./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 c7aa3cc4b1f15d564db90712e4f440d0f111d49f542d9eda58173576bb757792 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 15:05:39,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 15:05:39,626 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 15:05:39,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 15:05:39,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 15:05:39,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 15:05:39,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 15:05:39,657 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 15:05:39,658 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 15:05:39,659 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 15:05:39,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 15:05:39,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 15:05:39,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 15:05:39,660 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 15:05:39,661 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 15:05:39,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 15:05:39,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 15:05:39,661 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 15:05:39,661 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 15:05:39,662 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 15:05:39,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 15:05:39,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 15:05:39,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 15:05:39,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 15:05:39,667 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 15:05:39,667 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 15:05:39,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 15:05:39,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 15:05:39,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 15:05:39,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 15:05:39,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 15:05:39,668 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 15:05:39,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 15:05:39,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 15:05:39,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 15:05:39,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 15:05:39,669 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 15:05:39,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 15:05:39,669 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 15:05:39,670 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 15:05:39,670 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 15:05:39,671 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 15:05:39,671 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7aa3cc4b1f15d564db90712e4f440d0f111d49f542d9eda58173576bb757792 [2024-11-18 15:05:39,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 15:05:39,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 15:05:39,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 15:05:39,905 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 15:05:39,905 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 15:05:39,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2024-11-18 15:05:41,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 15:05:41,450 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 15:05:41,450 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2024-11-18 15:05:41,469 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/072ef486b/93220ce501b645ce8205158f6ff71a87/FLAGd16e198ab [2024-11-18 15:05:41,482 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/072ef486b/93220ce501b645ce8205158f6ff71a87 [2024-11-18 15:05:41,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 15:05:41,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 15:05:41,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 15:05:41,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 15:05:41,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 15:05:41,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:05:41" (1/1) ... [2024-11-18 15:05:41,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1a6661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:41, skipping insertion in model container [2024-11-18 15:05:41,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:05:41" (1/1) ... [2024-11-18 15:05:41,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 15:05:41,825 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[9421,9434] [2024-11-18 15:05:41,889 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12913,12926] [2024-11-18 15:05:41,902 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14069,14082] [2024-11-18 15:05:41,906 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14725,14738] [2024-11-18 15:05:41,911 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16246,16259] [2024-11-18 15:05:41,914 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16902,16915] [2024-11-18 15:05:41,920 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[17886,17899] [2024-11-18 15:05:41,932 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20224,20237] [2024-11-18 15:05:41,938 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20883,20896] [2024-11-18 15:05:41,946 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[21907,21920] [2024-11-18 15:05:41,959 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23782,23795] [2024-11-18 15:05:42,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 15:05:42,042 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 15:05:42,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[9421,9434] [2024-11-18 15:05:42,106 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12913,12926] [2024-11-18 15:05:42,114 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14069,14082] [2024-11-18 15:05:42,120 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[14725,14738] [2024-11-18 15:05:42,124 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16246,16259] [2024-11-18 15:05:42,126 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[16902,16915] [2024-11-18 15:05:42,128 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[17886,17899] [2024-11-18 15:05:42,133 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20224,20237] [2024-11-18 15:05:42,137 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[20883,20896] [2024-11-18 15:05:42,140 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[21907,21920] [2024-11-18 15:05:42,143 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23782,23795] [2024-11-18 15:05:42,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 15:05:42,193 INFO L204 MainTranslator]: Completed translation [2024-11-18 15:05:42,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:42 WrapperNode [2024-11-18 15:05:42,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 15:05:42,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 15:05:42,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 15:05:42,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 15:05:42,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:42" (1/1) ... [2024-11-18 15:05:42,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:42" (1/1) ... [2024-11-18 15:05:42,270 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2022 [2024-11-18 15:05:42,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 15:05:42,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 15:05:42,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 15:05:42,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 15:05:42,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:42" (1/1) ... [2024-11-18 15:05:42,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:42" (1/1) ... [2024-11-18 15:05:42,289 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:42" (1/1) ... [2024-11-18 15:05:42,319 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]. [2024-11-18 15:05:42,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:42" (1/1) ... [2024-11-18 15:05:42,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:42" (1/1) ... [2024-11-18 15:05:42,344 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:42" (1/1) ... [2024-11-18 15:05:42,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:42" (1/1) ... [2024-11-18 15:05:42,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:42" (1/1) ... [2024-11-18 15:05:42,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:42" (1/1) ... [2024-11-18 15:05:42,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 15:05:42,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 15:05:42,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 15:05:42,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 15:05:42,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:42" (1/1) ... [2024-11-18 15:05:42,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 15:05:42,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 15:05:42,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 15:05:42,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 15:05:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 15:05:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 15:05:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 15:05:42,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 15:05:42,646 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 15:05:42,648 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 15:05:43,737 INFO L? ?]: Removed 326 outVars from TransFormulas that were not future-live. [2024-11-18 15:05:43,738 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 15:05:43,756 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 15:05:43,756 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-18 15:05:43,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:05:43 BoogieIcfgContainer [2024-11-18 15:05:43,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 15:05:43,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 15:05:43,759 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 15:05:43,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 15:05:43,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:05:41" (1/3) ... [2024-11-18 15:05:43,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3c7252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:05:43, skipping insertion in model container [2024-11-18 15:05:43,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:42" (2/3) ... [2024-11-18 15:05:43,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3c7252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:05:43, skipping insertion in model container [2024-11-18 15:05:43,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:05:43" (3/3) ... [2024-11-18 15:05:43,763 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2024-11-18 15:05:43,780 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 15:05:43,781 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-11-18 15:05:43,895 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 15:05:43,901 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;@c1c059e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 15:05:43,901 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-18 15:05:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 358 states, 346 states have (on average 1.8381502890173411) internal successors, (636), 357 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:43,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-18 15:05:43,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:43,921 INFO L215 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] [2024-11-18 15:05:43,921 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:43,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:43,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1374718599, now seen corresponding path program 1 times [2024-11-18 15:05:43,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:43,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228977759] [2024-11-18 15:05:43,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:43,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:44,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:44,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:44,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228977759] [2024-11-18 15:05:44,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228977759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:44,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:44,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:05:44,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847432858] [2024-11-18 15:05:44,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:44,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:05:44,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:44,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:05:44,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:05:44,400 INFO L87 Difference]: Start difference. First operand has 358 states, 346 states have (on average 1.8381502890173411) internal successors, (636), 357 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:44,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:44,736 INFO L93 Difference]: Finished difference Result 704 states and 1191 transitions. [2024-11-18 15:05:44,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:05:44,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2024-11-18 15:05:44,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:44,753 INFO L225 Difference]: With dead ends: 704 [2024-11-18 15:05:44,753 INFO L226 Difference]: Without dead ends: 428 [2024-11-18 15:05:44,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-18 15:05:44,761 INFO L432 NwaCegarLoop]: 349 mSDtfsCounter, 1877 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:44,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1877 Valid, 500 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 15:05:44,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-18 15:05:44,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 386. [2024-11-18 15:05:44,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 375 states have (on average 1.3546666666666667) internal successors, (508), 385 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:44,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 508 transitions. [2024-11-18 15:05:44,818 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 508 transitions. Word has length 59 [2024-11-18 15:05:44,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:44,818 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 508 transitions. [2024-11-18 15:05:44,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:44,818 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 508 transitions. [2024-11-18 15:05:44,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-18 15:05:44,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:44,821 INFO L215 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] [2024-11-18 15:05:44,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 15:05:44,821 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:44,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:44,822 INFO L85 PathProgramCache]: Analyzing trace with hash -2133391140, now seen corresponding path program 1 times [2024-11-18 15:05:44,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:44,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554466965] [2024-11-18 15:05:44,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:44,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:44,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:44,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:44,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554466965] [2024-11-18 15:05:44,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554466965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:44,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:44,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:05:44,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824211706] [2024-11-18 15:05:44,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:44,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:05:44,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:44,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:05:44,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:05:44,944 INFO L87 Difference]: Start difference. First operand 386 states and 508 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:45,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:45,164 INFO L93 Difference]: Finished difference Result 681 states and 918 transitions. [2024-11-18 15:05:45,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:05:45,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2024-11-18 15:05:45,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:45,166 INFO L225 Difference]: With dead ends: 681 [2024-11-18 15:05:45,166 INFO L226 Difference]: Without dead ends: 366 [2024-11-18 15:05:45,166 INFO L431 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 [2024-11-18 15:05:45,169 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 953 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 953 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:45,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [953 Valid, 210 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 15:05:45,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-18 15:05:45,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2024-11-18 15:05:45,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 355 states have (on average 1.3577464788732394) internal successors, (482), 365 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:45,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 482 transitions. [2024-11-18 15:05:45,186 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 482 transitions. Word has length 60 [2024-11-18 15:05:45,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:45,188 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 482 transitions. [2024-11-18 15:05:45,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:45,188 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 482 transitions. [2024-11-18 15:05:45,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-18 15:05:45,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:45,190 INFO L215 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] [2024-11-18 15:05:45,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 15:05:45,190 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:45,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:45,190 INFO L85 PathProgramCache]: Analyzing trace with hash 626465560, now seen corresponding path program 1 times [2024-11-18 15:05:45,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:45,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341648660] [2024-11-18 15:05:45,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:45,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:45,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:45,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:45,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341648660] [2024-11-18 15:05:45,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341648660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:45,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:45,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:05:45,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003226310] [2024-11-18 15:05:45,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:45,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:05:45,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:45,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:05:45,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:05:45,325 INFO L87 Difference]: Start difference. First operand 366 states and 482 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:45,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:45,461 INFO L93 Difference]: Finished difference Result 661 states and 890 