 [2024-11-28 04:31:50,960 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:31:50,960 INFO L435 NwaCegarLoop]: 1963 mSDtfsCounter, 14378 mSDsluCounter, 11300 mSDsCounter, 0 mSdLazyCounter, 2214 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14378 SdHoareTripleChecker+Valid, 13263 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:50,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14378 Valid, 13263 Invalid, 2235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2214 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 04:31:50,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4759 states. [2024-11-28 04:31:51,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4759 to 3970. [2024-11-28 04:31:51,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3970 states, 3964 states have (on average 1.3488900100908174) internal successors, (5347), 3969 states have internal predecessors, (5347), 0 states have call successors, (0), 0 states 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 04:31:51,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3970 states to 3970 states and 5347 transitions. [2024-11-28 04:31:51,040 INFO L78 Accepts]: Start accepts. Automaton has 3970 states and 5347 transitions. Word has length 67 [2024-11-28 04:31:51,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:51,041 INFO L471 AbstractCegarLoop]: Abstraction has 3970 states and 5347 transitions. [2024-11-28 04:31:51,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 04:31:51,041 INFO L276 IsEmpty]: Start isEmpty. Operand 3970 states and 5347 transitions. [2024-11-28 04:31:51,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 04:31:51,047 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:51,047 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] [2024-11-28 04:31:51,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:31:51,047 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:31:51,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:51,048 INFO L85 PathProgramCache]: Analyzing trace with hash 400365220, now seen corresponding path program 1 times [2024-11-28 04:31:51,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:51,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274621085] [2024-11-28 04:31:51,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:51,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:51,257 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 04:31:51,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:51,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274621085] [2024-11-28 04:31:51,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274621085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:51,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:51,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:31:51,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947762406] [2024-11-28 04:31:51,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:51,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:31:51,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:51,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:31:51,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:31:51,259 INFO L87 Difference]: Start difference. First operand 3970 states and 5347 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 04:31:52,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:52,762 INFO L93 Difference]: Finished difference Result 7828 states and 10614 transitions. [2024-11-28 04:31:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:31:52,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-11-28 04:31:52,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:52,776 INFO L225 Difference]: With dead ends: 7828 [2024-11-28 04:31:52,776 INFO L226 Difference]: Without dead ends: 5212 [2024-11-28 04:31:52,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:31:52,784 INFO L435 NwaCegarLoop]: 883 mSDtfsCounter, 6411 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6411 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:52,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6411 Valid, 1216 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 04:31:52,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5212 states. [2024-11-28 04:31:52,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5212 to 5202. [2024-11-28 04:31:52,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5202 states, 5196 states have (on average 1.3525789068514242) internal successors, (7028), 5201 states have internal predecessors, (7028), 0 states have call successors, (0), 0 states 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 04:31:52,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5202 states to 5202 states and 7028 transitions. [2024-11-28 04:31:52,878 INFO L78 Accepts]: Start accepts. Automaton has 5202 states and 7028 transitions. Word has length 67 [2024-11-28 04:31:52,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:52,878 INFO L471 AbstractCegarLoop]: Abstraction has 5202 states and 7028 transitions. [2024-11-28 04:31:52,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 04:31:52,879 INFO L276 IsEmpty]: Start isEmpty. Operand 5202 states and 7028 transitions. [2024-11-28 04:31:52,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 04:31:52,884 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:52,884 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] [2024-11-28 04:31:52,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:31:52,887 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:31:52,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:52,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1973300712, now seen corresponding path program 1 times [2024-11-28 04:31:52,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:52,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483668527] [2024-11-28 04:31:52,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:52,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:53,805 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 04:31:53,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:53,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483668527] [2024-11-28 04:31:53,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483668527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:53,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:53,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 04:31:53,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489332100] [2024-11-28 04:31:53,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:53,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:31:53,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:53,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:31:53,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:31:53,808 INFO L87 Difference]: Start difference. First operand 5202 states and 7028 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 04:31:56,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:56,576 INFO L93 Difference]: Finished difference Result 9743 states and 13577 transitions. [2024-11-28 04:31:56,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:31:56,577 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-11-28 04:31:56,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:56,599 INFO L225 Difference]: With dead ends: 9743 [2024-11-28 04:31:56,599 INFO L226 Difference]: Without dead ends: 9739 [2024-11-28 04:31:56,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:31:56,603 INFO L435 NwaCegarLoop]: 1516 mSDtfsCounter, 9207 mSDsluCounter, 10186 mSDsCounter, 0 mSdLazyCounter, 2288 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9207 SdHoareTripleChecker+Valid, 11702 SdHoareTripleChecker+Invalid, 2306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 2288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:56,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9207 Valid, 11702 Invalid, 2306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 2288 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 04:31:56,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9739 states. [2024-11-28 04:31:56,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9739 to 5198. [2024-11-28 04:31:56,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5198 states, 5193 states have (on average 1.3523974581166955) internal successors, (7023), 5197 states have internal predecessors, (7023), 0 states have call successors, (0), 0 states 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 04:31:56,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5198 states to 5198 states and 7023 transitions. [2024-11-28 04:31:56,710 INFO L78 Accepts]: Start accepts. Automaton has 5198 states and 7023 transitions. Word has length 67 [2024-11-28 04:31:56,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:56,711 INFO L471 AbstractCegarLoop]: Abstraction has 5198 states and 7023 transitions. [2024-11-28 04:31:56,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 04:31:56,711 INFO L276 IsEmpty]: Start isEmpty. Operand 5198 states and 7023 transitions. [2024-11-28 04:31:56,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-28 04:31:56,717 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:56,717 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] [2024-11-28 04:31:56,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:31:56,718 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:31:56,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:56,720 INFO L85 PathProgramCache]: Analyzing trace with hash -495050815, now seen corresponding path program 1 times [2024-11-28 04:31:56,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:56,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131880745] [2024-11-28 04:31:56,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:56,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:57,132 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 04:31:57,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:57,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131880745] [2024-11-28 04:31:57,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131880745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:57,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:57,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:31:57,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045490740] [2024-11-28 04:31:57,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:57,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:31:57,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:57,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:31:57,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:31:57,134 INFO L87 Difference]: Start difference. First operand 5198 states and 7023 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:00,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:00,416 INFO L93 Difference]: Finished difference Result 7843 states and 10860 transitions. [2024-11-28 04:32:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:32:00,417 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2024-11-28 04:32:00,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:00,429 INFO L225 Difference]: With dead ends: 7843 [2024-11-28 04:32:00,429 INFO L226 Difference]: Without dead ends: 6558 [2024-11-28 04:32:00,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:32:00,433 INFO L435 NwaCegarLoop]: 968 mSDtfsCounter, 6567 mSDsluCounter, 4054 mSDsCounter, 0 mSdLazyCounter, 4897 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6567 SdHoareTripleChecker+Valid, 5022 SdHoareTripleChecker+Invalid, 4927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 4897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:00,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6567 Valid, 5022 Invalid, 4927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 4897 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-28 04:32:00,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6558 states. [2024-11-28 04:32:00,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6558 to 5151. [2024-11-28 04:32:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5151 states, 5146 states have (on average 1.351535172949864) internal successors, (6955), 5150 states have internal predecessors, (6955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:00,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5151 states to 5151 states and 6955 transitions. [2024-11-28 04:32:00,568 INFO L78 Accepts]: Start accepts. Automaton has 5151 states and 6955 transitions. Word has length 68 [2024-11-28 04:32:00,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:00,568 INFO L471 AbstractCegarLoop]: Abstraction has 5151 states and 6955 transitions. [2024-11-28 04:32:00,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:00,568 INFO L276 IsEmpty]: Start isEmpty. Operand 5151 states and 6955 transitions. [2024-11-28 04:32:00,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-28 04:32:00,573 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:00,573 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] [2024-11-28 04:32:00,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:32:00,574 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:00,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:00,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1711266081, now seen corresponding path program 1 times [2024-11-28 04:32:00,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:00,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468330922] [2024-11-28 04:32:00,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:00,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:00,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:00,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468330922] [2024-11-28 04:32:00,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468330922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:00,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:00,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:32:00,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657321488] [2024-11-28 04:32:00,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:00,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:32:00,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:00,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:32:00,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:32:00,959 INFO L87 Difference]: Start difference. First operand 5151 states and 6955 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:03,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:03,976 INFO L93 Difference]: Finished difference Result 9034 states and 12598 transitions. [2024-11-28 04:32:03,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:32:03,978 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2024-11-28 04:32:03,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:03,993 INFO L225 Difference]: With dead ends: 9034 [2024-11-28 04:32:03,993 INFO L226 Difference]: Without dead ends: 9026 [2024-11-28 04:32:03,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:32:03,997 INFO L435 NwaCegarLoop]: 988 mSDtfsCounter, 6356 mSDsluCounter, 3927 mSDsCounter, 0 mSdLazyCounter, 4748 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6356 SdHoareTripleChecker+Valid, 4915 SdHoareTripleChecker+Invalid, 4788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 4748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:03,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6356 Valid, 4915 Invalid, 4788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 4748 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-28 04:32:04,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9026 states. [2024-11-28 04:32:04,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9026 to 5151. [2024-11-28 04:32:04,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5151 states, 5146 states have (on average 1.3513408472600077) internal successors, (6954), 5150 states have internal predecessors, (6954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:04,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5151 states to 5151 states and 6954 transitions. [2024-11-28 04:32:04,169 INFO L78 Accepts]: Start accepts. Automaton has 5151 states and 6954 transitions. Word has length 69 [2024-11-28 04:32:04,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:04,169 INFO L471 AbstractCegarLoop]: Abstraction has 5151 states and 6954 transitions. [2024-11-28 04:32:04,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:04,169 INFO L276 IsEmpty]: Start isEmpty. Operand 5151 states and 6954 transitions. [2024-11-28 04:32:04,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-28 04:32:04,174 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:04,174 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] [2024-11-28 04:32:04,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:32:04,174 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:04,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:04,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1460371581, now seen corresponding path program 1 times [2024-11-28 04:32:04,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:04,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249046071] [2024-11-28 04:32:04,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:04,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:04,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:04,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:04,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249046071] [2024-11-28 04:32:04,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249046071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:04,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:04,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 04:32:04,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688565597] [2024-11-28 