./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 3289d67d 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.fs.icfgbuilder-eval-3289d67-m [2024-11-16 08:39:19,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 08:39:19,240 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 08:39:19,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 08:39:19,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 08:39:19,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 08:39:19,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 08:39:19,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 08:39:19,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 08:39:19,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 08:39:19,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 08:39:19,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 08:39:19,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 08:39:19,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 08:39:19,281 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 08:39:19,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 08:39:19,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 08:39:19,282 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 08:39:19,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 08:39:19,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 08:39:19,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 08:39:19,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 08:39:19,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 08:39:19,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 08:39:19,287 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 08:39:19,288 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 08:39:19,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 08:39:19,288 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 08:39:19,288 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 08:39:19,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 08:39:19,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 08:39:19,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 08:39:19,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:39:19,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 08:39:19,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 08:39:19,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 08:39:19,291 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 08:39:19,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 08:39:19,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 08:39:19,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 08:39:19,291 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 08:39:19,293 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 08:39:19,293 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7aa3cc4b1f15d564db90712e4f440d0f111d49f542d9eda58173576bb757792 [2024-11-16 08:39:19,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 08:39:19,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 08:39:19,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 08:39:19,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 08:39:19,557 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 08:39:19,558 INFO L431 ainManager$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 [2024-11-16 08:39:20,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 08:39:21,329 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 08:39:21,329 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 [2024-11-16 08:39:21,354 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85fb06432/d02ce3772934473dadc2a3da018e60af/FLAGdd8032ccb [2024-11-16 08:39:21,608 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85fb06432/d02ce3772934473dadc2a3da018e60af [2024-11-16 08:39:21,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 08:39:21,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 08:39:21,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 08:39:21,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 08:39:21,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 08:39:21,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:39:21" (1/1) ... [2024-11-16 08:39:21,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4945afca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:21, skipping insertion in model container [2024-11-16 08:39:21,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:39:21" (1/1) ... [2024-11-16 08:39:21,674 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 08:39:21,949 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] [2024-11-16 08:39:21,973 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] [2024-11-16 08:39:21,988 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] [2024-11-16 08:39:21,996 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] [2024-11-16 08:39:22,011 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] [2024-11-16 08:39:22,017 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] [2024-11-16 08:39:22,023 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] [2024-11-16 08:39:22,039 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] [2024-11-16 08:39:22,047 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] [2024-11-16 08:39:22,058 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] [2024-11-16 08:39:22,079 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] [2024-11-16 08:39:22,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:39:22,237 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 08:39:22,291 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] [2024-11-16 08:39:22,306 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] [2024-11-16 08:39:22,311 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] [2024-11-16 08:39:22,314 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] [2024-11-16 08:39:22,320 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] [2024-11-16 08:39:22,323 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] [2024-11-16 08:39:22,327 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] [2024-11-16 08:39:22,365 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] [2024-11-16 08:39:22,368 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] [2024-11-16 08:39:22,372 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] [2024-11-16 08:39:22,400 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] [2024-11-16 08:39:22,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:39:22,469 INFO L204 MainTranslator]: Completed translation [2024-11-16 08:39:22,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:22 WrapperNode [2024-11-16 08:39:22,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 08:39:22,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 08:39:22,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 08:39:22,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 08:39:22,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:22" (1/1) ... [2024-11-16 08:39:22,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:22" (1/1) ... [2024-11-16 08:39:22,559 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2022 [2024-11-16 08:39:22,559 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 08:39:22,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 08:39:22,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 08:39:22,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 08:39:22,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:22" (1/1) ... [2024-11-16 08:39:22,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:22" (1/1) ... [2024-11-16 08:39:22,586 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:22" (1/1) ... [2024-11-16 08:39:22,632 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]. [2024-11-16 08:39:22,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:22" (1/1) ... [2024-11-16 08:39:22,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:22" (1/1) ... [2024-11-16 08:39:22,666 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:22" (1/1) ... [2024-11-16 08:39:22,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:22" (1/1) ... [2024-11-16 08:39:22,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:22" (1/1) ... [2024-11-16 08:39:22,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:22" (1/1) ... [2024-11-16 08:39:22,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 08:39:22,698 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 08:39:22,698 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 08:39:22,698 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 08:39:22,699 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:22" (1/1) ... [2024-11-16 08:39:22,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:39:22,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:39:22,736 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) [2024-11-16 08:39:22,740 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 [2024-11-16 08:39:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 08:39:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 08:39:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 08:39:22,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 08:39:22,944 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 08:39:22,946 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 08:39:24,159 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L927: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~5#1; [2024-11-16 08:39:24,160 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1886: havoc main_~main____CPAchecker_TMP_0~3#1;havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~17#1; [2024-11-16 08:39:24,160 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2316: havoc main_~main____CPAchecker_TMP_0~8#1;havoc main_~__tmp_19~0#1, main_~assert__arg~18#1;havoc main_~check__tmp~22#1; [2024-11-16 08:39:24,161 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1094: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~7#1; [2024-11-16 08:39:24,161 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2812: havoc main_~node4____CPAchecker_TMP_0~7#1;havoc main_~node4__m4~15#1; [2024-11-16 08:39:24,161 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2746: havoc main_~main____CPAchecker_TMP_0~13#1;havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~27#1; [2024-11-16 08:39:24,161 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L434: havoc main_~node3__m3~2#1; [2024-11-16 08:39:24,161 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1293: havoc main_~node3__m3~4#1; [2024-11-16 08:39:24,162 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2516: havoc main_~main____CPAchecker_TMP_0~10#1;havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~24#1; [2024-11-16 08:39:24,162 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L568: havoc main_~node4____CPAchecker_TMP_0~1#1; [2024-11-16 08:39:24,162 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L403: havoc main_~node1__m1~2#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2024-11-16 08:39:24,162 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2386: havoc main_~main____CPAchecker_TMP_0~9#1;havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~23#1; [2024-11-16 08:39:24,162 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L504: havoc main_~main____CPAchecker_TMP_0~2#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2024-11-16 08:39:24,162 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2156: havoc main_~main____CPAchecker_TMP_0~6#1;havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~20#1; [2024-11-16 08:39:24,162 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2586: havoc main_~main____CPAchecker_TMP_0~11#1;havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~25#1; [2024-11-16 08:39:24,162 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3016: havoc main_~main____CPAchecker_TMP_0~16#1;havoc main_~__tmp_27~0#1, main_~assert__arg~26#1;havoc main_~check__tmp~30#1; [2024-11-16 08:39:24,163 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L836: havoc main_~node4__m4~3#1; [2024-11-16 08:39:24,163 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L704: havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-16 08:39:24,163 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2455: havoc main_~node3____CPAchecker_TMP_0~3#1;havoc main_~node3__m3~7#1; [2024-11-16 08:39:24,163 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1399: havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~11#1; [2024-11-16 08:39:24,163 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1003: havoc main_~node4__m4~4#1; [2024-11-16 08:39:24,163 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2226: havoc main_~main____CPAchecker_TMP_0~7#1;havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~21#1; [2024-11-16 08:39:24,163 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1202: havoc main_~check__tmp~9#1; [2024-11-16 08:39:24,163 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1136: havoc main_~node4__m4~5#1; [2024-11-16 08:39:24,164 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1170: havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~8#1; [2024-11-16 08:39:24,164 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3086: havoc main_~main____CPAchecker_TMP_0~17#1;havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~31#1; [2024-11-16 08:39:24,164 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2095: havoc main_~node3____CPAchecker_TMP_0~2#1;havoc main_~node3__m3~6#1; [2024-11-16 08:39:24,164 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1567: havoc main_~node3__m3~5#1; [2024-11-16 08:39:24,164 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L345: havoc main_~node4__m4~1#1; [2024-11-16 08:39:24,164 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L213: havoc main_~node2____CPAchecker_TMP_0~0#1;havoc main_~node2__m2~0#1; [2024-11-16 08:39:24,164 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2856: havoc main_~main____CPAchecker_TMP_0~14#1;havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~28#1; [2024-11-16 08:39:24,164 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L247: havoc main_~node4____CPAchecker_TMP_0~0#1;havoc main_~node4__m4~0#1; [2024-11-16 08:39:24,165 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1932: havoc main_~node4____CPAchecker_TMP_0~2#1;havoc main_~node4__m4~10#1; [2024-11-16 08:39:24,165 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L315: havoc main_~node2__m2~1#1; [2024-11-16 08:39:24,165 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L613: havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-16 08:39:24,165 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2926: havoc main_~main____CPAchecker_TMP_0~15#1;havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~29#1; [2024-11-16 08:39:24,165 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L878: havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1; [2024-11-16 08:39:24,165 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L449: havoc main_~node4__m4~2#1; [2024-11-16 08:39:24,165 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1308: havoc main_~node4__m4~6#1; [2024-11-16 08:39:24,165 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2795: havoc main_~node3____CPAchecker_TMP_0~4#1;havoc main_~node3__m3~8#1; [2024-11-16 08:39:24,166 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1045: havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~6#1; [2024-11-16 08:39:24,166 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1442: havoc main_~node4__m4~7#1; [2024-11-16 08:39:24,166 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2632: havoc main_~node4____CPAchecker_TMP_0~6#1;havoc main_~node4__m4~14#1; [2024-11-16 08:39:24,166 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1509: havoc main_~check__tmp~13#1; [2024-11-16 08:39:24,166 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1476: havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~12#1; [2024-11-16 08:39:24,166 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L419: havoc main_~node2__m2~2#1; [2024-11-16 08:39:24,166 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1278: havoc main_~node2__m2~3#1; [2024-11-16 08:39:24,166 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2272: havoc main_~node4____CPAchecker_TMP_0~4#1;havoc main_~node4__m4~12#1; [2024-11-16 08:39:24,167 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1711: havoc main_~check__tmp~16#1;havoc main_~node4__m4~9#1; [2024-11-16 08:39:24,167 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2438: havoc main_~node2____CPAchecker_TMP_0~2#1;havoc main_~node2__m2~4#1; [2024-11-16 08:39:24,167 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1976: havoc main_~main____CPAchecker_TMP_0~4#1;havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~18#1; [2024-11-16 08:39:24,167 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2472: havoc main_~node4____CPAchecker_TMP_0~5#1;havoc main_~node4__m4~13#1; [2024-11-16 08:39:24,167 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L788: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2024-11-16 08:39:24,167 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1350: havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~10#1; [2024-11-16 08:39:24,167 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1648: havoc main_~check__tmp~15#1; [2024-11-16 08:39:24,168 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1582: havoc main_~node4__m4~8#1; [2024-11-16 08:39:24,168 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L988: havoc main_~node3__m3~3#1; [2024-11-16 08:39:24,168 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L658: havoc main_~node2____CPAchecker_TMP_0~1#1; [2024-11-16 08:39:24,168 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1616: havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~14#1; [2024-11-16 08:39:24,168 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1____CPAchecker_TMP_0~0#1;havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-16 08:39:24,169 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2112: havoc main_~node4____CPAchecker_TMP_0~3#1;havoc main_~node4__m4~11#1; [2024-11-16 08:39:24,169 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2046: havoc main_~main____CPAchecker_TMP_0~5#1;havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~19#1; [2024-11-16 08:39:24,169 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node3____CPAchecker_TMP_0~0#1;havoc main_~node3__m3~0#1; [2024-11-16 08:39:24,169 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2972: havoc main_~node4____CPAchecker_TMP_0~8#1;havoc main_~node4__m4~16#1; [2024-11-16 08:39:24,169 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L330: havoc main_~node3__m3~1#1; [2024-11-16 08:39:24,169 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2676: havoc main_~main____CPAchecker_TMP_0~12#1;havoc main_~__tmp_23~0#1, main_~assert__arg~22#1;havoc main_~check__tmp~26#1; [2024-11-16 08:39:24,170 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L299: havoc main_~node1__m1~1#1;havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-16 08:39:24,279 INFO L? ?]: Removed 326 outVars from TransFormulas that were not future-live. [2024-11-16 08:39:24,279 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 08:39:24,309 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 08:39:24,309 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 08:39:24,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:39:24 BoogieIcfgContainer [2024-11-16 08:39:24,310 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 08:39:24,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 08:39:24,313 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 08:39:24,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 08:39:24,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:39:21" (1/3) ... [2024-11-16 08:39:24,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347c038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:39:24, skipping insertion in model container [2024-11-16 08:39:24,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:22" (2/3) ... [2024-11-16 08:39:24,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347c038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:39:24, skipping insertion in model container [2024-11-16 08:39:24,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:39:24" (3/3) ... [2024-11-16 08:39:24,321 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2024-11-16 08:39:24,336 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 08:39:24,336 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-11-16 08:39:24,412 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 08:39:24,420 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;@1a1a7fd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 08:39:24,420 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-16 08:39:24,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 372 states, 360 states have (on average 1.8055555555555556) internal successors, (650), 371 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:24,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-16 08:39:24,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:24,444 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] [2024-11-16 08:39:24,445 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:24,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:24,451 INFO L85 PathProgramCache]: Analyzing trace with hash 2111938176, now seen corresponding path program 1 times [2024-11-16 08:39:24,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:24,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753988321] [2024-11-16 08:39:24,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:24,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:25,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:25,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:25,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753988321] [2024-11-16 08:39:25,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753988321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:25,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:25,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:39:25,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931688959] [2024-11-16 08:39:25,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:25,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:39:25,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:25,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:39:25,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:39:25,047 INFO L87 Difference]: Start difference. First operand has 372 states, 360 states have (on average 1.8055555555555556) internal successors, (650), 371 states have internal predecessors, (650), 0 states have call successors, (0), 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) [2024-11-16 08:39:25,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:25,456 INFO L93 Difference]: Finished difference Result 587 states and 991 transitions. [2024-11-16 08:39:25,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:39:25,459 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 [2024-11-16 08:39:25,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:25,473 INFO L225 Difference]: With dead ends: 587 [2024-11-16 08:39:25,474 INFO L226 Difference]: Without dead ends: 318 [2024-11-16 08:39:25,478 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 [2024-11-16 08:39:25,484 INFO L432 NwaCegarLoop]: 345 mSDtfsCounter, 1512 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:25,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 407 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:25,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-16 08:39:25,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2024-11-16 08:39:25,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 307 states have (on average 1.273615635179153) internal successors, (391), 317 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:25,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 391 transitions. [2024-11-16 08:39:25,548 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 391 transitions. Word has length 59 [2024-11-16 08:39:25,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:25,550 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 391 transitions. [2024-11-16 08:39:25,550 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) [2024-11-16 08:39:25,550 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 391 transitions. [2024-11-16 08:39:25,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-16 08:39:25,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:25,556 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] [2024-11-16 08:39:25,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 08:39:25,557 