./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-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_e95e269e-246e-43d0-8b97-35f40be24615/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95e269e-246e-43d0-8b97-35f40be24615/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_e95e269e-246e-43d0-8b97-35f40be24615/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95e269e-246e-43d0-8b97-35f40be24615/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95e269e-246e-43d0-8b97-35f40be24615/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_e95e269e-246e-43d0-8b97-35f40be24615/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 755ab1a46ae9bd419f57fa80d8e9c25878a5804529700435e5fe8941ed66455d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:27:11,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:27:11,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95e269e-246e-43d0-8b97-35f40be24615/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:27:11,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:27:11,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:27:11,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:27:11,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:27:11,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:27:11,889 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:27:11,890 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:27:11,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:27:11,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:27:11,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:27:11,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:27:11,892 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:27:11,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:27:11,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:27:11,892 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:27:11,892 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:27:11,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:27:11,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:27:11,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:27:11,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:27:11,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:27:11,893 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:27:11,893 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:27:11,893 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:27:11,893 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:27:11,893 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:27:11,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:27:11,894 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:27:11,894 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:27:11,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:27:11,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:27:11,894 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:27:11,894 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:27:11,894 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:27:11,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:27:11,894 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:27:11,894 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:27:11,895 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:27:11,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:27:11,895 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:27:11,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:27:11,895 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:27:11,895 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:27:11,895 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:27:11,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:27:11,895 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_e95e269e-246e-43d0-8b97-35f40be24615/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 -> 755ab1a46ae9bd419f57fa80d8e9c25878a5804529700435e5fe8941ed66455d [2024-11-28 02:27:12,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:27:12,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:27:12,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:27:12,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:27:12,227 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:27:12,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95e269e-246e-43d0-8b97-35f40be24615/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2024-11-28 02:27:15,151 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95e269e-246e-43d0-8b97-35f40be24615/bin/uautomizer-verify-aQ6SnzHsRB/data/c2f895d46/097918da19494a0e81a1f84ba5617f53/FLAGbfd0657dc [2024-11-28 02:27:15,797 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:27:15,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95e269e-246e-43d0-8b97-35f40be24615/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2024-11-28 02:27:15,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95e269e-246e-43d0-8b97-35f40be24615/bin/uautomizer-verify-aQ6SnzHsRB/data/c2f895d46/097918da19494a0e81a1f84ba5617f53/FLAGbfd0657dc [2024-11-28 02:27:15,872 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95e269e-246e-43d0-8b97-35f40be24615/bin/uautomizer-verify-aQ6SnzHsRB/data/c2f895d46/097918da19494a0e81a1f84ba5617f53 [2024-11-28 02:27:15,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:27:15,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:27:15,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:27:15,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:27:15,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:27:15,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:27:15" (1/1) ... [2024-11-28 02:27:15,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a679355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:15, skipping insertion in model container [2024-11-28 02:27:15,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:27:15" (1/1) ... [2024-11-28 02:27:16,060 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:27:16,564 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_e95e269e-246e-43d0-8b97-35f40be24615/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[14256,14269] [2024-11-28 02:27:16,627 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_e95e269e-246e-43d0-8b97-35f40be24615/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20101,20114] [2024-11-28 02:27:16,646 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_e95e269e-246e-43d0-8b97-35f40be24615/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[21333,21346] [2024-11-28 02:27:16,671 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_e95e269e-246e-43d0-8b97-35f40be24615/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23565,23578] [2024-11-28 02:27:16,709 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_e95e269e-246e-43d0-8b97-35f40be24615/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[26974,26987] [2024-11-28 02:27:16,775 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_e95e269e-246e-43d0-8b97-35f40be24615/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[33563,33576] [2024-11-28 02:27:17,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:27:17,510 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:27:17,606 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_e95e269e-246e-43d0-8b97-35f40be24615/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[14256,14269] [2024-11-28 02:27:17,640 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_e95e269e-246e-43d0-8b97-35f40be24615/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20101,20114] [2024-11-28 02:27:17,650 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_e95e269e-246e-43d0-8b97-35f40be24615/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[21333,21346] [2024-11-28 02:27:17,668 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_e95e269e-246e-43d0-8b97-35f40be24615/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23565,23578] [2024-11-28 02:27:17,694 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_e95e269e-246e-43d0-8b97-35f40be24615/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[26974,26987] [2024-11-28 02:27:17,740 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_e95e269e-246e-43d0-8b97-35f40be24615/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[33563,33576] [2024-11-28 02:27:18,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:27:18,336 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:27:18,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:18 WrapperNode [2024-11-28 02:27:18,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:27:18,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:27:18,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:27:18,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:27:18,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:18" (1/1) ... [2024-11-28 02:27:18,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:18" (1/1) ... [2024-11-28 02:27:18,641 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 10106 [2024-11-28 02:27:18,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:27:18,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:27:18,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:27:18,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:27:18,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:18" (1/1) ... [2024-11-28 02:27:18,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:18" (1/1) ... [2024-11-28 02:27:18,674 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:18" (1/1) ... [2024-11-28 02:27:18,789 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 02:27:18,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:18" (1/1) ... [2024-11-28 02:27:18,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:18" (1/1) ... [2024-11-28 02:27:18,911 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:18" (1/1) ... [2024-11-28 02:27:18,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:18" (1/1) ... [2024-11-28 02:27:18,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:18" (1/1) ... [2024-11-28 02:27:19,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:18" (1/1) ... [2024-11-28 02:27:19,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:18" (1/1) ... [2024-11-28 02:27:19,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:27:19,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:27:19,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:27:19,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:27:19,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:18" (1/1) ... [2024-11-28 02:27:19,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:27:19,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95e269e-246e-43d0-8b97-35f40be24615/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:27:19,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95e269e-246e-43d0-8b97-35f40be24615/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:27:19,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e95e269e-246e-43d0-8b97-35f40be24615/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:27:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:27:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:27:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:27:19,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:27:19,724 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:27:19,726 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:27:26,315 INFO L? ?]: Removed 1497 outVars from TransFormulas that were not future-live. [2024-11-28 02:27:26,315 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:27:26,365 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:27:26,365 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:27:26,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:27:26 BoogieIcfgContainer [2024-11-28 02:27:26,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:27:26,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:27:26,369 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:27:26,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:27:26,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:27:15" (1/3) ... [2024-11-28 02:27:26,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ee5f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:27:26, skipping insertion in model container [2024-11-28 02:27:26,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:27:18" (2/3) ... [2024-11-28 02:27:26,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ee5f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:27:26, skipping insertion in model container [2024-11-28 02:27:26,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:27:26" (3/3) ... [2024-11-28 02:27:26,377 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2024-11-28 02:27:26,393 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:27:26,396 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c that has 1 procedures, 1759 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2024-11-28 02:27:26,517 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:27:26,534 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;@1c28a983, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:27:26,534 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-28 02:27:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand has 1759 states, 1752 states have (on average 1.7973744292237444) internal successors, (3149), 1758 states have internal predecessors, (3149), 0 states have call successors, (0), 0 states 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 02:27:26,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-28 02:27:26,575 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:26,575 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 02:27:26,580 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:26,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:26,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1255419244, now seen corresponding path program 1 times [2024-11-28 02:27:26,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:26,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668545192] [2024-11-28 02:27:26,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:26,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:27,298 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 02:27:27,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:27,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668545192] [2024-11-28 02:27:27,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668545192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:27,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:27,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:27:27,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409167352] [2024-11-28 02:27:27,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:27,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:27:27,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:27,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:27:27,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:27:27,339 INFO L87 Difference]: Start difference. First operand has 1759 states, 1752 states have (on average 1.7973744292237444) internal successors, (3149), 1758 states have internal predecessors, (3149), 0 states have call successors, (0), 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 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 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 02:27:27,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:27,936 INFO L93 Difference]: Finished difference Result 2534 states and 4443 transitions. [2024-11-28 02:27:27,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:27:27,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 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 02:27:27,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:27,974 INFO L225 Difference]: With dead ends: 2534 [2024-11-28 02:27:27,975 INFO L226 Difference]: Without dead ends: 2330 [2024-11-28 02:27:27,980 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 02:27:27,985 INFO L435 NwaCegarLoop]: 3632 mSDtfsCounter, 1885 mSDsluCounter, 2017 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 5649 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:27,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 5649 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:27:28,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2330 states. [2024-11-28 02:27:28,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2330 to 2320. [2024-11-28 02:27:28,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2320 states, 2314 states have (on average 1.3029386343993086) internal successors, (3015), 2319 states have internal predecessors, (3015), 0 states have call successors, (0), 0 states 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 02:27:28,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 2320 states and 3015 transitions. [2024-11-28 02:27:28,142 INFO L78 Accepts]: Start accepts. Automaton has 2320 states and 3015 transitions. Word has length 76 [2024-11-28 02:27:28,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:28,143 INFO L471 AbstractCegarLoop]: Abstraction has 2320 states and 3015 transitions. [2024-11-28 02:27:28,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 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 02:27:28,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2320 states and 3015 transitions. [2024-11-28 02:27:28,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-28 02:27:28,155 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:28,155 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:27:28,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:27:28,156 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:28,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:28,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1568234670, now seen corresponding path program 1 times [2024-11-28 02:27:28,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:28,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319170992] [2024-11-28 02:27:28,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:28,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:28,473 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 02:27:28,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:28,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319170992] [2024-11-28 02:27:28,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319170992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:28,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:28,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:27:28,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308398460] [2024-11-28 02:27:28,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:28,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:27:28,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:28,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:27:28,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:27:28,476 INFO L87 Difference]: Start difference. First operand 2320 states and 3015 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 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 02:27:28,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:28,652 INFO L93 Difference]: Finished difference Result 3253 states and 4380 transitions. [2024-11-28 02:27:28,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:27:28,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 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 02:27:28,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:28,662 INFO L225 Difference]: With dead ends: 3253 [2024-11-28 02:27:28,662 INFO L226 Difference]: Without dead ends: 2780 [2024-11-28 02:27:28,664 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 02:27:28,665 INFO L435 NwaCegarLoop]: 2353 mSDtfsCounter, 1185 mSDsluCounter, 1430 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 3783 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:28,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 3783 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:27:28,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2780 states. [2024-11-28 02:27:28,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2780 to 2770. [2024-11-28 02:27:28,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 2764 states have (on average 1.327424023154848) internal successors, (3669), 2769 states have internal predecessors, (3669), 0 states have call successors, (0), 0 states 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 02:27:28,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3669 transitions. [2024-11-28 02:27:28,746 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3669 transitions. Word has length 76 [2024-11-28 02:27:28,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:28,746 INFO L471 AbstractCegarLoop]: Abstraction has 2770 states and 3669 transitions. [2024-11-28 02:27:28,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 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 02:27:28,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3669 transitions. [2024-11-28 02:27:28,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-28 02:27:28,752 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:28,752 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:27:28,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:27:28,753 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:28,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:28,753 INFO L85 PathProgramCache]: Analyzing trace with hash -801382376, now seen corresponding path program 1 times [2024-11-28 02:27:28,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:28,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758549089] [2024-11-28 02:27:28,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:28,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:29,149 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 02:27:29,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:29,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758549089] [2024-11-28 02:27:29,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758549089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:29,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:29,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:27:29,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364560585] [2024-11-28 02:27:29,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:29,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:27:29,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:29,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:27:29,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:27:29,153 INFO L87 Difference]: Start difference. First operand 2770 states and 3669 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 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 02:27:30,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:30,520 INFO L93 Difference]: Finished difference Result 5085 states and 6944 transitions. [2024-11-28 02:27:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:27:30,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 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 02:27:30,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:30,530 INFO L225 Difference]: With dead ends: 5085 [2024-11-28 02:27:30,531 INFO L226 Difference]: Without dead ends: 2918 [2024-11-28 02:27:30,532 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 02:27:30,533 INFO L435 NwaCegarLoop]: 999 mSDtfsCounter, 5833 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5833 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:30,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5833 Valid, 1220 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 02:27:30,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2918 states. [2024-11-28 02:27:30,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2918 to 2908. [2024-11-28 02:27:30,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2908 states, 2902 states have (on average 1.378015161957271) internal successors, (3999), 2907 states have internal predecessors, (3999), 0 states have call successors, (0), 0 states 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 02:27:30,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2908 states and 3999 transitions. [2024-11-28 02:27:30,618 INFO L78 Accepts]: Start accepts. Automaton has 2908 states and 3999 transitions. Word has length 76 [2024-11-28 02:27:30,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:30,618 INFO L471 AbstractCegarLoop]: Abstraction has 2908 states and 3999 transitions. [2024-11-28 02:27:30,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 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 02:27:30,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 3999 transitions. [2024-11-28 02:27:30,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-28 02:27:30,625 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:30,625 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 02:27:30,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:27:30,626 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:30,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:30,628 INFO L85 PathProgramCache]: Analyzing trace with hash -845990985, now seen corresponding path program 1 times [2024-11-28 02:27:30,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:30,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108211335] [2024-11-28 02:27:30,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:30,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:30,958 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 02:27:30,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:30,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108211335] [2024-11-28 02:27:30,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108211335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:30,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:30,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:27:30,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635484654] [2024-11-28 02:27:30,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:30,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:27:30,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:30,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:27:30,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:27:30,960 INFO L87 Difference]: Start difference. First operand 2908 states and 3999 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 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 02:27:32,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:32,061 INFO L93 Difference]: Finished difference Result 5483 states and 7696 transitions. [2024-11-28 02:27:32,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:27:32,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 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 02:27:32,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:32,074 INFO L225 Difference]: With dead ends: 5483 [2024-11-28 02:27:32,074 INFO L226 Difference]: Without dead ends: 3234 [2024-11-28 02:27:32,077 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 02:27:32,079 INFO L435 NwaCegarLoop]: 828 mSDtfsCounter, 4864 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4864 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:32,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4864 Valid, 1025 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 02:27:32,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3234 states. [2024-11-28 02:27:32,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3234 to 3220. [2024-11-28 02:27:32,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3220 states, 3214 states have (on average 1.3942128189172371) internal successors, (4481), 3219 states have internal predecessors, (4481), 0 states have call successors, (0), 0 states 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 02:27:32,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3220 states to 3220 states and 4481 transitions. [2024-11-28 02:27:32,230 INFO L78 Accepts]: Start accepts. Automaton has 3220 states and 4481 transitions. Word has length 77 [2024-11-28 02:27:32,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:32,234 INFO L471 AbstractCegarLoop]: Abstraction has 3220 states and 4481 transitions. [2024-11-28 02:27:32,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 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 02:27:32,234 INFO L276 IsEmpty]: Start isEmpty. Operand 3220 states and 4481 transitions. [2024-11-28 02:27:32,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-28 02:27:32,243 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:32,243 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 02:27:32,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:27:32,244 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:32,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:32,244 INFO L85 PathProgramCache]: Analyzing trace with hash -2068935462, now seen corresponding path program 1 times [2024-11-28 02:27:32,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:32,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892627669] [2024-11-28 02:27:32,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:32,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:32,662 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 02:27:32,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:32,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892627669] [2024-11-28 