04:32:04,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:04,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:32:04,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:04,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:32:04,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:32:04,944 INFO L87 Difference]: Start difference. First operand 5151 states and 6954 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:07,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:07,293 INFO L93 Difference]: Finished difference Result 10636 states and 14879 transitions. [2024-11-28 04:32:07,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:32:07,294 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2024-11-28 04:32:07,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:07,307 INFO L225 Difference]: With dead ends: 10636 [2024-11-28 04:32:07,307 INFO L226 Difference]: Without dead ends: 9348 [2024-11-28 04:32:07,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:32:07,311 INFO L435 NwaCegarLoop]: 1626 mSDtfsCounter, 10948 mSDsluCounter, 8236 mSDsCounter, 0 mSdLazyCounter, 2011 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10948 SdHoareTripleChecker+Valid, 9862 SdHoareTripleChecker+Invalid, 2016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:07,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10948 Valid, 9862 Invalid, 2016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2011 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 04:32:07,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9348 states. [2024-11-28 04:32:07,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9348 to 5161. [2024-11-28 04:32:07,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5161 states, 5156 states have (on average 1.3512412723041116) internal successors, (6967), 5160 states have internal predecessors, (6967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:07,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5161 states to 5161 states and 6967 transitions. [2024-11-28 04:32:07,481 INFO L78 Accepts]: Start accepts. Automaton has 5161 states and 6967 transitions. Word has length 69 [2024-11-28 04:32:07,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:07,481 INFO L471 AbstractCegarLoop]: Abstraction has 5161 states and 6967 transitions. [2024-11-28 04:32:07,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:07,481 INFO L276 IsEmpty]: Start isEmpty. Operand 5161 states and 6967 transitions. [2024-11-28 04:32:07,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-28 04:32:07,486 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:07,486 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] [2024-11-28 04:32:07,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:32:07,486 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:07,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:07,487 INFO L85 PathProgramCache]: Analyzing trace with hash 928751966, now seen corresponding path program 1 times [2024-11-28 04:32:07,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:07,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954607575] [2024-11-28 04:32:07,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:07,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:07,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:07,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:07,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954607575] [2024-11-28 04:32:07,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954607575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:07,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:07,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:32:07,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566014204] [2024-11-28 04:32:07,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:07,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:32:07,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:07,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:32:07,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:32:07,809 INFO L87 Difference]: Start difference. First operand 5161 states and 6967 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:10,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:10,326 INFO L93 Difference]: Finished difference Result 8967 states and 12524 transitions. [2024-11-28 04:32:10,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:32:10,327 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2024-11-28 04:32:10,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:10,338 INFO L225 Difference]: With dead ends: 8967 [2024-11-28 04:32:10,338 INFO L226 Difference]: Without dead ends: 7714 [2024-11-28 04:32:10,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:32:10,342 INFO L435 NwaCegarLoop]: 984 mSDtfsCounter, 9148 mSDsluCounter, 3015 mSDsCounter, 0 mSdLazyCounter, 3935 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9148 SdHoareTripleChecker+Valid, 3999 SdHoareTripleChecker+Invalid, 3974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 3935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:10,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9148 Valid, 3999 Invalid, 3974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 3935 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-28 04:32:10,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7714 states. [2024-11-28 04:32:10,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7714 to 5161. [2024-11-28 04:32:10,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5161 states, 5156 states have (on average 1.3510473235065943) internal successors, (6966), 5160 states have internal predecessors, (6966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:10,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5161 states to 5161 states and 6966 transitions. [2024-11-28 04:32:10,450 INFO L78 Accepts]: Start accepts. Automaton has 5161 states and 6966 transitions. Word has length 70 [2024-11-28 04:32:10,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:10,450 INFO L471 AbstractCegarLoop]: Abstraction has 5161 states and 6966 transitions. [2024-11-28 04:32:10,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:10,450 INFO L276 IsEmpty]: Start isEmpty. Operand 5161 states and 6966 transitions. [2024-11-28 04:32:10,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-28 04:32:10,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:10,455 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] [2024-11-28 04:32:10,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:32:10,456 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:10,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:10,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1006800076, now seen corresponding path program 1 times [2024-11-28 04:32:10,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:10,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989690694] [2024-11-28 04:32:10,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:10,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:11,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:11,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:11,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989690694] [2024-11-28 04:32:11,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989690694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:11,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:11,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 04:32:11,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381785714] [2024-11-28 04:32:11,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:11,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:32:11,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:11,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:32:11,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:32:11,437 INFO L87 Difference]: Start difference. First operand 5161 states and 6966 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:13,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:13,464 INFO L93 Difference]: Finished difference Result 6457 states and 8775 transitions. [2024-11-28 04:32:13,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:32:13,465 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2024-11-28 04:32:13,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:13,470 INFO L225 Difference]: With dead ends: 6457 [2024-11-28 04:32:13,470 INFO L226 Difference]: Without dead ends: 6446 [2024-11-28 04:32:13,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:32:13,472 INFO L435 NwaCegarLoop]: 1667 mSDtfsCounter, 8178 mSDsluCounter, 9562 mSDsCounter, 0 mSdLazyCounter, 1831 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8178 SdHoareTripleChecker+Valid, 11229 SdHoareTripleChecker+Invalid, 1846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:13,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8178 Valid, 11229 Invalid, 1846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1831 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 04:32:13,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6446 states. [2024-11-28 04:32:13,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6446 to 5155. [2024-11-28 04:32:13,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5155 states, 5150 states have (on average 1.35126213592233) internal successors, (6959), 5154 states have internal predecessors, (6959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:13,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 5155 states and 6959 transitions. [2024-11-28 04:32:13,554 INFO L78 Accepts]: Start accepts. Automaton has 5155 states and 6959 transitions. Word has length 70 [2024-11-28 04:32:13,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:13,555 INFO L471 AbstractCegarLoop]: Abstraction has 5155 states and 6959 transitions. [2024-11-28 04:32:13,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:13,555 INFO L276 IsEmpty]: Start isEmpty. Operand 5155 states and 6959 transitions. [2024-11-28 04:32:13,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-28 04:32:13,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:13,560 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] [2024-11-28 04:32:13,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:32:13,560 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:13,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:13,561 INFO L85 PathProgramCache]: Analyzing trace with hash -412310474, now seen corresponding path program 1 times [2024-11-28 04:32:13,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:13,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127852936] [2024-11-28 04:32:13,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:13,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:13,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:13,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:13,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127852936] [2024-11-28 04:32:13,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127852936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:13,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:13,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:13,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954307699] [2024-11-28 04:32:13,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:13,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:13,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:13,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:13,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:13,639 INFO L87 Difference]: Start difference. First operand 5155 states and 6959 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:13,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:13,910 INFO L93 Difference]: Finished difference Result 10242 states and 14008 transitions. [2024-11-28 04:32:13,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:13,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2024-11-28 04:32:13,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:13,918 INFO L225 Difference]: With dead ends: 10242 [2024-11-28 04:32:13,918 INFO L226 Difference]: Without dead ends: 6186 [2024-11-28 04:32:13,922 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 04:32:13,923 INFO L435 NwaCegarLoop]: 1550 mSDtfsCounter, 1551 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 2110 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:13,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 2110 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:32:13,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6186 states. [2024-11-28 04:32:14,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6186 to 6176. [2024-11-28 04:32:14,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6176 states, 6172 states have (on average 1.3522359040829552) internal successors, (8346), 6175 states have internal predecessors, (8346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:14,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6176 states to 6176 states and 8346 transitions. [2024-11-28 04:32:14,075 INFO L78 Accepts]: Start accepts. Automaton has 6176 states and 8346 transitions. Word has length 70 [2024-11-28 04:32:14,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:14,075 INFO L471 AbstractCegarLoop]: Abstraction has 6176 states and 8346 transitions. [2024-11-28 04:32:14,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:14,075 INFO L276 IsEmpty]: Start isEmpty. Operand 6176 states and 8346 transitions. [2024-11-28 04:32:14,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-28 04:32:14,081 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:14,081 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] [2024-11-28 04:32:14,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:32:14,081 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:14,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:14,082 INFO L85 PathProgramCache]: Analyzing trace with hash 2065139775, now seen corresponding path program 1 times [2024-11-28 04:32:14,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:14,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965339830] [2024-11-28 04:32:14,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:14,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:14,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:14,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:14,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965339830] [2024-11-28 04:32:14,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965339830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:14,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:14,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:14,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782449044] [2024-11-28 04:32:14,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:14,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:14,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:14,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:14,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:14,164 INFO L87 Difference]: Start difference. First operand 6176 states and 8346 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:14,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:14,344 INFO L93 Difference]: Finished difference Result 9910 states and 13829 transitions. [2024-11-28 04:32:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:14,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2024-11-28 04:32:14,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:14,353 INFO L225 Difference]: With dead ends: 9910 [2024-11-28 04:32:14,353 INFO L226 Difference]: Without dead ends: 5892 [2024-11-28 04:32:14,358 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 04:32:14,359 INFO L435 NwaCegarLoop]: 1242 mSDtfsCounter, 1198 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1198 SdHoareTripleChecker+Valid, 1719 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:14,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1198 Valid, 1719 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:14,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5892 states. [2024-11-28 04:32:14,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5892 to 5888. [2024-11-28 04:32:14,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5888 states, 5886 states have (on average 1.385321100917431) internal successors, (8154), 5887 states have internal predecessors, (8154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:14,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5888 states to 5888 states and 8154 transitions. [2024-11-28 04:32:14,484 INFO L78 Accepts]: Start accepts. Automaton has 5888 states and 8154 transitions. Word has length 70 [2024-11-28 04:32:14,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:14,485 INFO L471 AbstractCegarLoop]: Abstraction has 5888 states and 8154 transitions. [2024-11-28 04:32:14,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:14,485 INFO L276 IsEmpty]: Start isEmpty. Operand 5888 states and 8154 transitions. [2024-11-28 04:32:14,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-28 04:32:14,492 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:14,492 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] [2024-11-28 04:32:14,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:32:14,492 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:14,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:14,493 INFO L85 PathProgramCache]: Analyzing trace with hash -366010450, now seen corresponding path program 1 times [2024-11-28 04:32:14,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:14,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270413377] [2024-11-28 04:32:14,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:14,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:14,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:14,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270413377] [2024-11-28 