transitions. [2024-11-18 15:05:45,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:05:45,462 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2024-11-18 15:05:45,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:45,463 INFO L225 Difference]: With dead ends: 661 [2024-11-18 15:05:45,463 INFO L226 Difference]: Without dead ends: 347 [2024-11-18 15:05:45,464 INFO L431 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 [2024-11-18 15:05:45,465 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 913 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:45,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 199 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:05:45,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-18 15:05:45,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2024-11-18 15:05:45,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 336 states have (on average 1.3660714285714286) internal successors, (459), 346 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:45,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 459 transitions. [2024-11-18 15:05:45,476 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 459 transitions. Word has length 61 [2024-11-18 15:05:45,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:45,477 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 459 transitions. [2024-11-18 15:05:45,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:45,477 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 459 transitions. [2024-11-18 15:05:45,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-18 15:05:45,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:45,480 INFO L215 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] [2024-11-18 15:05:45,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 15:05:45,480 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:45,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:45,481 INFO L85 PathProgramCache]: Analyzing trace with hash 55190193, now seen corresponding path program 1 times [2024-11-18 15:05:45,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:45,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442115963] [2024-11-18 15:05:45,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:45,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:45,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:45,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:45,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442115963] [2024-11-18 15:05:45,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442115963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:45,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:45,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 15:05:45,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642119454] [2024-11-18 15:05:45,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:45,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 15:05:45,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:45,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 15:05:45,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 15:05:45,638 INFO L87 Difference]: Start difference. First operand 347 states and 459 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:45,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:45,770 INFO L93 Difference]: Finished difference Result 642 states and 865 transitions. [2024-11-18 15:05:45,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 15:05:45,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2024-11-18 15:05:45,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:45,772 INFO L225 Difference]: With dead ends: 642 [2024-11-18 15:05:45,772 INFO L226 Difference]: Without dead ends: 339 [2024-11-18 15:05:45,772 INFO L431 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 [2024-11-18 15:05:45,773 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 870 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 870 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:45,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [870 Valid, 195 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:05:45,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-18 15:05:45,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2024-11-18 15:05:45,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 328 states have (on average 1.3658536585365855) internal successors, (448), 338 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:45,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 448 transitions. [2024-11-18 15:05:45,783 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 448 transitions. Word has length 62 [2024-11-18 15:05:45,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:45,783 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 448 transitions. [2024-11-18 15:05:45,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:45,784 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 448 transitions. [2024-11-18 15:05:45,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-18 15:05:45,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:45,785 INFO L215 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] [2024-11-18 15:05:45,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 15:05:45,785 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:45,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:45,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1176799625, now seen corresponding path program 1 times [2024-11-18 15:05:45,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:45,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176031748] [2024-11-18 15:05:45,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:45,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:46,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:46,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:46,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176031748] [2024-11-18 15:05:46,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176031748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:46,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:46,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:05:46,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77694455] [2024-11-18 15:05:46,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:46,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:05:46,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:46,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:05:46,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:05:46,070 INFO L87 Difference]: Start difference. First operand 339 states and 448 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:46,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:46,434 INFO L93 Difference]: Finished difference Result 616 states and 826 transitions. [2024-11-18 15:05:46,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:05:46,434 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2024-11-18 15:05:46,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:46,436 INFO L225 Difference]: With dead ends: 616 [2024-11-18 15:05:46,436 INFO L226 Difference]: Without dead ends: 476 [2024-11-18 15:05:46,437 INFO L431 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 [2024-11-18 15:05:46,437 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1291 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1291 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:46,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1291 Valid, 776 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 15:05:46,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-11-18 15:05:46,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 339. [2024-11-18 15:05:46,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 328 states have (on average 1.3628048780487805) internal successors, (447), 338 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:46,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 447 transitions. [2024-11-18 15:05:46,443 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 447 transitions. Word has length 63 [2024-11-18 15:05:46,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:46,444 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 447 transitions. [2024-11-18 15:05:46,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:46,444 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 447 transitions. [2024-11-18 15:05:46,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-18 15:05:46,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:46,444 INFO L215 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] [2024-11-18 15:05:46,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 15:05:46,445 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:46,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:46,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1585644853, now seen corresponding path program 1 times [2024-11-18 15:05:46,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:46,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554449192] [2024-11-18 15:05:46,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:46,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:46,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:46,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:46,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554449192] [2024-11-18 15:05:46,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554449192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:46,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:46,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:05:46,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753408306] [2024-11-18 15:05:46,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:46,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:05:46,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:46,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:05:46,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:05:46,720 INFO L87 Difference]: Start difference. First operand 339 states and 447 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:47,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:47,152 INFO L93 Difference]: Finished difference Result 668 states and 907 transitions. [2024-11-18 15:05:47,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:05:47,153 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2024-11-18 15:05:47,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:47,155 INFO L225 Difference]: With dead ends: 668 [2024-11-18 15:05:47,155 INFO L226 Difference]: Without dead ends: 550 [2024-11-18 15:05:47,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:05:47,156 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 1636 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:47,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1636 Valid, 876 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 15:05:47,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-18 15:05:47,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 339. [2024-11-18 15:05:47,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 328 states have (on average 1.3597560975609757) internal successors, (446), 338 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:47,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 446 transitions. [2024-11-18 15:05:47,163 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 446 transitions. Word has length 63 [2024-11-18 15:05:47,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:47,164 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 446 transitions. [2024-11-18 15:05:47,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:47,164 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 446 transitions. [2024-11-18 15:05:47,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-18 15:05:47,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:47,165 INFO L215 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] [2024-11-18 15:05:47,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 15:05:47,165 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:47,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:47,166 INFO L85 PathProgramCache]: Analyzing trace with hash 202563885, now seen corresponding path program 1 times [2024-11-18 15:05:47,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:47,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953629691] [2024-11-18 15:05:47,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:47,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:47,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:47,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953629691] [2024-11-18 15:05:47,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953629691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:47,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:47,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-18 15:05:47,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598350980] [2024-11-18 15:05:47,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:47,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 15:05:47,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:47,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 15:05:47,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-18 15:05:47,460 INFO L87 Difference]: Start difference. First operand 339 states and 446 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:47,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:47,782 INFO L93 Difference]: Finished difference Result 689 states and 911 transitions. [2024-11-18 15:05:47,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-18 15:05:47,783 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2024-11-18 15:05:47,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:47,784 INFO L225 Difference]: With dead ends: 689 [2024-11-18 15:05:47,785 INFO L226 Difference]: Without dead ends: 504 [2024-11-18 15:05:47,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-18 15:05:47,785 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 1279 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:47,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1279 Valid, 758 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 15:05:47,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2024-11-18 15:05:47,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 339. [2024-11-18 15:05:47,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 328 states have (on average 1.3567073170731707) internal successors, (445), 338 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:47,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 445 transitions. [2024-11-18 15:05:47,791 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 445 transitions. Word has length 63 [2024-11-18 15:05:47,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:47,791 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 445 transitions. [2024-11-18 15:05:47,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:47,792 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 445 transitions. [2024-11-18 15:05:47,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-18 15:05:47,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:47,792 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:05:47,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 15:05:47,793 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:47,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:47,793 INFO L85 PathProgramCache]: Analyzing trace with hash -620136770, now seen corresponding path program 1 times [2024-11-18 15:05:47,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:47,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88659047] [2024-11-18 15:05:47,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:47,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:48,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:48,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:48,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88659047] [2024-11-18 15:05:48,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88659047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:48,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:48,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:05:48,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989235443] [2024-11-18 15:05:48,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:48,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:05:48,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:48,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:05:48,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:05:48,030 INFO L87 Difference]: Start difference. First operand 339 states and 445 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:48,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:48,435 INFO L93 Difference]: Finished difference Result 641 states and 861 transitions. [2024-11-18 15:05:48,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:05:48,435 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-18 15:05:48,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:48,437 INFO L225 Difference]: With dead ends: 641 [2024-11-18 15:05:48,437 INFO L226 Difference]: Without dead ends: 530 [2024-11-18 15:05:48,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:05:48,438 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 1676 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1676 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:48,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1676 Valid, 777 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 15:05:48,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-11-18 15:05:48,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 339. [2024-11-18 15:05:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 328 states have (on average 1.353658536585366) internal successors, (444), 338 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 444 transitions. [2024-11-18 15:05:48,443 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 444 transitions. Word has length 65 [2024-11-18 15:05:48,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:48,443 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 444 transitions. [2024-11-18 15:05:48,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:48,443 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 444 transitions. [2024-11-18 15:05:48,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-18 15:05:48,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:48,444 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:05:48,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-18 15:05:48,444 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:48,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:48,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1292060332, now seen corresponding path program 1 times [2024-11-18 15:05:48,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:48,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9791567] [2024-11-18 15:05:48,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:48,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:48,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:48,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9791567] [2024-11-18 15:05:48,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9791567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:48,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:48,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-18 15:05:48,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108275318] [2024-11-18 15:05:48,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:48,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-18 15:05:48,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:48,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-18 15:05:48,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:05:48,791 INFO L87 Difference]: Start difference. First operand 339 states and 444 