02:27:32,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892627669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:32,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:32,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:27:32,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083404043] [2024-11-28 02:27:32,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:32,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:27:32,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:32,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:27:32,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:27:32,664 INFO L87 Difference]: Start difference. First operand 3220 states and 4481 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 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 02:27:33,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:33,552 INFO L93 Difference]: Finished difference Result 7405 states and 10534 transitions. [2024-11-28 02:27:33,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:27:33,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 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 02:27:33,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:33,566 INFO L225 Difference]: With dead ends: 7405 [2024-11-28 02:27:33,566 INFO L226 Difference]: Without dead ends: 4548 [2024-11-28 02:27:33,570 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 02:27:33,570 INFO L435 NwaCegarLoop]: 685 mSDtfsCounter, 4118 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4118 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:33,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4118 Valid, 902 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:27:33,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4548 states. [2024-11-28 02:27:33,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4548 to 4538. [2024-11-28 02:27:33,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4538 states, 4532 states have (on average 1.424757281553398) internal successors, (6457), 4537 states have internal predecessors, (6457), 0 states have call successors, (0), 0 states 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 02:27:33,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4538 states to 4538 states and 6457 transitions. [2024-11-28 02:27:33,687 INFO L78 Accepts]: Start accepts. Automaton has 4538 states and 6457 transitions. Word has length 77 [2024-11-28 02:27:33,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:33,688 INFO L471 AbstractCegarLoop]: Abstraction has 4538 states and 6457 transitions. [2024-11-28 02:27:33,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 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 02:27:33,688 INFO L276 IsEmpty]: Start isEmpty. Operand 4538 states and 6457 transitions. [2024-11-28 02:27:33,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-28 02:27:33,692 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:33,692 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 02:27:33,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:27:33,693 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:33,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:33,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1925332193, now seen corresponding path program 1 times [2024-11-28 02:27:33,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:33,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506690009] [2024-11-28 02:27:33,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:33,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:33,839 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 02:27:33,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:33,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506690009] [2024-11-28 02:27:33,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506690009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:33,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:33,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:27:33,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91716763] [2024-11-28 02:27:33,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:33,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:27:33,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:33,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:27:33,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:27:33,841 INFO L87 Difference]: Start difference. First operand 4538 states and 6457 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 02:27:33,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:33,931 INFO L93 Difference]: Finished difference Result 9533 states and 13702 transitions. [2024-11-28 02:27:33,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:27:33,932 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 02:27:33,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:33,951 INFO L225 Difference]: With dead ends: 9533 [2024-11-28 02:27:33,951 INFO L226 Difference]: Without dead ends: 6382 [2024-11-28 02:27:33,955 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 02:27:33,955 INFO L435 NwaCegarLoop]: 1505 mSDtfsCounter, 919 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 2363 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:33,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [919 Valid, 2363 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:27:33,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6382 states. [2024-11-28 02:27:34,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6382 to 6360. [2024-11-28 02:27:34,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6360 states, 6354 states have (on average 1.4121813031161472) internal successors, (8973), 6359 states have internal predecessors, (8973), 0 states have call successors, (0), 0 states 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 02:27:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6360 states to 6360 states and 8973 transitions. [2024-11-28 02:27:34,107 INFO L78 Accepts]: Start accepts. Automaton has 6360 states and 8973 transitions. Word has length 78 [2024-11-28 02:27:34,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:34,108 INFO L471 AbstractCegarLoop]: Abstraction has 6360 states and 8973 transitions. [2024-11-28 02:27:34,108 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 02:27:34,108 INFO L276 IsEmpty]: Start isEmpty. Operand 6360 states and 8973 transitions. [2024-11-28 02:27:34,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-28 02:27:34,113 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:34,113 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 02:27:34,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:27:34,114 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:34,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:34,114 INFO L85 PathProgramCache]: Analyzing trace with hash -525215666, now seen corresponding path program 1 times [2024-11-28 02:27:34,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:34,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260729201] [2024-11-28 02:27:34,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:34,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:34,242 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 02:27:34,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:34,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260729201] [2024-11-28 02:27:34,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260729201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:34,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:34,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:27:34,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64818469] [2024-11-28 02:27:34,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:34,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:27:34,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:34,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:27:34,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:27:34,243 INFO L87 Difference]: Start difference. First operand 6360 states and 8973 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 02:27:34,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:34,334 INFO L93 Difference]: Finished difference Result 13352 states and 19004 transitions. [2024-11-28 02:27:34,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:27:34,334 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 02:27:34,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:34,376 INFO L225 Difference]: With dead ends: 13352 [2024-11-28 02:27:34,376 INFO L226 Difference]: Without dead ends: 8882 [2024-11-28 02:27:34,382 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 02:27:34,383 INFO L435 NwaCegarLoop]: 1522 mSDtfsCounter, 938 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 938 SdHoareTripleChecker+Valid, 2375 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:34,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [938 Valid, 2375 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:27:34,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8882 states. [2024-11-28 02:27:34,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8882 to 8854. [2024-11-28 02:27:34,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8854 states, 8848 states have (on average 1.398621157323689) internal successors, (12375), 8853 states have internal predecessors, (12375), 0 states have call successors, (0), 0 states 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 02:27:34,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8854 states to 8854 states and 12375 transitions. [2024-11-28 02:27:34,677 INFO L78 Accepts]: Start accepts. Automaton has 8854 states and 12375 transitions. Word has length 78 [2024-11-28 02:27:34,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:34,678 INFO L471 AbstractCegarLoop]: Abstraction has 8854 states and 12375 transitions. [2024-11-28 02:27:34,678 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 02:27:34,679 INFO L276 IsEmpty]: Start isEmpty. Operand 8854 states and 12375 transitions. [2024-11-28 02:27:34,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-28 02:27:34,686 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:34,686 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 02:27:34,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:27:34,686 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:34,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:34,687 INFO L85 PathProgramCache]: Analyzing trace with hash -643699700, now seen corresponding path program 1 times [2024-11-28 02:27:34,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:34,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145930971] [2024-11-28 02:27:34,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:34,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:34,812 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 02:27:34,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:34,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145930971] [2024-11-28 02:27:34,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145930971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:34,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:34,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:27:34,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615966469] [2024-11-28 02:27:34,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:34,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:27:34,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:34,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:27:34,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:27:34,814 INFO L87 Difference]: Start difference. First operand 8854 states and 12375 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 02:27:34,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:34,904 INFO L93 Difference]: Finished difference Result 21801 states and 30896 transitions. [2024-11-28 02:27:34,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:27:34,904 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 02:27:34,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:34,939 INFO L225 Difference]: With dead ends: 21801 [2024-11-28 02:27:34,939 INFO L226 Difference]: Without dead ends: 14372 [2024-11-28 02:27:34,948 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 02:27:34,949 INFO L435 NwaCegarLoop]: 1215 mSDtfsCounter, 630 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 2079 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:34,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 2079 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:27:34,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14372 states. [2024-11-28 02:27:35,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14372 to 14362. [2024-11-28 02:27:35,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14362 states, 14356 states have (on average 1.401434940094734) internal successors, (20119), 14361 states have internal predecessors, (20119), 0 states have call successors, (0), 0 states 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 02:27:35,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14362 states to 14362 states and 20119 transitions. [2024-11-28 02:27:35,551 INFO L78 Accepts]: Start accepts. Automaton has 14362 states and 20119 transitions. Word has length 78 [2024-11-28 02:27:35,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:35,551 INFO L471 AbstractCegarLoop]: Abstraction has 14362 states and 20119 transitions. [2024-11-28 02:27:35,552 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 02:27:35,552 INFO L276 IsEmpty]: Start isEmpty. Operand 14362 states and 20119 transitions. [2024-11-28 02:27:35,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-28 02:27:35,566 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:35,569 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] [2024-11-28 02:27:35,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:27:35,569 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:35,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:35,571 INFO L85 PathProgramCache]: Analyzing trace with hash -453781336, now seen corresponding path program 1 times [2024-11-28 02:27:35,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:35,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273040666] [2024-11-28 02:27:35,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:35,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:35,890 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 02:27:35,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:35,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273040666] [2024-11-28 02:27:35,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273040666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:35,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:35,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:27:35,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501173861] [2024-11-28 02:27:35,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:35,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:27:35,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:35,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:27:35,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:27:35,897 INFO L87 Difference]: Start difference. First operand 14362 states and 20119 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states 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 02:27:37,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:37,428 INFO L93 Difference]: Finished difference Result 30726 states and 43559 transitions. [2024-11-28 02:27:37,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:27:37,429 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-11-28 02:27:37,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:37,489 INFO L225 Difference]: With dead ends: 30726 [2024-11-28 02:27:37,489 INFO L226 Difference]: Without dead ends: 26270 [2024-11-28 02:27:37,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:27:37,502 INFO L435 NwaCegarLoop]: 693 mSDtfsCounter, 5221 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 1263 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5221 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 1380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:37,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5221 Valid, 1772 Invalid, 1380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1263 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:27:37,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26270 states. [2024-11-28 02:27:37,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26270 to 14410. [2024-11-28 02:27:37,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14410 states, 14404 states have (on average 1.4012079977783949) internal successors, (20183), 14409 states have internal predecessors, (20183), 0 states have call successors, (0), 0 states 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 02:27:37,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14410 states to 14410 states and 20183 transitions. [2024-11-28 02:27:37,899 INFO L78 Accepts]: Start accepts. Automaton has 14410 states and 20183 transitions. Word has length 79 [2024-11-28 02:27:37,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:37,900 INFO L471 AbstractCegarLoop]: Abstraction has 14410 states and 20183 transitions. [2024-11-28 02:27:37,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states 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 02:27:37,900 INFO L276 IsEmpty]: Start isEmpty. Operand 14410 states and 20183 transitions. [2024-11-28 02:27:37,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-28 02:27:37,912 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:37,912 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] [2024-11-28 02:27:37,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:27:37,912 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:37,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:37,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1721136855, now seen corresponding path program 1 times [2024-11-28 02:27:37,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:37,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708927622] [2024-11-28 02:27:37,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:37,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:38,167 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 02:27:38,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:38,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708927622] [2024-11-28 02:27:38,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708927622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:38,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:38,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:27:38,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662534881] [2024-11-28 02:27:38,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:38,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:27:38,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:38,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:27:38,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:27:38,169 INFO L87 Difference]: Start difference. First operand 14410 states and 20183 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states 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 02:27:39,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:39,950 INFO L93 Difference]: Finished difference Result 35958 states and 51040 transitions. [2024-11-28 02:27:39,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:27:39,950 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-11-28 02:27:39,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:40,039 INFO L225 Difference]: With dead ends: 35958 [2024-11-28 02:27:40,039 INFO L226 Difference]: Without dead ends: 30186 [2024-11-28 02:27:40,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:27:40,051 INFO L435 NwaCegarLoop]: 682 mSDtfsCounter, 5121 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 1287 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5121 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 1407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:40,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5121 Valid, 1741 Invalid, 1407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1287 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 02:27:40,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30186 states. [2024-11-28 02:27:40,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30186 to 14590. [2024-11-28 02:27:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14590 states, 14584 states have (on average 1.4003702687877126) internal successors, (20423), 14589 states have internal predecessors, (20423), 0 states have call successors, (0), 0 states 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 02:27:40,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14590 states to 14590 states and 20423 transitions. [2024-11-28 02:27:40,521 INFO L78 Accepts]: Start accepts. Automaton has 14590 states and 20423 transitions. Word has length 79 [2024-11-28 02:27:40,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:40,521 INFO L471 AbstractCegarLoop]: Abstraction has 14590 states and 20423 transitions. [2024-11-28 02:27:40,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states 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 02:27:40,522 INFO L276 IsEmpty]: Start isEmpty. Operand 14590 states and 20423 transitions. [2024-11-28 02:27:40,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-28 02:27:40,532 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:40,532 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] [2024-11-28 02:27:40,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:27:40,533 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:40,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:40,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1949723738, now seen corresponding path program 1 times [2024-11-28 02:27:40,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:40,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514691552] [2024-11-28 02:27:40,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:40,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:40,875 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 02:27:40,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:40,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514691552] [2024-11-28 02:27:40,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514691552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:40,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:40,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:27:40,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128059342] [2024-11-28 02:27:40,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:40,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:27:40,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:40,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:27:40,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:27:40,877 INFO L87 Difference]: Start difference. First operand 14590 states and 20423 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states 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 02:27:42,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:42,454 INFO L93 Difference]: Finished difference Result 33636 states and 47631 transitions. [2024-11-28 02:27:42,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:27:42,455 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-11-28 02:27:42,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:42,573 INFO L225 Difference]: With dead ends: 33636 [2024-11-28 02:27:42,573 INFO L226 Difference]: Without dead ends: 28158 [2024-11-28 02:27:42,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:27:42,591 INFO L435 NwaCegarLoop]: 669 mSDtfsCounter, 5076 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5076 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:42,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5076 Valid, 1716 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 02:27:42,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28158 states. [2024-11-28 02:27:43,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28158 to 14890. [2024-11-28 02:27:43,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14890 states, 14884 states have (on average 1.3992878258532653) internal successors, (20827), 14889 states have internal predecessors, (20827), 0 states have call successors, (0), 0 states 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 02:27:43,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14890 states to 14890 states and 20827 transitions. [2024-11-28 02:27:43,223 INFO L78 Accepts]: Start accepts. Automaton has 14890 states and 20827 transitions. Word has length 79 [2024-11-28 02:27:43,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:43,224 INFO L471 AbstractCegarLoop]: Abstraction has 14890 states and 20827 transitions. [2024-11-28 02:27:43,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states 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 02:27:43,224 INFO L276 IsEmpty]: Start isEmpty. Operand 14890 states and 20827 transitions. [2024-11-28 02:27:43,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 02:27:43,237 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:43,238 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] [2024-11-28 02:27:43,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:27:43,238 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:43,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:43,239 INFO L85 PathProgramCache]: Analyzing trace with hash 583742384, now seen corresponding path program 1 times [2024-11-28 02:27:43,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:43,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023223197] [2024-11-28 02:27:43,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:43,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:43,411 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 02:27:43,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:43,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023223197] [2024-11-28 02:27:43,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023223197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:43,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:43,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:27:43,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682620591] [2024-11-28 02:27:43,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:43,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:27:43,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:43,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:27:43,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:27:43,413 INFO L87 Difference]: Start difference. First operand 14890 states and 20827 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 02:27:44,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:44,297 INFO L93 Difference]: Finished difference Result 34132 states and 47923 transitions. [2024-11-28 02:27:44,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:27:44,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2024-11-28 02:27:44,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:44,326 INFO L225 Difference]: With dead ends: 34132 [2024-11-28 02:27:44,326 INFO L226 Difference]: Without dead ends: 20114 [2024-11-28 02:27:44,338 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 02:27:44,339 INFO L435 NwaCegarLoop]: 704 mSDtfsCounter, 4170 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4170 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:44,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4170 Valid, 921 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:27:44,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20114 states. [2024-11-28 02:27:44,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20114 to 14890. [2024-11-28 02:27:44,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14890 states, 14884 states have (on average 1.3955925826390756) internal successors, (20772), 14889 states have internal predecessors, (20772), 0 states have call successors, (0), 0 states 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 02:27:44,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14890 states to 14890 states and 20772 transitions. [2024-11-28 02:27:44,645 INFO L78 Accepts]: Start accepts. Automaton has 14890 states and 20772 transitions. Word has length 80 [2024-11-28 02:27:44,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:44,645 INFO L471 AbstractCegarLoop]: Abstraction has 14890 states and 20772 transitions. [2024-11-28 02:27:44,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 02:27:44,645 INFO L276 IsEmpty]: Start isEmpty. Operand 14890 states and 20772 transitions. [2024-11-28 02:27:44,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 02:27:44,653 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:44,654 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] [2024-11-28 02:27:44,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:27:44,654 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:44,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:44,655 INFO L85 PathProgramCache]: Analyzing trace with hash -2109644858, now seen corresponding path program 1 times [2024-11-28 02:27:44,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:44,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230985757] [2024-11-28 02:27:44,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:44,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:45,090 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 