04:32:14,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270413377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:14,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:14,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:32:14,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976029468] [2024-11-28 04:32:14,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:14,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:32:14,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:14,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:32:14,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:32:14,834 INFO L87 Difference]: Start difference. First operand 5888 states and 8154 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:16,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:16,990 INFO L93 Difference]: Finished difference Result 10818 states and 15428 transitions. [2024-11-28 04:32:16,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:32:16,991 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2024-11-28 04:32:16,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:16,996 INFO L225 Difference]: With dead ends: 10818 [2024-11-28 04:32:16,996 INFO L226 Difference]: Without dead ends: 8056 [2024-11-28 04:32:16,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:32:17,000 INFO L435 NwaCegarLoop]: 672 mSDtfsCounter, 4643 mSDsluCounter, 2851 mSDsCounter, 0 mSdLazyCounter, 3286 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4643 SdHoareTripleChecker+Valid, 3523 SdHoareTripleChecker+Invalid, 3309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 3286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:17,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4643 Valid, 3523 Invalid, 3309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 3286 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 04:32:17,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8056 states. [2024-11-28 04:32:17,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8056 to 5888. [2024-11-28 04:32:17,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5888 states, 5886 states have (on average 1.3851512062521236) internal successors, (8153), 5887 states have internal predecessors, (8153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:17,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5888 states to 5888 states and 8153 transitions. [2024-11-28 04:32:17,087 INFO L78 Accepts]: Start accepts. Automaton has 5888 states and 8153 transitions. Word has length 71 [2024-11-28 04:32:17,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:17,087 INFO L471 AbstractCegarLoop]: Abstraction has 5888 states and 8153 transitions. [2024-11-28 04:32:17,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:17,087 INFO L276 IsEmpty]: Start isEmpty. Operand 5888 states and 8153 transitions. [2024-11-28 04:32:17,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-28 04:32:17,092 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:17,093 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] [2024-11-28 04:32:17,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:32:17,093 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:17,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:17,094 INFO L85 PathProgramCache]: Analyzing trace with hash 2088289519, now seen corresponding path program 1 times [2024-11-28 04:32:17,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:17,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25570351] [2024-11-28 04:32:17,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:17,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:17,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:17,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:17,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25570351] [2024-11-28 04:32:17,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25570351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:17,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:17,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:17,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694023474] [2024-11-28 04:32:17,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:17,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:17,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:17,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:17,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:17,172 INFO L87 Difference]: Start difference. First operand 5888 states and 8153 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:17,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:17,261 INFO L93 Difference]: Finished difference Result 10066 states and 14614 transitions. [2024-11-28 04:32:17,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:17,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2024-11-28 04:32:17,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:17,270 INFO L225 Difference]: With dead ends: 10066 [2024-11-28 04:32:17,270 INFO L226 Difference]: Without dead ends: 6923 [2024-11-28 04:32:17,274 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 04:32:17,275 INFO L435 NwaCegarLoop]: 1276 mSDtfsCounter, 723 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 1870 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:17,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 1870 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:17,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6923 states. [2024-11-28 04:32:17,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6923 to 5595. [2024-11-28 04:32:17,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5595 states, 5593 states have (on average 1.414446629715716) internal successors, (7911), 5594 states have internal predecessors, (7911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:17,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5595 states to 5595 states and 7911 transitions. [2024-11-28 04:32:17,359 INFO L78 Accepts]: Start accepts. Automaton has 5595 states and 7911 transitions. Word has length 71 [2024-11-28 04:32:17,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:17,359 INFO L471 AbstractCegarLoop]: Abstraction has 5595 states and 7911 transitions. [2024-11-28 04:32:17,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:17,359 INFO L276 IsEmpty]: Start isEmpty. Operand 5595 states and 7911 transitions. [2024-11-28 04:32:17,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-28 04:32:17,363 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:17,363 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] [2024-11-28 04:32:17,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:32:17,363 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:17,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:17,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1698940947, now seen corresponding path program 1 times [2024-11-28 04:32:17,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:17,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175434713] [2024-11-28 04:32:17,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:17,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:17,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:17,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:17,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175434713] [2024-11-28 04:32:17,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175434713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:17,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:17,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 04:32:17,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001507314] [2024-11-28 04:32:17,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:17,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:32:17,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:17,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:32:17,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:32:17,887 INFO L87 Difference]: Start difference. First operand 5595 states and 7911 transitions. Second operand has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 13 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:21,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:21,122 INFO L93 Difference]: Finished difference Result 8996 states and 12758 transitions. [2024-11-28 04:32:21,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:32:21,122 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 13 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2024-11-28 04:32:21,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:21,128 INFO L225 Difference]: With dead ends: 8996 [2024-11-28 04:32:21,128 INFO L226 Difference]: Without dead ends: 8004 [2024-11-28 04:32:21,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2024-11-28 04:32:21,131 INFO L435 NwaCegarLoop]: 666 mSDtfsCounter, 4808 mSDsluCounter, 4005 mSDsCounter, 0 mSdLazyCounter, 4479 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4808 SdHoareTripleChecker+Valid, 4671 SdHoareTripleChecker+Invalid, 4528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 4479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:21,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4808 Valid, 4671 Invalid, 4528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 4479 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-28 04:32:21,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8004 states. [2024-11-28 04:32:21,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8004 to 5595. [2024-11-28 04:32:21,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5595 states, 5593 states have (on average 1.4140890398712676) internal successors, (7909), 5594 states have internal predecessors, (7909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:21,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5595 states to 5595 states and 7909 transitions. [2024-11-28 04:32:21,221 INFO L78 Accepts]: Start accepts. Automaton has 5595 states and 7909 transitions. Word has length 71 [2024-11-28 04:32:21,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:21,221 INFO L471 AbstractCegarLoop]: Abstraction has 5595 states and 7909 transitions. [2024-11-28 04:32:21,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 13 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:21,222 INFO L276 IsEmpty]: Start isEmpty. Operand 5595 states and 7909 transitions. [2024-11-28 04:32:21,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-28 04:32:21,225 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:21,225 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] [2024-11-28 04:32:21,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:32:21,226 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:21,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:21,226 INFO L85 PathProgramCache]: Analyzing trace with hash -55423323, now seen corresponding path program 1 times [2024-11-28 04:32:21,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:21,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109930823] [2024-11-28 04:32:21,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:21,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:21,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:21,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:21,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109930823] [2024-11-28 04:32:21,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109930823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:21,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:21,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 04:32:21,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526211694] [2024-11-28 04:32:21,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:21,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:32:21,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:21,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:32:21,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:32:21,716 INFO L87 Difference]: Start difference. First operand 5595 states and 7909 transitions. Second operand has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:24,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:24,223 INFO L93 Difference]: Finished difference Result 7993 states and 11307 transitions. [2024-11-28 04:32:24,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:32:24,224 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2024-11-28 04:32:24,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:24,229 INFO L225 Difference]: With dead ends: 7993 [2024-11-28 04:32:24,229 INFO L226 Difference]: Without dead ends: 7139 [2024-11-28 04:32:24,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=160, Invalid=440, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:32:24,232 INFO L435 NwaCegarLoop]: 680 mSDtfsCounter, 3412 mSDsluCounter, 3405 mSDsCounter, 0 mSdLazyCounter, 3627 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3412 SdHoareTripleChecker+Valid, 4085 SdHoareTripleChecker+Invalid, 3667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 3627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:24,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3412 Valid, 4085 Invalid, 3667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 3627 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-28 04:32:24,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7139 states. [2024-11-28 04:32:24,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7139 to 5595. [2024-11-28 04:32:24,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5595 states, 5593 states have (on average 1.4137314500268192) internal successors, (7907), 5594 states have internal predecessors, (7907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:24,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5595 states to 5595 states and 7907 transitions. [2024-11-28 04:32:24,321 INFO L78 Accepts]: Start accepts. Automaton has 5595 states and 7907 transitions. Word has length 71 [2024-11-28 04:32:24,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:24,321 INFO L471 AbstractCegarLoop]: Abstraction has 5595 states and 7907 transitions. [2024-11-28 04:32:24,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:24,321 INFO L276 IsEmpty]: Start isEmpty. Operand 5595 states and 7907 transitions. [2024-11-28 04:32:24,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-28 04:32:24,325 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:24,325 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] [2024-11-28 04:32:24,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 04:32:24,325 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:24,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:24,326 INFO L85 PathProgramCache]: Analyzing trace with hash -787185527, now seen corresponding path program 1 times [2024-11-28 04:32:24,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:24,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973069392] [2024-11-28 04:32:24,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:24,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:24,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:24,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:24,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973069392] [2024-11-28 04:32:24,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973069392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:24,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:24,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:32:24,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838298496] [2024-11-28 04:32:24,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:24,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:32:24,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:24,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:32:24,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:32:24,680 INFO L87 Difference]: Start difference. First operand 5595 states and 7907 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:26,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:26,858 INFO L93 Difference]: Finished difference Result 7830 states and 11184 transitions. [2024-11-28 04:32:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:32:26,859 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2024-11-28 04:32:26,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:26,864 INFO L225 Difference]: With dead ends: 7830 [2024-11-28 04:32:26,864 INFO L226 Difference]: Without dead ends: 6791 [2024-11-28 04:32:26,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:32:26,867 INFO L435 NwaCegarLoop]: 657 mSDtfsCounter, 5190 mSDsluCounter, 3209 mSDsCounter, 0 mSdLazyCounter, 3554 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5190 SdHoareTripleChecker+Valid, 3866 SdHoareTripleChecker+Invalid, 3562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 3554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:26,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5190 Valid, 3866 Invalid, 3562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 3554 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 04:32:26,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6791 states. [2024-11-28 04:32:26,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6791 to 5595. [2024-11-28 04:32:26,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5595 states, 5593 states have (on average 1.413552655104595) internal successors, (7906), 5594 states have internal predecessors, (7906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:26,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5595 states to 5595 states and 7906 transitions. [2024-11-28 04:32:26,924 INFO L78 Accepts]: Start accepts. Automaton has 5595 states and 7906 transitions. Word has length 71 [2024-11-28 04:32:26,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:26,925 INFO L471 AbstractCegarLoop]: Abstraction has 5595 states and 7906 transitions. [2024-11-28 04:32:26,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 9 