/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 23:37:20,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 23:37:20,084 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 23:37:20,089 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 23:37:20,090 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 23:37:20,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 23:37:20,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 23:37:20,119 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 23:37:20,120 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 23:37:20,123 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 23:37:20,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 23:37:20,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 23:37:20,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 23:37:20,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 23:37:20,125 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 23:37:20,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 23:37:20,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 23:37:20,126 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 23:37:20,126 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 23:37:20,126 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 23:37:20,126 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 23:37:20,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 23:37:20,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 23:37:20,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 23:37:20,128 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 23:37:20,128 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 23:37:20,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 23:37:20,128 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 23:37:20,129 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 23:37:20,129 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 23:37:20,130 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 23:37:20,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 23:37:20,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 23:37:20,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 23:37:20,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 23:37:20,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 23:37:20,130 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 23:37:20,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 23:37:20,131 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 23:37:20,131 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 23:37:20,131 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 23:37:20,131 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 23:37:20,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 23:37:20,131 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 23:37:20,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 23:37:20,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 23:37:20,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 23:37:20,327 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 23:37:20,327 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 23:37:20,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2023-12-15 23:37:21,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 23:37:21,793 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 23:37:21,793 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2023-12-15 23:37:21,812 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/432672818/c68356c25bb342ceb479139612913c68/FLAG7de676ead [2023-12-15 23:37:21,824 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/432672818/c68356c25bb342ceb479139612913c68 [2023-12-15 23:37:21,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 23:37:21,827 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 23:37:21,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 23:37:21,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 23:37:21,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 23:37:21,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:37:21" (1/1) ... [2023-12-15 23:37:21,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7189d417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:37:21, skipping insertion in model container [2023-12-15 23:37:21,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:37:21" (1/1) ... [2023-12-15 23:37:21,927 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 23:37:22,333 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[37768,37781] [2023-12-15 23:37:22,373 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[53783,53796] [2023-12-15 23:37:22,386 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[61800,61813] [2023-12-15 23:37:22,399 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[65782,65795] [2023-12-15 23:37:22,406 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[69649,69662] [2023-12-15 23:37:22,434 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[86712,86725] [2023-12-15 23:37:22,460 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[94766,94779] [2023-12-15 23:37:22,467 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[98785,98798] [2023-12-15 23:37:22,478 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[102689,102702] [2023-12-15 23:37:22,486 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[107203,107216] [2023-12-15 23:37:22,492 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[111131,111144] [2023-12-15 23:37:22,506 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[115150,115163] [2023-12-15 23:37:22,512 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[119054,119067] [2023-12-15 23:37:22,544 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[123189,123202] [2023-12-15 23:37:22,552 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[127260,127273] [2023-12-15 23:37:22,558 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[131260,131273] [2023-12-15 23:37:22,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 23:37:22,621 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 23:37:22,729 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[37768,37781] [2023-12-15 23:37:22,754 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[53783,53796] [2023-12-15 23:37:22,771 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[61800,61813] [2023-12-15 23:37:22,778 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[65782,65795] [2023-12-15 23:37:22,785 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[69649,69662] [2023-12-15 23:37:22,807 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[86712,86725] [2023-12-15 23:37:22,818 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[94766,94779] [2023-12-15 23:37:22,825 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[98785,98798] [2023-12-15 23:37:22,830 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[102689,102702] [2023-12-15 23:37:22,836 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[107203,107216] [2023-12-15 23:37:22,842 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[111131,111144] [2023-12-15 23:37:22,847 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[115150,115163] [2023-12-15 23:37:22,853 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[119054,119067] [2023-12-15 23:37:22,860 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[123189,123202] [2023-12-15 23:37:22,865 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[127260,127273] [2023-12-15 23:37:22,873 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[131260,131273] [2023-12-15 23:37:22,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 23:37:22,913 INFO L206 MainTranslator]: Completed translation [2023-12-15 23:37:22,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:37:22 WrapperNode [2023-12-15 23:37:22,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 23:37:22,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 23:37:22,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 23:37:22,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 23:37:22,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:37:22" (1/1) ... [2023-12-15 23:37:22,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:37:22" (1/1) ... [2023-12-15 23:37:23,094 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6246 [2023-12-15 23:37:23,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 23:37:23,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 23:37:23,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 23:37:23,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 23:37:23,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:37:22" (1/1) ... [2023-12-15 23:37:23,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:37:22" (1/1) ... [2023-12-15 23:37:23,118 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:37:22" (1/1) ... [2023-12-15 23:37:23,151 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]. [2023-12-15 23:37:23,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:37:22" (1/1) ... [2023-12-15 23:37:23,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:37:22" (1/1) ... [2023-12-15 23:37:23,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:37:22" (1/1) ... [2023-12-15 