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:49,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:49,494 INFO L93 Difference]: Finished difference Result 1033 states and 1436 transitions. [2024-11-18 15:05:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-18 15:05:49,494 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-18 15:05:49,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:49,496 INFO L225 Difference]: With dead ends: 1033 [2024-11-18 15:05:49,496 INFO L226 Difference]: Without dead ends: 910 [2024-11-18 15:05:49,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-18 15:05:49,497 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 3556 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3556 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:49,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3556 Valid, 944 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 15:05:49,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2024-11-18 15:05:49,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 343. [2024-11-18 15:05:49,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 332 states have (on average 1.3493975903614457) internal successors, (448), 342 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:49,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 448 transitions. [2024-11-18 15:05:49,504 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 448 transitions. Word has length 65 [2024-11-18 15:05:49,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:49,504 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 448 transitions. [2024-11-18 15:05:49,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 11 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:49,504 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 448 transitions. [2024-11-18 15:05:49,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-18 15:05:49,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:49,505 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:05:49,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-18 15:05:49,505 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:49,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:49,505 INFO L85 PathProgramCache]: Analyzing trace with hash -109241464, now seen corresponding path program 1 times [2024-11-18 15:05:49,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:49,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249880007] [2024-11-18 15:05:49,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:49,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:49,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:49,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:49,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249880007] [2024-11-18 15:05:49,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249880007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:49,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:49,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:05:49,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223714260] [2024-11-18 15:05:49,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:49,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:05:49,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:49,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:05:49,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:05:49,697 INFO L87 Difference]: Start difference. First operand 343 states and 448 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:50,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:50,061 INFO L93 Difference]: Finished difference Result 642 states and 861 transitions. [2024-11-18 15:05:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:05:50,061 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-18 15:05:50,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:50,063 INFO L225 Difference]: With dead ends: 642 [2024-11-18 15:05:50,063 INFO L226 Difference]: Without dead ends: 534 [2024-11-18 15:05:50,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:05:50,064 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 1673 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1673 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:50,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1673 Valid, 777 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 15:05:50,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-18 15:05:50,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 343. [2024-11-18 15:05:50,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 332 states have (on average 1.3463855421686748) internal successors, (447), 342 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:50,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 447 transitions. [2024-11-18 15:05:50,069 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 447 transitions. Word has length 65 [2024-11-18 15:05:50,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:50,069 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 447 transitions. [2024-11-18 15:05:50,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:50,069 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 447 transitions. [2024-11-18 15:05:50,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-18 15:05:50,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:50,070 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:05:50,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-18 15:05:50,070 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:50,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:50,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1375273345, now seen corresponding path program 1 times [2024-11-18 15:05:50,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:50,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518131366] [2024-11-18 15:05:50,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:50,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:50,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:50,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:50,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518131366] [2024-11-18 15:05:50,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518131366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:50,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:50,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:05:50,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658796773] [2024-11-18 15:05:50,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:50,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:05:50,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:50,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:05:50,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:05:50,233 INFO L87 Difference]: Start difference. First operand 343 states and 447 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:50,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:50,623 INFO L93 Difference]: Finished difference Result 539 states and 704 transitions. [2024-11-18 15:05:50,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:05:50,624 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-18 15:05:50,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:50,626 INFO L225 Difference]: With dead ends: 539 [2024-11-18 15:05:50,626 INFO L226 Difference]: Without dead ends: 534 [2024-11-18 15:05:50,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:05:50,626 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 1360 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:50,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1360 Valid, 768 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 15:05:50,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-18 15:05:50,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 343. [2024-11-18 15:05:50,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 332 states have (on average 1.3433734939759037) internal successors, (446), 342 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:50,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 446 transitions. [2024-11-18 15:05:50,633 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 446 transitions. Word has length 65 [2024-11-18 15:05:50,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:50,633 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 446 transitions. [2024-11-18 15:05:50,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 446 transitions. [2024-11-18 15:05:50,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-18 15:05:50,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:50,634 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:05:50,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-18 15:05:50,635 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:50,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:50,635 INFO L85 PathProgramCache]: Analyzing trace with hash -636059456, now seen corresponding path program 1 times [2024-11-18 15:05:50,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:50,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769472818] [2024-11-18 15:05:50,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:50,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:50,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:50,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:50,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769472818] [2024-11-18 15:05:50,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769472818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:50,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:50,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-18 15:05:50,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367153442] [2024-11-18 15:05:50,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:50,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-18 15:05:50,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:50,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-18 15:05:50,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-18 15:05:50,949 INFO L87 Difference]: Start difference. First operand 343 states and 446 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:51,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:51,470 INFO L93 Difference]: Finished difference Result 652 states and 885 transitions. [2024-11-18 15:05:51,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-18 15:05:51,471 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-18 15:05:51,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:51,472 INFO L225 Difference]: With dead ends: 652 [2024-11-18 15:05:51,472 INFO L226 Difference]: Without dead ends: 482 [2024-11-18 15:05:51,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2024-11-18 15:05:51,473 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 1532 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:51,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1532 Valid, 1170 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 15:05:51,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-18 15:05:51,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 343. [2024-11-18 15:05:51,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 332 states have (on average 1.3373493975903614) internal successors, (444), 342 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:51,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 444 transitions. [2024-11-18 15:05:51,479 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 444 transitions. Word has length 65 [2024-11-18 15:05:51,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:51,479 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 444 transitions. [2024-11-18 15:05:51,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:51,479 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 444 transitions. [2024-11-18 15:05:51,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-18 15:05:51,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:51,480 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:05:51,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-18 15:05:51,480 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:51,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:51,481 INFO L85 PathProgramCache]: Analyzing trace with hash 2058271748, now seen corresponding path program 1 times [2024-11-18 15:05:51,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:51,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324221090] [2024-11-18 15:05:51,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:51,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:51,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:51,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:51,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324221090] [2024-11-18 15:05:51,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324221090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:51,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:51,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:05:51,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254562437] [2024-11-18 15:05:51,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:51,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:05:51,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:51,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:05:51,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:05:51,660 INFO L87 Difference]: Start difference. First operand 343 states and 444 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:52,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:52,019 INFO L93 Difference]: Finished difference Result 539 states and 700 transitions. [2024-11-18 15:05:52,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:05:52,019 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-18 15:05:52,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:52,021 INFO L225 Difference]: With dead ends: 539 [2024-11-18 15:05:52,021 INFO L226 Difference]: Without dead ends: 534 [2024-11-18 15:05:52,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-18 15:05:52,022 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 1088 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1088 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:52,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1088 Valid, 883 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 15:05:52,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-18 15:05:52,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 343. [2024-11-18 15:05:52,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 332 states have (on average 1.3313253012048192) internal successors, (442), 342 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:52,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 442 transitions. [2024-11-18 15:05:52,027 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 442 transitions. Word has length 65 [2024-11-18 15:05:52,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:52,028 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 442 transitions. [2024-11-18 15:05:52,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:52,028 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 442 transitions. [2024-11-18 15:05:52,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-18 15:05:52,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:52,028 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:05:52,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-18 15:05:52,029 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:52,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:52,029 INFO L85 PathProgramCache]: Analyzing trace with hash -324498446, now seen corresponding path program 1 times [2024-11-18 15:05:52,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:52,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102548833] [2024-11-18 15:05:52,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:52,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:52,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:52,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102548833] [2024-11-18 15:05:52,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102548833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:52,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:52,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:05:52,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158769391] [2024-11-18 15:05:52,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:52,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:05:52,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:52,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:05:52,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:05:52,178 INFO L87 Difference]: Start difference. First operand 343 states and 442 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:52,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:52,595 INFO L93 Difference]: Finished difference Result 567 states and 742 transitions. [2024-11-18 15:05:52,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:05:52,595 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-18 15:05:52,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:52,597 INFO L225 Difference]: With dead ends: 567 [2024-11-18 15:05:52,597 INFO L226 Difference]: Without dead ends: 550 [2024-11-18 15:05:52,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:05:52,597 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 1505 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1505 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:52,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1505 Valid, 964 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 15:05:52,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-18 15:05:52,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 343. [2024-11-18 15:05:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 332 states have (on average 1.3253012048192772) internal successors, (440), 342 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:52,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 440 transitions. [2024-11-18 15:05:52,606 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 440 transitions. Word has length 65 [2024-11-18 15:05:52,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:52,606 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 440 transitions. [2024-11-18 15:05:52,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:52,607 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 440 transitions. [2024-11-18 15:05:52,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-18 15:05:52,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:52,607 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:05:52,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-18 15:05:52,608 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:52,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:52,608 INFO L85 PathProgramCache]: Analyzing trace with hash -849466761, now seen corresponding path program 1 times [2024-11-18 15:05:52,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:52,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965523201] [2024-11-18 15:05:52,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:52,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:52,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:52,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:52,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965523201] [2024-11-18 15:05:52,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965523201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:52,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:52,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:05:52,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138813993] [2024-11-18 15:05:52,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:52,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:05:52,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:52,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:05:52,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:05:52,824 