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:26,925 INFO L276 IsEmpty]: Start isEmpty. Operand 5595 states and 7906 transitions. [2024-11-28 04:32:26,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-28 04:32:26,928 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:26,928 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] [2024-11-28 04:32:26,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 04:32:26,928 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:26,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:26,928 INFO L85 PathProgramCache]: Analyzing trace with hash -672526792, now seen corresponding path program 1 times [2024-11-28 04:32:26,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:26,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20698425] [2024-11-28 04:32:26,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:26,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:27,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:27,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:27,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20698425] [2024-11-28 04:32:27,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20698425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:27,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:27,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:27,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707813630] [2024-11-28 04:32:27,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:27,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:27,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:27,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:27,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:27,008 INFO L87 Difference]: Start difference. First operand 5595 states and 7906 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:27,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:27,129 INFO L93 Difference]: Finished difference Result 12052 states and 17763 transitions. [2024-11-28 04:32:27,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:27,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2024-11-28 04:32:27,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:27,139 INFO L225 Difference]: With dead ends: 12052 [2024-11-28 04:32:27,139 INFO L226 Difference]: Without dead ends: 8145 [2024-11-28 04:32:27,144 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 04:32:27,145 INFO L435 NwaCegarLoop]: 1299 mSDtfsCounter, 742 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:27,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [742 Valid, 1848 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:27,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8145 states. [2024-11-28 04:32:27,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8145 to 8143. [2024-11-28 04:32:27,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8143 states, 8141 states have (on average 1.4463825082913646) internal successors, (11775), 8142 states have internal predecessors, (11775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:27,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8143 states to 8143 states and 11775 transitions. [2024-11-28 04:32:27,274 INFO L78 Accepts]: Start accepts. Automaton has 8143 states and 11775 transitions. Word has length 72 [2024-11-28 04:32:27,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:27,274 INFO L471 AbstractCegarLoop]: Abstraction has 8143 states and 11775 transitions. [2024-11-28 04:32:27,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:27,274 INFO L276 IsEmpty]: Start isEmpty. Operand 8143 states and 11775 transitions. [2024-11-28 04:32:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-28 04:32:27,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:27,280 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] [2024-11-28 04:32:27,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 04:32:27,280 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:27,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:27,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1396973598, now seen corresponding path program 1 times [2024-11-28 04:32:27,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:27,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452260148] [2024-11-28 04:32:27,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:27,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:27,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:27,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:27,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452260148] [2024-11-28 04:32:27,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452260148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:27,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:27,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:27,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316112352] [2024-11-28 04:32:27,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:27,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:27,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:27,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:27,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:27,364 INFO L87 Difference]: Start difference. First operand 8143 states and 11775 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:27,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:27,506 INFO L93 Difference]: Finished difference Result 20657 states and 30470 transitions. [2024-11-28 04:32:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:27,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2024-11-28 04:32:27,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:27,524 INFO L225 Difference]: With dead ends: 20657 [2024-11-28 04:32:27,524 INFO L226 Difference]: Without dead ends: 13980 [2024-11-28 04:32:27,531 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 04:32:27,535 INFO L435 NwaCegarLoop]: 1375 mSDtfsCounter, 772 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 2364 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:27,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 2364 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:27,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13980 states. [2024-11-28 04:32:27,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13980 to 13978. [2024-11-28 04:32:27,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13978 states, 13976 states have (on average 1.4471951917572983) internal successors, (20226), 13977 states have internal predecessors, (20226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:27,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13978 states to 13978 states and 20226 transitions. [2024-11-28 04:32:27,707 INFO L78 Accepts]: Start accepts. Automaton has 13978 states and 20226 transitions. Word has length 72 [2024-11-28 04:32:27,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:27,708 INFO L471 AbstractCegarLoop]: Abstraction has 13978 states and 20226 transitions. [2024-11-28 04:32:27,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:27,708 INFO L276 IsEmpty]: Start isEmpty. Operand 13978 states and 20226 transitions. [2024-11-28 04:32:27,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-28 04:32:27,712 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:27,712 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] [2024-11-28 04:32:27,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 04:32:27,712 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:27,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:27,712 INFO L85 PathProgramCache]: Analyzing trace with hash -449647948, now seen corresponding path program 1 times [2024-11-28 04:32:27,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:27,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570879571] [2024-11-28 04:32:27,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:27,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:28,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:28,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570879571] [2024-11-28 04:32:28,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570879571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:28,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:28,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 04:32:28,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112471119] [2024-11-28 04:32:28,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:28,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:32:28,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:28,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:32:28,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:32:28,236 INFO L87 Difference]: Start difference. First operand 13978 states and 20226 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 11 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:31,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:31,050 INFO L93 Difference]: Finished difference Result 42440 states and 61670 transitions. [2024-11-28 04:32:31,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 04:32:31,051 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 11 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2024-11-28 04:32:31,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:31,092 INFO L225 Difference]: With dead ends: 42440 [2024-11-28 04:32:31,093 INFO L226 Difference]: Without dead ends: 42236 [2024-11-28 04:32:31,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=273, Invalid=719, Unknown=0, NotChecked=0, Total=992 [2024-11-28 04:32:31,102 INFO L435 NwaCegarLoop]: 646 mSDtfsCounter, 9819 mSDsluCounter, 2693 mSDsCounter, 0 mSdLazyCounter, 3173 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9819 SdHoareTripleChecker+Valid, 3339 SdHoareTripleChecker+Invalid, 3455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 3173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:31,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9819 Valid, 3339 Invalid, 3455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 3173 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 04:32:31,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42236 states. [2024-11-28 04:32:31,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42236 to 13982. [2024-11-28 04:32:31,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13982 states, 13980 states have (on average 1.4470672389127324) internal successors, (20230), 13981 states have internal predecessors, (20230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:31,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13982 states to 13982 states and 20230 transitions. [2024-11-28 04:32:31,374 INFO L78 Accepts]: Start accepts. Automaton has 13982 states and 20230 transitions. Word has length 73 [2024-11-28 04:32:31,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:31,375 INFO L471 AbstractCegarLoop]: Abstraction has 13982 states and 20230 transitions. [2024-11-28 04:32:31,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 11 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:31,375 INFO L276 IsEmpty]: Start isEmpty. Operand 13982 states and 20230 transitions. [2024-11-28 04:32:31,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-28 04:32:31,379 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:31,379 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] [2024-11-28 04:32:31,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 04:32:31,379 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:31,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:31,380 INFO L85 PathProgramCache]: Analyzing trace with hash -336627394, now seen corresponding path program 1 times [2024-11-28 04:32:31,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:31,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512598527] [2024-11-28 04:32:31,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:31,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:31,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:31,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:31,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512598527] [2024-11-28 04:32:31,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512598527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:31,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:31,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:31,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591675541] [2024-11-28 04:32:31,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:31,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:31,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:31,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:31,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:31,451 INFO L87 Difference]: Start difference. First operand 13982 states and 20230 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:31,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:31,683 INFO L93 Difference]: Finished difference Result 29142 states and 42711 transitions. [2024-11-28 04:32:31,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:31,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2024-11-28 04:32:31,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:31,703 INFO L225 Difference]: With dead ends: 29142 [2024-11-28 04:32:31,703 INFO L226 Difference]: Without dead ends: 16098 [2024-11-28 04:32:31,712 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 04:32:31,713 INFO L435 NwaCegarLoop]: 1209 mSDtfsCounter, 1112 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:31,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 1607 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:31,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16098 states. [2024-11-28 04:32:31,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16098 to 12897. [2024-11-28 04:32:31,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12897 states, 12895 states have (on average 1.4615742535866616) internal successors, (18847), 12896 states have internal predecessors, (18847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:31,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12897 states to 12897 states and 18847 transitions. [2024-11-28 04:32:31,893 INFO L78 Accepts]: Start accepts. Automaton has 12897 states and 18847 transitions. Word has length 73 [2024-11-28 04:32:31,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:31,893 INFO L471 AbstractCegarLoop]: Abstraction has 12897 states and 18847 transitions. [2024-11-28 04:32:31,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:31,893 INFO L276 IsEmpty]: Start isEmpty. Operand 12897 states and 18847 transitions. [2024-11-28 04:32:31,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-28 04:32:31,896 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:31,896 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] [2024-11-28 04:32:31,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 04:32:31,896 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:31,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:31,898 INFO L85 PathProgramCache]: Analyzing trace with hash 874893139, now seen corresponding path program 1 times [2024-11-28 04:32:31,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:31,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552122717] [2024-11-28 04:32:31,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:31,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:32,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:32,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:32,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552122717] [2024-11-28 04:32:32,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552122717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:32,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:32,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:32:32,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696823371] [2024-11-28 04:32:32,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:32,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:32:32,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:32,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:32:32,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:32:32,211 INFO L87 Difference]: Start difference. First operand 12897 states and 18847 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:34,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:34,045 INFO L93 Difference]: Finished difference Result 16615 states and 24103 transitions. [2024-11-28 04:32:34,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:32:34,046 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-28 04:32:34,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:34,058 INFO L225 Difference]: With dead ends: 16615 [2024-11-28 04:32:34,058 INFO L226 Difference]: Without dead ends: 16395 [2024-11-28 04:32:34,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:32:34,062 INFO L435 NwaCegarLoop]: 662 mSDtfsCounter, 5691 mSDsluCounter, 2081 mSDsCounter, 0 mSdLazyCounter, 2527 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5691 SdHoareTripleChecker+Valid, 2743 SdHoareTripleChecker+Invalid, 2547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:34,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5691 Valid, 2743 Invalid, 2547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2527 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 04:32:34,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16395 states. [2024-11-28 04:32:34,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16395 to 12897. [2024-11-28 04:32:34,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12897 states, 12895 states have (on average 1.4614967041488949) internal successors, (18846), 12896 states have internal predecessors, (18846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:34,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12897 states to 12897 states and 18846 transitions. [2024-11-28 04:32:34,199 INFO L78 