02:27:45,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:45,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230985757] [2024-11-28 02:27:45,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230985757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:45,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:45,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:27:45,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260436343] [2024-11-28 02:27:45,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:45,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:27:45,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:45,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:27:45,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:27:45,094 INFO L87 Difference]: Start difference. First operand 14890 states and 20772 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 02:27:45,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:45,225 INFO L93 Difference]: Finished difference Result 14890 states and 20772 transitions. [2024-11-28 02:27:45,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:27:45,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2024-11-28 02:27:45,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:45,240 INFO L225 Difference]: With dead ends: 14890 [2024-11-28 02:27:45,240 INFO L226 Difference]: Without dead ends: 14888 [2024-11-28 02:27:45,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:27:45,245 INFO L435 NwaCegarLoop]: 1182 mSDtfsCounter, 0 mSDsluCounter, 2307 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3489 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:45,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3489 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:27:45,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14888 states. [2024-11-28 02:27:45,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14888 to 14888. [2024-11-28 02:27:45,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14888 states, 14883 states have (on average 1.3932002956393201) internal successors, (20735), 14887 states have internal predecessors, (20735), 0 states have call successors, (0), 0 states 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 02:27:45,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14888 states to 14888 states and 20735 transitions. [2024-11-28 02:27:45,499 INFO L78 Accepts]: Start accepts. Automaton has 14888 states and 20735 transitions. Word has length 80 [2024-11-28 02:27:45,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:45,499 INFO L471 AbstractCegarLoop]: Abstraction has 14888 states and 20735 transitions. [2024-11-28 02:27:45,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 02:27:45,499 INFO L276 IsEmpty]: Start isEmpty. Operand 14888 states and 20735 transitions. [2024-11-28 02:27:45,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 02:27:45,507 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:45,507 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] [2024-11-28 02:27:45,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:27:45,509 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:45,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:45,511 INFO L85 PathProgramCache]: Analyzing trace with hash 501951513, now seen corresponding path program 1 times [2024-11-28 02:27:45,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:45,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184592222] [2024-11-28 02:27:45,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:45,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:45,905 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 02:27:45,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:45,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184592222] [2024-11-28 02:27:45,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184592222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:45,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:45,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:27:45,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743224741] [2024-11-28 02:27:45,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:45,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:27:45,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:45,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:27:45,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:27:45,906 INFO L87 Difference]: Start difference. First operand 14888 states and 20735 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 02:27:46,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:46,032 INFO L93 Difference]: Finished difference Result 14888 states and 20735 transitions. [2024-11-28 02:27:46,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:27:46,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2024-11-28 02:27:46,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:46,049 INFO L225 Difference]: With dead ends: 14888 [2024-11-28 02:27:46,050 INFO L226 Difference]: Without dead ends: 14886 [2024-11-28 02:27:46,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:27:46,055 INFO L435 NwaCegarLoop]: 1180 mSDtfsCounter, 0 mSDsluCounter, 2303 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3483 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:46,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3483 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:27:46,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14886 states. [2024-11-28 02:27:46,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14886 to 14886. [2024-11-28 02:27:46,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14886 states, 14882 states have (on average 1.3908076871388255) internal successors, (20698), 14885 states have internal predecessors, (20698), 0 states have call successors, (0), 0 states 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 02:27:46,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14886 states to 14886 states and 20698 transitions. [2024-11-28 02:27:46,363 INFO L78 Accepts]: Start accepts. Automaton has 14886 states and 20698 transitions. Word has length 80 [2024-11-28 02:27:46,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:46,363 INFO L471 AbstractCegarLoop]: Abstraction has 14886 states and 20698 transitions. [2024-11-28 02:27:46,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 02:27:46,363 INFO L276 IsEmpty]: Start isEmpty. Operand 14886 states and 20698 transitions. [2024-11-28 02:27:46,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 02:27:46,373 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:46,373 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] [2024-11-28 02:27:46,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:27:46,373 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:46,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:46,373 INFO L85 PathProgramCache]: Analyzing trace with hash -327033425, now seen corresponding path program 1 times [2024-11-28 02:27:46,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:46,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709885203] [2024-11-28 02:27:46,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:46,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:46,542 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 02:27:46,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:46,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709885203] [2024-11-28 02:27:46,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709885203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:46,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:46,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:27:46,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832984903] [2024-11-28 02:27:46,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:46,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:27:46,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:46,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:27:46,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:27:46,544 INFO L87 Difference]: Start difference. First operand 14886 states and 20698 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 02:27:47,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:47,474 INFO L93 Difference]: Finished difference Result 33334 states and 46324 transitions. [2024-11-28 02:27:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:27:47,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2024-11-28 02:27:47,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:47,497 INFO L225 Difference]: With dead ends: 33334 [2024-11-28 02:27:47,497 INFO L226 Difference]: Without dead ends: 19253 [2024-11-28 02:27:47,511 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 02:27:47,513 INFO L435 NwaCegarLoop]: 626 mSDtfsCounter, 3623 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3623 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:47,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3623 Valid, 782 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:27:47,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19253 states. [2024-11-28 02:27:47,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19253 to 19193. [2024-11-28 02:27:47,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19193 states, 19189 states have (on average 1.3771952681223618) internal successors, (26427), 19192 states have internal predecessors, (26427), 0 states have call successors, (0), 0 states 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 02:27:47,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19193 states to 19193 states and 26427 transitions. [2024-11-28 02:27:47,764 INFO L78 Accepts]: Start accepts. Automaton has 19193 states and 26427 transitions. Word has length 80 [2024-11-28 02:27:47,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:47,764 INFO L471 AbstractCegarLoop]: Abstraction has 19193 states and 26427 transitions. [2024-11-28 02:27:47,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states 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 02:27:47,764 INFO L276 IsEmpty]: Start isEmpty. Operand 19193 states and 26427 transitions. [2024-11-28 02:27:47,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-28 02:27:47,773 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:47,773 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 02:27:47,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:27:47,773 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:47,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:47,774 INFO L85 PathProgramCache]: Analyzing trace with hash 324015783, now seen corresponding path program 1 times [2024-11-28 02:27:47,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:47,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059095115] [2024-11-28 02:27:47,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:47,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:48,087 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 02:27:48,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:48,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059095115] [2024-11-28 02:27:48,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059095115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:48,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:48,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:27:48,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196387304] [2024-11-28 02:27:48,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:48,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:27:48,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:48,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:27:48,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:27:48,092 INFO L87 Difference]: Start difference. First operand 19193 states and 26427 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 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 02:27:49,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:49,244 INFO L93 Difference]: Finished difference Result 40009 states and 55368 transitions. [2024-11-28 02:27:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:27:49,245 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 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 02:27:49,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:49,276 INFO L225 Difference]: With dead ends: 40009 [2024-11-28 02:27:49,276 INFO L226 Difference]: Without dead ends: 30625 [2024-11-28 02:27:49,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:27:49,289 INFO L435 NwaCegarLoop]: 697 mSDtfsCounter, 4609 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4609 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:49,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4609 Valid, 1607 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 02:27:49,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30625 states. [2024-11-28 02:27:49,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30625 to 19277. [2024-11-28 02:27:49,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19277 states, 19273 states have (on average 1.3767965547657344) internal successors, (26535), 19276 states have internal predecessors, (26535), 0 states have call successors, (0), 0 states 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 02:27:49,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19277 states to 19277 states and 26535 transitions. [2024-11-28 02:27:49,817 INFO L78 Accepts]: Start accepts. Automaton has 19277 states and 26535 transitions. Word has length 81 [2024-11-28 02:27:49,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:49,818 INFO L471 AbstractCegarLoop]: Abstraction has 19277 states and 26535 transitions. [2024-11-28 02:27:49,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 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 02:27:49,818 INFO L276 IsEmpty]: Start isEmpty. Operand 19277 states and 26535 transitions. [2024-11-28 02:27:49,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-28 02:27:49,829 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:49,829 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 02:27:49,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 02:27:49,829 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:49,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:49,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1289503009, now seen corresponding path program 1 times [2024-11-28 02:27:49,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:49,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151702061] [2024-11-28 02:27:49,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:49,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:50,108 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 02:27:50,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:50,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151702061] [2024-11-28 02:27:50,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151702061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:50,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:50,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:27:50,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871132206] [2024-11-28 02:27:50,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:50,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:27:50,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:50,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:27:50,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:27:50,111 INFO L87 Difference]: Start difference. First operand 19277 states and 26535 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 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 02:27:51,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:51,714 INFO L93 Difference]: Finished difference Result 43624 states and 60504 transitions. [2024-11-28 02:27:51,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:27:51,715 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 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 02:27:51,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:51,763 INFO L225 Difference]: With dead ends: 43624 [2024-11-28 02:27:51,764 INFO L226 Difference]: Without dead ends: 35934 [2024-11-28 02:27:51,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:27:51,779 INFO L435 NwaCegarLoop]: 627 mSDtfsCounter, 4811 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 1343 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4811 SdHoareTripleChecker+Valid, 1688 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:51,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4811 Valid, 1688 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1343 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:27:51,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35934 states. [2024-11-28 02:27:52,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35934 to 19784. [2024-11-28 02:27:52,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19784 states, 19780 states have (on average 1.3761880687563195) internal successors, (27221), 19783 states have internal predecessors, (27221), 0 states have call successors, (0), 0 states 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 02:27:52,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19784 states to 19784 states and 27221 transitions. [2024-11-28 02:27:52,333 INFO L78 Accepts]: Start accepts. Automaton has 19784 states and 27221 transitions. Word has length 81 [2024-11-28 02:27:52,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:52,333 INFO L471 AbstractCegarLoop]: Abstraction has 19784 states and 27221 transitions. [2024-11-28 02:27:52,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 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 02:27:52,333 INFO L276 IsEmpty]: Start isEmpty. Operand 19784 states and 27221 transitions. [2024-11-28 02:27:52,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-28 02:27:52,339 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:52,339 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 02:27:52,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 02:27:52,340 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:52,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:52,340 INFO L85 PathProgramCache]: Analyzing trace with hash -677267389, now seen corresponding path program 1 times [2024-11-28 02:27:52,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:52,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937415404] [2024-11-28 02:27:52,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:52,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:52,730 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 02:27:52,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:52,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937415404] [2024-11-28 02:27:52,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937415404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:52,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:52,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:27:52,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840634038] [2024-11-28 02:27:52,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:52,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:27:52,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:52,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:27:52,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:27:52,732 INFO L87 Difference]: Start difference. First operand 19784 states and 27221 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 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 02:27:52,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:52,878 INFO L93 Difference]: Finished difference Result 19784 states and 27221 transitions. [2024-11-28 02:27:52,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:27:52,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 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 02:27:52,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:52,902 INFO L225 Difference]: With dead ends: 19784 [2024-11-28 02:27:52,902 INFO L226 Difference]: Without dead ends: 19782 [2024-11-28 02:27:52,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:27:52,908 INFO L435 NwaCegarLoop]: 1129 mSDtfsCounter, 0 mSDsluCounter, 2201 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3330 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:52,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3330 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:27:52,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19782 states. [2024-11-28 02:27:53,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19782 to 19782. [2024-11-28 02:27:53,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19782 states, 19779 states have (on average 1.37347691996562) internal successors, (27166), 19781 states have internal predecessors, (27166), 0 states have call successors, (0), 0 states 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 02:27:53,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19782 states to 19782 states and 27166 transitions. [2024-11-28 02:27:53,188 INFO L78 Accepts]: Start accepts. Automaton has 19782 states and 27166 transitions. Word has length 82 [2024-11-28 02:27:53,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:53,188 INFO L471 AbstractCegarLoop]: Abstraction has 19782 states and 27166 transitions. [2024-11-28 02:27:53,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 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 02:27:53,189 INFO L276 IsEmpty]: Start isEmpty. Operand 19782 states and 27166 transitions. [2024-11-28 02:27:53,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-28 02:27:53,198 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:53,198 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 02:27:53,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 02:27:53,199 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:53,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:53,200 INFO L85 PathProgramCache]: Analyzing trace with hash -2026028216, now seen corresponding path program 1 times [2024-11-28 02:27:53,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:53,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293939936] [2024-11-28 02:27:53,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:53,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:53,532 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 02:27:53,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:53,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293939936] [2024-11-28 02:27:53,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293939936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:53,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:53,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:27:53,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492106806] [2024-11-28 02:27:53,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:53,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:27:53,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:53,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:27:53,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:27:53,535 INFO L87 Difference]: Start difference. First operand 19782 states and 27166 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 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 02:27:53,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:53,675 INFO L93 Difference]: Finished difference Result 19782 states and 27166 transitions. [2024-11-28 02:27:53,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:27:53,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 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 02:27:53,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:53,694 INFO L225 Difference]: With dead ends: 19782 [2024-11-28 02:27:53,694 INFO L226 Difference]: Without dead ends: 19780 [2024-11-28 02:27:53,700 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:27:53,701 INFO L435 NwaCegarLoop]: 1127 mSDtfsCounter, 0 mSDsluCounter, 2197 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3324 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:53,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3324 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:27:53,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19780 states. [2024-11-28 02:27:53,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19780 to 19780. [2024-11-28 02:27:53,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19780 states, 19778 states have (on average 1.3707654970168874) internal successors, (27111), 19779 states have internal predecessors, (27111), 0 states have call successors, (0), 0 states 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 02:27:53,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19780 states to 19780 states and 27111 transitions. [2024-11-28 02:27:53,974 INFO L78 Accepts]: Start accepts. Automaton has 19780 states and 27111 transitions. Word has length 82 [2024-11-28 02:27:53,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:53,974 INFO L471 AbstractCegarLoop]: Abstraction has 19780 states and 27111 transitions. [2024-11-28 02:27:53,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 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 02:27:53,974 INFO L276 IsEmpty]: Start isEmpty. Operand 19780 states and 27111 transitions. [2024-11-28 02:27:53,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 02:27:53,982 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:53,982 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] [2024-11-28 02:27:53,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 02:27:53,982 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:53,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:53,982 INFO L85 PathProgramCache]: Analyzing trace with hash 737634818, now seen corresponding path program 1 times [2024-11-28 02:27:53,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:53,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495211171] [2024-11-28 02:27:53,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:53,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:54,358 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 02:27:54,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:54,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495211171] [2024-11-28 02:27:54,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495211171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:54,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:54,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:27:54,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215372128] [2024-11-28 02:27:54,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:54,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:27:54,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:54,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:27:54,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:27:54,360 INFO L87 Difference]: Start difference. First operand 19780 states and 27111 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states 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 02:27:54,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:54,513 INFO L93 Difference]: Finished difference Result 19780 states and 27111 transitions. [2024-11-28 02:27:54,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:27:54,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2024-11-28 02:27:54,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:54,535 INFO L225 Difference]: With dead ends: 19780 [2024-11-28 02:27:54,535 INFO L226 Difference]: Without dead ends: 19778 [2024-11-28 02:27:54,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:27:54,542 INFO L435 NwaCegarLoop]: 1125 mSDtfsCounter, 0 mSDsluCounter, 2193 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3318 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:54,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3318 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:27:54,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19778 states. [2024-11-28 02:27:54,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19778 to 19778. [2024-11-28 02:27:54,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19778 states, 19777 states have (on average 1.3666885776406936) internal successors, (27029), 19777 states have internal predecessors, (27029), 0 states have call successors, (0), 0 states 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 02:27:54,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19778 states to 19778 states and 27029 transitions. [2024-11-28 02:27:54,820 INFO L78 Accepts]: Start accepts. Automaton has 19778 states and 27029 transitions. Word has length 84 [2024-11-28 02:27:54,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:54,821 INFO L471 AbstractCegarLoop]: Abstraction has 19778 states and 27029 transitions. [2024-11-28 02:27:54,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states 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 02:27:54,822 INFO L276 IsEmpty]: Start isEmpty. Operand 19778 states and 27029 transitions. [2024-11-28 02:27:54,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 02:27:54,833 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:54,833 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 02:27:54,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 02:27:54,834 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:54,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:54,834 INFO L85 PathProgramCache]: Analyzing trace with hash 541501968, now seen corresponding path program 1 times [2024-11-28 