INFO L87 Difference]: Start difference. First operand 343 states and 440 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:53,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:53,229 INFO L93 Difference]: Finished difference Result 673 states and 899 transitions. [2024-11-18 15:05:53,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:05:53,229 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-18 15:05:53,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:53,231 INFO L225 Difference]: With dead ends: 673 [2024-11-18 15:05:53,231 INFO L226 Difference]: Without dead ends: 550 [2024-11-18 15:05:53,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:05:53,232 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 939 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:53,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [939 Valid, 1119 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-18 15:05:53,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-18 15:05:53,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 339. [2024-11-18 15:05:53,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 328 states have (on average 1.326219512195122) internal successors, (435), 338 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:53,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 435 transitions. [2024-11-18 15:05:53,237 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 435 transitions. Word has length 66 [2024-11-18 15:05:53,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:53,237 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 435 transitions. [2024-11-18 15:05:53,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:53,237 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 435 transitions. [2024-11-18 15:05:53,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-18 15:05:53,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:53,238 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:05:53,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-18 15:05:53,238 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:53,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:53,238 INFO L85 PathProgramCache]: Analyzing trace with hash -809481061, now seen corresponding path program 1 times [2024-11-18 15:05:53,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:53,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190503615] [2024-11-18 15:05:53,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:53,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:53,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:53,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:53,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190503615] [2024-11-18 15:05:53,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190503615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:53,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:53,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-18 15:05:53,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007962660] [2024-11-18 15:05:53,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:53,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-18 15:05:53,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:53,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-18 15:05:53,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-18 15:05:53,535 INFO L87 Difference]: Start difference. First operand 339 states and 435 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:53,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:53,849 INFO L93 Difference]: Finished difference Result 587 states and 784 transitions. [2024-11-18 15:05:53,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:05:53,850 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-18 15:05:53,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:53,851 INFO L225 Difference]: With dead ends: 587 [2024-11-18 15:05:53,851 INFO L226 Difference]: Without dead ends: 418 [2024-11-18 15:05:53,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-18 15:05:53,852 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 868 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:53,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [868 Valid, 1007 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:05:53,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-18 15:05:53,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 276. [2024-11-18 15:05:53,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 269 states have (on average 1.3308550185873607) internal successors, (358), 275 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 358 transitions. [2024-11-18 15:05:53,860 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 358 transitions. Word has length 67 [2024-11-18 15:05:53,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:53,860 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 358 transitions. [2024-11-18 15:05:53,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:53,860 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 358 transitions. [2024-11-18 15:05:53,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-18 15:05:53,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:53,861 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:05:53,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-18 15:05:53,861 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:53,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:53,862 INFO L85 PathProgramCache]: Analyzing trace with hash -827796874, now seen corresponding path program 1 times [2024-11-18 15:05:53,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:53,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517993246] [2024-11-18 15:05:53,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:53,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:54,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:54,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:54,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517993246] [2024-11-18 15:05:54,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517993246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:54,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:54,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-18 15:05:54,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362495541] [2024-11-18 15:05:54,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:54,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-18 15:05:54,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:54,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-18 15:05:54,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2024-11-18 15:05:54,967 INFO L87 Difference]: Start difference. First operand 276 states and 358 transitions. Second operand has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:56,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:56,406 INFO L93 Difference]: Finished difference Result 544 states and 733 transitions. [2024-11-18 15:05:56,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-18 15:05:56,406 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-18 15:05:56,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:56,407 INFO L225 Difference]: With dead ends: 544 [2024-11-18 15:05:56,407 INFO L226 Difference]: Without dead ends: 434 [2024-11-18 15:05:56,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=233, Invalid=1099, Unknown=0, NotChecked=0, Total=1332 [2024-11-18 15:05:56,408 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 764 mSDsluCounter, 2081 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 2257 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:56,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 2257 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-18 15:05:56,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-18 15:05:56,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 286. [2024-11-18 15:05:56,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 279 states have (on average 1.3369175627240144) internal successors, (373), 285 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:56,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 373 transitions. [2024-11-18 15:05:56,424 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 373 transitions. Word has length 67 [2024-11-18 15:05:56,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:56,424 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 373 transitions. [2024-11-18 15:05:56,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 373 transitions. [2024-11-18 15:05:56,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-18 15:05:56,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:56,424 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:05:56,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-18 15:05:56,425 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:56,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:56,425 INFO L85 PathProgramCache]: Analyzing trace with hash 455689729, now seen corresponding path program 1 times [2024-11-18 15:05:56,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:56,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549338878] [2024-11-18 15:05:56,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:56,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:57,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:57,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:57,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549338878] [2024-11-18 15:05:57,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549338878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:57,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:57,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-18 15:05:57,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902176414] [2024-11-18 15:05:57,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:57,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-18 15:05:57,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:57,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-18 15:05:57,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2024-11-18 15:05:57,151 INFO L87 Difference]: Start difference. First operand 286 states and 373 transitions. Second operand has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:58,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:58,423 INFO L93 Difference]: Finished difference Result 636 states and 852 transitions. [2024-11-18 15:05:58,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-18 15:05:58,423 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-18 15:05:58,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:58,425 INFO L225 Difference]: With dead ends: 636 [2024-11-18 15:05:58,425 INFO L226 Difference]: Without dead ends: 632 [2024-11-18 15:05:58,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=231, Invalid=825, Unknown=0, NotChecked=0, Total=1056 [2024-11-18 15:05:58,426 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1334 mSDsluCounter, 2140 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 2339 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:58,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 2339 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-18 15:05:58,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-11-18 15:05:58,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 292. [2024-11-18 15:05:58,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 285 states have (on average 1.3368421052631578) internal successors, (381), 291 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:58,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 381 transitions. [2024-11-18 15:05:58,431 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 381 transitions. Word has length 67 [2024-11-18 15:05:58,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:58,431 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 381 transitions. [2024-11-18 15:05:58,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:58,431 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 381 transitions. [2024-11-18 15:05:58,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-18 15:05:58,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:58,432 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:05:58,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-18 15:05:58,432 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:58,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:58,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1324827419, now seen corresponding path program 1 times [2024-11-18 15:05:58,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:58,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240589465] [2024-11-18 15:05:58,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:58,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:58,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:58,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:58,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240589465] [2024-11-18 15:05:58,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240589465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:58,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:58,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-18 15:05:58,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356152729] [2024-11-18 15:05:58,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:58,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-18 15:05:58,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:58,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-18 15:05:58,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:05:58,913 INFO L87 Difference]: Start difference. First operand 292 states and 381 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:59,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:05:59,281 INFO L93 Difference]: Finished difference Result 398 states and 539 transitions. [2024-11-18 15:05:59,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:05:59,281 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-18 15:05:59,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:05:59,282 INFO L225 Difference]: With dead ends: 398 [2024-11-18 15:05:59,282 INFO L226 Difference]: Without dead ends: 244 [2024-11-18 15:05:59,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-11-18 15:05:59,283 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 451 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:05:59,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 982 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:05:59,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-18 15:05:59,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2024-11-18 15:05:59,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 240 states have (on average 1.3375) internal successors, (321), 243 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:59,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 321 transitions. [2024-11-18 15:05:59,286 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 321 transitions. Word has length 67 [2024-11-18 15:05:59,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:05:59,286 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 321 transitions. [2024-11-18 15:05:59,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:05:59,287 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 321 transitions. [2024-11-18 15:05:59,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-18 15:05:59,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:05:59,287 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:05:59,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-18 15:05:59,287 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:05:59,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:05:59,288 INFO L85 PathProgramCache]: Analyzing trace with hash -922376210, now seen corresponding path program 1 times [2024-11-18 15:05:59,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:05:59,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951135599] [2024-11-18 15:05:59,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:05:59,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:05:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:05:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:05:59,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:05:59,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951135599] [2024-11-18 15:05:59,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951135599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:05:59,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:05:59,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-18 15:05:59,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331338717] [2024-11-18 15:05:59,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:05:59,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-18 15:05:59,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:05:59,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-18 15:05:59,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-18 15:05:59,623 INFO L87 Difference]: Start difference. First operand 244 states and 321 transitions. Second operand has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:00,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:00,143 INFO L93 Difference]: Finished difference Result 736 states and 1025 transitions. [2024-11-18 15:06:00,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-18 15:06:00,144 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-18 15:06:00,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:00,145 INFO L225 Difference]: With dead ends: 736 [2024-11-18 15:06:00,146 INFO L226 Difference]: Without dead ends: 624 [2024-11-18 15:06:00,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-11-18 15:06:00,147 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 932 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:00,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 1362 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 15:06:00,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2024-11-18 15:06:00,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 224. [2024-11-18 15:06:00,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 221 states have (on average 1.3167420814479638) internal successors, (291), 223 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:00,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 291 transitions. [2024-11-18 15:06:00,153 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 291 transitions. Word has length 68 [2024-11-18 15:06:00,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:00,153 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 291 transitions. [2024-11-18 15:06:00,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:00,153 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 291 transitions. [2024-11-18 15:06:00,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-18 15:06:00,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:00,154 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:06:00,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-18 15:06:00,154 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:00,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:00,155 INFO L85 PathProgramCache]: Analyzing trace with hash 823611388, now seen corresponding path program 1 times [2024-11-18 15:06:00,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:00,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087458043] [2024-11-18 15:06:00,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:00,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:00,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:00,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087458043] [2024-11-18 15:06:00,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087458043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:00,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:00,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:06:00,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964543159] [2024-11-18 