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:25,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:25,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1574060543, now seen corresponding path program 1 times [2024-11-16 08:39:25,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:25,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529007882] [2024-11-16 08:39:25,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:25,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:25,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:25,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:25,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529007882] [2024-11-16 08:39:25,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529007882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:25,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:25,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:39:25,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828097950] [2024-11-16 08:39:25,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:25,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:39:25,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:25,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:39:25,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:39:25,784 INFO L87 Difference]: Start difference. First operand 318 states and 391 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) [2024-11-16 08:39:26,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:26,056 INFO L93 Difference]: Finished difference Result 661 states and 844 transitions. [2024-11-16 08:39:26,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:39:26,056 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 [2024-11-16 08:39:26,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:26,059 INFO L225 Difference]: With dead ends: 661 [2024-11-16 08:39:26,059 INFO L226 Difference]: Without dead ends: 414 [2024-11-16 08:39:26,061 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 [2024-11-16 08:39:26,062 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1357 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1357 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:26,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1357 Valid, 319 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:39:26,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-16 08:39:26,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 372. [2024-11-16 08:39:26,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 361 states have (on average 1.3518005540166205) internal successors, (488), 371 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:26,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 488 transitions. [2024-11-16 08:39:26,093 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 488 transitions. Word has length 60 [2024-11-16 08:39:26,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:26,093 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 488 transitions. [2024-11-16 08:39:26,093 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) [2024-11-16 08:39:26,093 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 488 transitions. [2024-11-16 08:39:26,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-16 08:39:26,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:26,096 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] [2024-11-16 08:39:26,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 08:39:26,097 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:26,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:26,097 INFO L85 PathProgramCache]: Analyzing trace with hash 539508056, now seen corresponding path program 1 times [2024-11-16 08:39:26,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:26,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992385509] [2024-11-16 08:39:26,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:26,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:26,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:26,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992385509] [2024-11-16 08:39:26,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992385509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:26,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:26,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:39:26,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267621107] [2024-11-16 08:39:26,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:26,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:39:26,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:26,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:39:26,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:39:26,268 INFO L87 Difference]: Start difference. First operand 372 states and 488 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) [2024-11-16 08:39:26,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:26,447 INFO L93 Difference]: Finished difference Result 673 states and 902 transitions. [2024-11-16 08:39:26,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:39:26,447 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 [2024-11-16 08:39:26,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:26,449 INFO L225 Difference]: With dead ends: 673 [2024-11-16 08:39:26,449 INFO L226 Difference]: Without dead ends: 353 [2024-11-16 08:39:26,450 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 [2024-11-16 08:39:26,451 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 922 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:26,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 202 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:39:26,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-16 08:39:26,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2024-11-16 08:39:26,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 342 states have (on average 1.3596491228070176) internal successors, (465), 352 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:26,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 465 transitions. [2024-11-16 08:39:26,463 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 465 transitions. Word has length 61 [2024-11-16 08:39:26,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:26,463 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 465 transitions. [2024-11-16 08:39:26,463 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) [2024-11-16 08:39:26,464 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 465 transitions. [2024-11-16 08:39:26,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-16 08:39:26,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:26,465 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] [2024-11-16 08:39:26,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 08:39:26,466 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:26,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:26,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1592023959, now seen corresponding path program 1 times [2024-11-16 08:39:26,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:26,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173041410] [2024-11-16 08:39:26,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:26,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:26,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:26,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173041410] [2024-11-16 08:39:26,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173041410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:26,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:26,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:39:26,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219211318] [2024-11-16 08:39:26,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:26,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:39:26,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:26,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:39:26,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:39:26,583 INFO L87 Difference]: Start difference. First operand 353 states and 465 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) [2024-11-16 08:39:26,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:26,769 INFO L93 Difference]: Finished difference Result 654 states and 877 transitions. [2024-11-16 08:39:26,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:39:26,770 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 [2024-11-16 08:39:26,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:26,771 INFO L225 Difference]: With dead ends: 654 [2024-11-16 08:39:26,771 INFO L226 Difference]: Without dead ends: 345 [2024-11-16 08:39:26,772 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 [2024-11-16 08:39:26,773 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 879 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:26,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [879 Valid, 198 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:39:26,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-16 08:39:26,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2024-11-16 08:39:26,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 334 states have (on average 1.3592814371257484) internal successors, (454), 344 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:26,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 454 transitions. [2024-11-16 08:39:26,781 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 454 transitions. Word has length 62 [2024-11-16 08:39:26,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:26,782 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 454 transitions. [2024-11-16 08:39:26,782 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) [2024-11-16 08:39:26,782 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 454 transitions. [2024-11-16 08:39:26,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-16 08:39:26,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:26,783 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] [2024-11-16 08:39:26,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 08:39:26,784 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:26,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:26,784 INFO L85 PathProgramCache]: Analyzing trace with hash 444255088, now seen corresponding path program 1 times [2024-11-16 08:39:26,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:26,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585250487] [2024-11-16 08:39:26,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:26,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:27,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:27,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:27,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585250487] [2024-11-16 08:39:27,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585250487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:27,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:27,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 08:39:27,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710843465] [2024-11-16 08:39:27,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:27,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 08:39:27,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:27,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 08:39:27,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 08:39:27,173 INFO L87 Difference]: Start difference. First operand 345 states and 454 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) [2024-11-16 08:39:27,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:27,673 INFO L93 Difference]: Finished difference Result 707 states and 931 transitions. [2024-11-16 08:39:27,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:39:27,673 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 [2024-11-16 08:39:27,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:27,677 INFO L225 Difference]: With dead ends: 707 [2024-11-16 08:39:27,677 INFO L226 Difference]: Without dead ends: 516 [2024-11-16 08:39:27,678 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 [2024-11-16 08:39:27,680 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 1302 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:27,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 776 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:39:27,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2024-11-16 08:39:27,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 345. [2024-11-16 08:39:27,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 334 states have (on average 1.3562874251497006) internal successors, (453), 344 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:27,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 453 transitions. [2024-11-16 08:39:27,689 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 453 transitions. Word has length 63 [2024-11-16 08:39:27,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:27,689 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 453 transitions. [2024-11-16 08:39:27,689 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) [2024-11-16 08:39:27,690 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 453 transitions. [2024-11-16 08:39:27,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-16 08:39:27,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:27,691 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] [2024-11-16 08:39:27,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 08:39:27,691 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:27,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:27,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1448760294, now seen corresponding path program 1 times [2024-11-16 08:39:27,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:27,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267795793] [2024-11-16 08:39:27,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:27,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:28,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:28,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:28,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267795793] [2024-11-16 08:39:28,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267795793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:28,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:28,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:28,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487083265] [2024-11-16 08:39:28,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:28,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:28,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:28,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:28,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:28,019 INFO L87 Difference]: Start difference. First operand 345 states and 453 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) [2024-11-16 08:39:28,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:28,660 INFO L93 Difference]: Finished difference Result 552 states and 745 transitions. [2024-11-16 08:39:28,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:39:28,661 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 [2024-11-16 08:39:28,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:28,664 INFO L225 Difference]: With dead ends: 552 [2024-11-16 08:39:28,665 INFO L226 Difference]: Without dead ends: 406 [2024-11-16 08:39:28,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:39:28,666 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 982 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 1144 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:28,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [982 Valid, 1144 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:39:28,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-16 08:39:28,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 345. [2024-11-16 08:39:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 334 states have (on average 1.3532934131736527) internal successors, (452), 344 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:28,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 452 transitions. [2024-11-16 08:39:28,679 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 452 transitions. Word has length 63 [2024-11-16 08:39:28,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:28,680 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 452 transitions. [2024-11-16 08:39:28,680 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) [2024-11-16 08:39:28,681 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 452 transitions. [2024-11-16 08:39:28,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-16 08:39:28,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:28,683 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] [2024-11-16 08:39:28,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 08:39:28,683 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:28,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:28,684 INFO L85 PathProgramCache]: Analyzing trace with hash 296536520, now seen corresponding path program 1 times [2024-11-16 08:39:28,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:28,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597962638] [2024-11-16 08:39:28,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:28,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:28,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:28,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:28,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597962638] [2024-11-16 08:39:28,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597962638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:28,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:28,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:28,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346795073] [2024-11-16 08:39:28,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:28,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:28,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:28,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:28,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:28,967 INFO L87 Difference]: Start difference. First operand 345 states and 452 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) [2024-11-16 08:39:29,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:29,457 INFO L93 Difference]: Finished difference Result 547 states and 715 transitions. [2024-11-16 08:39:29,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:39:29,458 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 [2024-11-16 08:39:29,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:29,460 INFO L225 Difference]: With dead ends: 547 [2024-11-16 08:39:29,460 INFO L226 Difference]: Without dead ends: 542 [2024-11-16 08:39:29,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:39:29,461 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 1280 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:29,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1280 Valid, 757 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:29,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-16 08:39:29,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 345. [2024-11-16 08:39:29,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 334 states have (on average 1.3502994011976048) internal successors, (451), 344 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:29,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 451 transitions. [2024-11-16 08:39:29,488 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 451 transitions. Word has length 63 [2024-11-16 08:39:29,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:29,489 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 451 transitions. [2024-11-16 08:39:29,489 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) [2024-11-16 08:39:29,489 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 451 transitions. [2024-11-16 08:39:29,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-16 08:39:29,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:29,490 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] [2024-11-16 08:39:29,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 08:39:29,490 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:29,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:29,491 INFO L85 PathProgramCache]: Analyzing trace with hash 751903280, now seen corresponding path program 1 times [2024-11-16 08:39:29,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:29,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623445552] [2024-11-16 08:39:29,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:29,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:29,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:29,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:29,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623445552] [2024-11-16 08:39:29,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623445552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:29,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:29,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:29,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203293165] [2024-11-16 08:39:29,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:29,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:29,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:29,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:29,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:29,738 INFO L87 Difference]: Start difference. First operand 345 states and 451 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) [2024-11-16 08:39:30,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:30,168 INFO L93 Difference]: Finished difference Result 582 states and 782 transitions. [2024-11-16 08:39:30,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:39:30,169 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 [2024-11-16 08:39:30,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:30,170 INFO L225 Difference]: With dead ends: 582 [2024-11-16 08:39:30,171 INFO L226 Difference]: Without dead ends: 406 [2024-11-16 08:39:30,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:39:30,172 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 988 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:30,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [988 Valid, 787 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:30,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-16 08:39:30,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 345. [2024-11-16 08:39:30,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 334 states have (on average 1.344311377245509) internal successors, (449), 344 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:30,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 449 transitions. [2024-11-16 08:39:30,180 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 449 transitions. Word has length 65 [2024-11-16 08:39:30,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:30,180 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 449 transitions. [2024-11-16 08:39:30,180 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) [2024-11-16 08:39:30,180 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 449 transitions. [2024-11-16 08:39:30,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-16 08:39:30,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:30,181 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] [2024-11-16 08:39:30,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 08:39:30,182 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:30,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:30,182 INFO L85 PathProgramCache]: Analyzing trace with hash -18661902, now seen corresponding path program 1 times [2024-11-16 08:39:30,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:30,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537338072] [2024-11-16 08:39:30,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:30,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:30,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:30,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:30,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537338072] [2024-11-16 08:39:30,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537338072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:30,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:30,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:30,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818312280] [2024-11-16 08:39:30,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:30,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:30,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:30,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:30,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:30,474 