02:27:54,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:54,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545923978] [2024-11-28 02:27:54,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:54,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:55,251 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 02:27:55,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:55,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545923978] [2024-11-28 02:27:55,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545923978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:55,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:55,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:27:55,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989737861] [2024-11-28 02:27:55,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:55,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:27:55,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:55,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:27:55,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:27:55,253 INFO L87 Difference]: Start difference. First operand 19778 states and 27029 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 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 02:27:56,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:56,854 INFO L93 Difference]: Finished difference Result 40873 states and 56727 transitions. [2024-11-28 02:27:56,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:27:56,855 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 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 02:27:56,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:56,877 INFO L225 Difference]: With dead ends: 40873 [2024-11-28 02:27:56,877 INFO L226 Difference]: Without dead ends: 29625 [2024-11-28 02:27:56,886 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 02:27:56,887 INFO L435 NwaCegarLoop]: 697 mSDtfsCounter, 5697 mSDsluCounter, 2046 mSDsCounter, 0 mSdLazyCounter, 1950 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5697 SdHoareTripleChecker+Valid, 2743 SdHoareTripleChecker+Invalid, 1990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:56,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5697 Valid, 2743 Invalid, 1990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1950 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:27:56,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29625 states. [2024-11-28 02:27:57,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29625 to 19744. [2024-11-28 02:27:57,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19744 states, 19743 states have (on average 1.3664083472623207) internal successors, (26977), 19743 states have internal predecessors, (26977), 0 states have call successors, (0), 0 states 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 02:27:57,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19744 states to 19744 states and 26977 transitions. [2024-11-28 02:27:57,237 INFO L78 Accepts]: Start accepts. Automaton has 19744 states and 26977 transitions. Word has length 85 [2024-11-28 02:27:57,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:57,238 INFO L471 AbstractCegarLoop]: Abstraction has 19744 states and 26977 transitions. [2024-11-28 02:27:57,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 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 02:27:57,238 INFO L276 IsEmpty]: Start isEmpty. Operand 19744 states and 26977 transitions. [2024-11-28 02:27:57,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 02:27:57,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:57,248 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 02:27:57,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 02:27:57,249 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:57,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:57,249 INFO L85 PathProgramCache]: Analyzing trace with hash -777579654, now seen corresponding path program 1 times [2024-11-28 02:27:57,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:57,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770596656] [2024-11-28 02:27:57,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:57,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:57,426 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 02:27:57,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:57,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770596656] [2024-11-28 02:27:57,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770596656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:57,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:57,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:27:57,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133560294] [2024-11-28 02:27:57,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:57,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:27:57,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:57,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:27:57,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:27:57,428 INFO L87 Difference]: Start difference. First operand 19744 states and 26977 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) 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 02:27:58,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:27:58,714 INFO L93 Difference]: Finished difference Result 46848 states and 65064 transitions. [2024-11-28 02:27:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:27:58,715 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) 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 02:27:58,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:27:58,743 INFO L225 Difference]: With dead ends: 46848 [2024-11-28 02:27:58,743 INFO L226 Difference]: Without dead ends: 39284 [2024-11-28 02:27:58,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:27:58,754 INFO L435 NwaCegarLoop]: 659 mSDtfsCounter, 4835 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 1185 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4835 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 1311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 1185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:27:58,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4835 Valid, 1696 Invalid, 1311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 1185 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 02:27:58,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39284 states. [2024-11-28 02:27:59,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39284 to 19804. [2024-11-28 02:27:59,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19804 states, 19803 states have (on average 1.3663081351310407) internal successors, (27057), 19803 states have internal predecessors, (27057), 0 states have call successors, (0), 0 states 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 02:27:59,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19804 states to 19804 states and 27057 transitions. [2024-11-28 02:27:59,050 INFO L78 Accepts]: Start accepts. Automaton has 19804 states and 27057 transitions. Word has length 85 [2024-11-28 02:27:59,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:27:59,050 INFO L471 AbstractCegarLoop]: Abstraction has 19804 states and 27057 transitions. [2024-11-28 02:27:59,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) 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 02:27:59,050 INFO L276 IsEmpty]: Start isEmpty. Operand 19804 states and 27057 transitions. [2024-11-28 02:27:59,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 02:27:59,058 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:27:59,058 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 02:27:59,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 02:27:59,059 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:27:59,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:27:59,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1961391530, now seen corresponding path program 1 times [2024-11-28 02:27:59,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:27:59,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856428774] [2024-11-28 02:27:59,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:27:59,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:27:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:27:59,229 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 02:27:59,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:27:59,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856428774] [2024-11-28 02:27:59,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856428774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:27:59,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:27:59,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:27:59,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929673366] [2024-11-28 02:27:59,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:27:59,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:27:59,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:27:59,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:27:59,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:27:59,231 INFO L87 Difference]: Start difference. First operand 19804 states and 27057 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) 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 02:28:00,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:00,459 INFO L93 Difference]: Finished difference Result 43418 states and 60027 transitions. [2024-11-28 02:28:00,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:28:00,459 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) 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 02:28:00,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:00,487 INFO L225 Difference]: With dead ends: 43418 [2024-11-28 02:28:00,487 INFO L226 Difference]: Without dead ends: 35946 [2024-11-28 02:28:00,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:28:00,497 INFO L435 NwaCegarLoop]: 621 mSDtfsCounter, 4776 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4776 SdHoareTripleChecker+Valid, 1676 SdHoareTripleChecker+Invalid, 1468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:00,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4776 Valid, 1676 Invalid, 1468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1340 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 02:28:00,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35946 states. [2024-11-28 02:28:00,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35946 to 19894. [2024-11-28 02:28:00,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19894 states, 19893 states have (on average 1.3661589503845575) internal successors, (27177), 19893 states have internal predecessors, (27177), 0 states have call successors, (0), 0 states 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 02:28:00,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19894 states to 19894 states and 27177 transitions. [2024-11-28 02:28:00,941 INFO L78 Accepts]: Start accepts. Automaton has 19894 states and 27177 transitions. Word has length 85 [2024-11-28 02:28:00,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:00,942 INFO L471 AbstractCegarLoop]: Abstraction has 19894 states and 27177 transitions. [2024-11-28 02:28:00,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) 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 02:28:00,942 INFO L276 IsEmpty]: Start isEmpty. Operand 19894 states and 27177 transitions. [2024-11-28 02:28:00,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 02:28:00,952 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:00,952 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 02:28:00,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 02:28:00,952 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:00,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:00,953 INFO L85 PathProgramCache]: Analyzing trace with hash 385836517, now seen corresponding path program 1 times [2024-11-28 02:28:00,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:00,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039022507] [2024-11-28 02:28:00,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:00,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:01,361 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 02:28:01,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:01,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039022507] [2024-11-28 02:28:01,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039022507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:01,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:01,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:28:01,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499654708] [2024-11-28 02:28:01,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:01,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:28:01,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:01,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:28:01,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:28:01,363 INFO L87 Difference]: Start difference. First operand 19894 states and 27177 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 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 02:28:02,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:02,967 INFO L93 Difference]: Finished difference Result 40344 states and 55944 transitions. [2024-11-28 02:28:02,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:28:02,968 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 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 02:28:02,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:02,989 INFO L225 Difference]: With dead ends: 40344 [2024-11-28 02:28:02,989 INFO L226 Difference]: Without dead ends: 29152 [2024-11-28 02:28:02,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:28:03,000 INFO L435 NwaCegarLoop]: 724 mSDtfsCounter, 5049 mSDsluCounter, 2485 mSDsCounter, 0 mSdLazyCounter, 2472 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5049 SdHoareTripleChecker+Valid, 3209 SdHoareTripleChecker+Invalid, 2503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:03,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5049 Valid, 3209 Invalid, 2503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2472 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:28:03,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29152 states. [2024-11-28 02:28:03,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29152 to 19888. [2024-11-28 02:28:03,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19888 states, 19887 states have (on average 1.3656660129732991) internal successors, (27159), 19887 states have internal predecessors, (27159), 0 states have call successors, (0), 0 states 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 02:28:03,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19888 states to 19888 states and 27159 transitions. [2024-11-28 02:28:03,251 INFO L78 Accepts]: Start accepts. Automaton has 19888 states and 27159 transitions. Word has length 85 [2024-11-28 02:28:03,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:03,251 INFO L471 AbstractCegarLoop]: Abstraction has 19888 states and 27159 transitions. [2024-11-28 02:28:03,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 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 02:28:03,251 INFO L276 IsEmpty]: Start isEmpty. Operand 19888 states and 27159 transitions. [2024-11-28 02:28:03,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 02:28:03,261 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:03,261 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 02:28:03,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 02:28:03,261 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:03,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:03,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1096211298, now seen corresponding path program 1 times [2024-11-28 02:28:03,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:03,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932094372] [2024-11-28 02:28:03,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:03,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:03,683 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 02:28:03,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:03,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932094372] [2024-11-28 02:28:03,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932094372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:03,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:03,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:28:03,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661495958] [2024-11-28 02:28:03,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:03,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:28:03,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:03,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:28:03,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:28:03,685 INFO L87 Difference]: Start difference. First operand 19888 states and 27159 transitions. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 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 02:28:05,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:05,369 INFO L93 Difference]: Finished difference Result 32461 states and 44506 transitions. [2024-11-28 02:28:05,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:28:05,369 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 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 02:28:05,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:05,388 INFO L225 Difference]: With dead ends: 32461 [2024-11-28 02:28:05,388 INFO L226 Difference]: Without dead ends: 28544 [2024-11-28 02:28:05,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:28:05,396 INFO L435 NwaCegarLoop]: 632 mSDtfsCounter, 3678 mSDsluCounter, 2581 mSDsCounter, 0 mSdLazyCounter, 2742 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3678 SdHoareTripleChecker+Valid, 3213 SdHoareTripleChecker+Invalid, 2753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:05,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3678 Valid, 3213 Invalid, 2753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2742 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 02:28:05,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28544 states. [2024-11-28 02:28:05,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28544 to 19892. [2024-11-28 02:28:05,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19892 states, 19891 states have (on average 1.3655422050173445) internal successors, (27162), 19891 states have internal predecessors, (27162), 0 states have call successors, (0), 0 states 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 02:28:05,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19892 states to 19892 states and 27162 transitions. [2024-11-28 02:28:05,626 INFO L78 Accepts]: Start accepts. Automaton has 19892 states and 27162 transitions. Word has length 85 [2024-11-28 02:28:05,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:05,626 INFO L471 AbstractCegarLoop]: Abstraction has 19892 states and 27162 transitions. [2024-11-28 02:28:05,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 9 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 02:28:05,626 INFO L276 IsEmpty]: Start isEmpty. Operand 19892 states and 27162 transitions. [2024-11-28 02:28:05,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 02:28:05,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:05,632 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] [2024-11-28 02:28:05,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 02:28:05,633 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:05,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:05,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1328007044, now seen corresponding path program 1 times [2024-11-28 02:28:05,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:05,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078104091] [2024-11-28 02:28:05,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:05,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:05,969 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 02:28:05,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:05,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078104091] [2024-11-28 02:28:05,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078104091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:05,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:05,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:28:05,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833459377] [2024-11-28 02:28:05,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:05,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:28:05,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:05,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:28:05,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:28:05,972 INFO L87 Difference]: Start difference. First operand 19892 states and 27162 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 02:28:07,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:07,244 INFO L93 Difference]: Finished difference Result 41117 states and 57066 transitions. [2024-11-28 02:28:07,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:28:07,245 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-11-28 02:28:07,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:07,267 INFO L225 Difference]: With dead ends: 41117 [2024-11-28 02:28:07,267 INFO L226 Difference]: Without dead ends: 29477 [2024-11-28 02:28:07,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:28:07,277 INFO L435 NwaCegarLoop]: 690 mSDtfsCounter, 2852 mSDsluCounter, 2038 mSDsCounter, 0 mSdLazyCounter, 1838 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2852 SdHoareTripleChecker+Valid, 2728 SdHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:07,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2852 Valid, 2728 Invalid, 1873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1838 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 02:28:07,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29477 states. [2024-11-28 02:28:07,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29477 to 19650. [2024-11-28 02:28:07,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19650 states, 19649 states have (on average 1.3655656776426282) internal successors, (26832), 19649 states have internal predecessors, (26832), 0 states have call successors, (0), 0 states 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 02:28:07,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19650 states to 19650 states and 26832 transitions. [2024-11-28 02:28:07,597 INFO L78 Accepts]: Start accepts. Automaton has 19650 states and 26832 transitions. Word has length 86 [2024-11-28 02:28:07,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:07,597 INFO L471 AbstractCegarLoop]: Abstraction has 19650 states and 26832 transitions. [2024-11-28 02:28:07,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 02:28:07,597 INFO L276 IsEmpty]: Start isEmpty. Operand 19650 states and 26832 transitions. [2024-11-28 02:28:07,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 02:28:07,604 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:07,604 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] [2024-11-28 02:28:07,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 02:28:07,604 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:07,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:07,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1513152942, now seen corresponding path program 1 times [2024-11-28 02:28:07,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:07,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878830416] [2024-11-28 02:28:07,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:07,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:08,477 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 02:28:08,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:08,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878830416] [2024-11-28 02:28:08,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878830416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:08,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:08,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 02:28:08,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784065970] [2024-11-28 02:28:08,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:08,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 02:28:08,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:08,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 02:28:08,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:28:08,479 INFO L87 Difference]: Start difference. First operand 19650 states and 26832 transitions. Second operand has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 02:28:09,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:09,466 INFO L93 Difference]: Finished difference Result 46217 states and 64259 transitions. [2024-11-28 02:28:09,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 02:28:09,466 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-11-28 02:28:09,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:09,489 INFO L225 Difference]: With dead ends: 46217 [2024-11-28 02:28:09,489 INFO L226 Difference]: Without dead ends: 34363 [2024-11-28 02:28:09,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2024-11-28 02:28:09,499 INFO L435 NwaCegarLoop]: 984 mSDtfsCounter, 4871 mSDsluCounter, 4561 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4871 SdHoareTripleChecker+Valid, 5545 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:09,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4871 Valid, 5545 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:28:09,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34363 states. [2024-11-28 02:28:09,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34363 to 18964. [2024-11-28 02:28:09,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18964 states, 18963 states have (on average 1.3672942045035068) internal successors, (25928), 18963 states have internal predecessors, (25928), 0 states have call successors, (0), 0 states 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 02:28:09,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18964 states to 18964 states and 25928 transitions. [2024-11-28 02:28:09,731 INFO L78 Accepts]: Start accepts. Automaton has 18964 states and 25928 transitions. Word has length 86 [2024-11-28 02:28:09,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:09,732 INFO L471 AbstractCegarLoop]: Abstraction has 18964 states and 25928 transitions. [2024-11-28 02:28:09,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 02:28:09,732 INFO L276 IsEmpty]: Start isEmpty. Operand 18964 states and 25928 transitions. [2024-11-28 02:28:09,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 02:28:09,737 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:09,737 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] [2024-11-28 02:28:09,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 02:28:09,738 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:09,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:09,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1121074984, now seen corresponding path program 1 times [2024-11-28 02:28:09,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:09,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9137697] [2024-11-28 02:28:09,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:09,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:09,905 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 02:28:09,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:09,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9137697] [2024-11-28 02:28:09,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9137697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:09,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:09,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:28:09,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112339354] [2024-11-28 02:28:09,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:09,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:28:09,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:09,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:28:09,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:28:09,907 INFO L87 Difference]: Start difference. First operand 18964 states and 25928 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 02:28:11,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:11,168 INFO L93 Difference]: Finished difference Result 42454 states and 58762 transitions. [2024-11-28 02:28:11,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:28:11,169 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-11-28 02:28:11,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:11,206 INFO L225 Difference]: With dead ends: 42454 [2024-11-28 02:28:11,206 INFO L226 Difference]: Without dead ends: 34946 [2024-11-28 02:28:11,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:28:11,219 INFO L435 NwaCegarLoop]: 584 mSDtfsCounter, 4394 mSDsluCounter, 1000 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4394 SdHoareTripleChecker+Valid, 1584 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:11,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4394 Valid, 1584 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1231 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 02:28:11,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34946 