15:06:00,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:00,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:06:00,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:00,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:06:00,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:06:00,338 INFO L87 Difference]: Start difference. First operand 224 states and 291 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:00,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:00,575 INFO L93 Difference]: Finished difference Result 373 states and 496 transitions. [2024-11-18 15:06:00,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-18 15:06:00,576 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-18 15:06:00,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:00,577 INFO L225 Difference]: With dead ends: 373 [2024-11-18 15:06:00,577 INFO L226 Difference]: Without dead ends: 366 [2024-11-18 15:06:00,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:06:00,578 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 1020 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:00,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 443 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:06:00,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-18 15:06:00,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 224. [2024-11-18 15:06:00,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 221 states have (on average 1.3122171945701357) internal successors, (290), 223 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:00,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 290 transitions. [2024-11-18 15:06:00,582 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 290 transitions. Word has length 68 [2024-11-18 15:06:00,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:00,582 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 290 transitions. [2024-11-18 15:06:00,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:00,582 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 290 transitions. [2024-11-18 15:06:00,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-18 15:06:00,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:00,583 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:06:00,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-18 15:06:00,583 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:00,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:00,583 INFO L85 PathProgramCache]: Analyzing trace with hash 520441226, now seen corresponding path program 1 times [2024-11-18 15:06:00,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:00,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252376263] [2024-11-18 15:06:00,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:00,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:00,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:00,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:00,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252376263] [2024-11-18 15:06:00,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252376263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:00,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:00,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:06:00,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890423347] [2024-11-18 15:06:00,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:00,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:06:00,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:00,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:06:00,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:06:00,716 INFO L87 Difference]: Start difference. First operand 224 states and 290 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:01,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:01,015 INFO L93 Difference]: Finished difference Result 526 states and 712 transitions. [2024-11-18 15:06:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:06:01,016 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-18 15:06:01,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:01,017 INFO L225 Difference]: With dead ends: 526 [2024-11-18 15:06:01,017 INFO L226 Difference]: Without dead ends: 390 [2024-11-18 15:06:01,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:06:01,018 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 370 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:01,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 726 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 15:06:01,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-18 15:06:01,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 224. [2024-11-18 15:06:01,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 221 states have (on average 1.3031674208144797) internal successors, (288), 223 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:01,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 288 transitions. [2024-11-18 15:06:01,024 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 288 transitions. Word has length 68 [2024-11-18 15:06:01,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:01,024 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 288 transitions. [2024-11-18 15:06:01,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:01,024 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 288 transitions. [2024-11-18 15:06:01,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-18 15:06:01,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:01,024 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:06:01,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-18 15:06:01,025 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:01,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:01,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1997555533, now seen corresponding path program 1 times [2024-11-18 15:06:01,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:01,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178214510] [2024-11-18 15:06:01,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:01,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:01,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:01,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:01,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178214510] [2024-11-18 15:06:01,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178214510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:01,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:01,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-18 15:06:01,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681315789] [2024-11-18 15:06:01,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:01,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-18 15:06:01,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:01,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-18 15:06:01,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-18 15:06:01,393 INFO L87 Difference]: Start difference. First operand 224 states and 288 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:01,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:01,921 INFO L93 Difference]: Finished difference Result 604 states and 829 transitions. [2024-11-18 15:06:01,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-18 15:06:01,922 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-18 15:06:01,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:01,926 INFO L225 Difference]: With dead ends: 604 [2024-11-18 15:06:01,926 INFO L226 Difference]: Without dead ends: 598 [2024-11-18 15:06:01,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-18 15:06:01,926 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 849 mSDsluCounter, 1693 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 1915 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:01,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [849 Valid, 1915 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 15:06:01,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-11-18 15:06:01,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 218. [2024-11-18 15:06:01,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 216 states have (on average 1.3009259259259258) internal successors, (281), 217 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:01,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 281 transitions. [2024-11-18 15:06:01,931 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 281 transitions. Word has length 70 [2024-11-18 15:06:01,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:01,931 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 281 transitions. [2024-11-18 15:06:01,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:01,931 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 281 transitions. [2024-11-18 15:06:01,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-18 15:06:01,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:01,932 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:06:01,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-18 15:06:01,932 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:01,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:01,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1662348756, now seen corresponding path program 1 times [2024-11-18 15:06:01,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:01,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938441363] [2024-11-18 15:06:01,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:01,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:02,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:02,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:02,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938441363] [2024-11-18 15:06:02,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938441363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:02,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:02,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-18 15:06:02,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958403869] [2024-11-18 15:06:02,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:02,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-18 15:06:02,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:02,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-18 15:06:02,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2024-11-18 15:06:02,768 INFO L87 Difference]: Start difference. First operand 218 states and 281 transitions. Second operand has 23 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 23 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:03,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:03,802 INFO L93 Difference]: Finished difference Result 236 states and 301 transitions. [2024-11-18 15:06:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-18 15:06:03,802 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 23 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-18 15:06:03,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:03,803 INFO L225 Difference]: With dead ends: 236 [2024-11-18 15:06:03,803 INFO L226 Difference]: Without dead ends: 228 [2024-11-18 15:06:03,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=306, Invalid=1416, Unknown=0, NotChecked=0, Total=1722 [2024-11-18 15:06:03,804 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 361 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 1578 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:03,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 1578 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-18 15:06:03,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-18 15:06:03,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 227. [2024-11-18 15:06:03,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 225 states have (on average 1.2977777777777777) internal successors, (292), 226 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:03,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 292 transitions. [2024-11-18 15:06:03,807 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 292 transitions. Word has length 70 [2024-11-18 15:06:03,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:03,807 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 292 transitions. [2024-11-18 15:06:03,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 23 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:03,808 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 292 transitions. [2024-11-18 15:06:03,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-18 15:06:03,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:03,808 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:06:03,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-18 15:06:03,808 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:03,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:03,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1776801356, now seen corresponding path program 1 times [2024-11-18 15:06:03,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:03,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490741658] [2024-11-18 15:06:03,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:03,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:04,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:04,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490741658] [2024-11-18 15:06:04,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490741658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:04,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:04,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-18 15:06:04,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777289760] [2024-11-18 15:06:04,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:04,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-18 15:06:04,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:04,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-18 15:06:04,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-18 15:06:04,133 INFO L87 Difference]: Start difference. First operand 227 states and 292 transitions. Second operand has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:04,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:04,504 INFO L93 Difference]: Finished difference Result 365 states and 488 transitions. [2024-11-18 15:06:04,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-18 15:06:04,505 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-18 15:06:04,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:04,506 INFO L225 Difference]: With dead ends: 365 [2024-11-18 15:06:04,506 INFO L226 Difference]: Without dead ends: 350 [2024-11-18 15:06:04,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-18 15:06:04,506 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 586 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:04,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 1119 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:06:04,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-18 15:06:04,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 206. [2024-11-18 15:06:04,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 205 states have (on average 1.302439024390244) internal successors, (267), 205 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 267 transitions. [2024-11-18 15:06:04,509 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 267 transitions. Word has length 71 [2024-11-18 15:06:04,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:04,510 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 267 transitions. [2024-11-18 15:06:04,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:04,510 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 267 transitions. [2024-11-18 15:06:04,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-18 15:06:04,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:04,511 INFO L215 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] [2024-11-18 15:06:04,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-18 15:06:04,511 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:04,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:04,511 INFO L85 PathProgramCache]: Analyzing trace with hash 161471129, now seen corresponding path program 1 times [2024-11-18 15:06:04,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:04,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029671971] [2024-11-18 15:06:04,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:04,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:04,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:04,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029671971] [2024-11-18 15:06:04,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029671971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:04,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:04,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:06:04,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377190253] [2024-11-18 15:06:04,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:04,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 15:06:04,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:04,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 15:06:04,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 15:06:04,587 INFO L87 Difference]: Start difference. First operand 206 states and 267 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:04,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:04,677 INFO L93 Difference]: Finished difference Result 1054 states and 1531 transitions. [2024-11-18 15:06:04,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-18 15:06:04,677 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-11-18 15:06:04,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:04,679 INFO L225 Difference]: With dead ends: 1054 [2024-11-18 15:06:04,680 INFO L226 Difference]: Without dead ends: 948 [2024-11-18 15:06:04,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-18 15:06:04,680 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 843 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:04,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [843 Valid, 1274 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:06:04,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2024-11-18 15:06:04,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 310. [2024-11-18 15:06:04,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.3592233009708738) internal successors, (420), 309 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:04,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 420 transitions. [2024-11-18 15:06:04,686 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 420 transitions. Word has length 93 [2024-11-18 15:06:04,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:04,687 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 420 transitions. [2024-11-18 15:06:04,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:04,687 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 420 transitions. [2024-11-18 15:06:04,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-18 15:06:04,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:04,688 INFO L215 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] [2024-11-18 15:06:04,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-18 15:06:04,688 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:04,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:04,688 INFO L85 PathProgramCache]: Analyzing trace with hash -880942767, now seen corresponding path program 1 times [2024-11-18 15:06:04,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:04,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689710950] [2024-11-18 15:06:04,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:04,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:04,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:04,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:04,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689710950] [2024-11-18 