INFO L87 Difference]: Start difference. First operand 345 states and 449 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) [2024-11-16 08:39:31,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:31,052 INFO L93 Difference]: Finished difference Result 579 states and 761 transitions. [2024-11-16 08:39:31,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:39:31,053 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 [2024-11-16 08:39:31,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:31,055 INFO L225 Difference]: With dead ends: 579 [2024-11-16 08:39:31,055 INFO L226 Difference]: Without dead ends: 562 [2024-11-16 08:39:31,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:39:31,056 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 1327 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:31,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1327 Valid, 1234 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:39:31,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-16 08:39:31,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 345. [2024-11-16 08:39:31,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 334 states have (on average 1.3383233532934131) internal successors, (447), 344 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) [2024-11-16 08:39:31,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 447 transitions. [2024-11-16 08:39:31,064 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 447 transitions. Word has length 65 [2024-11-16 08:39:31,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:31,064 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 447 transitions. [2024-11-16 08:39:31,064 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) [2024-11-16 08:39:31,064 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 447 transitions. [2024-11-16 08:39:31,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-16 08:39:31,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:31,065 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] [2024-11-16 08:39:31,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 08:39:31,065 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:31,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:31,066 INFO L85 PathProgramCache]: Analyzing trace with hash 407219316, now seen corresponding path program 1 times [2024-11-16 08:39:31,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:31,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616038567] [2024-11-16 08:39:31,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:31,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:31,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:31,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:31,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616038567] [2024-11-16 08:39:31,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616038567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:31,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:31,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:31,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909726106] [2024-11-16 08:39:31,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:31,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:31,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:31,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:31,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:31,328 INFO L87 Difference]: Start difference. First operand 345 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) [2024-11-16 08:39:31,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:31,809 INFO L93 Difference]: Finished difference Result 547 states and 709 transitions. [2024-11-16 08:39:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:39:31,810 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 [2024-11-16 08:39:31,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:31,812 INFO L225 Difference]: With dead ends: 547 [2024-11-16 08:39:31,813 INFO L226 Difference]: Without dead ends: 542 [2024-11-16 08:39:31,813 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 [2024-11-16 08:39:31,814 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 1673 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1673 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:31,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1673 Valid, 808 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:31,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-16 08:39:31,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 345. [2024-11-16 08:39:31,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 334 states have (on average 1.3323353293413174) internal successors, (445), 344 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) [2024-11-16 08:39:31,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 445 transitions. [2024-11-16 08:39:31,823 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 445 transitions. Word has length 65 [2024-11-16 08:39:31,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:31,824 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 445 transitions. [2024-11-16 08:39:31,824 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) [2024-11-16 08:39:31,824 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 445 transitions. [2024-11-16 08:39:31,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-16 08:39:31,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:31,825 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] [2024-11-16 08:39:31,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 08:39:31,825 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)] === [2024-11-16 08:39:31,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:31,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1843571640, now seen corresponding path program 1 times [2024-11-16 08:39:31,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:31,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062396108] [2024-11-16 08:39:31,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:31,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:32,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:32,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062396108] [2024-11-16 08:39:32,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062396108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:32,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:32,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:32,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784724766] [2024-11-16 08:39:32,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:32,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:32,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:32,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:32,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:32,149 INFO L87 Difference]: Start difference. First operand 345 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) [2024-11-16 08:39:32,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:32,697 INFO L93 Difference]: Finished difference Result 686 states and 916 transitions. [2024-11-16 08:39:32,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:39:32,697 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 [2024-11-16 08:39:32,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:32,699 INFO L225 Difference]: With dead ends: 686 [2024-11-16 08:39:32,699 INFO L226 Difference]: Without dead ends: 562 [2024-11-16 08:39:32,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:39:32,701 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 1320 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1320 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:32,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1320 Valid, 1234 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:39:32,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-16 08:39:32,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 345. [2024-11-16 08:39:32,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 334 states have (on average 1.3293413173652695) internal successors, (444), 344 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) [2024-11-16 08:39:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 444 transitions. [2024-11-16 08:39:32,708 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 444 transitions. Word has length 65 [2024-11-16 08:39:32,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:32,708 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 444 transitions. [2024-11-16 08:39:32,708 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) [2024-11-16 08:39:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 444 transitions. [2024-11-16 08:39:32,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-16 08:39:32,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:32,709 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] [2024-11-16 08:39:32,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 08:39:32,710 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:32,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:32,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1332482851, now seen corresponding path program 1 times [2024-11-16 08:39:32,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:32,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028281845] [2024-11-16 08:39:32,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:32,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:32,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:32,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:32,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028281845] [2024-11-16 08:39:32,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028281845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:32,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:32,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:32,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31940054] [2024-11-16 08:39:32,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:32,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:32,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:32,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:32,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:32,953 INFO L87 Difference]: Start difference. First operand 345 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) [2024-11-16 08:39:33,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:33,409 INFO L93 Difference]: Finished difference Result 656 states and 868 transitions. [2024-11-16 08:39:33,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:39:33,409 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 [2024-11-16 08:39:33,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:33,411 INFO L225 Difference]: With dead ends: 656 [2024-11-16 08:39:33,411 INFO L226 Difference]: Without dead ends: 542 [2024-11-16 08:39:33,412 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 [2024-11-16 08:39:33,412 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1589 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1589 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:33,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1589 Valid, 840 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:33,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-16 08:39:33,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 345. [2024-11-16 08:39:33,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 334 states have (on average 1.3263473053892216) internal successors, (443), 344 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:33,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 443 transitions. [2024-11-16 08:39:33,423 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 443 transitions. Word has length 65 [2024-11-16 08:39:33,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:33,423 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 443 transitions. [2024-11-16 08:39:33,423 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) [2024-11-16 08:39:33,423 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 443 transitions. [2024-11-16 08:39:33,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-16 08:39:33,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:33,424 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] [2024-11-16 08:39:33,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 08:39:33,425 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:33,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:33,425 INFO L85 PathProgramCache]: Analyzing trace with hash 372962778, now seen corresponding path program 1 times [2024-11-16 08:39:33,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:33,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572229763] [2024-11-16 08:39:33,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:33,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:33,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:33,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572229763] [2024-11-16 08:39:33,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572229763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:33,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:33,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 08:39:33,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976556862] [2024-11-16 08:39:33,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:33,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 08:39:33,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:33,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 08:39:33,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:39:33,950 INFO L87 Difference]: Start difference. First operand 345 states and 443 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) [2024-11-16 08:39:34,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:34,825 INFO L93 Difference]: Finished difference Result 1063 states and 1460 transitions. [2024-11-16 08:39:34,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 08:39:34,825 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 [2024-11-16 08:39:34,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:34,828 INFO L225 Difference]: With dead ends: 1063 [2024-11-16 08:39:34,828 INFO L226 Difference]: Without dead ends: 934 [2024-11-16 08:39:34,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-16 08:39:34,830 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 2693 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2693 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:34,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2693 Valid, 1247 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:39:34,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2024-11-16 08:39:34,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 349. [2024-11-16 08:39:34,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 338 states have (on average 1.3224852071005917) internal successors, (447), 348 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) [2024-11-16 08:39:34,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 447 transitions. [2024-11-16 08:39:34,840 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 447 transitions. Word has length 65 [2024-11-16 08:39:34,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:34,840 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 447 transitions. [2024-11-16 08:39:34,840 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) [2024-11-16 08:39:34,840 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 447 transitions. [2024-11-16 08:39:34,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-16 08:39:34,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:34,841 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] [2024-11-16 08:39:34,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 08:39:34,841 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:34,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:34,842 INFO L85 PathProgramCache]: Analyzing trace with hash 798843996, now seen corresponding path program 1 times [2024-11-16 08:39:34,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:34,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172053726] [2024-11-16 08:39:34,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:34,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:35,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:35,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:35,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172053726] [2024-11-16 08:39:35,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172053726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:35,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:35,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:35,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660084905] [2024-11-16 08:39:35,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:35,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:35,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:35,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:35,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:35,076 INFO L87 Difference]: Start difference. First operand 349 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) [2024-11-16 08:39:35,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:35,481 INFO L93 Difference]: Finished difference Result 663 states and 874 transitions. [2024-11-16 08:39:35,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:39:35,481 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 [2024-11-16 08:39:35,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:35,483 INFO L225 Difference]: With dead ends: 663 [2024-11-16 08:39:35,483 INFO L226 Difference]: Without dead ends: 546 [2024-11-16 08:39:35,484 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 [2024-11-16 08:39:35,484 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 778 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:35,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [778 Valid, 840 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:35,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2024-11-16 08:39:35,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 349. [2024-11-16 08:39:35,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 338 states have (on average 1.319526627218935) internal successors, (446), 348 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) [2024-11-16 08:39:35,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 446 transitions. [2024-11-16 08:39:35,494 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 446 transitions. Word has length 65 [2024-11-16 08:39:35,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:35,494 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 446 transitions. [2024-11-16 08:39:35,494 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) [2024-11-16 08:39:35,494 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 446 transitions. [2024-11-16 08:39:35,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-16 08:39:35,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:35,495 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] [2024-11-16 08:39:35,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 08:39:35,496 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)] === [2024-11-16 08:39:35,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:35,496 INFO L85 PathProgramCache]: Analyzing trace with hash -948635897, now seen corresponding path program 1 times [2024-11-16 08:39:35,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:35,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699441925] [2024-11-16 08:39:35,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:35,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:35,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:35,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:35,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699441925] [2024-11-16 08:39:35,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699441925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:35,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:35,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:35,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159439087] [2024-11-16 08:39:35,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:35,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:35,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:35,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:35,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:35,704 INFO L87 Difference]: Start difference. First operand 349 states and 446 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) [2024-11-16 08:39:36,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:36,197 INFO L93 Difference]: Finished difference Result 691 states and 917 transitions. [2024-11-16 08:39:36,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:39:36,198 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 [2024-11-16 08:39:36,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:36,199 INFO L225 Difference]: With dead ends: 691 [2024-11-16 08:39:36,199 INFO L226 Difference]: Without dead ends: 562 [2024-11-16 08:39:36,200 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 [2024-11-16 08:39:36,200 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 648 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:36,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 1118 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:39:36,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-16 08:39:36,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 345. [2024-11-16 08:39:36,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 334 states have (on average 1.3203592814371257) internal successors, (441), 344 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:36,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 441 transitions. [2024-11-16 08:39:36,210 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 441 transitions. Word has length 66 [2024-11-16 08:39:36,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:36,210 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 441 transitions. [2024-11-16 08:39:36,210 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) [2024-11-16 08:39:36,210 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 441 transitions. [2024-11-16 08:39:36,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-16 08:39:36,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:36,212 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] [2024-11-16 08:39:36,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 08:39:36,213 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:36,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:36,213 INFO L85 PathProgramCache]: Analyzing trace with hash 939770960, now seen corresponding path program 1 times [2024-11-16 08:39:36,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:36,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962441253] [2024-11-16 08:39:36,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:36,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:36,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:36,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:36,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962441253] [2024-11-16 08:39:36,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962441253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:36,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:36,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 08:39:36,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225512574] [2024-11-16 08:39:36,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:36,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 08:39:36,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:36,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 08:39:36,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-16 08:39:36,717 INFO L87 Difference]: Start difference. First operand 345 states and 441 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) [2024-11-16 08:39:37,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:37,186 INFO L93 Difference]: Finished difference Result 650 states and 859 transitions. [2024-11-16 08:39:37,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 08:39:37,186 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 [2024-11-16 08:39:37,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:37,188 INFO L225 Difference]: With dead ends: 650 [2024-11-16 08:39:37,188 INFO L226 Difference]: Without dead ends: 532 [2024-11-16 08:39:37,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:39:37,189 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 