Accepts]: Start accepts. Automaton has 12897 states and 18846 transitions. Word has length 74 [2024-11-28 04:32:34,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:34,199 INFO L471 AbstractCegarLoop]: Abstraction has 12897 states and 18846 transitions. [2024-11-28 04:32:34,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:34,199 INFO L276 IsEmpty]: Start isEmpty. Operand 12897 states and 18846 transitions. [2024-11-28 04:32:34,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-28 04:32:34,200 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:34,201 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] [2024-11-28 04:32:34,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 04:32:34,201 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:34,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:34,201 INFO L85 PathProgramCache]: Analyzing trace with hash 18726279, now seen corresponding path program 1 times [2024-11-28 04:32:34,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:34,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930865898] [2024-11-28 04:32:34,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:34,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:34,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:34,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:34,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930865898] [2024-11-28 04:32:34,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930865898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:34,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:34,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:32:34,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435180406] [2024-11-28 04:32:34,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:34,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:32:34,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:34,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:32:34,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:32:34,466 INFO L87 Difference]: Start difference. First operand 12897 states and 18846 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:36,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:36,094 INFO L93 Difference]: Finished difference Result 30870 states and 45430 transitions. [2024-11-28 04:32:36,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:32:36,095 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-28 04:32:36,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:36,117 INFO L225 Difference]: With dead ends: 30870 [2024-11-28 04:32:36,117 INFO L226 Difference]: Without dead ends: 30669 [2024-11-28 04:32:36,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:32:36,123 INFO L435 NwaCegarLoop]: 637 mSDtfsCounter, 5241 mSDsluCounter, 2193 mSDsCounter, 0 mSdLazyCounter, 2493 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5241 SdHoareTripleChecker+Valid, 2830 SdHoareTripleChecker+Invalid, 2514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:36,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5241 Valid, 2830 Invalid, 2514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2493 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 04:32:36,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30669 states. [2024-11-28 04:32:36,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30669 to 12897. [2024-11-28 04:32:36,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12897 states, 12895 states have (on average 1.4614191547111284) internal successors, (18845), 12896 states have internal predecessors, (18845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:36,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12897 states to 12897 states and 18845 transitions. [2024-11-28 04:32:36,291 INFO L78 Accepts]: Start accepts. Automaton has 12897 states and 18845 transitions. Word has length 74 [2024-11-28 04:32:36,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:36,292 INFO L471 AbstractCegarLoop]: Abstraction has 12897 states and 18845 transitions. [2024-11-28 04:32:36,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:36,292 INFO L276 IsEmpty]: Start isEmpty. Operand 12897 states and 18845 transitions. [2024-11-28 04:32:36,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-28 04:32:36,293 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:36,293 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] [2024-11-28 04:32:36,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 04:32:36,294 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:36,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:36,294 INFO L85 PathProgramCache]: Analyzing trace with hash 53628504, now seen corresponding path program 1 times [2024-11-28 04:32:36,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:36,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30633178] [2024-11-28 04:32:36,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:36,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:36,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:36,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:36,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30633178] [2024-11-28 04:32:36,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30633178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:36,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:36,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:32:36,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797478712] [2024-11-28 04:32:36,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:36,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:32:36,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:36,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:32:36,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:32:36,551 INFO L87 Difference]: Start difference. First operand 12897 states and 18845 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:38,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:38,193 INFO L93 Difference]: Finished difference Result 16615 states and 24100 transitions. [2024-11-28 04:32:38,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:32:38,194 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-28 04:32:38,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:38,206 INFO L225 Difference]: With dead ends: 16615 [2024-11-28 04:32:38,206 INFO L226 Difference]: Without dead ends: 16395 [2024-11-28 04:32:38,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:32:38,210 INFO L435 NwaCegarLoop]: 655 mSDtfsCounter, 2772 mSDsluCounter, 2056 mSDsCounter, 0 mSdLazyCounter, 2521 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2772 SdHoareTripleChecker+Valid, 2711 SdHoareTripleChecker+Invalid, 2540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:38,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2772 Valid, 2711 Invalid, 2540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2521 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 04:32:38,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16395 states. [2024-11-28 04:32:38,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16395 to 12897. [2024-11-28 04:32:38,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12897 states, 12895 states have (on average 1.4613416052733619) internal successors, (18844), 12896 states have internal predecessors, (18844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:38,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12897 states to 12897 states and 18844 transitions. [2024-11-28 04:32:38,341 INFO L78 Accepts]: Start accepts. Automaton has 12897 states and 18844 transitions. Word has length 74 [2024-11-28 04:32:38,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:38,341 INFO L471 AbstractCegarLoop]: Abstraction has 12897 states and 18844 transitions. [2024-11-28 04:32:38,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:38,341 INFO L276 IsEmpty]: Start isEmpty. Operand 12897 states and 18844 transitions. [2024-11-28 04:32:38,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-28 04:32:38,343 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:38,343 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] [2024-11-28 04:32:38,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 04:32:38,343 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:38,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:38,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1767617348, now seen corresponding path program 1 times [2024-11-28 04:32:38,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:38,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137999203] [2024-11-28 04:32:38,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:38,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:38,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:38,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137999203] [2024-11-28 04:32:38,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137999203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:38,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:38,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:38,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893263407] [2024-11-28 04:32:38,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:38,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:38,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:38,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:38,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:38,412 INFO L87 Difference]: Start difference. First operand 12897 states and 18844 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:38,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:38,562 INFO L93 Difference]: Finished difference Result 30439 states and 45135 transitions. [2024-11-28 04:32:38,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:38,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-28 04:32:38,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:38,585 INFO L225 Difference]: With dead ends: 30439 [2024-11-28 04:32:38,585 INFO L226 Difference]: Without dead ends: 18872 [2024-11-28 04:32:38,596 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 04:32:38,596 INFO L435 NwaCegarLoop]: 1235 mSDtfsCounter, 722 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 1713 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:38,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 1713 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:38,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18872 states. [2024-11-28 04:32:38,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18872 to 15165. [2024-11-28 04:32:38,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15165 states, 15163 states have (on average 1.4557805183670778) internal successors, (22074), 15164 states have internal predecessors, (22074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:38,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15165 states to 15165 states and 22074 transitions. [2024-11-28 04:32:38,883 INFO L78 Accepts]: Start accepts. Automaton has 15165 states and 22074 transitions. Word has length 74 [2024-11-28 04:32:38,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:38,884 INFO L471 AbstractCegarLoop]: Abstraction has 15165 states and 22074 transitions. [2024-11-28 04:32:38,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:38,884 INFO L276 IsEmpty]: Start isEmpty. Operand 15165 states and 22074 transitions. [2024-11-28 04:32:38,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-28 04:32:38,886 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:38,886 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] [2024-11-28 04:32:38,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 04:32:38,887 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:38,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:38,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1185358087, now seen corresponding path program 1 times [2024-11-28 04:32:38,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:38,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030717376] [2024-11-28 04:32:38,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:38,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:39,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:39,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:39,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030717376] [2024-11-28 04:32:39,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030717376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:39,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:39,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:32:39,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850270844] [2024-11-28 04:32:39,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:39,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:32:39,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:39,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:32:39,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:32:39,176 INFO L87 Difference]: Start difference. First operand 15165 states and 22074 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:40,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:40,702 INFO L93 Difference]: Finished difference Result 19367 states and 27983 transitions. [2024-11-28 04:32:40,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:32:40,703 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-28 04:32:40,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:40,717 INFO L225 Difference]: With dead ends: 19367 [2024-11-28 04:32:40,717 INFO L226 Difference]: Without dead ends: 19298 [2024-11-28 04:32:40,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:32:40,722 INFO L435 NwaCegarLoop]: 627 mSDtfsCounter, 5839 mSDsluCounter, 2004 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5839 SdHoareTripleChecker+Valid, 2631 SdHoareTripleChecker+Invalid, 2416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:40,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5839 Valid, 2631 Invalid, 2416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 04:32:40,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19298 states. [2024-11-28 04:32:40,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19298 to 15161. [2024-11-28 04:32:40,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15161 states, 15159 states have (on average 1.4558348176001055) internal successors, (22069), 15160 states have internal predecessors, (22069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:40,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15161 states to 15161 states and 22069 transitions. [2024-11-28 04:32:40,916 INFO L78 Accepts]: Start accepts. Automaton has 15161 states and 22069 transitions. Word has length 74 [2024-11-28 04:32:40,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:40,916 INFO L471 AbstractCegarLoop]: Abstraction has 15161 states and 22069 transitions. [2024-11-28 04:32:40,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:40,917 INFO L276 IsEmpty]: Start isEmpty. Operand 15161 states and 22069 transitions. [2024-11-28 04:32:40,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-28 04:32:40,918 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:40,918 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] [2024-11-28 04:32:40,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 04:32:40,919 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:40,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:40,919 INFO L85 PathProgramCache]: Analyzing trace with hash 548991209, now seen corresponding path program 1 times [2024-11-28 04:32:40,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:40,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360053982] [2024-11-28 04:32:40,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:40,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:41,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:41,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:41,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360053982] [2024-11-28 04:32:41,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360053982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:41,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:41,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:32:41,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428762627] [2024-11-28 04:32:41,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:41,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:32:41,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:41,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:32:41,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:32:41,172 INFO L87 Difference]: Start difference. First operand 15161 states and 22069 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:42,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:42,722 INFO L93 Difference]: Finished difference Result 19362 states and 27977 transitions. [2024-11-28 04:32:42,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:32:42,723 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-28 04:32:42,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:42,739 INFO L225 Difference]: With dead ends: 19362 [2024-11-28 04:32:42,739 INFO L226 Difference]: Without dead ends: 19293 [2024-11-28 04:32:42,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:32:42,745 INFO L435 NwaCegarLoop]: 622 mSDtfsCounter, 5807 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 2380 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5807 SdHoareTripleChecker+Valid, 2615 SdHoareTripleChecker+Invalid, 2400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:42,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5807 Valid, 2615 Invalid, 2400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2380 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 04:32:42,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19293 states. [2024-11-28 04:32:42,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19293 