23:37:23,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:37:22" (1/1) ... [2023-12-15 23:37:23,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:37:22" (1/1) ... [2023-12-15 23:37:23,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:37:22" (1/1) ... [2023-12-15 23:37:23,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 23:37:23,254 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 23:37:23,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 23:37:23,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 23:37:23,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:37:22" (1/1) ... [2023-12-15 23:37:23,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 23:37:23,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 23:37:23,304 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) [2023-12-15 23:37:23,320 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 [2023-12-15 23:37:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 23:37:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 23:37:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 23:37:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 23:37:23,543 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 23:37:23,545 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 23:37:25,505 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 23:37:25,556 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 23:37:25,557 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-15 23:37:25,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:37:25 BoogieIcfgContainer [2023-12-15 23:37:25,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 23:37:25,559 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 23:37:25,559 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 23:37:25,561 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 23:37:25,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:37:21" (1/3) ... [2023-12-15 23:37:25,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d20224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:37:25, skipping insertion in model container [2023-12-15 23:37:25,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:37:22" (2/3) ... [2023-12-15 23:37:25,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d20224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:37:25, skipping insertion in model container [2023-12-15 23:37:25,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:37:25" (3/3) ... [2023-12-15 23:37:25,563 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2023-12-15 23:37:25,575 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 23:37:25,575 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-12-15 23:37:25,620 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 23:37:25,624 INFO L357 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, mHoare=true, 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;@59197a28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 23:37:25,624 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-12-15 23:37:25,632 INFO L276 IsEmpty]: Start isEmpty. Operand has 1191 states, 1174 states have (on average 1.7717206132879046) internal successors, (2080), 1190 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:25,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-15 23:37:25,646 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:25,647 INFO L195 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] [2023-12-15 23:37:25,647 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:25,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:25,651 INFO L85 PathProgramCache]: Analyzing trace with hash -959725519, now seen corresponding path program 1 times [2023-12-15 23:37:25,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:25,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819389849] [2023-12-15 23:37:25,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:25,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:26,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:26,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:26,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819389849] [2023-12-15 23:37:26,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819389849] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:26,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:26,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:37:26,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976038388] [2023-12-15 23:37:26,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:26,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:37:26,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:26,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:37:26,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:37:26,139 INFO L87 Difference]: Start difference. First operand has 1191 states, 1174 states have (on average 1.7717206132879046) internal successors, (2080), 1190 states have internal predecessors, (2080), 0 states have call successors, (0), 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 14.4) internal successors, (72), 4 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) [2023-12-15 23:37:26,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:26,723 INFO L93 Difference]: Finished difference Result 1407 states and 2415 transitions. [2023-12-15 23:37:26,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:37:26,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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 [2023-12-15 23:37:26,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:26,742 INFO L225 Difference]: With dead ends: 1407 [2023-12-15 23:37:26,743 INFO L226 Difference]: Without dead ends: 809 [2023-12-15 23:37:26,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:37:26,753 INFO L413 NwaCegarLoop]: 803 mSDtfsCounter, 4020 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4020 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:26,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4020 Valid, 843 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 23:37:26,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2023-12-15 23:37:26,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 809. [2023-12-15 23:37:26,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 793 states have (on average 1.2824716267339218) internal successors, (1017), 808 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:26,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1017 transitions. [2023-12-15 23:37:26,816 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1017 transitions. Word has length 72 [2023-12-15 23:37:26,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:26,817 INFO L495 AbstractCegarLoop]: Abstraction has 809 states and 1017 transitions. [2023-12-15 23:37:26,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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) [2023-12-15 23:37:26,817 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1017 transitions. [2023-12-15 23:37:26,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-15 23:37:26,819 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:26,819 INFO L195 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] [2023-12-15 23:37:26,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 23:37:26,819 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:26,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:26,820 INFO L85 PathProgramCache]: Analyzing trace with hash -968066446, now seen corresponding path program 1 times [2023-12-15 23:37:26,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:26,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382638592] [2023-12-15 23:37:26,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:26,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:26,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:26,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:26,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382638592] [2023-12-15 23:37:26,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382638592] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:26,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:26,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:37:26,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971525985] [2023-12-15 23:37:26,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:26,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:37:26,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:26,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:37:26,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:37:26,952 INFO L87 Difference]: Start difference. First operand 809 states and 1017 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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) [2023-12-15 23:37:27,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:27,457 INFO L93 Difference]: Finished difference Result 1429 states and 1826 transitions. [2023-12-15 23:37:27,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:37:27,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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 [2023-12-15 23:37:27,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:27,461 