737 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:37,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 1242 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:37,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-16 08:39:37,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 335. [2024-11-16 08:39:37,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 325 states have (on average 1.3107692307692307) internal successors, (426), 334 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:37,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 426 transitions. [2024-11-16 08:39:37,197 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 426 transitions. Word has length 67 [2024-11-16 08:39:37,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:37,197 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 426 transitions. [2024-11-16 08:39:37,197 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) [2024-11-16 08:39:37,197 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 426 transitions. [2024-11-16 08:39:37,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-16 08:39:37,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:37,198 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] [2024-11-16 08:39:37,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 08:39:37,199 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:37,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:37,199 INFO L85 PathProgramCache]: Analyzing trace with hash 523736914, now seen corresponding path program 1 times [2024-11-16 08:39:37,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:37,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033331285] [2024-11-16 08:39:37,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:37,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:38,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:38,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:38,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033331285] [2024-11-16 08:39:38,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033331285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:38,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:38,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-16 08:39:38,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369733314] [2024-11-16 08:39:38,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:38,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-16 08:39:38,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:38,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-16 08:39:38,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:39:38,318 INFO L87 Difference]: Start difference. First operand 335 states and 426 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) [2024-11-16 08:39:40,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:40,240 INFO L93 Difference]: Finished difference Result 751 states and 972 transitions. [2024-11-16 08:39:40,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-16 08:39:40,242 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 [2024-11-16 08:39:40,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:40,244 INFO L225 Difference]: With dead ends: 751 [2024-11-16 08:39:40,244 INFO L226 Difference]: Without dead ends: 747 [2024-11-16 08:39:40,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=231, Invalid=825, Unknown=0, NotChecked=0, Total=1056 [2024-11-16 08:39:40,246 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 1732 mSDsluCounter, 2912 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1732 SdHoareTripleChecker+Valid, 3198 SdHoareTripleChecker+Invalid, 1472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:40,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1732 Valid, 3198 Invalid, 1472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1455 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 08:39:40,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-11-16 08:39:40,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 341. [2024-11-16 08:39:40,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 331 states have (on average 1.311178247734139) internal successors, (434), 340 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:40,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 434 transitions. [2024-11-16 08:39:40,254 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 434 transitions. Word has length 67 [2024-11-16 08:39:40,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:40,254 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 434 transitions. [2024-11-16 08:39:40,254 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) [2024-11-16 08:39:40,254 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 434 transitions. [2024-11-16 08:39:40,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-16 08:39:40,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:40,255 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] [2024-11-16 08:39:40,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 08:39:40,256 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:40,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:40,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1707424873, now seen corresponding path program 1 times [2024-11-16 08:39:40,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:40,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968376287] [2024-11-16 08:39:40,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:40,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:41,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:41,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:41,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968376287] [2024-11-16 08:39:41,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968376287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:41,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:41,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-16 08:39:41,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792300326] [2024-11-16 08:39:41,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:41,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-16 08:39:41,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:41,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-16 08:39:41,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2024-11-16 08:39:41,691 INFO L87 Difference]: Start difference. First operand 341 states and 434 transitions. Second operand has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 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) [2024-11-16 08:39:44,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:44,064 INFO L93 Difference]: Finished difference Result 824 states and 1089 transitions. [2024-11-16 08:39:44,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-16 08:39:44,064 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 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 [2024-11-16 08:39:44,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:44,067 INFO L225 Difference]: With dead ends: 824 [2024-11-16 08:39:44,067 INFO L226 Difference]: Without dead ends: 711 [2024-11-16 08:39:44,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=372, Invalid=1884, Unknown=0, NotChecked=0, Total=2256 [2024-11-16 08:39:44,068 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 1753 mSDsluCounter, 5359 mSDsCounter, 0 mSdLazyCounter, 2898 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1753 SdHoareTripleChecker+Valid, 5804 SdHoareTripleChecker+Invalid, 2909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:44,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1753 Valid, 5804 Invalid, 2909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2898 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 08:39:44,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-11-16 08:39:44,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 340. [2024-11-16 08:39:44,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 330 states have (on average 1.309090909090909) internal successors, (432), 339 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:44,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 432 transitions. [2024-11-16 08:39:44,075 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 432 transitions. Word has length 67 [2024-11-16 08:39:44,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:44,076 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 432 transitions. [2024-11-16 08:39:44,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 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) [2024-11-16 08:39:44,076 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 432 transitions. [2024-11-16 08:39:44,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-16 08:39:44,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:44,077 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] [2024-11-16 08:39:44,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 08:39:44,077 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)] === [2024-11-16 08:39:44,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:44,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1443375348, now seen corresponding path program 1 times [2024-11-16 08:39:44,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:44,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976295199] [2024-11-16 08:39:44,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:44,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:44,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:44,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:44,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976295199] [2024-11-16 08:39:44,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976295199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:44,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:44,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 08:39:44,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753954085] [2024-11-16 08:39:44,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:44,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 08:39:44,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:44,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 08:39:44,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:39:44,584 INFO L87 Difference]: Start difference. First operand 340 states and 432 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:45,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:45,160 INFO L93 Difference]: Finished difference Result 769 states and 1033 transitions. [2024-11-16 08:39:45,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:39:45,161 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-16 08:39:45,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:45,162 INFO L225 Difference]: With dead ends: 769 [2024-11-16 08:39:45,162 INFO L226 Difference]: Without dead ends: 610 [2024-11-16 08:39:45,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2024-11-16 08:39:45,163 INFO L432 NwaCegarLoop]: 368 mSDtfsCounter, 1323 mSDsluCounter, 2965 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1323 SdHoareTripleChecker+Valid, 3333 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:45,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1323 Valid, 3333 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:45,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2024-11-16 08:39:45,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 293. [2024-11-16 08:39:45,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 286 states have (on average 1.3076923076923077) internal successors, (374), 292 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:45,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 374 transitions. [2024-11-16 08:39:45,170 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 374 transitions. Word has length 67 [2024-11-16 08:39:45,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:45,170 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 374 transitions. [2024-11-16 08:39:45,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:45,170 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 374 transitions. [2024-11-16 08:39:45,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-16 08:39:45,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:45,171 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] [2024-11-16 08:39:45,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 08:39:45,172 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:45,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:45,172 INFO L85 PathProgramCache]: Analyzing trace with hash -847128440, now seen corresponding path program 1 times [2024-11-16 08:39:45,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:45,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822813142] [2024-11-16 08:39:45,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:45,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:45,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:45,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:45,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822813142] [2024-11-16 08:39:45,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822813142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:45,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:45,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 08:39:45,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066652774] [2024-11-16 08:39:45,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:45,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 08:39:45,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:45,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 08:39:45,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:39:45,744 INFO L87 Difference]: Start difference. First operand 293 states and 374 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:46,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:46,410 INFO L93 Difference]: Finished difference Result 722 states and 975 transitions. [2024-11-16 08:39:46,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:39:46,411 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-16 08:39:46,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:46,413 INFO L225 Difference]: With dead ends: 722 [2024-11-16 08:39:46,413 INFO L226 Difference]: Without dead ends: 586 [2024-11-16 08:39:46,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-11-16 08:39:46,414 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 1087 mSDsluCounter, 2866 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 3366 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:46,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1087 Valid, 3366 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:46,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2024-11-16 08:39:46,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 269. [2024-11-16 08:39:46,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 263 states have (on average 1.3079847908745248) internal successors, (344), 268 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:46,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 344 transitions. [2024-11-16 08:39:46,426 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 344 transitions. Word has length 67 [2024-11-16 08:39:46,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:46,426 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 344 transitions. [2024-11-16 08:39:46,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:46,426 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 344 transitions. [2024-11-16 08:39:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-16 08:39:46,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:46,427 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] [2024-11-16 08:39:46,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 08:39:46,428 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:46,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:46,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1082064262, now seen corresponding path program 1 times [2024-11-16 08:39:46,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:46,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250301151] [2024-11-16 08:39:46,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:46,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:46,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:46,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:46,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250301151] [2024-11-16 08:39:46,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250301151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:46,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:46,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 08:39:46,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911813040] [2024-11-16 08:39:46,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:46,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 08:39:46,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:46,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 08:39:46,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-16 08:39:46,820 INFO L87 Difference]: Start difference. First operand 269 states and 344 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) [2024-11-16 08:39:47,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:47,212 INFO L93 Difference]: Finished difference Result 515 states and 693 transitions. [2024-11-16 08:39:47,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:39:47,212 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 [2024-11-16 08:39:47,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:47,213 INFO L225 Difference]: With dead ends: 515 [2024-11-16 08:39:47,213 INFO L226 Difference]: Without dead ends: 364 [2024-11-16 08:39:47,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-16 08:39:47,215 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 879 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:47,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [879 Valid, 656 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:39:47,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-16 08:39:47,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 230. [2024-11-16 08:39:47,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 227 states have (on average 1.3083700440528634) internal successors, (297), 229 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:47,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 297 transitions. [2024-11-16 08:39:47,221 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 297 transitions. Word has length 67 [2024-11-16 08:39:47,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:47,222 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 297 transitions. [2024-11-16 08:39:47,222 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) [2024-11-16 08:39:47,222 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 297 transitions. [2024-11-16 08:39:47,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-16 08:39:47,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:47,223 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] [2024-11-16 08:39:47,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 08:39:47,223 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)] === [2024-11-16 08:39:47,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:47,224 INFO L85 PathProgramCache]: Analyzing trace with hash 308061412, now seen corresponding path program 1 times [2024-11-16 08:39:47,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:47,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385628795] [2024-11-16 08:39:47,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:47,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:47,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:47,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:47,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385628795] [2024-11-16 08:39:47,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385628795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:47,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:47,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:47,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872084940] [2024-11-16 08:39:47,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:47,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:47,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:47,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:47,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:47,412 INFO L87 Difference]: Start difference. First operand 230 states and 297 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) [2024-11-16 08:39:47,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:47,786 INFO L93 Difference]: Finished difference Result 544 states and 732 transitions. [2024-11-16 08:39:47,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:39:47,786 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 [2024-11-16 08:39:47,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:47,788 INFO L225 Difference]: With dead ends: 544 [2024-11-16 08:39:47,788 INFO L226 Difference]: Without dead ends: 402 [2024-11-16 08:39:47,788 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 [2024-11-16 08:39:47,789 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 504 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:47,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 753 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:47,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-11-16 08:39:47,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 230. [2024-11-16 08:39:47,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 227 states have (on average 1.2995594713656389) internal successors, (295), 229 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:47,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 295 transitions. [2024-11-16 08:39:47,793 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 295 transitions. Word has length 68 [2024-11-16 08:39:47,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:47,794 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 295 transitions. [2024-11-16 08:39:47,794 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) [2024-11-16 08:39:47,794 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 295 transitions. [2024-11-16 08:39:47,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-16 08:39:47,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:47,795 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] [2024-11-16 08:39:47,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 08:39:47,795 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:47,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:47,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1914430470, now seen corresponding path program 1 times [2024-11-16 08:39:47,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:47,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118160159] [2024-11-16 08:39:47,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:47,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:47,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:47,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118160159] [2024-11-16 08:39:47,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118160159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:47,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:47,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:47,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575281730] [2024-11-16 08:39:47,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:47,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:47,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:47,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:47,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:47,991 INFO L87 Difference]: Start difference. First operand 230 states and 295 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) [2024-11-16 08:39:48,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:48,296 INFO L93 Difference]: Finished difference Result 385 states and 506 transitions. [2024-11-16 08:39:48,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:39:48,297 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 [2024-11-16 08:39:48,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:48,298 INFO L225 Difference]: With dead ends: 385 [2024-11-16 08:39:48,298 INFO L226 Difference]: Without dead ends: 378 [2024-11-16 08:39:48,299 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 [2024-11-16 08:39:48,299 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 373 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:48,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 