15:06:04,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689710950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:04,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:04,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:06:04,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076074205] [2024-11-18 15:06:04,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:04,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 15:06:04,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:04,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 15:06:04,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-18 15:06:04,769 INFO L87 Difference]: Start difference. First operand 310 states and 420 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2024-11-18 15:06:04,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:04,836 INFO L93 Difference]: Finished difference Result 1256 states and 1818 transitions. [2024-11-18 15:06:04,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 15:06:04,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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 [2024-11-18 15:06:04,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:04,839 INFO L225 Difference]: With dead ends: 1256 [2024-11-18 15:06:04,839 INFO L226 Difference]: Without dead ends: 1046 [2024-11-18 15:06:04,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:06:04,840 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 648 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:04,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 777 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:06:04,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2024-11-18 15:06:04,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 518. [2024-11-18 15:06:04,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 517 states have (on average 1.4081237911025144) internal successors, (728), 517 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:04,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 728 transitions. [2024-11-18 15:06:04,846 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 728 transitions. Word has length 95 [2024-11-18 15:06:04,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:04,847 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 728 transitions. [2024-11-18 15:06:04,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2024-11-18 15:06:04,847 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 728 transitions. [2024-11-18 15:06:04,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-18 15:06:04,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:04,848 INFO L215 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] [2024-11-18 15:06:04,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-18 15:06:04,848 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:04,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:04,848 INFO L85 PathProgramCache]: Analyzing trace with hash 284809815, now seen corresponding path program 1 times [2024-11-18 15:06:04,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:04,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699818810] [2024-11-18 15:06:04,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:04,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:04,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:04,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:04,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699818810] [2024-11-18 15:06:04,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699818810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:04,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:04,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:06:04,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329308669] [2024-11-18 15:06:04,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:04,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 15:06:04,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:04,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 15:06:04,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-18 15:06:04,928 INFO L87 Difference]: Start difference. First operand 518 states and 728 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2024-11-18 15:06:04,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:04,996 INFO L93 Difference]: Finished difference Result 1464 states and 2126 transitions. [2024-11-18 15:06:04,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 15:06:04,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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 [2024-11-18 15:06:04,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:04,999 INFO L225 Difference]: With dead ends: 1464 [2024-11-18 15:06:04,999 INFO L226 Difference]: Without dead ends: 1254 [2024-11-18 15:06:05,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:06:05,000 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 648 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:05,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 719 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:06:05,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2024-11-18 15:06:05,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 830. [2024-11-18 15:06:05,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 829 states have (on average 1.4342581423401688) internal successors, (1189), 829 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:05,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1189 transitions. [2024-11-18 15:06:05,010 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1189 transitions. Word has length 95 [2024-11-18 15:06:05,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:05,010 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1189 transitions. [2024-11-18 15:06:05,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2024-11-18 15:06:05,010 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1189 transitions. [2024-11-18 15:06:05,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-18 15:06:05,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:05,011 INFO L215 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] [2024-11-18 15:06:05,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-18 15:06:05,011 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:05,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:05,012 INFO L85 PathProgramCache]: Analyzing trace with hash -736748582, now seen corresponding path program 1 times [2024-11-18 15:06:05,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:05,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030462088] [2024-11-18 15:06:05,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:05,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:05,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:05,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:05,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030462088] [2024-11-18 15:06:05,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030462088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:05,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:05,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:06:05,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669160369] [2024-11-18 15:06:05,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:05,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 15:06:05,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:05,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 15:06:05,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-18 15:06:05,138 INFO L87 Difference]: Start difference. First operand 830 states and 1189 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2024-11-18 15:06:05,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:05,221 INFO L93 Difference]: Finished difference Result 1562 states and 2270 transitions. [2024-11-18 15:06:05,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 15:06:05,222 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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 [2024-11-18 15:06:05,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:05,223 INFO L225 Difference]: With dead ends: 1562 [2024-11-18 15:06:05,223 INFO L226 Difference]: Without dead ends: 832 [2024-11-18 15:06:05,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-18 15:06:05,224 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 75 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:05,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 456 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:06:05,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-11-18 15:06:05,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 830. [2024-11-18 15:06:05,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 829 states have (on average 1.4246079613992761) internal successors, (1181), 829 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:05,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1181 transitions. [2024-11-18 15:06:05,233 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1181 transitions. Word has length 95 [2024-11-18 15:06:05,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:05,233 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1181 transitions. [2024-11-18 15:06:05,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2024-11-18 15:06:05,234 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1181 transitions. [2024-11-18 15:06:05,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-18 15:06:05,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:05,235 INFO L215 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] [2024-11-18 15:06:05,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-18 15:06:05,235 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:05,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:05,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1506041575, now seen corresponding path program 1 times [2024-11-18 15:06:05,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:05,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543497623] [2024-11-18 15:06:05,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:05,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:05,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:05,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:05,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543497623] [2024-11-18 15:06:05,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543497623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:05,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:05,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:06:05,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912336368] [2024-11-18 15:06:05,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:05,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:06:05,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:05,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:06:05,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:06:05,272 INFO L87 Difference]: Start difference. First operand 830 states and 1181 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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) [2024-11-18 15:06:05,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:05,291 INFO L93 Difference]: Finished difference Result 2200 states and 3175 transitions. [2024-11-18 15:06:05,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:06:05,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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 [2024-11-18 15:06:05,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:05,294 INFO L225 Difference]: With dead ends: 2200 [2024-11-18 15:06:05,294 INFO L226 Difference]: Without dead ends: 1470 [2024-11-18 15:06:05,295 INFO L431 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 [2024-11-18 15:06:05,296 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 67 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:05,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 368 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:06:05,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2024-11-18 15:06:05,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 1468. [2024-11-18 15:06:05,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 1467 states have (on average 1.4137695978186775) internal successors, (2074), 1467 states have internal predecessors, (2074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:05,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 2074 transitions. [2024-11-18 15:06:05,317 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 2074 transitions. Word has length 95 [2024-11-18 15:06:05,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:05,317 INFO L471 AbstractCegarLoop]: Abstraction has 1468 states and 2074 transitions. [2024-11-18 15:06:05,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 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) [2024-11-18 15:06:05,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 2074 transitions. [2024-11-18 15:06:05,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-18 15:06:05,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:05,318 INFO L215 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] [2024-11-18 15:06:05,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-18 15:06:05,318 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:05,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:05,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1675387619, now seen corresponding path program 1 times [2024-11-18 15:06:05,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:05,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249658272] [2024-11-18 15:06:05,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:05,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:05,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:05,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:05,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249658272] [2024-11-18 15:06:05,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249658272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:05,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:05,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:06:05,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611324616] [2024-11-18 15:06:05,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:05,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 15:06:05,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:05,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 15:06:05,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-18 15:06:05,401 INFO L87 Difference]: Start difference. First operand 1468 states and 2074 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2024-11-18 15:06:05,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:05,481 INFO L93 Difference]: Finished difference Result 3038 states and 4335 transitions. [2024-11-18 15:06:05,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 15:06:05,481 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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 [2024-11-18 15:06:05,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:05,488 INFO L225 Difference]: With dead ends: 3038 [2024-11-18 15:06:05,488 INFO L226 Difference]: Without dead ends: 2646 [2024-11-18 15:06:05,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:06:05,490 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 614 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:05,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 767 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:06:05,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2646 states. [2024-11-18 15:06:05,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2646 to 1858. [2024-11-18 15:06:05,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1858 states, 1857 states have (on average 1.4184168012924072) internal successors, (2634), 1857 states have internal predecessors, (2634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:05,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 2634 transitions. [2024-11-18 15:06:05,510 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 2634 transitions. Word has length 95 [2024-11-18 15:06:05,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:05,510 INFO L471 AbstractCegarLoop]: Abstraction has 1858 states and 2634 transitions. [2024-11-18 15:06:05,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2024-11-18 15:06:05,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2634 transitions. [2024-11-18 15:06:05,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-18 15:06:05,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:05,511 INFO L215 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] [2024-11-18 15:06:05,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-18 15:06:05,512 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:05,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:05,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1554031907, now seen corresponding path program 1 times [2024-11-18 15:06:05,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:05,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888291065] [2024-11-18 15:06:05,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:05,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:05,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:05,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:05,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888291065] [2024-11-18 15:06:05,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888291065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:05,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:05,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:06:05,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452291625] [2024-11-18 15:06:05,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:05,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 15:06:05,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:05,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 15:06:05,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-18 15:06:05,592 INFO L87 Difference]: Start difference. First operand 1858 states and 2634 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2024-11-18 15:06:05,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:05,674 INFO L93 Difference]: Finished difference Result 3428 states and 4895 transitions. [2024-11-18 15:06:05,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 15:06:05,674 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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 [2024-11-18 15:06:05,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:05,680 INFO L225 Difference]: With dead ends: 3428 [2024-11-18 15:06:05,681 INFO L226 Difference]: Without dead ends: 3036 [2024-11-18 15:06:05,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:06:05,683 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 583 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:05,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 816 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 15:06:05,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3036 states. [2024-11-18 15:06:05,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3036 to 2248. [2024-11-18 15:06:05,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2248 states, 2247 states have (on average 1.4214508233199823) internal successors, (3194), 2247 states have internal predecessors, (3194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:05,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 2248 states and 3194 transitions. [2024-11-18 15:06:05,711 INFO L78 Accepts]: Start accepts. Automaton has 2248 states and 3194 transitions. Word has length 95 [2024-11-18 15:06:05,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:05,711 INFO L471 AbstractCegarLoop]: Abstraction has 2248 states and 3194 transitions. [2024-11-18 15:06:05,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2024-11-18 15:06:05,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2248 