to 15156. [2024-11-28 04:32:42,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15156 states, 15154 states have (on average 1.455721261713079) internal successors, (22060), 15155 states have internal predecessors, (22060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:42,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15156 states to 15156 states and 22060 transitions. [2024-11-28 04:32:42,969 INFO L78 Accepts]: Start accepts. Automaton has 15156 states and 22060 transitions. Word has length 74 [2024-11-28 04:32:42,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:42,969 INFO L471 AbstractCegarLoop]: Abstraction has 15156 states and 22060 transitions. [2024-11-28 04:32:42,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:42,970 INFO L276 IsEmpty]: Start isEmpty. Operand 15156 states and 22060 transitions. [2024-11-28 04:32:42,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-28 04:32:42,971 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:42,972 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] [2024-11-28 04:32:42,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 04:32:42,972 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:42,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:42,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1653694593, now seen corresponding path program 1 times [2024-11-28 04:32:42,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:42,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209783230] [2024-11-28 04:32:42,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:42,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:43,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:43,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:43,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209783230] [2024-11-28 04:32:43,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209783230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:43,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:43,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 04:32:43,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161215229] [2024-11-28 04:32:43,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:43,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:32:43,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:43,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:32:43,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:32:43,608 INFO L87 Difference]: Start difference. First operand 15156 states and 22060 transitions. Second operand has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:45,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:45,222 INFO L93 Difference]: Finished difference Result 32483 states and 47274 transitions. [2024-11-28 04:32:45,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:32:45,223 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2024-11-28 04:32:45,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:45,256 INFO L225 Difference]: With dead ends: 32483 [2024-11-28 04:32:45,256 INFO L226 Difference]: Without dead ends: 32358 [2024-11-28 04:32:45,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:32:45,264 INFO L435 NwaCegarLoop]: 1021 mSDtfsCounter, 6093 mSDsluCounter, 6507 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6093 SdHoareTripleChecker+Valid, 7528 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:45,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6093 Valid, 7528 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 04:32:45,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32358 states. [2024-11-28 04:32:45,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32358 to 15095. [2024-11-28 04:32:45,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15095 states, 15094 states have (on average 1.4562077646747051) internal successors, (21980), 15094 states have internal predecessors, (21980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:45,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15095 states to 15095 states and 21980 transitions. [2024-11-28 04:32:45,524 INFO L78 Accepts]: Start accepts. Automaton has 15095 states and 21980 transitions. Word has length 76 [2024-11-28 04:32:45,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:45,524 INFO L471 AbstractCegarLoop]: Abstraction has 15095 states and 21980 transitions. [2024-11-28 04:32:45,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:45,524 INFO L276 IsEmpty]: Start isEmpty. Operand 15095 states and 21980 transitions. [2024-11-28 04:32:45,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-28 04:32:45,526 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:45,526 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] [2024-11-28 04:32:45,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 04:32:45,526 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:45,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:45,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1319372712, now seen corresponding path program 1 times [2024-11-28 04:32:45,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:45,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155576855] [2024-11-28 04:32:45,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:45,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:45,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:45,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155576855] [2024-11-28 04:32:45,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155576855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:45,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:45,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:32:45,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237173833] [2024-11-28 04:32:45,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:45,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:32:45,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:45,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:32:45,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:32:45,656 INFO L87 Difference]: Start difference. First operand 15095 states and 21980 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:45,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:45,998 INFO L93 Difference]: Finished difference Result 57927 states and 85063 transitions. [2024-11-28 04:32:45,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:32:45,998 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2024-11-28 04:32:45,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:46,048 INFO L225 Difference]: With dead ends: 57927 [2024-11-28 04:32:46,049 INFO L226 Difference]: Without dead ends: 43973 [2024-11-28 04:32:46,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:32:46,064 INFO L435 NwaCegarLoop]: 1076 mSDtfsCounter, 3797 mSDsluCounter, 1245 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3797 SdHoareTripleChecker+Valid, 2321 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:46,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3797 Valid, 2321 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:32:46,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43973 states. [2024-11-28 04:32:46,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43973 to 28297. [2024-11-28 04:32:46,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28297 states, 28296 states have (on average 1.4483319197059654) internal successors, (40982), 28296 states have internal predecessors, (40982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:46,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28297 states to 28297 states and 40982 transitions. [2024-11-28 04:32:46,503 INFO L78 Accepts]: Start accepts. Automaton has 28297 states and 40982 transitions. Word has length 76 [2024-11-28 04:32:46,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:46,503 INFO L471 AbstractCegarLoop]: Abstraction has 28297 states and 40982 transitions. [2024-11-28 04:32:46,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:46,503 INFO L276 IsEmpty]: Start isEmpty. Operand 28297 states and 40982 transitions. [2024-11-28 04:32:46,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-28 04:32:46,505 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:46,505 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] [2024-11-28 04:32:46,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-28 04:32:46,506 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:46,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:46,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1265240996, now seen corresponding path program 1 times [2024-11-28 04:32:46,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:46,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660776479] [2024-11-28 04:32:46,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:46,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:47,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:47,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:47,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660776479] [2024-11-28 04:32:47,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660776479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:47,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:47,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 04:32:47,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223845972] [2024-11-28 04:32:47,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:47,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:32:47,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:47,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:32:47,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:32:47,046 INFO L87 Difference]: Start difference. First operand 28297 states and 40982 transitions. Second operand has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:48,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:48,087 INFO L93 Difference]: Finished difference Result 49045 states and 70963 transitions. [2024-11-28 04:32:48,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:32:48,088 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-11-28 04:32:48,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:48,136 INFO L225 Difference]: With dead ends: 49045 [2024-11-28 04:32:48,136 INFO L226 Difference]: Without dead ends: 48970 [2024-11-28 04:32:48,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:32:48,147 INFO L435 NwaCegarLoop]: 968 mSDtfsCounter, 6043 mSDsluCounter, 3395 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6043 SdHoareTripleChecker+Valid, 4363 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:48,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6043 Valid, 4363 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:32:48,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48970 states. [2024-11-28 04:32:48,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48970 to 28286. [2024-11-28 04:32:48,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28286 states, 28285 states have (on average 1.4483648576984267) internal successors, (40967), 28285 states have internal predecessors, (40967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:48,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28286 states to 28286 states and 40967 transitions. [2024-11-28 04:32:48,501 INFO L78 Accepts]: Start accepts. Automaton has 28286 states and 40967 transitions. Word has length 77 [2024-11-28 04:32:48,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:48,501 INFO L471 AbstractCegarLoop]: Abstraction has 28286 states and 40967 transitions. [2024-11-28 04:32:48,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:48,501 INFO L276 IsEmpty]: Start isEmpty. Operand 28286 states and 40967 transitions. [2024-11-28 04:32:48,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-28 04:32:48,503 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:48,503 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] [2024-11-28 04:32:48,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-28 04:32:48,503 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:48,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:48,504 INFO L85 PathProgramCache]: Analyzing trace with hash -447815607, now seen corresponding path program 1 times [2024-11-28 04:32:48,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:48,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595047497] [2024-11-28 04:32:48,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:48,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:49,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:49,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:49,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595047497] [2024-11-28 04:32:49,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595047497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:49,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:49,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 04:32:49,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864768880] [2024-11-28 04:32:49,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:49,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:32:49,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:49,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:32:49,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:32:49,228 INFO L87 Difference]: Start difference. First operand 28286 states and 40967 transitions. Second operand has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:50,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:50,697 INFO L93 Difference]: Finished difference Result 35911 states and 51912 transitions. [2024-11-28 04:32:50,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:32:50,697 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-11-28 04:32:50,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:50,721 INFO L225 Difference]: With dead ends: 35911 [2024-11-28 04:32:50,722 INFO L226 Difference]: Without dead ends: 35821 [2024-11-28 04:32:50,728 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:32:50,729 INFO L435 NwaCegarLoop]: 931 mSDtfsCounter, 5338 mSDsluCounter, 6019 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5338 SdHoareTripleChecker+Valid, 6950 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:50,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5338 Valid, 6950 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1186 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:32:50,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35821 states. [2024-11-28 04:32:50,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35821 to 28260. [2024-11-28 04:32:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28260 states, 28259 states have (on average 1.4484942850065465) internal successors, (40933), 28259 states have internal predecessors, (40933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:51,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28260 states to 28260 states and 40933 transitions. [2024-11-28 04:32:51,159 INFO L78 Accepts]: Start accepts. Automaton has 28260 states and 40933 transitions. Word has length 77 [2024-11-28 04:32:51,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:51,160 INFO L471 AbstractCegarLoop]: Abstraction has 28260 states and 40933 transitions. [2024-11-28 04:32:51,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:51,160 INFO L276 IsEmpty]: Start isEmpty. Operand 28260 states and 40933 transitions. [2024-11-28 04:32:51,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-28 04:32:51,165 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:51,165 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] [2024-11-28 04:32:51,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-28 04:32:51,165 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:51,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:51,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1615837758, now seen corresponding path program 1 times [2024-11-28 04:32:51,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:51,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666538781] [2024-11-28 04:32:51,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:51,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:51,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:51,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:51,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666538781] [2024-11-28 04:32:51,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666538781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:51,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:51,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:32:51,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530873066] [2024-11-28 04:32:51,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:51,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:32:51,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:51,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:32:51,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:32:51,359 INFO L87 Difference]: Start difference. First operand 28260 states and 40933 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:51,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:51,696 INFO L93 Difference]: Finished difference Result 47748 states and 69187 transitions. [2024-11-28 04:32:51,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:32:51,696 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-11-28 04:32:51,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:51,714 INFO L225 Difference]: With dead ends: 47748 [2024-11-28 04:32:51,714 INFO L226 Difference]: Without dead ends: 20553 [2024-11-28 04:32:51,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:32:51,728 INFO L435 NwaCegarLoop]: 1019 mSDtfsCounter, 2679 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2679 SdHoareTripleChecker+Valid, 1648 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:51,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2679 