708 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:39:48,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-16 08:39:48,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 230. [2024-11-16 08:39:48,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 227 states have (on average 1.2951541850220265) internal successors, (294), 229 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:48,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 294 transitions. [2024-11-16 08:39:48,305 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 294 transitions. Word has length 68 [2024-11-16 08:39:48,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:48,305 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 294 transitions. [2024-11-16 08:39:48,305 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) [2024-11-16 08:39:48,305 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 294 transitions. [2024-11-16 08:39:48,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-16 08:39:48,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:48,306 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] [2024-11-16 08:39:48,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 08:39:48,306 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:48,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:48,307 INFO L85 PathProgramCache]: Analyzing trace with hash -503351324, now seen corresponding path program 1 times [2024-11-16 08:39:48,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:48,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650923918] [2024-11-16 08:39:48,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:48,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:48,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:48,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:48,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650923918] [2024-11-16 08:39:48,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650923918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:48,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:48,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 08:39:48,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791643814] [2024-11-16 08:39:48,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:48,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 08:39:48,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:48,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 08:39:48,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:39:48,816 INFO L87 Difference]: Start difference. First operand 230 states and 294 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) [2024-11-16 08:39:49,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:49,387 INFO L93 Difference]: Finished difference Result 416 states and 557 transitions. [2024-11-16 08:39:49,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:39:49,388 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 [2024-11-16 08:39:49,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:49,389 INFO L225 Difference]: With dead ends: 416 [2024-11-16 08:39:49,389 INFO L226 Difference]: Without dead ends: 410 [2024-11-16 08:39:49,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2024-11-16 08:39:49,390 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 543 mSDsluCounter, 1555 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 1809 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:49,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 1809 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:49,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-16 08:39:49,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 242. [2024-11-16 08:39:49,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 239 states have (on average 1.297071129707113) internal successors, (310), 241 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:49,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 310 transitions. [2024-11-16 08:39:49,395 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 310 transitions. Word has length 70 [2024-11-16 08:39:49,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:49,395 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 310 transitions. [2024-11-16 08:39:49,395 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) [2024-11-16 08:39:49,395 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 310 transitions. [2024-11-16 08:39:49,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-16 08:39:49,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:49,396 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] [2024-11-16 08:39:49,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 08:39:49,397 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)] === [2024-11-16 08:39:49,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:49,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1714299622, now seen corresponding path program 1 times [2024-11-16 08:39:49,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:49,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24992037] [2024-11-16 08:39:49,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:49,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:50,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:50,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:50,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24992037] [2024-11-16 08:39:50,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24992037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:50,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:50,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-16 08:39:50,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625564451] [2024-11-16 08:39:50,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:50,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-16 08:39:50,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:50,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-16 08:39:50,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2024-11-16 08:39:50,502 INFO L87 Difference]: Start difference. First operand 242 states and 310 transitions. Second operand has 22 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 22 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) [2024-11-16 08:39:51,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:51,690 INFO L93 Difference]: Finished difference Result 260 states and 330 transitions. [2024-11-16 08:39:51,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-16 08:39:51,691 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 22 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 [2024-11-16 08:39:51,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:51,692 INFO L225 Difference]: With dead ends: 260 [2024-11-16 08:39:51,692 INFO L226 Difference]: Without dead ends: 252 [2024-11-16 08:39:51,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=274, Invalid=1286, Unknown=0, NotChecked=0, Total=1560 [2024-11-16 08:39:51,693 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 364 mSDsluCounter, 1735 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 1875 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:51,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 1875 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:39:51,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-16 08:39:51,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 251. [2024-11-16 08:39:51,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 248 states have (on average 1.2943548387096775) internal successors, (321), 250 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) [2024-11-16 08:39:51,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 321 transitions. [2024-11-16 08:39:51,698 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 321 transitions. Word has length 70 [2024-11-16 08:39:51,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:51,698 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 321 transitions. [2024-11-16 08:39:51,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 22 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) [2024-11-16 08:39:51,698 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 321 transitions. [2024-11-16 08:39:51,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-16 08:39:51,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:51,699 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] [2024-11-16 08:39:51,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 08:39:51,699 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:51,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:51,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1452294174, now seen corresponding path program 1 times [2024-11-16 08:39:51,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:51,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059844530] [2024-11-16 08:39:51,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:51,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:52,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:52,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059844530] [2024-11-16 08:39:52,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059844530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:52,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:52,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-16 08:39:52,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966208033] [2024-11-16 08:39:52,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:52,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 08:39:52,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:52,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 08:39:52,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-11-16 08:39:52,553 INFO L87 Difference]: Start difference. First operand 251 states and 321 transitions. Second operand has 17 states, 17 states have (on average 4.176470588235294) internal successors, (71), 17 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) [2024-11-16 08:39:53,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:53,921 INFO L93 Difference]: Finished difference Result 684 states and 920 transitions. [2024-11-16 08:39:53,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-16 08:39:53,921 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.176470588235294) internal successors, (71), 17 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 [2024-11-16 08:39:53,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:53,923 INFO L225 Difference]: With dead ends: 684 [2024-11-16 08:39:53,923 INFO L226 Difference]: Without dead ends: 672 [2024-11-16 08:39:53,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=214, Invalid=656, Unknown=0, NotChecked=0, Total=870 [2024-11-16 08:39:53,924 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 1251 mSDsluCounter, 2902 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 3224 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:53,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1251 Valid, 3224 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1085 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 08:39:53,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2024-11-16 08:39:53,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 247. [2024-11-16 08:39:53,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 244 states have (on average 1.290983606557377) internal successors, (315), 246 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:53,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 315 transitions. [2024-11-16 08:39:53,930 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 315 transitions. Word has length 71 [2024-11-16 08:39:53,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:53,931 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 315 transitions. [2024-11-16 08:39:53,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.176470588235294) internal successors, (71), 17 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) [2024-11-16 08:39:53,931 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 315 transitions. [2024-11-16 08:39:53,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-16 08:39:53,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:53,932 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, 1] [2024-11-16 08:39:53,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 08:39:53,932 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:53,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:53,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1411986653, now seen corresponding path program 1 times [2024-11-16 08:39:53,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:53,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874972181] [2024-11-16 08:39:53,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:53,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:54,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:54,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:54,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874972181] [2024-11-16 08:39:54,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874972181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:54,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:54,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 08:39:54,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169100177] [2024-11-16 08:39:54,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:54,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 08:39:54,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:54,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 08:39:54,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2024-11-16 08:39:54,696 INFO L87 Difference]: Start difference. First operand 247 states and 315 transitions. Second operand has 16 states, 16 states have (on average 4.4375) internal successors, (71), 16 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) [2024-11-16 08:39:55,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:55,802 INFO L93 Difference]: Finished difference Result 506 states and 677 transitions. [2024-11-16 08:39:55,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 08:39:55,803 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.4375) internal successors, (71), 16 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 [2024-11-16 08:39:55,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:55,804 INFO L225 Difference]: With dead ends: 506 [2024-11-16 08:39:55,804 INFO L226 Difference]: Without dead ends: 500 [2024-11-16 08:39:55,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=217, Invalid=713, Unknown=0, NotChecked=0, Total=930 [2024-11-16 08:39:55,805 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 888 mSDsluCounter, 2042 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 888 SdHoareTripleChecker+Valid, 2256 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:55,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [888 Valid, 2256 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:39:55,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-16 08:39:55,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 241. [2024-11-16 08:39:55,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 238 states have (on average 1.2857142857142858) internal successors, (306), 240 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:55,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 306 transitions. [2024-11-16 08:39:55,816 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 306 transitions. Word has length 71 [2024-11-16 08:39:55,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:55,816 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 306 transitions. [2024-11-16 08:39:55,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.4375) internal successors, (71), 16 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) [2024-11-16 08:39:55,817 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 306 transitions. [2024-11-16 08:39:55,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-16 08:39:55,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:55,818 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] [2024-11-16 08:39:55,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 08:39:55,818 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:55,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:55,818 INFO L85 PathProgramCache]: Analyzing trace with hash -230015372, now seen corresponding path program 1 times [2024-11-16 08:39:55,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:55,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843320060] [2024-11-16 08:39:55,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:55,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:56,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:56,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:56,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843320060] [2024-11-16 08:39:56,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843320060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:56,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:56,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 08:39:56,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636312542] [2024-11-16 08:39:56,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:56,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 08:39:56,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:56,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 08:39:56,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-16 08:39:56,435 INFO L87 Difference]: Start difference. First operand 241 states and 306 transitions. Second operand has 16 states, 16 states have (on average 4.4375) internal successors, (71), 16 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) [2024-11-16 08:39:56,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:56,990 INFO L93 Difference]: Finished difference Result 408 states and 532 transitions. [2024-11-16 08:39:56,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 08:39:56,990 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.4375) internal successors, (71), 16 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 [2024-11-16 08:39:56,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:56,992 INFO L225 Difference]: With dead ends: 408 [2024-11-16 08:39:56,992 INFO L226 Difference]: Without dead ends: 397 [2024-11-16 08:39:56,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=149, Invalid=663, Unknown=0, NotChecked=0, Total=812 [2024-11-16 08:39:56,993 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 194 mSDsluCounter, 2357 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 2609 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:56,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 2609 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:56,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-16 08:39:56,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 241. [2024-11-16 08:39:56,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 238 states have (on average 1.281512605042017) internal successors, (305), 240 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:56,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 305 transitions. [2024-11-16 08:39:56,997 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 305 transitions. Word has length 71 [2024-11-16 08:39:56,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:56,998 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 305 transitions. [2024-11-16 08:39:56,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.4375) internal successors, (71), 16 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) [2024-11-16 08:39:56,998 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 305 transitions. [2024-11-16 08:39:56,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-16 08:39:56,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:56,999 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] [2024-11-16 08:39:56,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-16 08:39:56,999 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:56,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:56,999 INFO L85 PathProgramCache]: Analyzing trace with hash 820009649, now seen corresponding path program 1 times [2024-11-16 08:39:57,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:57,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490672641] [2024-11-16 08:39:57,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:57,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:57,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:57,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:57,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490672641] [2024-11-16 08:39:57,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490672641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:57,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:57,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 08:39:57,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734930151] [2024-11-16 08:39:57,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:57,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 08:39:57,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:57,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 08:39:57,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:39:57,405 INFO L87 Difference]: Start difference. First operand 241 states and 305 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) [2024-11-16 08:39:57,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:57,852 INFO L93 Difference]: Finished difference Result 397 states and 520 transitions. [2024-11-16 08:39:57,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:39:57,853 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 [2024-11-16 08:39:57,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:57,854 INFO L225 Difference]: With dead ends: 397 [2024-11-16 08:39:57,854 INFO L226 Difference]: Without dead ends: 386 [2024-11-16 08:39:57,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-16 08:39:57,855 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 622 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 1449 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:57,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 1449 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:39:57,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-16 08:39:57,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 224. [2024-11-16 08:39:57,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 222 states have (on average 1.2927927927927927) internal successors, (287), 223 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:57,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 287 transitions. [2024-11-16 08:39:57,858 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 287 transitions. Word has length 71 [2024-11-16 08:39:57,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:57,859 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 287 transitions. [2024-11-16 08:39:57,859 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) [2024-11-16 08:39:57,859 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 287 transitions. [2024-11-16 08:39:57,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-16 08:39:57,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:57,859 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] [2024-11-16 08:39:57,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-16 08:39:57,860 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:57,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:57,860 INFO L85 PathProgramCache]: Analyzing trace with hash -541198734, now seen corresponding path program 1 times [2024-11-16 08:39:57,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:57,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390627197] [2024-11-16 08:39:57,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:57,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:58,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:58,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:58,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390627197] [2024-11-16 08:39:58,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390627197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:58,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:58,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 08:39:58,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923014776] [2024-11-16 08:39:58,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:58,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 08:39:58,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:58,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 08:39:58,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2024-11-16 