INFO L225 Difference]: With dead ends: 1429 [2023-12-15 23:37:27,461 INFO L226 Difference]: Without dead ends: 1008 [2023-12-15 23:37:27,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:37:27,462 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 3406 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3406 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:27,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3406 Valid, 694 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 23:37:27,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2023-12-15 23:37:27,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 914. [2023-12-15 23:37:27,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 898 states have (on average 1.341870824053452) internal successors, (1205), 913 states have internal predecessors, (1205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:27,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1205 transitions. [2023-12-15 23:37:27,478 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1205 transitions. Word has length 72 [2023-12-15 23:37:27,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:27,479 INFO L495 AbstractCegarLoop]: Abstraction has 914 states and 1205 transitions. [2023-12-15 23:37:27,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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) [2023-12-15 23:37:27,479 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1205 transitions. [2023-12-15 23:37:27,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-15 23:37:27,512 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:27,512 INFO L195 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] [2023-12-15 23:37:27,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 23:37:27,513 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:27,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:27,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1526182328, now seen corresponding path program 1 times [2023-12-15 23:37:27,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:27,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155418249] [2023-12-15 23:37:27,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:27,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:27,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:27,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:27,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155418249] [2023-12-15 23:37:27,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155418249] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:27,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:27,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:37:27,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775816340] [2023-12-15 23:37:27,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:27,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:37:27,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:27,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:37:27,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:37:27,613 INFO L87 Difference]: Start difference. First operand 914 states and 1205 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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) [2023-12-15 23:37:27,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:27,875 INFO L93 Difference]: Finished difference Result 1126 states and 1479 transitions. [2023-12-15 23:37:27,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:37:27,876 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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 [2023-12-15 23:37:27,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:27,878 INFO L225 Difference]: With dead ends: 1126 [2023-12-15 23:37:27,878 INFO L226 Difference]: Without dead ends: 660 [2023-12-15 23:37:27,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:37:27,879 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 1751 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1751 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:27,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1751 Valid, 361 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 23:37:27,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2023-12-15 23:37:27,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 660. [2023-12-15 23:37:27,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 644 states have (on average 1.3509316770186335) internal successors, (870), 659 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:27,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 870 transitions. [2023-12-15 23:37:27,888 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 870 transitions. Word has length 72 [2023-12-15 23:37:27,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:27,889 INFO L495 AbstractCegarLoop]: Abstraction has 660 states and 870 transitions. [2023-12-15 23:37:27,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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) [2023-12-15 23:37:27,889 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 870 transitions. [2023-12-15 23:37:27,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-15 23:37:27,890 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:27,890 INFO L195 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] [2023-12-15 23:37:27,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 23:37:27,890 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:27,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:27,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1953545306, now seen corresponding path program 1 times [2023-12-15 23:37:27,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:27,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194572844] [2023-12-15 23:37:27,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:27,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:28,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:28,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:28,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194572844] [2023-12-15 23:37:28,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194572844] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:28,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:28,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:37:28,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943286661] [2023-12-15 23:37:28,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:28,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:37:28,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:28,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:37:28,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:37:28,032 INFO L87 Difference]: Start difference. First operand 660 states and 870 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:28,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:28,211 INFO L93 Difference]: Finished difference Result 969 states and 1290 transitions. [2023-12-15 23:37:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:37:28,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2023-12-15 23:37:28,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:28,213 INFO L225 Difference]: With dead ends: 969 [2023-12-15 23:37:28,213 INFO L226 Difference]: Without dead ends: 594 [2023-12-15 23:37:28,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:37:28,215 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 1586 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1586 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:28,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1586 Valid, 335 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 23:37:28,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2023-12-15 23:37:28,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 594. [2023-12-15 23:37:28,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 578 states have (on average 1.3633217993079585) internal successors, (788), 593 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:28,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 788 transitions. [2023-12-15 23:37:28,223 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 788 transitions. Word has length 74 [2023-12-15 23:37:28,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:28,224 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 788 transitions. [2023-12-15 23:37:28,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:28,224 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 788 transitions. [2023-12-15 23:37:28,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-15 23:37:28,225 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:28,225 INFO L195 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] [2023-12-15 23:37:28,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 23:37:28,225 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:28,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:28,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1983390979, now seen corresponding path program 1 times [2023-12-15 23:37:28,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:28,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937179912] [2023-12-15 