states and 3194 transitions. [2024-11-18 15:06:05,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-18 15:06:05,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:05,713 INFO L215 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] [2024-11-18 15:06:05,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-18 15:06:05,713 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:05,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:05,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1423537109, now seen corresponding path program 1 times [2024-11-18 15:06:05,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:05,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367148742] [2024-11-18 15:06:05,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:05,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:05,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:05,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367148742] [2024-11-18 15:06:05,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367148742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:05,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:05,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:06:05,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604989361] [2024-11-18 15:06:05,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:05,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:06:05,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:05,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:06:05,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:06:05,784 INFO L87 Difference]: Start difference. First operand 2248 states and 3194 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) [2024-11-18 15:06:05,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:05,805 INFO L93 Difference]: Finished difference Result 5708 states and 8130 transitions. [2024-11-18 15:06:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:06:05,805 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 [2024-11-18 15:06:05,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:05,815 INFO L225 Difference]: With dead ends: 5708 [2024-11-18 15:06:05,816 INFO L226 Difference]: Without dead ends: 3560 [2024-11-18 15:06:05,818 INFO L431 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 [2024-11-18 15:06:05,818 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 78 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:05,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 343 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:06:05,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3560 states. [2024-11-18 15:06:05,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3560 to 3382. [2024-11-18 15:06:05,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3382 states, 3381 states have (on average 1.4072759538598048) internal successors, (4758), 3381 states have internal predecessors, (4758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:05,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 3382 states and 4758 transitions. [2024-11-18 15:06:05,862 INFO L78 Accepts]: Start accepts. Automaton has 3382 states and 4758 transitions. Word has length 96 [2024-11-18 15:06:05,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:05,863 INFO L471 AbstractCegarLoop]: Abstraction has 3382 states and 4758 transitions. [2024-11-18 15:06:05,863 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) [2024-11-18 15:06:05,863 INFO L276 IsEmpty]: Start isEmpty. Operand 3382 states and 4758 transitions. [2024-11-18 15:06:05,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-18 15:06:05,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:05,864 INFO L215 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] [2024-11-18 15:06:05,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-18 15:06:05,865 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:05,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:05,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1571382276, now seen corresponding path program 1 times [2024-11-18 15:06:05,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:05,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861974744] [2024-11-18 15:06:05,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:05,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:05,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:05,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:05,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861974744] [2024-11-18 15:06:05,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861974744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:05,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:05,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:06:05,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389032342] [2024-11-18 15:06:05,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:05,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:06:05,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:05,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:06:05,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:06:05,936 INFO L87 Difference]: Start difference. First operand 3382 states and 4758 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) [2024-11-18 15:06:05,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:05,967 INFO L93 Difference]: Finished difference Result 9682 states and 13594 transitions. [2024-11-18 15:06:05,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:06:05,967 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 [2024-11-18 15:06:05,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:06,008 INFO L225 Difference]: With dead ends: 9682 [2024-11-18 15:06:06,008 INFO L226 Difference]: Without dead ends: 6400 [2024-11-18 15:06:06,010 INFO L431 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 [2024-11-18 15:06:06,010 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 71 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:06,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 343 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:06:06,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6400 states. [2024-11-18 15:06:06,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6400 to 6134. [2024-11-18 15:06:06,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6134 states, 6133 states have (on average 1.393771400619599) internal successors, (8548), 6133 states have internal predecessors, (8548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:06,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6134 states to 6134 states and 8548 transitions. [2024-11-18 15:06:06,059 INFO L78 Accepts]: Start accepts. Automaton has 6134 states and 8548 transitions. Word has length 97 [2024-11-18 15:06:06,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:06,060 INFO L471 AbstractCegarLoop]: Abstraction has 6134 states and 8548 transitions. [2024-11-18 15:06:06,060 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) [2024-11-18 15:06:06,060 INFO L276 IsEmpty]: Start isEmpty. Operand 6134 states and 8548 transitions. [2024-11-18 15:06:06,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-18 15:06:06,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:06,061 INFO L215 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] [2024-11-18 15:06:06,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-18 15:06:06,061 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:06,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:06,062 INFO L85 PathProgramCache]: Analyzing trace with hash 584515800, now seen corresponding path program 1 times [2024-11-18 15:06:06,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:06,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763399510] [2024-11-18 15:06:06,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:06,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:06,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:06,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:06,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763399510] [2024-11-18 15:06:06,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763399510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:06,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:06,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:06:06,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465959367] [2024-11-18 15:06:06,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:06,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:06:06,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:06,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:06:06,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:06:06,128 INFO L87 Difference]: Start difference. First operand 6134 states and 8548 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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) [2024-11-18 15:06:06,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:06,161 INFO L93 Difference]: Finished difference Result 17674 states and 24502 transitions. [2024-11-18 15:06:06,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:06:06,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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 [2024-11-18 15:06:06,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:06,175 INFO L225 Difference]: With dead ends: 17674 [2024-11-18 15:06:06,175 INFO L226 Difference]: Without dead ends: 11640 [2024-11-18 15:06:06,181 INFO L431 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 [2024-11-18 15:06:06,182 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 64 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:06,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 342 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:06:06,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11640 states. [2024-11-18 15:06:06,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11640 to 11110. [2024-11-18 15:06:06,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11110 states, 11109 states have (on average 1.3745611666216582) internal successors, (15270), 11109 states have internal predecessors, (15270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:06,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11110 states to 11110 states and 15270 transitions. [2024-11-18 15:06:06,277 INFO L78 Accepts]: Start accepts. Automaton has 11110 states and 15270 transitions. Word has length 98 [2024-11-18 15:06:06,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:06,277 INFO L471 AbstractCegarLoop]: Abstraction has 11110 states and 15270 transitions. [2024-11-18 15:06:06,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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) [2024-11-18 15:06:06,277 INFO L276 IsEmpty]: Start isEmpty. Operand 11110 states and 15270 transitions. [2024-11-18 15:06:06,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-18 15:06:06,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:06,278 INFO L215 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] [2024-11-18 15:06:06,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-18 15:06:06,278 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:06,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:06,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1344323197, now seen corresponding path program 1 times [2024-11-18 15:06:06,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:06,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940033738] [2024-11-18 15:06:06,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:06,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:06,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:06,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:06,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940033738] [2024-11-18 15:06:06,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940033738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:06,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:06,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:06:06,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736456298] [2024-11-18 15:06:06,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:06,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:06:06,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:06,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:06:06,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:06:06,351 INFO L87 Difference]: Start difference. First operand 11110 states and 15270 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:06,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:06,405 INFO L93 Difference]: Finished difference Result 32074 states and 43744 transitions. [2024-11-18 15:06:06,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:06:06,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-11-18 15:06:06,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:06,432 INFO L225 Difference]: With dead ends: 32074 [2024-11-18 15:06:06,432 INFO L226 Difference]: Without dead ends: 21064 [2024-11-18 15:06:06,445 INFO L431 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 [2024-11-18 15:06:06,445 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 54 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:06,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 340 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:06:06,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21064 states. [2024-11-18 15:06:06,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21064 to 20006. [2024-11-18 15:06:06,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20006 states, 20005 states have (on average 1.3495626093476631) internal successors, (26998), 20005 states have internal predecessors, (26998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:06,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20006 states to 20006 states and 26998 transitions. [2024-11-18 15:06:06,683 INFO L78 Accepts]: Start accepts. Automaton has 20006 states and 26998 transitions. Word has length 99 [2024-11-18 15:06:06,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:06,683 INFO L471 AbstractCegarLoop]: Abstraction has 20006 states and 26998 transitions. [2024-11-18 15:06:06,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:06,683 INFO L276 IsEmpty]: Start isEmpty. Operand 20006 states and 26998 transitions. [2024-11-18 15:06:06,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-18 15:06:06,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:06,684 INFO L215 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] [2024-11-18 15:06:06,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-18 15:06:06,685 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:06,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:06,685 INFO L85 PathProgramCache]: Analyzing trace with hash -445596435, now seen corresponding path program 1 times [2024-11-18 15:06:06,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:06,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127352848] [2024-11-18 15:06:06,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:06,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:06,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:06,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:06,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127352848] [2024-11-18 15:06:06,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127352848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:06,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:06,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 15:06:06,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351848138] [2024-11-18 15:06:06,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:06,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 15:06:06,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:06,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 15:06:06,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 15:06:06,873 INFO L87 Difference]: Start difference. First operand 20006 states and 26998 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:06,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:06,924 INFO L93 Difference]: Finished difference Result 20488 states and 27639 transitions. [2024-11-18 15:06:06,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 15:06:06,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-18 15:06:06,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:06,947 INFO L225 Difference]: With dead ends: 20488 [2024-11-18 15:06:06,947 INFO L226 Difference]: Without dead ends: 20486 [2024-11-18 15:06:06,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 15:06:06,952 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:06,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 763 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:06:06,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20486 states. [2024-11-18 15:06:07,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20486 to 20486. [2024-11-18 15:06:07,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20486 states, 20485 states have (on average 1.3319990236758603) internal successors, (27286), 20485 states have internal predecessors, (27286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:07,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20486 states to 20486 states and 27286 transitions. [2024-11-18 15:06:07,127 INFO L78 Accepts]: Start accepts. Automaton has 20486 states and 27286 transitions. Word has length 100 [2024-11-18 15:06:07,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:07,127 INFO L471 AbstractCegarLoop]: Abstraction has 20486 states and 27286 transitions. [2024-11-18 15:06:07,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:07,128 INFO L276 IsEmpty]: Start isEmpty. Operand 20486 states and 27286 transitions. [2024-11-18 15:06:07,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-18 15:06:07,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:07,128 INFO L215 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] [2024-11-18 15:06:07,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-18 15:06:07,128 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:07,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:07,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1981290545, now seen corresponding path program 1 times [2024-11-18 15:06:07,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:07,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491777487] [2024-11-18 15:06:07,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:07,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:07,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:07,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:07,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491777487] [2024-11-18 15:06:07,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491777487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:07,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:07,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 15:06:07,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780714871] [2024-11-18 15:06:07,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:07,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 15:06:07,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:07,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 15:06:07,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 15:06:07,172 INFO L87 Difference]: Start difference. First operand 20486 states and 27286 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:07,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:07,243 INFO L93 Difference]: Finished difference Result 41514 states and 55328 transitions. [2024-11-18 15:06:07,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 15:06:07,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2024-11-18 15:06:07,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:07,272 INFO L225 Difference]: With dead ends: 41514 [2024-11-18 15:06:07,272 INFO L226 Difference]: Without dead ends: 21128 [2024-11-18 