08:39:58,502 INFO L87 Difference]: Start difference. First operand 224 states and 287 transitions. Second operand has 16 states, 16 states have (on average 4.5) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:59,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:59,492 INFO L93 Difference]: Finished difference Result 482 states and 651 transitions. [2024-11-16 08:39:59,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 08:39:59,493 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.5) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-16 08:39:59,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:59,494 INFO L225 Difference]: With dead ends: 482 [2024-11-16 08:39:59,494 INFO L226 Difference]: Without dead ends: 476 [2024-11-16 08:39:59,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=244, Invalid=878, Unknown=0, NotChecked=0, Total=1122 [2024-11-16 08:39:59,494 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 760 mSDsluCounter, 1800 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 2015 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:59,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 2015 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:39:59,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-11-16 08:39:59,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 212. [2024-11-16 08:39:59,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 211 states have (on average 1.2938388625592416) internal successors, (273), 211 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:59,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 273 transitions. [2024-11-16 08:39:59,499 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 273 transitions. Word has length 72 [2024-11-16 08:39:59,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:59,499 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 273 transitions. [2024-11-16 08:39:59,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.5) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:59,500 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 273 transitions. [2024-11-16 08:39:59,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-16 08:39:59,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:59,501 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] [2024-11-16 08:39:59,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-16 08:39:59,501 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)] === [2024-11-16 08:39:59,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:59,502 INFO L85 PathProgramCache]: Analyzing trace with hash -445917332, now seen corresponding path program 1 times [2024-11-16 08:39:59,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:59,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948475678] [2024-11-16 08:39:59,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:59,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:59,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:59,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:59,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948475678] [2024-11-16 08:39:59,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948475678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:59,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:59,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:39:59,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010545328] [2024-11-16 08:39:59,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:59,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:39:59,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:59,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:39:59,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:39:59,613 INFO L87 Difference]: Start difference. First operand 212 states and 273 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) [2024-11-16 08:39:59,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:59,738 INFO L93 Difference]: Finished difference Result 1108 states and 1585 transitions. [2024-11-16 08:39:59,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:39:59,739 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 [2024-11-16 08:39:59,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:59,742 INFO L225 Difference]: With dead ends: 1108 [2024-11-16 08:39:59,742 INFO L226 Difference]: Without dead ends: 996 [2024-11-16 08:39:59,742 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 [2024-11-16 08:39:59,743 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 792 mSDsluCounter, 1214 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 1393 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:59,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 1393 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:39:59,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2024-11-16 08:39:59,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 322. [2024-11-16 08:39:59,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 321 states have (on average 1.3457943925233644) internal successors, (432), 321 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 432 transitions. [2024-11-16 08:39:59,751 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 432 transitions. Word has length 93 [2024-11-16 08:39:59,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:59,751 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 432 transitions. [2024-11-16 08:39:59,751 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) [2024-11-16 08:39:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 432 transitions. [2024-11-16 08:39:59,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-16 08:39:59,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:59,753 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] [2024-11-16 08:39:59,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-16 08:39:59,753 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)] === [2024-11-16 08:39:59,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:59,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1973812888, now seen corresponding path program 1 times [2024-11-16 08:39:59,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:59,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365555707] [2024-11-16 08:39:59,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:59,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:59,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:59,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:59,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365555707] [2024-11-16 08:39:59,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365555707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:59,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:59,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:39:59,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357925133] [2024-11-16 08:39:59,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:59,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:39:59,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:59,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:39:59,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:39:59,864 INFO L87 Difference]: Start difference. First operand 322 states and 432 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) [2024-11-16 08:39:59,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:59,957 INFO L93 Difference]: Finished difference Result 1322 states and 1884 transitions. [2024-11-16 08:39:59,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:39:59,957 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 [2024-11-16 08:39:59,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:59,960 INFO L225 Difference]: With dead ends: 1322 [2024-11-16 08:39:59,960 INFO L226 Difference]: Without dead ends: 1100 [2024-11-16 08:39:59,961 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 [2024-11-16 08:39:59,962 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 590 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:59,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 885 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:39:59,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2024-11-16 08:39:59,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 542. [2024-11-16 08:39:59,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 541 states have (on average 1.390018484288355) internal successors, (752), 541 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 752 transitions. [2024-11-16 08:39:59,973 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 752 transitions. Word has length 95 [2024-11-16 08:39:59,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:59,973 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 752 transitions. [2024-11-16 08:39:59,974 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) [2024-11-16 08:39:59,974 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 752 transitions. [2024-11-16 08:39:59,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-16 08:39:59,975 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:59,975 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] [2024-11-16 08:39:59,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-16 08:39:59,975 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)] === [2024-11-16 08:39:59,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:59,976 INFO L85 PathProgramCache]: Analyzing trace with hash -2110165752, now seen corresponding path program 1 times [2024-11-16 08:39:59,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:59,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219602810] [2024-11-16 08:39:59,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:59,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:00,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:00,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:00,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219602810] [2024-11-16 08:40:00,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219602810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:00,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:00,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:00,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904735751] [2024-11-16 08:40:00,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:00,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:40:00,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:00,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:40:00,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:40:00,094 INFO L87 Difference]: Start difference. First operand 542 states and 752 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) [2024-11-16 08:40:00,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:00,156 INFO L93 Difference]: Finished difference Result 1542 states and 2204 transitions. [2024-11-16 08:40:00,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:40:00,157 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 [2024-11-16 08:40:00,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:00,159 INFO L225 Difference]: With dead ends: 1542 [2024-11-16 08:40:00,159 INFO L226 Difference]: Without dead ends: 1320 [2024-11-16 08:40:00,160 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 [2024-11-16 08:40:00,160 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 591 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:00,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 804 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:00,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2024-11-16 08:40:00,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 872. [2024-11-16 08:40:00,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 871 states have (on average 1.4133180252583237) internal successors, (1231), 871 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:00,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1231 transitions. [2024-11-16 08:40:00,174 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1231 transitions. Word has length 95 [2024-11-16 08:40:00,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:00,175 INFO L471 AbstractCegarLoop]: Abstraction has 872 states and 1231 transitions. [2024-11-16 08:40:00,175 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) [2024-11-16 08:40:00,175 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1231 transitions. [2024-11-16 08:40:00,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-16 08:40:00,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:00,177 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] [2024-11-16 08:40:00,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-16 08:40:00,177 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)] === [2024-11-16 08:40:00,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:00,178 INFO L85 PathProgramCache]: Analyzing trace with hash -186668888, now seen corresponding path program 1 times [2024-11-16 08:40:00,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:00,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079963028] [2024-11-16 08:40:00,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:00,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:00,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:00,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:00,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079963028] [2024-11-16 08:40:00,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079963028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:00,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:00,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:00,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759420535] [2024-11-16 08:40:00,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:00,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:40:00,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:00,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:40:00,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:40:00,311 INFO L87 Difference]: Start difference. First operand 872 states and 1231 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) [2024-11-16 08:40:00,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:00,372 INFO L93 Difference]: Finished difference Result 1762 states and 2524 transitions. [2024-11-16 08:40:00,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:40:00,373 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 [2024-11-16 08:40:00,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:00,377 INFO L225 Difference]: With dead ends: 1762 [2024-11-16 08:40:00,377 INFO L226 Difference]: Without dead ends: 1540 [2024-11-16 08:40:00,377 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 [2024-11-16 08:40:00,378 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 631 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:00,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 780 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:00,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2024-11-16 08:40:00,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1092. [2024-11-16 08:40:00,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 1091 states have (on average 1.4216315307057745) internal successors, (1551), 1091 states have internal predecessors, (1551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:00,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1551 transitions. [2024-11-16 08:40:00,393 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1551 transitions. Word has length 95 [2024-11-16 08:40:00,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:00,393 INFO L471 AbstractCegarLoop]: Abstraction has 1092 states and 1551 transitions. [2024-11-16 08:40:00,393 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) [2024-11-16 08:40:00,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1551 transitions. [2024-11-16 08:40:00,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-16 08:40:00,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:00,395 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] [2024-11-16 08:40:00,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-16 08:40:00,395 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)] === [2024-11-16 08:40:00,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:00,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1983165512, now seen corresponding path program 1 times [2024-11-16 08:40:00,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:00,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716225182] [2024-11-16 08:40:00,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:00,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:00,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:00,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:00,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716225182] [2024-11-16 08:40:00,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716225182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:00,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:00,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:00,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247033234] [2024-11-16 08:40:00,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:00,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:40:00,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:00,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:40:00,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:40:00,516 INFO L87 Difference]: Start difference. First operand 1092 states and 1551 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) [2024-11-16 08:40:00,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:00,603 INFO L93 Difference]: Finished difference Result 1982 states and 2844 transitions. [2024-11-16 08:40:00,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:40:00,604 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 [2024-11-16 08:40:00,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:00,608 INFO L225 Difference]: With dead ends: 1982 [2024-11-16 08:40:00,608 INFO L226 Difference]: Without dead ends: 1760 [2024-11-16 08:40:00,609 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 [2024-11-16 08:40:00,609 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 609 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:00,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 830 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:40:00,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2024-11-16 08:40:00,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1312. [2024-11-16 08:40:00,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1311 states have (on average 1.4271548436308161) internal successors, (1871), 1311 states have internal predecessors, (1871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:00,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1871 transitions. [2024-11-16 08:40:00,627 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 1871 transitions. Word has length 95 [2024-11-16 08:40:00,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:00,627 INFO L471 AbstractCegarLoop]: Abstraction has 1312 states and 1871 transitions. [2024-11-16 08:40:00,627 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) [2024-11-16 08:40:00,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1871 transitions. [2024-11-16 08:40:00,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-16 08:40:00,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:00,629 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] [2024-11-16 08:40:00,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-16 08:40:00,629 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)] === [2024-11-16 08:40:00,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:00,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1737731776, now seen corresponding path program 1 times [2024-11-16 08:40:00,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:00,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450989019] [2024-11-16 08:40:00,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:00,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:00,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:00,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:00,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450989019] [2024-11-16 08:40:00,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450989019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:00,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:00,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:00,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126717339] [2024-11-16 08:40:00,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:00,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:40:00,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:00,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:40:00,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:40:00,807 INFO L87 Difference]: Start difference. First operand 1312 states and 1871 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 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) [2024-11-16 08:40:00,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:00,885 INFO L93 Difference]: Finished difference Result 2526 states and 3634 transitions. [2024-11-16 08:40:00,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:40:00,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 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 [2024-11-16 08:40:00,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:00,888 INFO L225 Difference]: With dead ends: 2526 [2024-11-16 08:40:00,888 INFO L226 Difference]: Without dead ends: 1314 [2024-11-16 08:40:00,890 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 [2024-11-16 08:40:00,890 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 276 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:00,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 397 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:00,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2024-11-16 08:40:00,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1312. [2024-11-16 08:40:00,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1311 states have (on average 1.418001525553013) internal successors, (1859), 1311 states have internal predecessors, (1859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:00,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1859 transitions. [2024-11-16 08:40:00,908 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 1859 transitions. Word has length 96 [2024-11-16 08:40:00,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:00,909 INFO L471 AbstractCegarLoop]: Abstraction has 1312 states and 1859 transitions. [2024-11-16 08:40:00,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 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) [2024-11-16 08:40:00,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1859 transitions. [2024-11-16 08:40:00,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-16 08:40:00,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:00,911 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] [2024-11-16 08:40:00,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-16 08:40:00,911 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)] === [2024-11-16 08:40:00,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:00,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1538979836, now seen corresponding path program 1 times [2024-11-16 08:40:00,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:00,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343731244] [2024-11-16 08:40:00,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:00,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:01,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:01,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:01,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343731244] [2024-11-16 08:40:01,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343731244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:01,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:01,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:01,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58111837] [2024-11-16 08:40:01,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:01,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:40:01,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:01,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:40:01,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:40:01,032 INFO L87 Difference]: Start difference. First operand 1312 states and 1859 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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) [2024-11-16 08:40:01,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:01,204 