states. [2024-11-28 02:28:11,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34946 to 19159. [2024-11-28 02:28:11,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19159 states, 19158 states have (on average 1.3672095208268087) internal successors, (26193), 19158 states have internal predecessors, (26193), 0 states have call successors, (0), 0 states 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 02:28:11,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19159 states to 19159 states and 26193 transitions. [2024-11-28 02:28:11,659 INFO L78 Accepts]: Start accepts. Automaton has 19159 states and 26193 transitions. Word has length 86 [2024-11-28 02:28:11,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:11,659 INFO L471 AbstractCegarLoop]: Abstraction has 19159 states and 26193 transitions. [2024-11-28 02:28:11,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 02:28:11,660 INFO L276 IsEmpty]: Start isEmpty. Operand 19159 states and 26193 transitions. [2024-11-28 02:28:11,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 02:28:11,666 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:11,667 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] [2024-11-28 02:28:11,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 02:28:11,667 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:11,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:11,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1752557270, now seen corresponding path program 1 times [2024-11-28 02:28:11,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:11,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018047899] [2024-11-28 02:28:11,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:11,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:12,291 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 02:28:12,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:12,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018047899] [2024-11-28 02:28:12,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018047899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:12,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:12,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 02:28:12,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742776741] [2024-11-28 02:28:12,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:12,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:28:12,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:12,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:28:12,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:28:12,292 INFO L87 Difference]: Start difference. First operand 19159 states and 26193 transitions. Second operand has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 02:28:13,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:13,439 INFO L93 Difference]: Finished difference Result 43469 states and 60644 transitions. [2024-11-28 02:28:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:28:13,439 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-11-28 02:28:13,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:13,476 INFO L225 Difference]: With dead ends: 43469 [2024-11-28 02:28:13,476 INFO L226 Difference]: Without dead ends: 31593 [2024-11-28 02:28:13,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-11-28 02:28:13,490 INFO L435 NwaCegarLoop]: 940 mSDtfsCounter, 4923 mSDsluCounter, 4881 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4923 SdHoareTripleChecker+Valid, 5821 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:13,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4923 Valid, 5821 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 02:28:13,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31593 states. [2024-11-28 02:28:13,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31593 to 18443. [2024-11-28 02:28:13,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18443 states, 18442 states have (on average 1.369103134150309) internal successors, (25249), 18442 states have internal predecessors, (25249), 0 states have call successors, (0), 0 states 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 02:28:13,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18443 states to 18443 states and 25249 transitions. [2024-11-28 02:28:13,746 INFO L78 Accepts]: Start accepts. Automaton has 18443 states and 25249 transitions. Word has length 86 [2024-11-28 02:28:13,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:13,746 INFO L471 AbstractCegarLoop]: Abstraction has 18443 states and 25249 transitions. [2024-11-28 02:28:13,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 02:28:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 18443 states and 25249 transitions. [2024-11-28 02:28:13,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 02:28:13,753 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:13,753 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] [2024-11-28 02:28:13,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 02:28:13,753 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:13,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:13,753 INFO L85 PathProgramCache]: Analyzing trace with hash -848609455, now seen corresponding path program 1 times [2024-11-28 02:28:13,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:13,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145607148] [2024-11-28 02:28:13,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:13,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:14,178 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 02:28:14,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:14,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145607148] [2024-11-28 02:28:14,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145607148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:14,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:14,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:28:14,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642846789] [2024-11-28 02:28:14,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:14,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:28:14,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:14,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:28:14,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:28:14,180 INFO L87 Difference]: Start difference. First operand 18443 states and 25249 transitions. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 02:28:15,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:15,752 INFO L93 Difference]: Finished difference Result 32794 states and 45214 transitions. [2024-11-28 02:28:15,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:28:15,753 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-11-28 02:28:15,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:15,771 INFO L225 Difference]: With dead ends: 32794 [2024-11-28 02:28:15,771 INFO L226 Difference]: Without dead ends: 26869 [2024-11-28 02:28:15,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-28 02:28:15,780 INFO L435 NwaCegarLoop]: 564 mSDtfsCounter, 3319 mSDsluCounter, 2293 mSDsCounter, 0 mSdLazyCounter, 2391 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3319 SdHoareTripleChecker+Valid, 2857 SdHoareTripleChecker+Invalid, 2402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:15,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3319 Valid, 2857 Invalid, 2402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2391 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:28:15,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26869 states. [2024-11-28 02:28:15,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26869 to 18439. [2024-11-28 02:28:15,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18439 states, 18438 states have (on average 1.3689662653216184) internal successors, (25241), 18438 states have internal predecessors, (25241), 0 states have call successors, (0), 0 states 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 02:28:15,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18439 states to 18439 states and 25241 transitions. [2024-11-28 02:28:15,999 INFO L78 Accepts]: Start accepts. Automaton has 18439 states and 25241 transitions. Word has length 86 [2024-11-28 02:28:15,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:15,999 INFO L471 AbstractCegarLoop]: Abstraction has 18439 states and 25241 transitions. [2024-11-28 02:28:15,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 02:28:15,999 INFO L276 IsEmpty]: Start isEmpty. Operand 18439 states and 25241 transitions. [2024-11-28 02:28:16,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 02:28:16,006 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:16,006 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] [2024-11-28 02:28:16,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 02:28:16,006 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:16,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:16,007 INFO L85 PathProgramCache]: Analyzing trace with hash 706308482, now seen corresponding path program 1 times [2024-11-28 02:28:16,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:16,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882506727] [2024-11-28 02:28:16,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:16,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:16,670 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 02:28:16,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:16,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882506727] [2024-11-28 02:28:16,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882506727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:16,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:16,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 02:28:16,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016073844] [2024-11-28 02:28:16,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:16,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 02:28:16,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:16,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 02:28:16,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:28:16,672 INFO L87 Difference]: Start difference. First operand 18439 states and 25241 transitions. Second operand has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 02:28:18,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:18,231 INFO L93 Difference]: Finished difference Result 62579 states and 87647 transitions. [2024-11-28 02:28:18,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 02:28:18,232 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-11-28 02:28:18,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:18,275 INFO L225 Difference]: With dead ends: 62579 [2024-11-28 02:28:18,275 INFO L226 Difference]: Without dead ends: 51003 [2024-11-28 02:28:18,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2024-11-28 02:28:18,289 INFO L435 NwaCegarLoop]: 888 mSDtfsCounter, 7685 mSDsluCounter, 5003 mSDsCounter, 0 mSdLazyCounter, 1171 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7685 SdHoareTripleChecker+Valid, 5891 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:18,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7685 Valid, 5891 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1171 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:28:18,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51003 states. [2024-11-28 02:28:18,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51003 to 18019. [2024-11-28 02:28:18,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18019 states, 18018 states have (on average 1.3705738705738706) internal successors, (24695), 18018 states have internal predecessors, (24695), 0 states have call successors, (0), 0 states 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 02:28:18,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18019 states to 18019 states and 24695 transitions. [2024-11-28 02:28:18,782 INFO L78 Accepts]: Start accepts. Automaton has 18019 states and 24695 transitions. Word has length 86 [2024-11-28 02:28:18,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:18,783 INFO L471 AbstractCegarLoop]: Abstraction has 18019 states and 24695 transitions. [2024-11-28 02:28:18,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 0 states have call successors, (0), 0 states 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 02:28:18,783 INFO L276 IsEmpty]: Start isEmpty. Operand 18019 states and 24695 transitions. [2024-11-28 02:28:18,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-28 02:28:18,792 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:18,792 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] [2024-11-28 02:28:18,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 02:28:18,792 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:18,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:18,793 INFO L85 PathProgramCache]: Analyzing trace with hash -617148630, now seen corresponding path program 1 times [2024-11-28 02:28:18,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:18,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810106456] [2024-11-28 02:28:18,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:18,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:19,204 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 02:28:19,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:19,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810106456] [2024-11-28 02:28:19,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810106456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:19,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:19,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:28:19,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047793888] [2024-11-28 02:28:19,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:19,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:28:19,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:19,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:28:19,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:28:19,206 INFO L87 Difference]: Start difference. First operand 18019 states and 24695 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states 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 02:28:20,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:20,395 INFO L93 Difference]: Finished difference Result 38819 states and 54048 transitions. [2024-11-28 02:28:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:28:20,396 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2024-11-28 02:28:20,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:20,414 INFO L225 Difference]: With dead ends: 38819 [2024-11-28 02:28:20,414 INFO L226 Difference]: Without dead ends: 27467 [2024-11-28 02:28:20,422 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 02:28:20,422 INFO L435 NwaCegarLoop]: 604 mSDtfsCounter, 5030 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 1620 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5030 SdHoareTripleChecker+Valid, 2350 SdHoareTripleChecker+Invalid, 1656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:20,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5030 Valid, 2350 Invalid, 1656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1620 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 02:28:20,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27467 states. [2024-11-28 02:28:20,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27467 to 17933. [2024-11-28 02:28:20,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17933 states, 17932 states have (on average 1.3702319875083648) internal successors, (24571), 17932 states have internal predecessors, (24571), 0 states have call successors, (0), 0 states 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 02:28:20,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17933 states to 17933 states and 24571 transitions. [2024-11-28 02:28:20,646 INFO L78 Accepts]: Start accepts. Automaton has 17933 states and 24571 transitions. Word has length 87 [2024-11-28 02:28:20,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:20,647 INFO L471 AbstractCegarLoop]: Abstraction has 17933 states and 24571 transitions. [2024-11-28 02:28:20,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states 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 02:28:20,647 INFO L276 IsEmpty]: Start isEmpty. Operand 17933 states and 24571 transitions. [2024-11-28 02:28:20,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-28 02:28:20,653 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:20,653 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] [2024-11-28 02:28:20,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-28 02:28:20,654 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:20,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:20,654 INFO L85 PathProgramCache]: Analyzing trace with hash -85155516, now seen corresponding path program 1 times [2024-11-28 02:28:20,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:20,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575228577] [2024-11-28 02:28:20,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:20,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:20,805 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 02:28:20,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:20,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575228577] [2024-11-28 02:28:20,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575228577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:20,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:20,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:28:20,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549369704] [2024-11-28 02:28:20,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:20,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:28:20,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:20,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:28:20,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:28:20,807 INFO L87 Difference]: Start difference. First operand 17933 states and 24571 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states 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 02:28:21,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:21,750 INFO L93 Difference]: Finished difference Result 48955 states and 68336 transitions. [2024-11-28 02:28:21,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:28:21,750 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2024-11-28 02:28:21,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:21,781 INFO L225 Difference]: With dead ends: 48955 [2024-11-28 02:28:21,782 INFO L226 Difference]: Without dead ends: 41131 [2024-11-28 02:28:21,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:28:21,793 INFO L435 NwaCegarLoop]: 589 mSDtfsCounter, 4344 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4344 SdHoareTripleChecker+Valid, 1555 SdHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:21,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4344 Valid, 1555 Invalid, 1148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 02:28:21,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41131 states. [2024-11-28 02:28:22,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41131 to 18008. [2024-11-28 02:28:22,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18008 states, 18007 states have (on average 1.3700783028822126) internal successors, (24671), 18007 states have internal predecessors, (24671), 0 states have call successors, (0), 0 states 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 02:28:22,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18008 states to 18008 states and 24671 transitions. [2024-11-28 02:28:22,194 INFO L78 Accepts]: Start accepts. Automaton has 18008 states and 24671 transitions. Word has length 87 [2024-11-28 02:28:22,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:22,195 INFO L471 AbstractCegarLoop]: Abstraction has 18008 states and 24671 transitions. [2024-11-28 02:28:22,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states 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 02:28:22,195 INFO L276 IsEmpty]: Start isEmpty. Operand 18008 states and 24671 transitions. [2024-11-28 02:28:22,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-28 02:28:22,202 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:22,202 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] [2024-11-28 02:28:22,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-28 02:28:22,202 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:22,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:22,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1124356666, now seen corresponding path program 1 times [2024-11-28 02:28:22,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:22,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133363705] [2024-11-28 02:28:22,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:22,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:22,516 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 02:28:22,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:22,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133363705] [2024-11-28 02:28:22,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133363705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:22,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:22,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:28:22,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131054924] [2024-11-28 02:28:22,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:22,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:28:22,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:22,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:28:22,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:28:22,519 INFO L87 Difference]: Start difference. First operand 18008 states and 24671 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 9 states have internal predecessors, (87), 0 states have call successors, (0), 0 states 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 02:28:23,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:23,784 INFO L93 Difference]: Finished difference Result 43933 states and 61176 transitions. [2024-11-28 02:28:23,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:28:23,785 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 9 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2024-11-28 02:28:23,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:23,810 INFO L225 Difference]: With dead ends: 43933 [2024-11-28 02:28:23,810 INFO L226 Difference]: Without dead ends: 31699 [2024-11-28 02:28:23,820 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 02:28:23,821 INFO L435 NwaCegarLoop]: 605 mSDtfsCounter, 3591 mSDsluCounter, 2304 mSDsCounter, 0 mSdLazyCounter, 1904 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3591 SdHoareTripleChecker+Valid, 2909 SdHoareTripleChecker+Invalid, 1933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:23,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3591 Valid, 2909 Invalid, 1933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1904 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 02:28:23,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31699 states. [2024-11-28 02:28:24,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31699 to 17466. [2024-11-28 02:28:24,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17466 states, 17465 states have (on average 1.3703979387346121) internal successors, (23934), 17465 states have internal predecessors, (23934), 0 states have call successors, (0), 0 states 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 02:28:24,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17466 states to 17466 states and 23934 transitions. [2024-11-28 02:28:24,070 INFO L78 Accepts]: Start accepts. Automaton has 17466 states and 23934 transitions. Word has length 87 [2024-11-28 02:28:24,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:24,071 INFO L471 AbstractCegarLoop]: Abstraction has 17466 states and 23934 transitions. [2024-11-28 02:28:24,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 9 states have internal predecessors, (87), 0 states have call successors, (0), 0 states 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 02:28:24,071 INFO L276 IsEmpty]: Start isEmpty. Operand 17466 states and 23934 transitions. [2024-11-28 02:28:24,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-28 02:28:24,077 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:24,078 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 02:28:24,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-28 02:28:24,078 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:24,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:24,078 INFO L85 PathProgramCache]: Analyzing trace with hash 13300459, now seen corresponding path program 1 times [2024-11-28 02:28:24,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:24,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520341838] [2024-11-28 02:28:24,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:24,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:24,794 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 02:28:24,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:24,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520341838] [2024-11-28 02:28:24,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520341838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:24,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:24,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 02:28:24,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481163581] [2024-11-28 02:28:24,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:24,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 02:28:24,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:24,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 02:28:24,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:28:24,795 INFO L87 Difference]: Start difference. First operand 17466 states and 23934 transitions. Second operand has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 13 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 02:28:25,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:25,850 INFO L93 Difference]: Finished difference Result 42717 states and 59605 transitions. [2024-11-28 02:28:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:28:25,850 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 13 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 02:28:25,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:25,873 INFO L225 Difference]: With dead ends: 42717 [2024-11-28 02:28:25,873 INFO L226 Difference]: Without dead ends: 31266 [2024-11-28 02:28:25,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2024-11-28 02:28:25,882 INFO L435 NwaCegarLoop]: 860 mSDtfsCounter, 5217 mSDsluCounter, 4334 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5217 SdHoareTripleChecker+Valid, 5194 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:25,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5217 Valid, 5194 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:28:25,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31266 states. [2024-11-28 02:28:26,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31266 to 17195. [2024-11-28 02:28:26,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17195 states, 17194 states have (on average 1.3700127951611027) internal successors, (23556), 17194 states have internal predecessors, (23556), 0 states have call successors, (0), 0 states 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 02:28:26,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17195 states to 17195 states and 23556 transitions. [2024-11-28 02:28:26,179 INFO L78 Accepts]: Start accepts. Automaton has 17195 states and 23556 transitions. Word has length 88 [2024-11-28 02:28:26,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:26,180 INFO L471 AbstractCegarLoop]: Abstraction has 17195 states and 23556 transitions. [2024-11-28 02:28:26,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 13 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 02:28:26,180 INFO L276 IsEmpty]: Start isEmpty. Operand 17195 states and 23556 transitions. [2024-11-28 02:28:26,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-28 02:28:26,187 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:26,187 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 02:28:26,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-28 02:28:26,187 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:26,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:26,188 INFO L85 PathProgramCache]: Analyzing trace with hash 108333151, now seen corresponding path program 1 times [2024-11-28 02:28:26,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:26,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550378682] [2024-11-28 02:28:26,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:26,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:26,871 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 02:28:26,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:26,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550378682] [2024-11-28 02:28:26,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550378682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:26,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:26,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 02:28:26,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954200373] [2024-11-28 