Valid, 1648 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:32:51,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20553 states. [2024-11-28 04:32:51,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20553 to 20547. [2024-11-28 04:32:51,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20547 states, 20546 states have (on average 1.4339530808916578) internal successors, (29462), 20546 states have internal predecessors, (29462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:51,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20547 states to 20547 states and 29462 transitions. [2024-11-28 04:32:51,988 INFO L78 Accepts]: Start accepts. Automaton has 20547 states and 29462 transitions. Word has length 77 [2024-11-28 04:32:51,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:51,988 INFO L471 AbstractCegarLoop]: Abstraction has 20547 states and 29462 transitions. [2024-11-28 04:32:51,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:51,988 INFO L276 IsEmpty]: Start isEmpty. Operand 20547 states and 29462 transitions. [2024-11-28 04:32:51,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-28 04:32:51,992 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:51,992 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] [2024-11-28 04:32:51,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-28 04:32:51,992 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:51,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:51,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1791690671, now seen corresponding path program 1 times [2024-11-28 04:32:51,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:51,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807353296] [2024-11-28 04:32:51,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:51,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:52,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:52,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807353296] [2024-11-28 04:32:52,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807353296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:52,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:52,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:52,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830090568] [2024-11-28 04:32:52,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:52,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:52,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:52,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:52,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:52,144 INFO L87 Difference]: Start difference. First operand 20547 states and 29462 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:52,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:52,404 INFO L93 Difference]: Finished difference Result 58057 states and 83608 transitions. [2024-11-28 04:32:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:52,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2024-11-28 04:32:52,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:52,451 INFO L225 Difference]: With dead ends: 58057 [2024-11-28 04:32:52,451 INFO L226 Difference]: Without dead ends: 38575 [2024-11-28 04:32:52,467 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 04:32:52,467 INFO L435 NwaCegarLoop]: 1013 mSDtfsCounter, 516 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:52,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 1495 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:52,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38575 states. [2024-11-28 04:32:52,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38575 to 36621. [2024-11-28 04:32:52,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36621 states, 36620 states have (on average 1.4311305297651558) internal successors, (52408), 36620 states have internal predecessors, (52408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:52,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36621 states to 36621 states and 52408 transitions. [2024-11-28 04:32:52,961 INFO L78 Accepts]: Start accepts. Automaton has 36621 states and 52408 transitions. Word has length 78 [2024-11-28 04:32:52,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:52,961 INFO L471 AbstractCegarLoop]: Abstraction has 36621 states and 52408 transitions. [2024-11-28 04:32:52,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:52,961 INFO L276 IsEmpty]: Start isEmpty. Operand 36621 states and 52408 transitions. [2024-11-28 04:32:52,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-28 04:32:52,963 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:52,963 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] [2024-11-28 04:32:52,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-28 04:32:52,963 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:52,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:52,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1514981376, now seen corresponding path program 1 times [2024-11-28 04:32:52,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:52,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085798792] [2024-11-28 04:32:52,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:52,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:53,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:53,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:53,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085798792] [2024-11-28 04:32:53,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085798792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:53,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:53,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:53,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564242084] [2024-11-28 04:32:53,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:53,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:53,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:53,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:53,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:53,058 INFO L87 Difference]: Start difference. First operand 36621 states and 52408 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:53,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:53,337 INFO L93 Difference]: Finished difference Result 104825 states and 150090 transitions. [2024-11-28 04:32:53,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:53,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2024-11-28 04:32:53,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:53,399 INFO L225 Difference]: With dead ends: 104825 [2024-11-28 04:32:53,399 INFO L226 Difference]: Without dead ends: 69269 [2024-11-28 04:32:53,421 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 04:32:53,421 INFO L435 NwaCegarLoop]: 994 mSDtfsCounter, 410 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:53,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1559 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:53,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69269 states. [2024-11-28 04:32:54,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69269 to 65363. [2024-11-28 04:32:54,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65363 states, 65362 states have (on average 1.422783880542211) internal successors, (92996), 65362 states have internal predecessors, (92996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:54,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65363 states to 65363 states and 92996 transitions. [2024-11-28 04:32:54,316 INFO L78 Accepts]: Start accepts. Automaton has 65363 states and 92996 transitions. Word has length 81 [2024-11-28 04:32:54,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:54,317 INFO L471 AbstractCegarLoop]: Abstraction has 65363 states and 92996 transitions. [2024-11-28 04:32:54,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:54,317 INFO L276 IsEmpty]: Start isEmpty. Operand 65363 states and 92996 transitions. [2024-11-28 04:32:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-28 04:32:54,319 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:54,319 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] [2024-11-28 04:32:54,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-28 04:32:54,319 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:54,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:54,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1391568795, now seen corresponding path program 1 times [2024-11-28 04:32:54,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:54,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313195924] [2024-11-28 04:32:54,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:54,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:54,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:54,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:54,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313195924] [2024-11-28 04:32:54,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313195924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:54,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:54,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:32:54,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305698887] [2024-11-28 04:32:54,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:54,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:32:54,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:54,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:32:54,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:32:54,552 INFO L87 Difference]: Start difference. First operand 65363 states and 92996 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:55,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:55,088 INFO L93 Difference]: Finished difference Result 69565 states and 98597 transitions. [2024-11-28 04:32:55,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:32:55,088 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2024-11-28 04:32:55,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:55,168 INFO L225 Difference]: With dead ends: 69565 [2024-11-28 04:32:55,168 INFO L226 Difference]: Without dead ends: 69563 [2024-11-28 04:32:55,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:32:55,179 INFO L435 NwaCegarLoop]: 965 mSDtfsCounter, 0 mSDsluCounter, 3850 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4815 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:55,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4815 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:32:55,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69563 states. [2024-11-28 04:32:55,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69563 to 69563. [2024-11-28 04:32:56,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69563 states, 69562 states have (on average 1.3972571231419453) internal successors, (97196), 69562 states have internal predecessors, (97196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:56,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69563 states to 69563 states and 97196 transitions. [2024-11-28 04:32:56,356 INFO L78 Accepts]: Start accepts. Automaton has 69563 states and 97196 transitions. Word has length 82 [2024-11-28 04:32:56,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:56,357 INFO L471 AbstractCegarLoop]: Abstraction has 69563 states and 97196 transitions. [2024-11-28 04:32:56,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:56,357 INFO L276 IsEmpty]: Start isEmpty. Operand 69563 states and 97196 transitions. [2024-11-28 04:32:56,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 04:32:56,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:56,367 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] [2024-11-28 04:32:56,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-28 04:32:56,368 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:56,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:56,368 INFO L85 PathProgramCache]: Analyzing trace with hash 191580467, now seen corresponding path program 1 times [2024-11-28 04:32:56,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:56,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902584126] [2024-11-28 04:32:56,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:56,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:56,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:56,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:56,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902584126] [2024-11-28 04:32:56,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902584126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:56,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:56,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:56,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114258593] [2024-11-28 04:32:56,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:56,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:56,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:56,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:56,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:56,442 INFO L87 Difference]: Start difference. First operand 69563 states and 97196 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:57,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:57,002 INFO L93 Difference]: Finished difference Result 195183 states and 272802 transitions. [2024-11-28 04:32:57,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:57,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2024-11-28 04:32:57,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:57,134 INFO L225 Difference]: With dead ends: 195183 [2024-11-28 04:32:57,135 INFO L226 Difference]: Without dead ends: 126645 [2024-11-28 04:32:57,170 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 04:32:57,170 INFO L435 NwaCegarLoop]: 924 mSDtfsCounter, 479 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 1445 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:57,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 1445 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:57,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126645 states. [2024-11-28 04:32:58,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126645 to 125243. [2024-11-28 04:32:58,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125243 states, 125242 states have (on average 1.3777327094744574) internal successors, (172550), 125242 states have internal predecessors, (172550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:59,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125243 states to 125243 states and 172550 transitions. [2024-11-28 04:32:59,049 INFO L78 Accepts]: Start accepts. Automaton has 125243 states and 172550 transitions. Word has length 83 [2024-11-28 04:32:59,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:59,049 INFO L471 AbstractCegarLoop]: Abstraction has 125243 states and 172550 transitions. [2024-11-28 04:32:59,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:59,049 INFO L276 IsEmpty]: Start isEmpty. Operand 125243 states and 172550 transitions. [2024-11-28 04:32:59,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 04:32:59,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:59,052 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] [2024-11-28 04:32:59,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-28 04:32:59,052 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:32:59,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:59,052 INFO L85 PathProgramCache]: Analyzing trace with hash 399285156, now seen corresponding path program 1 times [2024-11-28 04:32:59,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:59,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798749275] [2024-11-28 04:32:59,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:59,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:59,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:59,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:59,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798749275] [2024-11-28 04:32:59,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798749275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:59,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:59,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:32:59,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768891763] [2024-11-28 04:32:59,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:59,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:32:59,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:59,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:32:59,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:32:59,501 INFO L87 Difference]: Start difference. First operand 125243 states and 172550 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:00,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:00,293 INFO L93 Difference]: Finished difference Result 248237 states and 342627 transitions. [2024-11-28 04:33:00,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:33:00,293 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2024-11-28 04:33:00,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:00,925 INFO L225 Difference]: With dead ends: 248237 [2024-11-28 04:33:00,925 INFO L226 Difference]: Without dead ends: 210927 [2024-11-28 04:33:00,960 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:33:00,961 INFO L435 NwaCegarLoop]: 995 mSDtfsCounter, 2953 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2953 SdHoareTripleChecker+Valid, 2427 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:00,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2953 Valid, 2427 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:33:01,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210927 states. [2024-11-28 04:33:03,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210927 to 158716. [2024-11-28 04:33:03,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158716 