INFO L93 Difference]: Finished difference Result 3758 states and 5381 transitions. [2024-11-16 08:40:01,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:40:01,205 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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 [2024-11-16 08:40:01,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:01,210 INFO L225 Difference]: With dead ends: 3758 [2024-11-16 08:40:01,210 INFO L226 Difference]: Without dead ends: 2546 [2024-11-16 08:40:01,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:40:01,213 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 758 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:01,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 281 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:40:01,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2024-11-16 08:40:01,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 1730. [2024-11-16 08:40:01,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1730 states, 1729 states have (on average 1.3932909196067091) internal successors, (2409), 1729 states have internal predecessors, (2409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:01,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1730 states and 2409 transitions. [2024-11-16 08:40:01,236 INFO L78 Accepts]: Start accepts. Automaton has 1730 states and 2409 transitions. Word has length 97 [2024-11-16 08:40:01,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:01,236 INFO L471 AbstractCegarLoop]: Abstraction has 1730 states and 2409 transitions. [2024-11-16 08:40:01,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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) [2024-11-16 08:40:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2409 transitions. [2024-11-16 08:40:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-16 08:40:01,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:01,238 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:01,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-16 08:40:01,238 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)] === [2024-11-16 08:40:01,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:01,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1801566396, now seen corresponding path program 1 times [2024-11-16 08:40:01,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:01,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734432826] [2024-11-16 08:40:01,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:01,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:01,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:01,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734432826] [2024-11-16 08:40:01,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734432826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:01,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:01,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:01,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012439974] [2024-11-16 08:40:01,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:01,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:40:01,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:01,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:40:01,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:40:01,363 INFO L87 Difference]: Start difference. First operand 1730 states and 2409 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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) [2024-11-16 08:40:01,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:01,539 INFO L93 Difference]: Finished difference Result 6354 states and 9033 transitions. [2024-11-16 08:40:01,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:40:01,540 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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 [2024-11-16 08:40:01,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:01,550 INFO L225 Difference]: With dead ends: 6354 [2024-11-16 08:40:01,550 INFO L226 Difference]: Without dead ends: 4724 [2024-11-16 08:40:01,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:40:01,553 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 955 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:01,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 312 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:40:01,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4724 states. [2024-11-16 08:40:01,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4724 to 3578. [2024-11-16 08:40:01,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3578 states, 3577 states have (on average 1.4022924238188426) internal successors, (5016), 3577 states have internal predecessors, (5016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:01,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 3578 states and 5016 transitions. [2024-11-16 08:40:01,597 INFO L78 Accepts]: Start accepts. Automaton has 3578 states and 5016 transitions. Word has length 97 [2024-11-16 08:40:01,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:01,598 INFO L471 AbstractCegarLoop]: Abstraction has 3578 states and 5016 transitions. [2024-11-16 08:40:01,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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) [2024-11-16 08:40:01,598 INFO L276 IsEmpty]: Start isEmpty. Operand 3578 states and 5016 transitions. [2024-11-16 08:40:01,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-16 08:40:01,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:01,600 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] [2024-11-16 08:40:01,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-16 08:40:01,600 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)] === [2024-11-16 08:40:01,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:01,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2012817028, now seen corresponding path program 1 times [2024-11-16 08:40:01,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:01,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577393793] [2024-11-16 08:40:01,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:01,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:01,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:01,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577393793] [2024-11-16 08:40:01,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577393793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:01,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:01,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:01,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378947177] [2024-11-16 08:40:01,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:01,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:40:01,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:01,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:40:01,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:40:01,717 INFO L87 Difference]: Start difference. First operand 3578 states and 5016 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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) [2024-11-16 08:40:01,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:01,906 INFO L93 Difference]: Finished difference Result 12382 states and 17558 transitions. [2024-11-16 08:40:01,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:40:01,907 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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 [2024-11-16 08:40:01,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:01,930 INFO L225 Difference]: With dead ends: 12382 [2024-11-16 08:40:01,931 INFO L226 Difference]: Without dead ends: 8904 [2024-11-16 08:40:01,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:40:01,937 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 868 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:01,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [868 Valid, 311 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:40:01,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8904 states. [2024-11-16 08:40:02,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8904 to 7494. [2024-11-16 08:40:02,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7494 states, 7493 states have (on average 1.406379287334846) internal successors, (10538), 7493 states have internal predecessors, (10538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:02,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7494 states to 7494 states and 10538 transitions. [2024-11-16 08:40:02,065 INFO L78 Accepts]: Start accepts. Automaton has 7494 states and 10538 transitions. Word has length 97 [2024-11-16 08:40:02,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:02,065 INFO L471 AbstractCegarLoop]: Abstraction has 7494 states and 10538 transitions. [2024-11-16 08:40:02,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 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) [2024-11-16 08:40:02,065 INFO L276 IsEmpty]: Start isEmpty. Operand 7494 states and 10538 transitions. [2024-11-16 08:40:02,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-16 08:40:02,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:02,067 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] [2024-11-16 08:40:02,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-16 08:40:02,067 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)] === [2024-11-16 08:40:02,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:02,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1460270820, now seen corresponding path program 1 times [2024-11-16 08:40:02,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:02,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534125089] [2024-11-16 08:40:02,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:02,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:02,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:02,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534125089] [2024-11-16 08:40:02,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534125089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:02,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:02,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:02,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653254419] [2024-11-16 08:40:02,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:02,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:40:02,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:02,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:40:02,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:40:02,191 INFO L87 Difference]: Start difference. First operand 7494 states and 10538 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 6 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) [2024-11-16 08:40:02,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:02,386 INFO L93 Difference]: Finished difference Result 24042 states and 34036 transitions. [2024-11-16 08:40:02,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:40:02,388 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 6 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 [2024-11-16 08:40:02,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:02,416 INFO L225 Difference]: With dead ends: 24042 [2024-11-16 08:40:02,416 INFO L226 Difference]: Without dead ends: 16648 [2024-11-16 08:40:02,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:40:02,427 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 781 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:02,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 310 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:40:02,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16648 states. [2024-11-16 08:40:02,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16648 to 15766. [2024-11-16 08:40:02,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15766 states, 15765 states have (on average 1.408055819854107) internal successors, (22198), 15765 states have internal predecessors, (22198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:02,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15766 states to 15766 states and 22198 transitions. [2024-11-16 08:40:02,630 INFO L78 Accepts]: Start accepts. Automaton has 15766 states and 22198 transitions. Word has length 98 [2024-11-16 08:40:02,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:02,630 INFO L471 AbstractCegarLoop]: Abstraction has 15766 states and 22198 transitions. [2024-11-16 08:40:02,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 6 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) [2024-11-16 08:40:02,631 INFO L276 IsEmpty]: Start isEmpty. Operand 15766 states and 22198 transitions. [2024-11-16 08:40:02,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-16 08:40:02,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:02,632 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] [2024-11-16 08:40:02,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-16 08:40:02,633 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)] === [2024-11-16 08:40:02,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:02,633 INFO L85 PathProgramCache]: Analyzing trace with hash -804724733, now seen corresponding path program 1 times [2024-11-16 08:40:02,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:02,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218175601] [2024-11-16 08:40:02,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:02,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:02,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:02,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:02,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218175601] [2024-11-16 08:40:02,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218175601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:02,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:02,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:40:02,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955891057] [2024-11-16 08:40:02,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:02,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:40:02,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:02,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:40:02,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:40:02,680 INFO L87 Difference]: Start difference. First operand 15766 states and 22198 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) [2024-11-16 08:40:02,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:02,843 INFO L93 Difference]: Finished difference Result 40194 states and 56248 transitions. [2024-11-16 08:40:02,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:40:02,844 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 [2024-11-16 08:40:02,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:02,886 INFO L225 Difference]: With dead ends: 40194 [2024-11-16 08:40:02,886 INFO L226 Difference]: Without dead ends: 24528 [2024-11-16 08:40:02,905 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 [2024-11-16 08:40:02,906 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 69 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 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 [2024-11-16 08:40:02,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 368 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:02,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24528 states. [2024-11-16 08:40:03,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24528 to 24526. [2024-11-16 08:40:03,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24526 states, 24525 states have (on average 1.3712538226299693) internal successors, (33630), 24525 states have internal predecessors, (33630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:03,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24526 states to 24526 states and 33630 transitions. [2024-11-16 08:40:03,193 INFO L78 Accepts]: Start accepts. Automaton has 24526 states and 33630 transitions. Word has length 98 [2024-11-16 08:40:03,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:03,194 INFO L471 AbstractCegarLoop]: Abstraction has 24526 states and 33630 transitions. [2024-11-16 08:40:03,194 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) [2024-11-16 08:40:03,194 INFO L276 IsEmpty]: Start isEmpty. Operand 24526 states and 33630 transitions. [2024-11-16 08:40:03,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-16 08:40:03,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:03,196 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] [2024-11-16 08:40:03,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-16 08:40:03,196 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)] === [2024-11-16 08:40:03,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:03,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1119589830, now seen corresponding path program 1 times [2024-11-16 08:40:03,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:03,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316486790] [2024-11-16 08:40:03,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:03,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:03,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:03,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:03,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316486790] [2024-11-16 08:40:03,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316486790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:03,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:03,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:40:03,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616245683] [2024-11-16 08:40:03,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:03,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:40:03,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:03,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:40:03,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:40:03,345 INFO L87 Difference]: Start difference. First operand 24526 states and 33630 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) [2024-11-16 08:40:03,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:03,443 INFO L93 Difference]: Finished difference Result 47986 states and 65656 transitions. [2024-11-16 08:40:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:40:03,443 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 [2024-11-16 08:40:03,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:03,475 INFO L225 Difference]: With dead ends: 47986 [2024-11-16 08:40:03,475 INFO L226 Difference]: Without dead ends: 23560 [2024-11-16 08:40:03,499 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 [2024-11-16 08:40:03,499 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 81 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 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 [2024-11-16 08:40:03,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 343 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:03,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23560 states. [2024-11-16 08:40:03,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23560 to 21214. [2024-11-16 08:40:03,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21214 states, 21213 states have (on average 1.3688775750718898) internal successors, (29038), 21213 states have internal predecessors, (29038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:03,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21214 states to 21214 states and 29038 transitions. [2024-11-16 08:40:03,746 INFO L78 Accepts]: Start accepts. Automaton has 21214 states and 29038 transitions. Word has length 99 [2024-11-16 08:40:03,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:03,747 INFO L471 AbstractCegarLoop]: Abstraction has 21214 states and 29038 transitions. [2024-11-16 08:40:03,747 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) [2024-11-16 08:40:03,747 INFO L276 IsEmpty]: Start isEmpty. Operand 21214 states and 29038 transitions. [2024-11-16 08:40:03,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 08:40:03,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:03,748 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] [2024-11-16 08:40:03,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-16 08:40:03,749 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:03,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:03,749 INFO L85 PathProgramCache]: Analyzing trace with hash 536147520, now seen corresponding path program 1 times [2024-11-16 08:40:03,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:03,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540447363] [2024-11-16 08:40:03,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:03,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:03,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:03,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540447363] [2024-11-16 08:40:03,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540447363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:03,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:03,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:40:03,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995481501] [2024-11-16 08:40:03,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:03,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:40:03,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:03,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:40:03,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:40:03,811 INFO L87 Difference]: Start difference. First operand 21214 states and 29038 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) [2024-11-16 08:40:03,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:03,952 INFO L93 Difference]: Finished difference Result 42986 states and 58888 transitions. [2024-11-16 08:40:03,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:40:03,953 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 [2024-11-16 08:40:03,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:03,985 INFO L225 Difference]: With dead ends: 42986 [2024-11-16 08:40:03,985 INFO L226 Difference]: Without dead ends: 21872 [2024-11-16 08:40:04,005 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 [2024-11-16 08:40:04,006 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 93 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 268 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 [2024-11-16 08:40:04,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 268 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:04,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21872 states. [2024-11-16 08:40:04,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21872 to 21870. [2024-11-16 08:40:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21870 states, 21869 states have (on average 1.3552517261877544) internal successors, (29638), 21869 states have internal predecessors, (29638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21870 states to 21870 states and 29638 transitions. [2024-11-16 08:40:04,332 INFO L78 Accepts]: Start accepts. Automaton has 21870 states and 29638 transitions. Word has length 100 [2024-11-16 08:40:04,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:04,334 INFO L471 AbstractCegarLoop]: Abstraction has 21870 states and 29638 transitions. [2024-11-16 08:40:04,335 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) [2024-11-16 08:40:04,335 INFO L276 IsEmpty]: Start isEmpty. Operand 21870 states and 29638 transitions. [2024-11-16 08:40:04,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 08:40:04,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:04,336 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] [2024-11-16 08:40:04,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-16 08:40:04,337 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:04,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:04,338 INFO L85 PathProgramCache]: Analyzing trace with hash -107453634, now seen corresponding path program 1 times [2024-11-16 08:40:04,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:04,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877897033] [2024-11-16 08:40:04,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:04,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:04,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:04,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:04,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877897033] [2024-11-16 08:40:04,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877897033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:04,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:04,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:40:04,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846621407] [2024-11-16 