02:28:26,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:26,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:28:26,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:26,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:28:26,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:28:26,873 INFO L87 Difference]: Start difference. First operand 17195 states and 23556 transitions. Second operand has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 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 02:28:28,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:28,963 INFO L93 Difference]: Finished difference Result 59777 states and 83867 transitions. [2024-11-28 02:28:28,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 02:28:28,963 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 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 02:28:28,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:29,005 INFO L225 Difference]: With dead ends: 59777 [2024-11-28 02:28:29,006 INFO L226 Difference]: Without dead ends: 48585 [2024-11-28 02:28:29,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2024-11-28 02:28:29,019 INFO L435 NwaCegarLoop]: 731 mSDtfsCounter, 6936 mSDsluCounter, 3433 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6936 SdHoareTripleChecker+Valid, 4164 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:29,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6936 Valid, 4164 Invalid, 1436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1404 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 02:28:29,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48585 states. [2024-11-28 02:28:29,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48585 to 17219. [2024-11-28 02:28:29,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17219 states, 17218 states have (on average 1.3701939830410037) internal successors, (23592), 17218 states have internal predecessors, (23592), 0 states have call successors, (0), 0 states 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 02:28:29,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17219 states to 17219 states and 23592 transitions. [2024-11-28 02:28:29,338 INFO L78 Accepts]: Start accepts. Automaton has 17219 states and 23592 transitions. Word has length 88 [2024-11-28 02:28:29,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:29,338 INFO L471 AbstractCegarLoop]: Abstraction has 17219 states and 23592 transitions. [2024-11-28 02:28:29,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 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 02:28:29,338 INFO L276 IsEmpty]: Start isEmpty. Operand 17219 states and 23592 transitions. [2024-11-28 02:28:29,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-28 02:28:29,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:29,345 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 02:28:29,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-28 02:28:29,346 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:29,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:29,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1569694279, now seen corresponding path program 1 times [2024-11-28 02:28:29,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:29,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912537239] [2024-11-28 02:28:29,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:29,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:29,490 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 02:28:29,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:29,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912537239] [2024-11-28 02:28:29,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912537239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:29,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:29,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:28:29,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404017837] [2024-11-28 02:28:29,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:29,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:28:29,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:29,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:28:29,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:28:29,492 INFO L87 Difference]: Start difference. First operand 17219 states and 23592 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 02:28:30,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:30,416 INFO L93 Difference]: Finished difference Result 44233 states and 61559 transitions. [2024-11-28 02:28:30,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:28:30,417 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 02:28:30,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:30,446 INFO L225 Difference]: With dead ends: 44233 [2024-11-28 02:28:30,447 INFO L226 Difference]: Without dead ends: 36673 [2024-11-28 02:28:30,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:28:30,457 INFO L435 NwaCegarLoop]: 546 mSDtfsCounter, 3999 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3999 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:30,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3999 Valid, 1458 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 985 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:28:30,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36673 states. [2024-11-28 02:28:30,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36673 to 17301. [2024-11-28 02:28:30,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17301 states, 17300 states have (on average 1.3698265895953756) internal successors, (23698), 17300 states have internal predecessors, (23698), 0 states have call successors, (0), 0 states 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 02:28:30,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17301 states to 17301 states and 23698 transitions. [2024-11-28 02:28:30,846 INFO L78 Accepts]: Start accepts. Automaton has 17301 states and 23698 transitions. Word has length 88 [2024-11-28 02:28:30,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:30,846 INFO L471 AbstractCegarLoop]: Abstraction has 17301 states and 23698 transitions. [2024-11-28 02:28:30,847 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 02:28:30,847 INFO L276 IsEmpty]: Start isEmpty. Operand 17301 states and 23698 transitions. [2024-11-28 02:28:30,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-28 02:28:30,858 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:30,858 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 02:28:30,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-28 02:28:30,858 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:30,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:30,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1367858198, now seen corresponding path program 1 times [2024-11-28 02:28:30,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:30,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265876351] [2024-11-28 02:28:30,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:30,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:30,951 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 02:28:30,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:30,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265876351] [2024-11-28 02:28:30,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265876351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:30,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:30,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:28:30,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112739368] [2024-11-28 02:28:30,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:30,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:28:30,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:30,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:28:30,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:28:30,953 INFO L87 Difference]: Start difference. First operand 17301 states and 23698 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 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 02:28:31,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:31,037 INFO L93 Difference]: Finished difference Result 26121 states and 36052 transitions. [2024-11-28 02:28:31,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:28:31,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 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 02:28:31,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:31,053 INFO L225 Difference]: With dead ends: 26121 [2024-11-28 02:28:31,053 INFO L226 Difference]: Without dead ends: 17303 [2024-11-28 02:28:31,060 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 02:28:31,061 INFO L435 NwaCegarLoop]: 1181 mSDtfsCounter, 543 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 2065 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:31,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 2065 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:28:31,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17303 states. [2024-11-28 02:28:31,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17303 to 17301. [2024-11-28 02:28:31,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17301 states, 17300 states have (on average 1.3608092485549133) internal successors, (23542), 17300 states have internal predecessors, (23542), 0 states have call successors, (0), 0 states 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 02:28:31,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17301 states to 17301 states and 23542 transitions. [2024-11-28 02:28:31,245 INFO L78 Accepts]: Start accepts. Automaton has 17301 states and 23542 transitions. Word has length 89 [2024-11-28 02:28:31,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:31,245 INFO L471 AbstractCegarLoop]: Abstraction has 17301 states and 23542 transitions. [2024-11-28 02:28:31,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 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 02:28:31,245 INFO L276 IsEmpty]: Start isEmpty. Operand 17301 states and 23542 transitions. [2024-11-28 02:28:31,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-28 02:28:31,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:31,253 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 02:28:31,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-28 02:28:31,253 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:31,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:31,253 INFO L85 PathProgramCache]: Analyzing trace with hash -760296148, now seen corresponding path program 1 times [2024-11-28 02:28:31,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:31,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334107818] [2024-11-28 02:28:31,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:31,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:31,681 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 02:28:31,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:31,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334107818] [2024-11-28 02:28:31,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334107818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:31,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:31,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:28:31,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483046576] [2024-11-28 02:28:31,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:31,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:28:31,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:31,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:28:31,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:28:31,683 INFO L87 Difference]: Start difference. First operand 17301 states and 23542 transitions. Second operand has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 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 02:28:33,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:33,115 INFO L93 Difference]: Finished difference Result 37109 states and 51365 transitions. [2024-11-28 02:28:33,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:28:33,115 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 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 02:28:33,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:33,137 INFO L225 Difference]: With dead ends: 37109 [2024-11-28 02:28:33,137 INFO L226 Difference]: Without dead ends: 25905 [2024-11-28 02:28:33,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:28:33,147 INFO L435 NwaCegarLoop]: 580 mSDtfsCounter, 4017 mSDsluCounter, 1939 mSDsCounter, 0 mSdLazyCounter, 1826 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4017 SdHoareTripleChecker+Valid, 2519 SdHoareTripleChecker+Invalid, 1857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:33,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4017 Valid, 2519 Invalid, 1857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1826 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 02:28:33,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25905 states. [2024-11-28 02:28:33,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25905 to 17289. [2024-11-28 02:28:33,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17289 states, 17288 states have (on average 1.3603655714946783) internal successors, (23518), 17288 states have internal predecessors, (23518), 0 states have call successors, (0), 0 states 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 02:28:33,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17289 states to 17289 states and 23518 transitions. [2024-11-28 02:28:33,403 INFO L78 Accepts]: Start accepts. Automaton has 17289 states and 23518 transitions. Word has length 89 [2024-11-28 02:28:33,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:33,403 INFO L471 AbstractCegarLoop]: Abstraction has 17289 states and 23518 transitions. [2024-11-28 02:28:33,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 8 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 02:28:33,404 INFO L276 IsEmpty]: Start isEmpty. Operand 17289 states and 23518 transitions. [2024-11-28 02:28:33,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-28 02:28:33,411 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:33,411 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 02:28:33,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-28 02:28:33,411 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:33,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:33,412 INFO L85 PathProgramCache]: Analyzing trace with hash -69537233, now seen corresponding path program 1 times [2024-11-28 02:28:33,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:33,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813515155] [2024-11-28 02:28:33,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:33,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:33,495 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 02:28:33,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:33,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813515155] [2024-11-28 02:28:33,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813515155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:33,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:33,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:28:33,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625597702] [2024-11-28 02:28:33,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:33,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:28:33,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:33,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:28:33,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:28:33,498 INFO L87 Difference]: Start difference. First operand 17289 states and 23518 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 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 02:28:33,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:33,649 INFO L93 Difference]: Finished difference Result 32008 states and 43874 transitions. [2024-11-28 02:28:33,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:28:33,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 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 02:28:33,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:33,676 INFO L225 Difference]: With dead ends: 32008 [2024-11-28 02:28:33,676 INFO L226 Difference]: Without dead ends: 21577 [2024-11-28 02:28:33,686 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 02:28:33,687 INFO L435 NwaCegarLoop]: 986 mSDtfsCounter, 857 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:33,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 1252 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:28:33,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21577 states. [2024-11-28 02:28:33,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21577 to 16293. [2024-11-28 02:28:33,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16293 states, 16292 states have (on average 1.3633685244291678) internal successors, (22212), 16292 states have internal predecessors, (22212), 0 states have call successors, (0), 0 states 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 02:28:34,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16293 states to 16293 states and 22212 transitions. [2024-11-28 02:28:34,000 INFO L78 Accepts]: Start accepts. Automaton has 16293 states and 22212 transitions. Word has length 90 [2024-11-28 02:28:34,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:34,000 INFO L471 AbstractCegarLoop]: Abstraction has 16293 states and 22212 transitions. [2024-11-28 02:28:34,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 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 02:28:34,000 INFO L276 IsEmpty]: Start isEmpty. Operand 16293 states and 22212 transitions. [2024-11-28 02:28:34,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-28 02:28:34,011 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:34,011 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 02:28:34,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-28 02:28:34,011 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:34,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:34,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1022291375, now seen corresponding path program 1 times [2024-11-28 02:28:34,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:34,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867535396] [2024-11-28 02:28:34,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:34,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:34,098 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 02:28:34,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:34,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867535396] [2024-11-28 02:28:34,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867535396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:34,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:34,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:28:34,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279853465] [2024-11-28 02:28:34,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:34,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:28:34,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:34,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:28:34,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:28:34,100 INFO L87 Difference]: Start difference. First operand 16293 states and 22212 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 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 02:28:34,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:34,233 INFO L93 Difference]: Finished difference Result 23859 states and 32764 transitions. [2024-11-28 02:28:34,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:28:34,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 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 02:28:34,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:34,246 INFO L225 Difference]: With dead ends: 23859 [2024-11-28 02:28:34,246 INFO L226 Difference]: Without dead ends: 16295 [2024-11-28 02:28:34,253 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 02:28:34,253 INFO L435 NwaCegarLoop]: 1071 mSDtfsCounter, 424 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:34,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1810 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:28:34,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16295 states. [2024-11-28 02:28:34,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16295 to 16293. [2024-11-28 02:28:34,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16293 states, 16292 states have (on average 1.3483918487601276) internal successors, (21968), 16292 states have internal predecessors, (21968), 0 states have call successors, (0), 0 states 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 02:28:34,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16293 states to 16293 states and 21968 transitions. [2024-11-28 02:28:34,473 INFO L78 Accepts]: Start accepts. Automaton has 16293 states and 21968 transitions. Word has length 90 [2024-11-28 02:28:34,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:34,473 INFO L471 AbstractCegarLoop]: Abstraction has 16293 states and 21968 transitions. [2024-11-28 02:28:34,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 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 02:28:34,474 INFO L276 IsEmpty]: Start isEmpty. Operand 16293 states and 21968 transitions. [2024-11-28 02:28:34,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-28 02:28:34,482 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:34,482 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 02:28:34,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-28 02:28:34,482 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:34,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:34,483 INFO L85 PathProgramCache]: Analyzing trace with hash -18449374, now seen corresponding path program 1 times [2024-11-28 02:28:34,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:34,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849574341] [2024-11-28 02:28:34,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:34,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:34,549 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 02:28:34,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:34,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849574341] [2024-11-28 02:28:34,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849574341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:34,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:34,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:28:34,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692367928] [2024-11-28 02:28:34,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:34,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:28:34,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:34,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:28:34,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:28:34,551 INFO L87 Difference]: Start difference. First operand 16293 states and 21968 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 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 02:28:34,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:34,692 INFO L93 Difference]: Finished difference Result 32724 states and 44585 transitions. [2024-11-28 02:28:34,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:28:34,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 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 02:28:34,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:34,706 INFO L225 Difference]: With dead ends: 32724 [2024-11-28 02:28:34,706 INFO L226 Difference]: Without dead ends: 23284 [2024-11-28 02:28:34,713 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 02:28:34,714 INFO L435 NwaCegarLoop]: 692 mSDtfsCounter, 669 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:34,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 891 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:28:34,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23284 states. [2024-11-28 02:28:34,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23284 to 23228. [2024-11-28 02:28:34,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23228 states, 23227 states have (on average 1.3647479226761958) internal successors, (31699), 23227 states have internal predecessors, (31699), 0 states have call successors, (0), 0 states 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 02:28:34,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23228 states to 23228 states and 31699 transitions. [2024-11-28 02:28:34,894 INFO L78 Accepts]: Start accepts. Automaton has 23228 states and 31699 transitions. Word has length 90 [2024-11-28 02:28:34,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:34,894 INFO L471 AbstractCegarLoop]: Abstraction has 23228 states and 31699 transitions. [2024-11-28 02:28:34,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 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 02:28:34,895 INFO L276 IsEmpty]: Start isEmpty. Operand 23228 states and 31699 transitions. [2024-11-28 02:28:34,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-28 02:28:34,900 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:34,900 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] [2024-11-28 02:28:34,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-28 02:28:34,901 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:34,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:34,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1358793954, now seen corresponding path program 1 times [2024-11-28 02:28:34,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:34,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817215666] [2024-11-28 02:28:34,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:34,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:35,146 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 02:28:35,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:35,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817215666] [2024-11-28 02:28:35,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817215666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:35,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:35,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:28:35,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022785007] [2024-11-28 02:28:35,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:35,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:28:35,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:35,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:28:35,149 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:28:35,149 INFO L87 Difference]: Start difference. First operand 23228 states and 31699 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 02:28:36,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:36,084 INFO L93 Difference]: Finished difference Result 42817 states and 58961 transitions. [2024-11-28 02:28:36,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:28:36,085 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-11-28 02:28:36,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:36,110 INFO L225 Difference]: With dead ends: 42817 [2024-11-28 02:28:36,110 INFO L226 Difference]: Without dead ends: 36553 [2024-11-28 02:28:36,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:28:36,120 INFO L435 NwaCegarLoop]: 462 mSDtfsCounter, 1865 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1865 SdHoareTripleChecker+Valid, 1805 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:36,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1865 Valid, 1805 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:28:36,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36553 states. [2024-11-28 02:28:36,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36553 to 23211. [2024-11-28 02:28:36,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23211 states, 23210 states have (on average 1.364670400689358) internal successors, (31674), 23210 states have internal predecessors, (31674), 0 states have call successors, (0), 0 states 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 02:28:36,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23211 states to 23211 states and 31674 transitions. [2024-11-28 02:28:36,403 INFO L78 Accepts]: Start accepts. Automaton has 23211 states and 31674 transitions. Word has length 91 [2024-11-28 02:28:36,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:36,403 INFO L471 AbstractCegarLoop]: Abstraction has 23211 states and 31674 transitions. [2024-11-28 02:28:36,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 8 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 02:28:36,404 INFO L276 IsEmpty]: Start isEmpty. Operand 23211 states and 31674 transitions. [2024-11-28 02:28:36,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-28 02:28:36,411 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:36,411 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] [2024-11-28 02:28:36,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-28 02:28:36,411 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:36,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:36,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1074549196, now seen corresponding path program 1 times [2024-11-28 02:28:36,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:36,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624940674] [2024-11-28 