states, 158715 states have (on average 1.374432158271115) internal successors, (218143), 158715 states have internal predecessors, (218143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:04,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158716 states to 158716 states and 218143 transitions. [2024-11-28 04:33:04,028 INFO L78 Accepts]: Start accepts. Automaton has 158716 states and 218143 transitions. Word has length 85 [2024-11-28 04:33:04,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:04,028 INFO L471 AbstractCegarLoop]: Abstraction has 158716 states and 218143 transitions. [2024-11-28 04:33:04,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:04,029 INFO L276 IsEmpty]: Start isEmpty. Operand 158716 states and 218143 transitions. [2024-11-28 04:33:04,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-28 04:33:04,032 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:04,032 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] [2024-11-28 04:33:04,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-28 04:33:04,032 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:33:04,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:04,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1653743500, now seen corresponding path program 1 times [2024-11-28 04:33:04,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:04,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021059109] [2024-11-28 04:33:04,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:04,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:04,100 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 04:33:04,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:04,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021059109] [2024-11-28 04:33:04,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021059109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:04,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:04,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:33:04,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887340642] [2024-11-28 04:33:04,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:04,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:33:04,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:04,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:33:04,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:33:04,102 INFO L87 Difference]: Start difference. First operand 158716 states and 218143 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:04,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:04,567 INFO L93 Difference]: Finished difference Result 194432 states and 266473 transitions. [2024-11-28 04:33:04,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:33:04,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2024-11-28 04:33:04,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:04,726 INFO L225 Difference]: With dead ends: 194432 [2024-11-28 04:33:04,727 INFO L226 Difference]: Without dead ends: 123006 [2024-11-28 04:33:04,767 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 04:33:04,767 INFO L435 NwaCegarLoop]: 996 mSDtfsCounter, 355 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 1655 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:04,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 1655 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:33:04,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123006 states. [2024-11-28 04:33:06,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123006 to 122260. [2024-11-28 04:33:06,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122260 states, 122259 states have (on average 1.3522031097915082) internal successors, (165319), 122259 states have internal predecessors, (165319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122260 states to 122260 states and 165319 transitions. [2024-11-28 04:33:06,792 INFO L78 Accepts]: Start accepts. Automaton has 122260 states and 165319 transitions. Word has length 88 [2024-11-28 04:33:06,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:06,792 INFO L471 AbstractCegarLoop]: Abstraction has 122260 states and 165319 transitions. [2024-11-28 04:33:06,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 122260 states and 165319 transitions. [2024-11-28 04:33:06,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-28 04:33:06,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:06,796 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] [2024-11-28 04:33:06,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-28 04:33:06,796 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:33:06,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:06,797 INFO L85 PathProgramCache]: Analyzing trace with hash 346459522, now seen corresponding path program 1 times [2024-11-28 04:33:06,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:06,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621872251] [2024-11-28 04:33:06,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:06,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:06,967 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 04:33:06,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:06,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621872251] [2024-11-28 04:33:06,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621872251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:06,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:06,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:33:06,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699189954] [2024-11-28 04:33:06,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:06,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:33:06,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:06,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:33:06,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:33:06,969 INFO L87 Difference]: Start difference. First operand 122260 states and 165319 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:09,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:09,114 INFO L93 Difference]: Finished difference Result 281840 states and 383353 transitions. [2024-11-28 04:33:09,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:33:09,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2024-11-28 04:33:09,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:09,378 INFO L225 Difference]: With dead ends: 281840 [2024-11-28 04:33:09,378 INFO L226 Difference]: Without dead ends: 224046 [2024-11-28 04:33:09,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:33:09,423 INFO L435 NwaCegarLoop]: 473 mSDtfsCounter, 4250 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4250 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:09,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4250 Valid, 1175 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1186 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:33:09,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224046 states. [2024-11-28 04:33:11,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224046 to 142788. [2024-11-28 04:33:11,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142788 states, 142787 states have (on average 1.3430284269576362) internal successors, (191767), 142787 states have internal predecessors, (191767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:11,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142788 states to 142788 states and 191767 transitions. [2024-11-28 04:33:11,939 INFO L78 Accepts]: Start accepts. Automaton has 142788 states and 191767 transitions. Word has length 88 [2024-11-28 04:33:11,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:11,939 INFO L471 AbstractCegarLoop]: Abstraction has 142788 states and 191767 transitions. [2024-11-28 04:33:11,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:11,939 INFO L276 IsEmpty]: Start isEmpty. Operand 142788 states and 191767 transitions. [2024-11-28 04:33:11,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-28 04:33:11,942 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:11,942 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] [2024-11-28 04:33:11,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-28 04:33:11,942 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:33:11,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:11,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1064767850, now seen corresponding path program 1 times [2024-11-28 04:33:11,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:11,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760646742] [2024-11-28 04:33:11,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:11,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:12,060 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 04:33:12,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:12,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760646742] [2024-11-28 04:33:12,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760646742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:12,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:12,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:33:12,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423440192] [2024-11-28 04:33:12,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:12,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:33:12,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:12,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:33:12,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:33:12,062 INFO L87 Difference]: Start difference. First operand 142788 states and 191767 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:13,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:13,250 INFO L93 Difference]: Finished difference Result 238469 states and 321527 transitions. [2024-11-28 04:33:13,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:33:13,251 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2024-11-28 04:33:13,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:13,499 INFO L225 Difference]: With dead ends: 238469 [2024-11-28 04:33:13,499 INFO L226 Difference]: Without dead ends: 204787 [2024-11-28 04:33:13,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:33:13,541 INFO L435 NwaCegarLoop]: 1047 mSDtfsCounter, 2837 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2837 SdHoareTripleChecker+Valid, 2482 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:13,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2837 Valid, 2482 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:33:13,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204787 states. [2024-11-28 04:33:15,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204787 to 170125. [2024-11-28 04:33:15,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170125 states, 170124 states have (on average 1.3409042815828454) internal successors, (228120), 170124 states have internal predecessors, (228120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:16,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170125 states to 170125 states and 228120 transitions. [2024-11-28 04:33:16,148 INFO L78 Accepts]: Start accepts. Automaton has 170125 states and 228120 transitions. Word has length 89 [2024-11-28 04:33:16,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:16,149 INFO L471 AbstractCegarLoop]: Abstraction has 170125 states and 228120 transitions. [2024-11-28 04:33:16,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:16,149 INFO L276 IsEmpty]: Start isEmpty. Operand 170125 states and 228120 transitions. [2024-11-28 04:33:16,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-28 04:33:16,152 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:16,152 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] [2024-11-28 04:33:16,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-28 04:33:16,152 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:33:16,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:16,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1658007329, now seen corresponding path program 1 times [2024-11-28 04:33:16,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:16,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146389731] [2024-11-28 04:33:16,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:16,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:16,251 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 04:33:16,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:16,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146389731] [2024-11-28 04:33:16,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146389731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:16,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:16,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:33:16,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821137326] [2024-11-28 04:33:16,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:16,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:33:16,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:16,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:33:16,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:33:16,252 INFO L87 Difference]: Start difference. First operand 170125 states and 228120 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:17,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:17,441 INFO L93 Difference]: Finished difference Result 245697 states and 330887 transitions. [2024-11-28 04:33:17,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:33:17,442 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2024-11-28 04:33:17,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:17,685 INFO L225 Difference]: With dead ends: 245697 [2024-11-28 04:33:17,686 INFO L226 Difference]: Without dead ends: 222227 [2024-11-28 04:33:17,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:33:17,718 INFO L435 NwaCegarLoop]: 1089 mSDtfsCounter, 2759 mSDsluCounter, 1499 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2759 SdHoareTripleChecker+Valid, 2588 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:17,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2759 Valid, 2588 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:33:17,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222227 states. [2024-11-28 04:33:20,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222227 to 193199. [2024-11-28 04:33:20,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193199 states, 193198 states have (on average 1.3414735142185736) internal successors, (259170), 193198 states have internal predecessors, (259170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:20,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193199 states to 193199 states and 259170 transitions. [2024-11-28 04:33:20,634 INFO L78 Accepts]: Start accepts. Automaton has 193199 states and 259170 transitions. Word has length 90 [2024-11-28 04:33:20,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:20,635 INFO L471 AbstractCegarLoop]: Abstraction has 193199 states and 259170 transitions. [2024-11-28 04:33:20,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:20,635 INFO L276 IsEmpty]: Start isEmpty. Operand 193199 states and 259170 transitions. [2024-11-28 04:33:20,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 04:33:20,638 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:20,638 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] [2024-11-28 04:33:20,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-28 04:33:20,638 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-28 04:33:20,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:20,638 INFO L85 PathProgramCache]: Analyzing trace with hash -934521971, now seen corresponding path program 1 times [2024-11-28 04:33:20,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:20,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470205802] [2024-11-28 04:33:20,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:20,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:20,755 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 04:33:20,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:20,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470205802] [2024-11-28 04:33:20,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470205802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:20,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:20,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:33:20,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355400661] [2024-11-28 04:33:20,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:20,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:33:20,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:20,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:33:20,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:33:20,757 INFO L87 Difference]: Start difference. First operand 193199 states and 259170 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:33:22,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:22,212 INFO L93 Difference]: Finished difference Result 298317 states and 401999 transitions. [2024-11-28 04:33:22,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:33:22,213 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-28 04:33:22,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:22,502 INFO L225 Difference]: With dead ends: 298317 [2024-11-28 04:33:22,503 INFO L226 Difference]: Without dead ends: 258395 [2024-11-28 04:33:22,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:33:22,543 INFO L435 NwaCegarLoop]: 1093 mSDtfsCounter, 2805 mSDsluCounter, 1443 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2805 SdHoareTripleChecker+Valid, 2536 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:22,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2805 Valid, 2536 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:33:22,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258395 states.