08:40:04,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:04,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:40:04,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:04,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:40:04,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:40:04,434 INFO L87 Difference]: Start difference. First operand 21870 states and 29638 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) [2024-11-16 08:40:04,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:04,529 INFO L93 Difference]: Finished difference Result 42142 states and 56896 transitions. [2024-11-16 08:40:04,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:40:04,530 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 [2024-11-16 08:40:04,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:04,557 INFO L225 Difference]: With dead ends: 42142 [2024-11-16 08:40:04,557 INFO L226 Difference]: Without dead ends: 20372 [2024-11-16 08:40:04,576 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 [2024-11-16 08:40:04,577 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 74 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 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 [2024-11-16 08:40:04,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 342 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:04,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20372 states. [2024-11-16 08:40:04,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20372 to 19818. [2024-11-16 08:40:04,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19818 states, 19817 states have (on average 1.3346116970278044) internal successors, (26448), 19817 states have internal predecessors, (26448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:04,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19818 states to 19818 states and 26448 transitions. [2024-11-16 08:40:04,842 INFO L78 Accepts]: Start accepts. Automaton has 19818 states and 26448 transitions. Word has length 100 [2024-11-16 08:40:04,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:04,842 INFO L471 AbstractCegarLoop]: Abstraction has 19818 states and 26448 transitions. [2024-11-16 08:40:04,842 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) [2024-11-16 08:40:04,843 INFO L276 IsEmpty]: Start isEmpty. Operand 19818 states and 26448 transitions. [2024-11-16 08:40:04,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-16 08:40:04,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:04,843 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, 1] [2024-11-16 08:40:04,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-16 08:40:04,843 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:04,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:04,844 INFO L85 PathProgramCache]: Analyzing trace with hash -129977935, now seen corresponding path program 1 times [2024-11-16 08:40:04,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:04,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809727728] [2024-11-16 08:40:04,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:04,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:04,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:04,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:04,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809727728] [2024-11-16 08:40:04,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809727728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:04,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:04,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:40:04,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282318222] [2024-11-16 08:40:04,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:04,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:40:04,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:04,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:40:04,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:40:04,937 INFO L87 Difference]: Start difference. First operand 19818 states and 26448 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:05,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:05,022 INFO L93 Difference]: Finished difference Result 38110 states and 50612 transitions. [2024-11-16 08:40:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:40:05,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2024-11-16 08:40:05,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:05,044 INFO L225 Difference]: With dead ends: 38110 [2024-11-16 08:40:05,046 INFO L226 Difference]: Without dead ends: 18392 [2024-11-16 08:40:05,061 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 [2024-11-16 08:40:05,062 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 67 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 344 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 [2024-11-16 08:40:05,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 344 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:05,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18392 states. [2024-11-16 08:40:05,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18392 to 17982. [2024-11-16 08:40:05,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17982 states, 17981 states have (on average 1.3120516100328123) internal successors, (23592), 17981 states have internal predecessors, (23592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:05,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17982 states to 17982 states and 23592 transitions. [2024-11-16 08:40:05,241 INFO L78 Accepts]: Start accepts. Automaton has 17982 states and 23592 transitions. Word has length 101 [2024-11-16 08:40:05,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:05,241 INFO L471 AbstractCegarLoop]: Abstraction has 17982 states and 23592 transitions. [2024-11-16 08:40:05,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:05,242 INFO L276 IsEmpty]: Start isEmpty. Operand 17982 states and 23592 transitions. [2024-11-16 08:40:05,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-16 08:40:05,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:05,242 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, 1, 1] [2024-11-16 08:40:05,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-16 08:40:05,243 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:05,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:05,243 INFO L85 PathProgramCache]: Analyzing trace with hash -162746421, now seen corresponding path program 1 times [2024-11-16 08:40:05,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:05,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019620178] [2024-11-16 08:40:05,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:05,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:05,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:05,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:05,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019620178] [2024-11-16 08:40:05,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019620178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:05,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:05,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:40:05,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696474263] [2024-11-16 08:40:05,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:05,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:40:05,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:05,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:40:05,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:40:05,349 INFO L87 Difference]: Start difference. First operand 17982 states and 23592 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:05,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:05,478 INFO L93 Difference]: Finished difference Result 46242 states and 60790 transitions. [2024-11-16 08:40:05,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:40:05,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2024-11-16 08:40:05,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:05,504 INFO L225 Difference]: With dead ends: 46242 [2024-11-16 08:40:05,504 INFO L226 Difference]: Without dead ends: 28360 [2024-11-16 08:40:05,519 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 [2024-11-16 08:40:05,519 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 55 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 344 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 [2024-11-16 08:40:05,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 344 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:05,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28360 states. [2024-11-16 08:40:05,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28360 to 26454. [2024-11-16 08:40:05,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26454 states, 26453 states have (on average 1.307450950742827) internal successors, (34586), 26453 states have internal predecessors, (34586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:05,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26454 states to 26454 states and 34586 transitions. [2024-11-16 08:40:05,753 INFO L78 Accepts]: Start accepts. Automaton has 26454 states and 34586 transitions. Word has length 102 [2024-11-16 08:40:05,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:05,753 INFO L471 AbstractCegarLoop]: Abstraction has 26454 states and 34586 transitions. [2024-11-16 08:40:05,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:05,753 INFO L276 IsEmpty]: Start isEmpty. Operand 26454 states and 34586 transitions. [2024-11-16 08:40:05,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-16 08:40:05,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:05,754 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, 1, 1, 1] [2024-11-16 08:40:05,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-16 08:40:05,754 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:05,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:05,755 INFO L85 PathProgramCache]: Analyzing trace with hash -91024994, now seen corresponding path program 1 times [2024-11-16 08:40:05,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:05,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718832010] [2024-11-16 08:40:05,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:05,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:05,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:05,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:05,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718832010] [2024-11-16 08:40:05,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718832010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:05,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:05,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:05,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985856850] [2024-11-16 08:40:05,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:05,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:40:05,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:05,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:40:05,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:40:05,982 INFO L87 Difference]: Start difference. First operand 26454 states and 34586 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:06,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:06,131 INFO L93 Difference]: Finished difference Result 27256 states and 35547 transitions. [2024-11-16 08:40:06,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:40:06,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2024-11-16 08:40:06,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:06,156 INFO L225 Difference]: With dead ends: 27256 [2024-11-16 08:40:06,156 INFO L226 Difference]: Without dead ends: 27254 [2024-11-16 08:40:06,160 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 [2024-11-16 08:40:06,160 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 778 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 [2024-11-16 08:40:06,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 778 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:06,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27254 states. [2024-11-16 08:40:06,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27254 to 27254. [2024-11-16 08:40:06,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27254 states, 27253 states have (on average 1.2913807654203207) internal successors, (35194), 27253 states have internal predecessors, (35194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:06,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27254 states to 27254 states and 35194 transitions. [2024-11-16 08:40:06,368 INFO L78 Accepts]: Start accepts. Automaton has 27254 states and 35194 transitions. Word has length 103 [2024-11-16 08:40:06,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:06,368 INFO L471 AbstractCegarLoop]: Abstraction has 27254 states and 35194 transitions. [2024-11-16 08:40:06,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:06,368 INFO L276 IsEmpty]: Start isEmpty. Operand 27254 states and 35194 transitions. [2024-11-16 08:40:06,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-16 08:40:06,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:06,372 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, 1] [2024-11-16 08:40:06,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-16 08:40:06,372 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:06,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:06,372 INFO L85 PathProgramCache]: Analyzing trace with hash -240687355, now seen corresponding path program 1 times [2024-11-16 08:40:06,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:06,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574841145] [2024-11-16 08:40:06,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:06,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:07,024 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:07,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:07,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574841145] [2024-11-16 08:40:07,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574841145] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:40:07,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921388960] [2024-11-16 08:40:07,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:07,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:40:07,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:40:07,027 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) [2024-11-16 08:40:07,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 08:40:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:07,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-16 08:40:07,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:40:08,267 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:08,268 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:40:09,059 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:09,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921388960] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:40:09,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:40:09,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 9] total 28 [2024-11-16 08:40:09,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96906472] [2024-11-16 08:40:09,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:40:09,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-16 08:40:09,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:09,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-16 08:40:09,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=674, Unknown=0, NotChecked=0, Total=756 [2024-11-16 08:40:09,063 INFO L87 Difference]: Start difference. First operand 27254 states and 35194 transitions. Second operand has 28 states, 28 states have (on average 12.75) internal successors, (357), 28 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:15,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:15,398 INFO L93 Difference]: Finished difference Result 235736 states and 304957 transitions. [2024-11-16 08:40:15,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2024-11-16 08:40:15,398 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 12.75) internal successors, (357), 28 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2024-11-16 08:40:15,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:15,638 INFO L225 Difference]: With dead ends: 235736 [2024-11-16 08:40:15,638 INFO L226 Difference]: Without dead ends: 208582 [2024-11-16 08:40:15,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6070 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=3006, Invalid=16734, Unknown=0, NotChecked=0, Total=19740 [2024-11-16 08:40:15,676 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 5156 mSDsluCounter, 1850 mSDsCounter, 0 mSdLazyCounter, 2582 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5156 SdHoareTripleChecker+Valid, 2001 SdHoareTripleChecker+Invalid, 2676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 2582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:15,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5156 Valid, 2001 Invalid, 2676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 2582 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 08:40:16,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208582 states. [2024-11-16 08:40:17,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208582 to 137020. [2024-11-16 08:40:17,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137020 states, 137019 states have (on average 1.2839533203424343) internal successors, (175926), 137019 states have internal predecessors, (175926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:18,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137020 states to 137020 states and 175926 transitions. [2024-11-16 08:40:18,170 INFO L78 Accepts]: Start accepts. Automaton has 137020 states and 175926 transitions. Word has length 131 [2024-11-16 08:40:18,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:18,170 INFO L471 AbstractCegarLoop]: Abstraction has 137020 states and 175926 transitions. [2024-11-16 08:40:18,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 12.75) internal successors, (357), 28 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:18,170 INFO L276 IsEmpty]: Start isEmpty. Operand 137020 states and 175926 transitions. [2024-11-16 08:40:18,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-16 08:40:18,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:18,180 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:18,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 08:40:18,381 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,SelfDestructingSolverStorable47 [2024-11-16 08:40:18,381 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:18,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:18,382 INFO L85 PathProgramCache]: Analyzing trace with hash -290259107, now seen corresponding path program 1 times [2024-11-16 08:40:18,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:18,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127724925] [2024-11-16 08:40:18,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:18,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:18,732 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:18,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:18,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127724925] [2024-11-16 08:40:18,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127724925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:18,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:18,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:40:18,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70242448] [2024-11-16 08:40:18,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:18,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:40:18,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:18,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:40:18,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:40:18,735 INFO L87 Difference]: Start difference. First operand 137020 states and 175926 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:19,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:19,370 INFO L93 Difference]: Finished difference Result 264874 states and 337426 transitions. [2024-11-16 08:40:19,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:40:19,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2024-11-16 08:40:19,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:19,717 INFO L225 Difference]: With dead ends: 264874 [2024-11-16 08:40:19,717 INFO L226 Difference]: Without dead ends: 128006 [2024-11-16 08:40:19,767 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 [2024-11-16 08:40:19,768 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 64 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:19,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 319 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:19,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128006 states. [2024-11-16 08:40:21,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128006 to 118689. [2024-11-16 08:40:21,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118689 states, 118688 states have (on average 1.2597398220544622) internal successors, (149516), 118688 states have internal predecessors, (149516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:21,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118689 states to 118689 states and 149516 transitions. [2024-11-16 08:40:21,469 INFO L78 Accepts]: Start accepts. Automaton has 118689 states and 149516 transitions. Word has length 132 [2024-11-16 08:40:21,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:21,470 INFO L471 AbstractCegarLoop]: Abstraction has 118689 states and 149516 transitions. [2024-11-16 08:40:21,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:21,470 INFO L276 IsEmpty]: Start isEmpty. Operand 118689 states and 149516 transitions. [2024-11-16 08:40:21,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-16 08:40:21,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:21,476 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, 1, 1] [2024-11-16 08:40:21,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-16 08:40:21,477 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:21,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:21,477 INFO L85 PathProgramCache]: Analyzing trace with hash -514291107, now seen corresponding path program 1 times [2024-11-16 08:40:21,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:21,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727258400] [2024-11-16 08:40:21,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:21,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:22,167 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:22,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:22,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727258400] [2024-11-16 08:40:22,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727258400] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:40:22,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665645503] [2024-11-16 08:40:22,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:22,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:40:22,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:40:22,169 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) [2024-11-16 08:40:22,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 08:40:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:22,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-16 08:40:22,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:40:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:23,108 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:40:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:24,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665645503] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:40:24,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:40:24,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2024-11-16 08:40:24,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405051170] [2024-11-16 08:40:24,595 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:40:24,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-16 08:40:24,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:24,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-16 08:40:24,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2024-11-16 08:40:24,597 INFO L87 Difference]: Start difference. First operand 118689 states and 149516 transitions. Second operand has 26 states, 26 states have (on average 11.846153846153847) internal successors, (308), 25 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)