02:28:36,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:36,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:36,465 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 02:28:36,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:36,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624940674] [2024-11-28 02:28:36,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624940674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:36,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:36,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:28:36,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064577432] [2024-11-28 02:28:36,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:36,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:28:36,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:36,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:28:36,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:28:36,466 INFO L87 Difference]: Start difference. First operand 23211 states and 31674 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 02:28:36,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:36,662 INFO L93 Difference]: Finished difference Result 42879 states and 58934 transitions. [2024-11-28 02:28:36,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:28:36,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-11-28 02:28:36,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:36,685 INFO L225 Difference]: With dead ends: 42879 [2024-11-28 02:28:36,685 INFO L226 Difference]: Without dead ends: 28651 [2024-11-28 02:28:36,695 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 02:28:36,695 INFO L435 NwaCegarLoop]: 593 mSDtfsCounter, 595 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:36,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 766 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:28:36,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28651 states. [2024-11-28 02:28:36,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28651 to 22062. [2024-11-28 02:28:36,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22062 states, 22061 states have (on average 1.3684329812791804) internal successors, (30189), 22061 states have internal predecessors, (30189), 0 states have call successors, (0), 0 states 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 02:28:36,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22062 states to 22062 states and 30189 transitions. [2024-11-28 02:28:36,992 INFO L78 Accepts]: Start accepts. Automaton has 22062 states and 30189 transitions. Word has length 91 [2024-11-28 02:28:36,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:36,992 INFO L471 AbstractCegarLoop]: Abstraction has 22062 states and 30189 transitions. [2024-11-28 02:28:36,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states 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 02:28:36,992 INFO L276 IsEmpty]: Start isEmpty. Operand 22062 states and 30189 transitions. [2024-11-28 02:28:36,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-28 02:28:36,999 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:36,999 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] [2024-11-28 02:28:36,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-28 02:28:36,999 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:36,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:36,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1553580968, now seen corresponding path program 1 times [2024-11-28 02:28:36,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:37,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675348876] [2024-11-28 02:28:37,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:37,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:37,607 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 02:28:37,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:37,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675348876] [2024-11-28 02:28:37,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675348876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:37,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:37,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 02:28:37,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108324073] [2024-11-28 02:28:37,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:37,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:28:37,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:37,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:28:37,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:28:37,609 INFO L87 Difference]: Start difference. First operand 22062 states and 30189 transitions. Second operand has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 0 states have call successors, (0), 0 states 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 02:28:38,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:38,412 INFO L93 Difference]: Finished difference Result 37230 states and 51209 transitions. [2024-11-28 02:28:38,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:28:38,413 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2024-11-28 02:28:38,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:38,440 INFO L225 Difference]: With dead ends: 37230 [2024-11-28 02:28:38,440 INFO L226 Difference]: Without dead ends: 35078 [2024-11-28 02:28:38,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-28 02:28:38,448 INFO L435 NwaCegarLoop]: 638 mSDtfsCounter, 3115 mSDsluCounter, 3224 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3115 SdHoareTripleChecker+Valid, 3862 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:38,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3115 Valid, 3862 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:28:38,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35078 states. [2024-11-28 02:28:38,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35078 to 22018. [2024-11-28 02:28:38,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22018 states, 22017 states have (on average 1.3683971476586274) internal successors, (30128), 22017 states have internal predecessors, (30128), 0 states have call successors, (0), 0 states 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 02:28:38,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22018 states to 22018 states and 30128 transitions. [2024-11-28 02:28:38,694 INFO L78 Accepts]: Start accepts. Automaton has 22018 states and 30128 transitions. Word has length 92 [2024-11-28 02:28:38,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:38,694 INFO L471 AbstractCegarLoop]: Abstraction has 22018 states and 30128 transitions. [2024-11-28 02:28:38,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 0 states have call successors, (0), 0 states 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 02:28:38,694 INFO L276 IsEmpty]: Start isEmpty. Operand 22018 states and 30128 transitions. [2024-11-28 02:28:38,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-28 02:28:38,701 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:38,701 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:28:38,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-28 02:28:38,701 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:38,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:38,702 INFO L85 PathProgramCache]: Analyzing trace with hash -2001266238, now seen corresponding path program 1 times [2024-11-28 02:28:38,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:38,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458990313] [2024-11-28 02:28:38,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:38,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:39,350 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 02:28:39,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:39,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458990313] [2024-11-28 02:28:39,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458990313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:39,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:39,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 02:28:39,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944605864] [2024-11-28 02:28:39,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:39,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 02:28:39,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:39,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 02:28:39,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:28:39,352 INFO L87 Difference]: Start difference. First operand 22018 states and 30128 transitions. Second operand has 13 states, 13 states have (on average 7.076923076923077) internal successors, (92), 13 states have internal predecessors, (92), 0 states have call successors, (0), 0 states 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 02:28:40,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:40,441 INFO L93 Difference]: Finished difference Result 70036 states and 96909 transitions. [2024-11-28 02:28:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 02:28:40,442 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.076923076923077) internal successors, (92), 13 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2024-11-28 02:28:40,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:40,498 INFO L225 Difference]: With dead ends: 70036 [2024-11-28 02:28:40,498 INFO L226 Difference]: Without dead ends: 65868 [2024-11-28 02:28:40,513 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 02:28:40,514 INFO L435 NwaCegarLoop]: 553 mSDtfsCounter, 3954 mSDsluCounter, 2784 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3954 SdHoareTripleChecker+Valid, 3337 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:40,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3954 Valid, 3337 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:28:40,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65868 states. [2024-11-28 02:28:40,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65868 to 21906. [2024-11-28 02:28:40,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21906 states, 21905 states have (on average 1.3687742524537776) internal successors, (29983), 21905 states have internal predecessors, (29983), 0 states have call successors, (0), 0 states 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 02:28:40,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21906 states to 21906 states and 29983 transitions. [2024-11-28 02:28:40,988 INFO L78 Accepts]: Start accepts. Automaton has 21906 states and 29983 transitions. Word has length 92 [2024-11-28 02:28:40,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:40,988 INFO L471 AbstractCegarLoop]: Abstraction has 21906 states and 29983 transitions. [2024-11-28 02:28:40,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.076923076923077) internal successors, (92), 13 states have internal predecessors, (92), 0 states have call successors, (0), 0 states 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 02:28:40,988 INFO L276 IsEmpty]: Start isEmpty. Operand 21906 states and 29983 transitions. [2024-11-28 02:28:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 02:28:40,995 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:40,996 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:28:40,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-28 02:28:40,996 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:40,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:40,997 INFO L85 PathProgramCache]: Analyzing trace with hash -88028152, now seen corresponding path program 1 times [2024-11-28 02:28:40,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:40,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273260772] [2024-11-28 02:28:40,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:40,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:41,290 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 02:28:41,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:41,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273260772] [2024-11-28 02:28:41,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273260772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:41,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:41,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:28:41,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276917132] [2024-11-28 02:28:41,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:41,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:28:41,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:41,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:28:41,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:28:41,293 INFO L87 Difference]: Start difference. First operand 21906 states and 29983 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states 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 02:28:42,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:42,148 INFO L93 Difference]: Finished difference Result 31768 states and 43459 transitions. [2024-11-28 02:28:42,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 02:28:42,149 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2024-11-28 02:28:42,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:42,171 INFO L225 Difference]: With dead ends: 31768 [2024-11-28 02:28:42,171 INFO L226 Difference]: Without dead ends: 29516 [2024-11-28 02:28:42,180 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 02:28:42,180 INFO L435 NwaCegarLoop]: 433 mSDtfsCounter, 1584 mSDsluCounter, 1272 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1584 SdHoareTripleChecker+Valid, 1705 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:42,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1584 Valid, 1705 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 02:28:42,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29516 states. [2024-11-28 02:28:42,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29516 to 21831. [2024-11-28 02:28:42,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21831 states, 21830 states have (on average 1.369033440219881) internal successors, (29886), 21830 states have internal predecessors, (29886), 0 states have call successors, (0), 0 states 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 02:28:42,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21831 states to 21831 states and 29886 transitions. [2024-11-28 02:28:42,402 INFO L78 Accepts]: Start accepts. Automaton has 21831 states and 29886 transitions. Word has length 95 [2024-11-28 02:28:42,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:42,402 INFO L471 AbstractCegarLoop]: Abstraction has 21831 states and 29886 transitions. [2024-11-28 02:28:42,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states 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 02:28:42,402 INFO L276 IsEmpty]: Start isEmpty. Operand 21831 states and 29886 transitions. [2024-11-28 02:28:42,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 02:28:42,414 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:42,414 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:28:42,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-28 02:28:42,415 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:42,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:42,415 INFO L85 PathProgramCache]: Analyzing trace with hash 2097927423, now seen corresponding path program 1 times [2024-11-28 02:28:42,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:42,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784312543] [2024-11-28 02:28:42,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:42,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:42,494 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 02:28:42,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:42,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784312543] [2024-11-28 02:28:42,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784312543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:42,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:42,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:28:42,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730924429] [2024-11-28 02:28:42,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:42,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:28:42,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:42,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:28:42,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:28:42,496 INFO L87 Difference]: Start difference. First operand 21831 states and 29886 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states 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 02:28:42,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:42,615 INFO L93 Difference]: Finished difference Result 34422 states and 47311 transitions. [2024-11-28 02:28:42,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:28:42,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2024-11-28 02:28:42,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:42,636 INFO L225 Difference]: With dead ends: 34422 [2024-11-28 02:28:42,636 INFO L226 Difference]: Without dead ends: 21833 [2024-11-28 02:28:42,644 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 02:28:42,645 INFO L435 NwaCegarLoop]: 855 mSDtfsCounter, 365 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 1445 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:42,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 1445 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:28:42,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21833 states. [2024-11-28 02:28:42,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21833 to 21831. [2024-11-28 02:28:42,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21831 states, 21830 states have (on average 1.359551076500229) internal successors, (29679), 21830 states have internal predecessors, (29679), 0 states have call successors, (0), 0 states 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 02:28:42,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21831 states to 21831 states and 29679 transitions. [2024-11-28 02:28:42,820 INFO L78 Accepts]: Start accepts. Automaton has 21831 states and 29679 transitions. Word has length 96 [2024-11-28 02:28:42,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:42,820 INFO L471 AbstractCegarLoop]: Abstraction has 21831 states and 29679 transitions. [2024-11-28 02:28:42,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states 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 02:28:42,820 INFO L276 IsEmpty]: Start isEmpty. Operand 21831 states and 29679 transitions. [2024-11-28 02:28:42,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 02:28:42,829 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:42,829 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:28:42,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-28 02:28:42,829 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:42,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:42,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1549401152, now seen corresponding path program 1 times [2024-11-28 02:28:42,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:42,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992574076] [2024-11-28 02:28:42,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:42,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:42,903 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 02:28:42,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:42,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992574076] [2024-11-28 02:28:42,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992574076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:42,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:42,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:28:42,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653976938] [2024-11-28 02:28:42,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:42,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:28:42,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:42,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:28:42,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:28:42,904 INFO L87 Difference]: Start difference. First operand 21831 states and 29679 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states 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 02:28:43,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:43,034 INFO L93 Difference]: Finished difference Result 40982 states and 56077 transitions. [2024-11-28 02:28:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:28:43,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-11-28 02:28:43,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:43,054 INFO L225 Difference]: With dead ends: 40982 [2024-11-28 02:28:43,054 INFO L226 Difference]: Without dead ends: 27110 [2024-11-28 02:28:43,063 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 02:28:43,064 INFO L435 NwaCegarLoop]: 618 mSDtfsCounter, 561 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:43,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 829 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:28:43,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27110 states. [2024-11-28 02:28:43,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27110 to 20689. [2024-11-28 02:28:43,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20689 states, 20688 states have (on average 1.3618039443155452) internal successors, (28173), 20688 states have internal predecessors, (28173), 0 states have call successors, (0), 0 states 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 02:28:43,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20689 states to 20689 states and 28173 transitions. [2024-11-28 02:28:43,266 INFO L78 Accepts]: Start accepts. Automaton has 20689 states and 28173 transitions. Word has length 97 [2024-11-28 02:28:43,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:43,266 INFO L471 AbstractCegarLoop]: Abstraction has 20689 states and 28173 transitions. [2024-11-28 02:28:43,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states 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 02:28:43,266 INFO L276 IsEmpty]: Start isEmpty. Operand 20689 states and 28173 transitions. [2024-11-28 02:28:43,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 02:28:43,273 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:43,274 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:28:43,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-28 02:28:43,274 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:43,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:43,274 INFO L85 PathProgramCache]: Analyzing trace with hash 682908931, now seen corresponding path program 1 times [2024-11-28 02:28:43,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:43,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071067564] [2024-11-28 02:28:43,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:43,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:43,999 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 02:28:43,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:44,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071067564] [2024-11-28 02:28:44,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071067564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:44,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:44,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 02:28:44,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904346395] [2024-11-28 02:28:44,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:44,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 02:28:44,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:44,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 02:28:44,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-28 02:28:44,001 INFO L87 Difference]: Start difference. First operand 20689 states and 28173 transitions. Second operand has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 states have internal predecessors, (98), 0 states have call successors, (0), 0 states 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 02:28:45,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:45,049 INFO L93 Difference]: Finished difference Result 64121 states and 88079 transitions. [2024-11-28 02:28:45,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 02:28:45,049 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 states have internal predecessors, (98), 0 states have call successors, (0), 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 98 [2024-11-28 02:28:45,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:45,095 INFO L225 Difference]: With dead ends: 64121 [2024-11-28 02:28:45,095 INFO L226 Difference]: Without dead ends: 63345 [2024-11-28 02:28:45,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-28 02:28:45,107 INFO L435 NwaCegarLoop]: 526 mSDtfsCounter, 4612 mSDsluCounter, 3017 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4612 SdHoareTripleChecker+Valid, 3543 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:45,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4612 Valid, 3543 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:28:45,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63345 states. [2024-11-28 02:28:45,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63345 to 20633. [2024-11-28 02:28:45,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20633 states, 20632 states have (on average 1.3620589375727026) internal successors, (28102), 20632 states have internal predecessors, (28102), 0 states have call successors, (0), 0 states 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 02:28:45,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20633 states to 20633 states and 28102 transitions. [2024-11-28 02:28:45,409 INFO L78 Accepts]: Start accepts. Automaton has 20633 states and 28102 transitions. Word has length 98 [2024-11-28 02:28:45,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:45,409 INFO L471 AbstractCegarLoop]: Abstraction has 20633 states and 28102 transitions. [2024-11-28 02:28:45,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 states have internal predecessors, (98), 0 states have call successors, (0), 0 states 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 02:28:45,409 INFO L276 IsEmpty]: Start isEmpty. Operand 20633 states and 28102 transitions. [2024-11-28 02:28:45,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-28 02:28:45,418 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:45,418 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:28:45,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-28 02:28:45,418 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:45,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:45,419 INFO L85 PathProgramCache]: Analyzing trace with hash 866442340, now seen corresponding path program 1 times [2024-11-28 02:28:45,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:45,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929810225] [2024-11-28 02:28:45,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:45,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:45,549 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 02:28:45,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:45,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929810225] [2024-11-28 02:28:45,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929810225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:45,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:45,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:28:45,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315559302] [2024-11-28 02:28:45,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:45,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:28:45,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:45,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:28:45,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:28:45,550 INFO L87 Difference]: Start difference. First operand 20633 states and 28102 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 0 states have call successors, (0), 0 states 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 02:28:45,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:45,844 INFO L93 Difference]: Finished difference Result 90611 states and 125884 transitions. [2024-11-28 02:28:45,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:28:45,845 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2024-11-28 02:28:45,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:45,900 INFO L225 Difference]: With dead ends: 90611 [2024-11-28 02:28:45,900 INFO L226 Difference]: Without dead ends: 73275 [2024-11-28 02:28:45,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:28:45,918 INFO L435 NwaCegarLoop]: 573 mSDtfsCounter, 3452 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3452 SdHoareTripleChecker+Valid, 2251 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:45,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3452 Valid, 2251 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:28:45,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73275 states. [2024-11-28 02:28:46,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73275 to 37967. [2024-11-28 02:28:46,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37967 states, 37966 states have (on average 1.3638782068166253) internal successors, (51781), 37966 states have internal predecessors, (51781), 0 states have call successors, (0), 0 states 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 02:28:46,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37967 states to 37967 states