23:37:28,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:28,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:28,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:28,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:28,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937179912] [2023-12-15 23:37:28,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937179912] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:28,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:28,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:37:28,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963117874] [2023-12-15 23:37:28,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:28,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:37:28,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:28,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:37:28,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:37:28,308 INFO L87 Difference]: Start difference. First operand 594 states and 788 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:28,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:28,528 INFO L93 Difference]: Finished difference Result 885 states and 1181 transitions. [2023-12-15 23:37:28,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:37:28,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-12-15 23:37:28,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:28,533 INFO L225 Difference]: With dead ends: 885 [2023-12-15 23:37:28,533 INFO L226 Difference]: Without dead ends: 586 [2023-12-15 23:37:28,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:37:28,536 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 1509 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:28,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 310 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 23:37:28,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2023-12-15 23:37:28,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 586. [2023-12-15 23:37:28,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3631578947368421) internal successors, (777), 585 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:28,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 777 transitions. [2023-12-15 23:37:28,544 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 777 transitions. Word has length 76 [2023-12-15 23:37:28,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:28,544 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 777 transitions. [2023-12-15 23:37:28,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:28,544 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 777 transitions. [2023-12-15 23:37:28,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-15 23:37:28,545 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:28,546 INFO L195 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] [2023-12-15 23:37:28,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-15 23:37:28,546 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:28,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:28,547 INFO L85 PathProgramCache]: Analyzing trace with hash 802660192, now seen corresponding path program 1 times [2023-12-15 23:37:28,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:28,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475206580] [2023-12-15 23:37:28,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:28,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:28,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:28,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:28,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475206580] [2023-12-15 23:37:28,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475206580] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:28,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:28,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 23:37:28,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667971551] [2023-12-15 23:37:28,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:28,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 23:37:28,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:28,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 23:37:28,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:37:28,860 INFO L87 Difference]: Start difference. First operand 586 states and 777 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:29,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:29,275 INFO L93 Difference]: Finished difference Result 1127 states and 1474 transitions. [2023-12-15 23:37:29,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-15 23:37:29,275 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-15 23:37:29,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:29,277 INFO L225 Difference]: With dead ends: 1127 [2023-12-15 23:37:29,277 INFO L226 Difference]: Without dead ends: 835 [2023-12-15 23:37:29,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-15 23:37:29,279 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 2544 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2544 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:29,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2544 Valid, 751 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 23:37:29,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2023-12-15 23:37:29,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 586. [2023-12-15 23:37:29,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3614035087719298) internal successors, (776), 585 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:29,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 776 transitions. [2023-12-15 23:37:29,287 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 776 transitions. Word has length 78 [2023-12-15 23:37:29,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:29,288 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 776 transitions. [2023-12-15 23:37:29,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:29,288 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 776 transitions. [2023-12-15 23:37:29,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-15 23:37:29,289 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:29,289 INFO L195 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] [2023-12-15 23:37:29,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 23:37:29,289 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:29,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:29,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1668159008, now seen corresponding path program 1 times [2023-12-15 23:37:29,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:29,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638833300] [2023-12-15 23:37:29,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:29,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:29,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:29,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:29,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638833300] [2023-12-15 23:37:29,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638833300] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:29,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:29,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:29,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403852120] [2023-12-15 23:37:29,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:29,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:29,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:29,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:29,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:29,487 INFO L87 Difference]: Start difference. First operand 586 states and 776 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:30,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:30,165 INFO L93 Difference]: Finished difference Result 1354 states and 1862 transitions. [2023-12-15 23:37:30,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:37:30,166 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-15 23:37:30,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:30,169 INFO L225 Difference]: With dead ends: 1354 [2023-12-15 23:37:30,169 INFO L226 Difference]: Without dead ends: 1197 [2023-12-15 23:37:30,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-15 23:37:30,170 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 2538 mSDsluCounter, 1163 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2538 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:30,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2538 Valid, 1518 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1096 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 23:37:30,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2023-12-15 23:37:30,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 586. [2023-12-15 23:37:30,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3596491228070176) internal successors, (775), 585 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:30,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 775 transitions. [2023-12-15 