15:06:07,289 INFO L431 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 [2024-11-18 15:06:07,290 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 87 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:07,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 282 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 15:06:07,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21128 states. [2024-11-18 15:06:07,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21128 to 21126. [2024-11-18 15:06:07,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21126 states, 21125 states have (on average 1.3151242603550295) internal successors, (27782), 21125 states have internal predecessors, (27782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:07,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21126 states to 21126 states and 27782 transitions. [2024-11-18 15:06:07,560 INFO L78 Accepts]: Start accepts. Automaton has 21126 states and 27782 transitions. Word has length 100 [2024-11-18 15:06:07,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:07,560 INFO L471 AbstractCegarLoop]: Abstraction has 21126 states and 27782 transitions. [2024-11-18 15:06:07,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:07,561 INFO L276 IsEmpty]: Start isEmpty. Operand 21126 states and 27782 transitions. [2024-11-18 15:06:07,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-18 15:06:07,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:07,564 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:06:07,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-18 15:06:07,564 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:07,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:07,565 INFO L85 PathProgramCache]: Analyzing trace with hash 642240657, now seen corresponding path program 1 times [2024-11-18 15:06:07,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:07,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651637451] [2024-11-18 15:06:07,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:07,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:07,937 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:07,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:07,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651637451] [2024-11-18 15:06:07,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651637451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 15:06:07,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379694776] [2024-11-18 15:06:07,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:07,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 15:06:07,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 15:06:07,940 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 15:06:07,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 15:06:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:08,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-18 15:06:08,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 15:06:09,150 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:09,150 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 15:06:10,701 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:10,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379694776] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 15:06:10,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 15:06:10,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 27 [2024-11-18 15:06:10,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404792694] [2024-11-18 15:06:10,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 15:06:10,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-18 15:06:10,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:10,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-18 15:06:10,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=658, Unknown=0, NotChecked=0, Total=756 [2024-11-18 15:06:10,704 INFO L87 Difference]: Start difference. First operand 21126 states and 27782 transitions. Second operand has 28 states, 28 states have (on average 10.75) internal successors, (301), 27 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:15,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:15,178 INFO L93 Difference]: Finished difference Result 198653 states and 260996 transitions. [2024-11-18 15:06:15,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-11-18 15:06:15,178 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 10.75) internal successors, (301), 27 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2024-11-18 15:06:15,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:15,488 INFO L225 Difference]: With dead ends: 198653 [2024-11-18 15:06:15,488 INFO L226 Difference]: Without dead ends: 177627 [2024-11-18 15:06:15,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7105 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=3035, Invalid=18135, Unknown=0, NotChecked=0, Total=21170 [2024-11-18 15:06:15,560 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 3656 mSDsluCounter, 2486 mSDsCounter, 0 mSdLazyCounter, 2535 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3656 SdHoareTripleChecker+Valid, 2658 SdHoareTripleChecker+Invalid, 2573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:15,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3656 Valid, 2658 Invalid, 2573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2535 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-18 15:06:15,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177627 states. [2024-11-18 15:06:17,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177627 to 77927. [2024-11-18 15:06:17,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77927 states, 77926 states have (on average 1.3032749018299412) internal successors, (101559), 77926 states have internal predecessors, (101559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:17,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77927 states to 77927 states and 101559 transitions. [2024-11-18 15:06:17,171 INFO L78 Accepts]: Start accepts. Automaton has 77927 states and 101559 transitions. Word has length 127 [2024-11-18 15:06:17,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:17,171 INFO L471 AbstractCegarLoop]: Abstraction has 77927 states and 101559 transitions. [2024-11-18 15:06:17,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 10.75) internal successors, (301), 27 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:17,172 INFO L276 IsEmpty]: Start isEmpty. Operand 77927 states and 101559 transitions. [2024-11-18 15:06:17,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-18 15:06:17,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:17,179 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:06:17,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-18 15:06:17,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-18 15:06:17,380 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:17,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:17,381 INFO L85 PathProgramCache]: Analyzing trace with hash 340943369, now seen corresponding path program 1 times [2024-11-18 15:06:17,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:17,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286218417] [2024-11-18 15:06:17,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:17,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:18,075 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:18,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:18,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286218417] [2024-11-18 15:06:18,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286218417] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 15:06:18,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168108297] [2024-11-18 15:06:18,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:18,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 15:06:18,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 15:06:18,077 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 15:06:18,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-18 15:06:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:18,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-18 15:06:18,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 15:06:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:18,941 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 15:06:19,642 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:19,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168108297] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 15:06:19,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 15:06:19,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 27 [2024-11-18 15:06:19,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388572305] [2024-11-18 15:06:19,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 15:06:19,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-18 15:06:19,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:19,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-18 15:06:19,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2024-11-18 15:06:19,645 INFO L87 Difference]: Start difference. First operand 77927 states and 101559 transitions. Second operand has 27 states, 27 states have (on average 12.814814814814815) internal successors, (346), 27 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:28,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:28,214 INFO L93 Difference]: Finished difference Result 457314 states and 596947 transitions. [2024-11-18 15:06:28,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-11-18 15:06:28,214 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 12.814814814814815) internal successors, (346), 27 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2024-11-18 15:06:28,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:29,009 INFO L225 Difference]: With dead ends: 457314 [2024-11-18 15:06:29,009 INFO L226 Difference]: Without dead ends: 379494 [2024-11-18 15:06:29,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6745 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=3079, Invalid=17801, Unknown=0, NotChecked=0, Total=20880 [2024-11-18 15:06:29,148 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 3518 mSDsluCounter, 2533 mSDsCounter, 0 mSdLazyCounter, 3450 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3518 SdHoareTripleChecker+Valid, 2709 SdHoareTripleChecker+Invalid, 3531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 3450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:29,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3518 Valid, 2709 Invalid, 3531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 3450 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-18 15:06:29,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379494 states. [2024-11-18 15:06:32,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379494 to 243366. [2024-11-18 15:06:32,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243366 states, 243365 states have (on average 1.3009430279621146) internal successors, (316604), 243365 states have internal predecessors, (316604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:33,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243366 states to 243366 states and 316604 transitions. [2024-11-18 15:06:33,217 INFO L78 Accepts]: Start accepts. Automaton has 243366 states and 316604 transitions. Word has length 128 [2024-11-18 15:06:33,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:33,217 INFO L471 AbstractCegarLoop]: Abstraction has 243366 states and 316604 transitions. [2024-11-18 15:06:33,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 12.814814814814815) internal successors, (346), 27 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:33,218 INFO L276 IsEmpty]: Start isEmpty. Operand 243366 states and 316604 transitions. [2024-11-18 15:06:33,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-18 15:06:33,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:33,270 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:06:33,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-18 15:06:33,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-18 15:06:33,471 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:33,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:33,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1646171077, now seen corresponding path program 1 times [2024-11-18 15:06:33,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:33,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498534497] [2024-11-18 15:06:33,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:33,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:34,151 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-18 15:06:34,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:34,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498534497] [2024-11-18 15:06:34,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498534497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 15:06:34,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 15:06:34,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 15:06:34,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897076756] [2024-11-18 15:06:34,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 15:06:34,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-18 15:06:34,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:34,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-18 15:06:34,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-18 15:06:34,158 INFO L87 Difference]: Start difference. First operand 243366 states and 316604 transitions. Second operand has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:36,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:36,709 INFO L93 Difference]: Finished difference Result 735862 states and 955554 transitions. [2024-11-18 15:06:36,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-18 15:06:36,709 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 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 129 [2024-11-18 15:06:36,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:37,775 INFO L225 Difference]: With dead ends: 735862 [2024-11-18 15:06:37,775 INFO L226 Difference]: Without dead ends: 492638 [2024-11-18 15:06:37,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-18 15:06:37,929 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 480 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:37,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 716 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-18 15:06:38,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492638 states. [2024-11-18 15:06:41,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492638 to 243366. [2024-11-18 15:06:41,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243366 states, 243365 states have (on average 1.30092659174491) internal successors, (316600), 243365 states have internal predecessors, (316600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243366 states to 243366 states and 316600 transitions. [2024-11-18 15:06:42,431 INFO L78 Accepts]: Start accepts. Automaton has 243366 states and 316600 transitions. Word has length 129 [2024-11-18 15:06:42,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 15:06:42,431 INFO L471 AbstractCegarLoop]: Abstraction has 243366 states and 316600 transitions. [2024-11-18 15:06:42,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.333333333333334) internal successors, (120), 8 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 243366 states and 316600 transitions. [2024-11-18 15:06:42,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-18 15:06:42,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 15:06:42,461 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 15:06:42,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-18 15:06:42,462 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-18 15:06:42,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 15:06:42,462 INFO L85 PathProgramCache]: Analyzing trace with hash -737820162, now seen corresponding path program 1 times [2024-11-18 15:06:42,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 15:06:42,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39516881] [2024-11-18 15:06:42,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:42,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 15:06:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:43,351 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:43,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 15:06:43,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39516881] [2024-11-18 15:06:43,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39516881] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 15:06:43,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586579124] [2024-11-18 15:06:43,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 15:06:43,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 15:06:43,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 15:06:43,354 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-18 15:06:43,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-18 15:06:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 15:06:43,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-18 15:06:43,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 15:06:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:44,237 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-18 15:06:45,737 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 15:06:45,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586579124] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-18 15:06:45,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-18 15:06:45,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 30 [2024-11-18 15:06:45,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800063257] [2024-11-18 15:06:45,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-18 15:06:45,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-18 15:06:45,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 15:06:45,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-18 15:06:45,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=831, Unknown=0, NotChecked=0, Total=930 [2024-11-18 15:06:45,740 INFO L87 Difference]: Start difference. First operand 243366 states and 316600 transitions. Second operand has 31 states, 31 states have (on average 11.709677419354838) internal successors, (363), 30 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 15:06:53,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 15:06:53,960 INFO L93 Difference]: Finished difference Result 1363956 states and 1780477 transitions. [2024-11-18 15:06:53,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-11-18 15:06:53,961 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 11.709677419354838) internal successors, (363), 30 states have internal predecessors, (363), 0 states have call successors, (0), 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 130 [2024-11-18 15:06:53,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 15:06:56,127 INFO L225 Difference]: With dead ends: 1363956 [2024-11-18 15:06:56,128 INFO L226 Difference]: Without dead ends: 1120756 [2024-11-18 15:06:57,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4549 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=2700, Invalid=13556, Unknown=0, NotChecked=0, Total=16256 [2024-11-18 15:06:57,283 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 5265 mSDsluCounter, 1855 mSDsCounter, 0 mSdLazyCounter, 2648 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5265 SdHoareTripleChecker+Valid, 1980 SdHoareTripleChecker+Invalid, 2810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 2648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-18 15:06:57,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5265 Valid, 1980 Invalid, 2810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 2648 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-18 15:06:57,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120756 states.