and 51781 transitions. [2024-11-28 02:28:46,342 INFO L78 Accepts]: Start accepts. Automaton has 37967 states and 51781 transitions. Word has length 104 [2024-11-28 02:28:46,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:46,342 INFO L471 AbstractCegarLoop]: Abstraction has 37967 states and 51781 transitions. [2024-11-28 02:28:46,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 0 states have call successors, (0), 0 states 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 02:28:46,342 INFO L276 IsEmpty]: Start isEmpty. Operand 37967 states and 51781 transitions. [2024-11-28 02:28:46,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-28 02:28:46,356 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:46,356 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:28:46,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-28 02:28:46,356 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:46,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:46,356 INFO L85 PathProgramCache]: Analyzing trace with hash 372270845, now seen corresponding path program 1 times [2024-11-28 02:28:46,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:46,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788843940] [2024-11-28 02:28:46,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:46,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:46,496 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 02:28:46,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:46,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788843940] [2024-11-28 02:28:46,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788843940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:46,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:46,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:28:46,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986764786] [2024-11-28 02:28:46,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:46,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:28:46,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:46,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:28:46,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:28:46,497 INFO L87 Difference]: Start difference. First operand 37967 states and 51781 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 0 states have call successors, (0), 0 states 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 02:28:46,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:46,809 INFO L93 Difference]: Finished difference Result 62813 states and 85538 transitions. [2024-11-28 02:28:46,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:28:46,809 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2024-11-28 02:28:46,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:46,843 INFO L225 Difference]: With dead ends: 62813 [2024-11-28 02:28:46,843 INFO L226 Difference]: Without dead ends: 48924 [2024-11-28 02:28:46,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:28:46,855 INFO L435 NwaCegarLoop]: 985 mSDtfsCounter, 1561 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1561 SdHoareTripleChecker+Valid, 2215 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:46,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1561 Valid, 2215 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:28:46,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48924 states. [2024-11-28 02:28:47,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48924 to 42688. [2024-11-28 02:28:47,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42688 states, 42687 states have (on average 1.3583760863963268) internal successors, (57985), 42687 states have internal predecessors, (57985), 0 states have call successors, (0), 0 states 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 02:28:47,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42688 states to 42688 states and 57985 transitions. [2024-11-28 02:28:47,354 INFO L78 Accepts]: Start accepts. Automaton has 42688 states and 57985 transitions. Word has length 105 [2024-11-28 02:28:47,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:47,354 INFO L471 AbstractCegarLoop]: Abstraction has 42688 states and 57985 transitions. [2024-11-28 02:28:47,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 0 states have call successors, (0), 0 states 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 02:28:47,354 INFO L276 IsEmpty]: Start isEmpty. Operand 42688 states and 57985 transitions. [2024-11-28 02:28:47,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 02:28:47,373 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:47,373 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:28:47,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-28 02:28:47,374 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:47,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:47,374 INFO L85 PathProgramCache]: Analyzing trace with hash 573242979, now seen corresponding path program 1 times [2024-11-28 02:28:47,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:47,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9116126] [2024-11-28 02:28:47,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:47,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:47,462 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 02:28:47,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:47,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9116126] [2024-11-28 02:28:47,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9116126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:47,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:47,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:28:47,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027668576] [2024-11-28 02:28:47,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:47,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:28:47,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:47,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:28:47,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:28:47,464 INFO L87 Difference]: Start difference. First operand 42688 states and 57985 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states 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 02:28:47,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:47,720 INFO L93 Difference]: Finished difference Result 117772 states and 160979 transitions. [2024-11-28 02:28:47,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:28:47,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2024-11-28 02:28:47,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:47,792 INFO L225 Difference]: With dead ends: 117772 [2024-11-28 02:28:47,792 INFO L226 Difference]: Without dead ends: 78486 [2024-11-28 02:28:47,819 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 02:28:47,819 INFO L435 NwaCegarLoop]: 702 mSDtfsCounter, 188 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:47,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 1217 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:28:47,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78486 states. [2024-11-28 02:28:48,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78486 to 73972. [2024-11-28 02:28:48,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73972 states, 73971 states have (on average 1.360330399751254) internal successors, (100625), 73971 states have internal predecessors, (100625), 0 states have call successors, (0), 0 states 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 02:28:48,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73972 states to 73972 states and 100625 transitions. [2024-11-28 02:28:48,548 INFO L78 Accepts]: Start accepts. Automaton has 73972 states and 100625 transitions. Word has length 106 [2024-11-28 02:28:48,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:48,548 INFO L471 AbstractCegarLoop]: Abstraction has 73972 states and 100625 transitions. [2024-11-28 02:28:48,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states 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 02:28:48,548 INFO L276 IsEmpty]: Start isEmpty. Operand 73972 states and 100625 transitions. [2024-11-28 02:28:48,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 02:28:48,565 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:48,565 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:28:48,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-28 02:28:48,565 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:48,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:48,565 INFO L85 PathProgramCache]: Analyzing trace with hash 430830360, now seen corresponding path program 1 times [2024-11-28 02:28:48,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:48,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128911161] [2024-11-28 02:28:48,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:48,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:48,695 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 02:28:48,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:48,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128911161] [2024-11-28 02:28:48,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128911161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:48,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:48,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:28:48,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035708904] [2024-11-28 02:28:48,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:48,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:28:48,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:48,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:28:48,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:28:48,696 INFO L87 Difference]: Start difference. First operand 73972 states and 100625 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states 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 02:28:49,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:49,537 INFO L93 Difference]: Finished difference Result 209752 states and 286051 transitions. [2024-11-28 02:28:49,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:28:49,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2024-11-28 02:28:49,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:49,702 INFO L225 Difference]: With dead ends: 209752 [2024-11-28 02:28:49,703 INFO L226 Difference]: Without dead ends: 139182 [2024-11-28 02:28:49,747 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 02:28:49,747 INFO L435 NwaCegarLoop]: 684 mSDtfsCounter, 166 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:49,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 1212 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:28:49,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139182 states. [2024-11-28 02:28:51,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139182 to 130556. [2024-11-28 02:28:51,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130556 states, 130555 states have (on average 1.3580253532993758) internal successors, (177297), 130555 states have internal predecessors, (177297), 0 states have call successors, (0), 0 states 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 02:28:51,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130556 states to 130556 states and 177297 transitions. [2024-11-28 02:28:51,543 INFO L78 Accepts]: Start accepts. Automaton has 130556 states and 177297 transitions. Word has length 107 [2024-11-28 02:28:51,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:51,544 INFO L471 AbstractCegarLoop]: Abstraction has 130556 states and 177297 transitions. [2024-11-28 02:28:51,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states 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 02:28:51,544 INFO L276 IsEmpty]: Start isEmpty. Operand 130556 states and 177297 transitions. [2024-11-28 02:28:51,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 02:28:51,557 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:51,557 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:28:51,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-28 02:28:51,557 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:51,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:51,558 INFO L85 PathProgramCache]: Analyzing trace with hash -807820037, now seen corresponding path program 1 times [2024-11-28 02:28:51,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:51,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475197753] [2024-11-28 02:28:51,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:51,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:52,063 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 02:28:52,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:52,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475197753] [2024-11-28 02:28:52,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475197753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:52,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:52,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:28:52,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965546034] [2024-11-28 02:28:52,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:52,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:28:52,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:52,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:28:52,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:28:52,065 INFO L87 Difference]: Start difference. First operand 130556 states and 177297 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 02:28:53,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:53,474 INFO L93 Difference]: Finished difference Result 374488 states and 507691 transitions. [2024-11-28 02:28:53,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:28:53,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2024-11-28 02:28:53,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:53,756 INFO L225 Difference]: With dead ends: 374488 [2024-11-28 02:28:53,756 INFO L226 Difference]: Without dead ends: 247334 [2024-11-28 02:28:53,824 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 02:28:53,824 INFO L435 NwaCegarLoop]: 666 mSDtfsCounter, 145 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:53,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 1201 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:28:53,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247334 states. [2024-11-28 02:28:56,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247334 to 230332. [2024-11-28 02:28:56,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230332 states, 230331 states have (on average 1.345198865979829) internal successors, (309841), 230331 states have internal predecessors, (309841), 0 states have call successors, (0), 0 states 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 02:28:57,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230332 states to 230332 states and 309841 transitions. [2024-11-28 02:28:57,383 INFO L78 Accepts]: Start accepts. Automaton has 230332 states and 309841 transitions. Word has length 108 [2024-11-28 02:28:57,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:28:57,384 INFO L471 AbstractCegarLoop]: Abstraction has 230332 states and 309841 transitions. [2024-11-28 02:28:57,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 02:28:57,384 INFO L276 IsEmpty]: Start isEmpty. Operand 230332 states and 309841 transitions. [2024-11-28 02:28:57,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-28 02:28:57,398 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:28:57,398 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:28:57,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-28 02:28:57,398 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:28:57,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:28:57,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1379568338, now seen corresponding path program 1 times [2024-11-28 02:28:57,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:28:57,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932290984] [2024-11-28 02:28:57,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:28:57,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:28:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:28:57,479 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 02:28:57,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:28:57,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932290984] [2024-11-28 02:28:57,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932290984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:28:57,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:28:57,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:28:57,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879618980] [2024-11-28 02:28:57,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:28:57,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:28:57,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:28:57,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:28:57,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:28:57,483 INFO L87 Difference]: Start difference. First operand 230332 states and 309841 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states 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 02:28:58,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:28:58,521 INFO L93 Difference]: Finished difference Result 265679 states and 357010 transitions. [2024-11-28 02:28:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:28:58,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2024-11-28 02:28:58,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:28:58,710 INFO L225 Difference]: With dead ends: 265679 [2024-11-28 02:28:58,710 INFO L226 Difference]: Without dead ends: 182034 [2024-11-28 02:28:58,758 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 02:28:58,759 INFO L435 NwaCegarLoop]: 793 mSDtfsCounter, 314 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:28:58,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 1221 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:28:58,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182034 states. [2024-11-28 02:29:00,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182034 to 137080. [2024-11-28 02:29:00,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137080 states, 137079 states have (on average 1.3397383990253795) internal successors, (183650), 137079 states have internal predecessors, (183650), 0 states have call successors, (0), 0 states 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 02:29:01,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137080 states to 137080 states and 183650 transitions. [2024-11-28 02:29:01,072 INFO L78 Accepts]: Start accepts. Automaton has 137080 states and 183650 transitions. Word has length 109 [2024-11-28 02:29:01,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:29:01,072 INFO L471 AbstractCegarLoop]: Abstraction has 137080 states and 183650 transitions. [2024-11-28 02:29:01,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states 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 02:29:01,072 INFO L276 IsEmpty]: Start isEmpty. Operand 137080 states and 183650 transitions. [2024-11-28 02:29:01,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 02:29:01,082 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:29:01,082 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:29:01,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-28 02:29:01,083 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:29:01,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:29:01,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1682257480, now seen corresponding path program 1 times [2024-11-28 02:29:01,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:29:01,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424462686] [2024-11-28 02:29:01,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:29:01,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:29:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:29:01,143 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 02:29:01,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:29:01,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424462686] [2024-11-28 02:29:01,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424462686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:29:01,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:29:01,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:29:01,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903486561] [2024-11-28 02:29:01,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:29:01,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:29:01,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:29:01,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:29:01,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:29:01,144 INFO L87 Difference]: Start difference. First operand 137080 states and 183650 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states 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 02:29:01,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:29:01,559 INFO L93 Difference]: Finished difference Result 188306 states and 250929 transitions. [2024-11-28 02:29:01,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:29:01,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2024-11-28 02:29:01,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:29:01,689 INFO L225 Difference]: With dead ends: 188306 [2024-11-28 02:29:01,689 INFO L226 Difference]: Without dead ends: 122655 [2024-11-28 02:29:01,733 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 02:29:01,733 INFO L435 NwaCegarLoop]: 733 mSDtfsCounter, 365 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 1109 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:29:01,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 1109 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:29:01,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122655 states. [2024-11-28 02:29:03,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122655 to 122653. [2024-11-28 02:29:03,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122653 states, 122652 states have (on average 1.3233620324169195) internal successors, (162313), 122652 states have internal predecessors, (162313), 0 states have call successors, (0), 0 states 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 02:29:03,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122653 states to 122653 states and 162313 transitions. [2024-11-28 02:29:03,524 INFO L78 Accepts]: Start accepts. Automaton has 122653 states and 162313 transitions. Word has length 111 [2024-11-28 02:29:03,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:29:03,525 INFO L471 AbstractCegarLoop]: Abstraction has 122653 states and 162313 transitions. [2024-11-28 02:29:03,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states 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 02:29:03,525 INFO L276 IsEmpty]: Start isEmpty. Operand 122653 states and 162313 transitions. [2024-11-28 02:29:03,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 02:29:03,533 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:29:03,533 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:29:03,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-28 02:29:03,533 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:29:03,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:29:03,534 INFO L85 PathProgramCache]: Analyzing trace with hash -735011615, now seen corresponding path program 1 times [2024-11-28 02:29:03,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:29:03,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837935802] [2024-11-28 02:29:03,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:29:03,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:29:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:29:03,635 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 02:29:03,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:29:03,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837935802] [2024-11-28 02:29:03,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837935802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:29:03,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:29:03,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:29:03,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570876336] [2024-11-28 02:29:03,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:29:03,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:29:03,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:29:03,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:29:03,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:29:03,636 INFO L87 Difference]: Start difference. First operand 122653 states and 162313 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states 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 02:29:04,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:29:04,756 INFO L93 Difference]: Finished difference Result 352801 states and 466027 transitions. [2024-11-28 02:29:04,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:29:04,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2024-11-28 02:29:04,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:29:05,031 INFO L225 Difference]: With dead ends: 352801 [2024-11-28 02:29:05,031 INFO L226 Difference]: Without dead ends: 232927 [2024-11-28 02:29:05,099 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 02:29:05,100 INFO L435 NwaCegarLoop]: 730 mSDtfsCounter, 207 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 1232 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:29:05,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 1232 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:29:05,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232927 states. [2024-11-28 02:29:07,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232927 to 223069. [2024-11-28 02:29:07,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223069 states, 223068 states have (on average 1.315370201014937) internal successors, (293417), 223068 states have internal predecessors, (293417), 0 states have call successors, (0), 0 states 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 02:29:08,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223069 states to 223069 states and 293417 transitions. [2024-11-28 02:29:08,420 INFO L78 Accepts]: Start accepts. Automaton has 223069 states and 293417 transitions. Word has length 111 [2024-11-28 02:29:08,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:29:08,420 INFO L471 AbstractCegarLoop]: Abstraction has 223069 states and 293417 transitions. [2024-11-28 02:29:08,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states 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 02:29:08,420 INFO L276 IsEmpty]: Start isEmpty. Operand 223069 states and 293417 transitions. [2024-11-28 02:29:08,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 02:29:08,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:29:08,426 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:29:08,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-28 02:29:08,426 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 02:29:08,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:29:08,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1181908711, now seen corresponding path program 1 times [2024-11-28 02:29:08,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:29:08,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535266521] [2024-11-28 02:29:08,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:29:08,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:29:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:29:08,516 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 02:29:08,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:29:08,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535266521] [2024-11-28 02:29:08,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535266521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:29:08,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:29:08,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:29:08,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551007700] [2024-11-28 02:29:08,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:29:08,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:29:08,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:29:08,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:29:08,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:29:08,518 INFO L87 Difference]: Start difference. First operand 223069 states and 293417 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states 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 02:29:10,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:29:10,658 INFO L93 Difference]: Finished difference Result 647649 states and 849739 transitions. [2024-11-28 02:29:10,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:29:10,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2024-11-28 02:29:10,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:29:11,145 INFO L225 Difference]: With dead ends: 647649 [2024-11-28 02:29:11,146 INFO L226 Difference]: Without dead ends: 427359 [2024-11-28 02:29:11,240 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 02:29:11,241 INFO L435 NwaCegarLoop]: 657 mSDtfsCounter, 120 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:29:11,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1189 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:29:11,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427359 states.