23:37:30,179 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 775 transitions. Word has length 78 [2023-12-15 23:37:30,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:30,179 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 775 transitions. [2023-12-15 23:37:30,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:30,179 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 775 transitions. [2023-12-15 23:37:30,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-15 23:37:30,180 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:30,180 INFO L195 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] [2023-12-15 23:37:30,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-15 23:37:30,181 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:30,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:30,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1675317728, now seen corresponding path program 1 times [2023-12-15 23:37:30,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:30,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621775184] [2023-12-15 23:37:30,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:30,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:30,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:30,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:30,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621775184] [2023-12-15 23:37:30,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621775184] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:30,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:30,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:30,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902305614] [2023-12-15 23:37:30,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:30,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:30,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:30,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:30,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:30,394 INFO L87 Difference]: Start difference. First operand 586 states and 775 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:30,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:30,997 INFO L93 Difference]: Finished difference Result 986 states and 1349 transitions. [2023-12-15 23:37:30,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:30,997 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-15 23:37:30,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:30,999 INFO L225 Difference]: With dead ends: 986 [2023-12-15 23:37:30,999 INFO L226 Difference]: Without dead ends: 786 [2023-12-15 23:37:31,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:37:31,000 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 1370 mSDsluCounter, 1510 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1370 SdHoareTripleChecker+Valid, 1902 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:31,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1370 Valid, 1902 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 23:37:31,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2023-12-15 23:37:31,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 586. [2023-12-15 23:37:31,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3578947368421053) internal successors, (774), 585 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:31,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 774 transitions. [2023-12-15 23:37:31,008 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 774 transitions. Word has length 78 [2023-12-15 23:37:31,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:31,009 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 774 transitions. [2023-12-15 23:37:31,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:31,009 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 774 transitions. [2023-12-15 23:37:31,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-15 23:37:31,010 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:31,010 INFO L195 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] [2023-12-15 23:37:31,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-15 23:37:31,010 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:31,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:31,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1605144151, now seen corresponding path program 1 times [2023-12-15 23:37:31,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:31,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769889162] [2023-12-15 23:37:31,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:31,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:31,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:31,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:31,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769889162] [2023-12-15 23:37:31,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769889162] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:31,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:31,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:31,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531778336] [2023-12-15 23:37:31,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:31,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:31,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:31,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:31,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:31,234 INFO L87 Difference]: Start difference. First operand 586 states and 774 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:31,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:31,896 INFO L93 Difference]: Finished difference Result 1309 states and 1793 transitions. [2023-12-15 23:37:31,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:31,897 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-12-15 23:37:31,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:31,900 INFO L225 Difference]: With dead ends: 1309 [2023-12-15 23:37:31,900 INFO L226 Difference]: Without dead ends: 1171 [2023-12-15 23:37:31,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:37:31,901 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 1382 mSDsluCounter, 1463 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1382 SdHoareTripleChecker+Valid, 1850 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:31,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1382 Valid, 1850 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:37:31,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2023-12-15 23:37:31,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 586. [2023-12-15 23:37:31,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.356140350877193) internal successors, (773), 585 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:31,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 773 transitions. [2023-12-15 23:37:31,910 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 773 transitions. Word has length 79 [2023-12-15 23:37:31,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:31,910 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 773 transitions. [2023-12-15 23:37:31,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:31,910 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 773 transitions. [2023-12-15 23:37:31,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-15 23:37:31,911 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:31,911 INFO L195 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] [2023-12-15 23:37:31,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 23:37:31,911 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:31,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:31,912 INFO L85 PathProgramCache]: Analyzing trace with hash 968830309, now seen corresponding path program 1 times [2023-12-15 23:37:31,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:31,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991648921] [2023-12-15 23:37:31,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:31,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:32,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:32,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:32,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991648921] [2023-12-15 23:37:32,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991648921] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:32,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:32,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-15 23:37:32,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312386773] [2023-12-15 23:37:32,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:32,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-15 23:37:32,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:32,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-15 23:37:32,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-12-15 23:37:32,385 INFO L87 Difference]: Start difference. First operand 586 states and 773 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:33,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:33,142 INFO L93 Difference]: Finished difference Result 1248 states and 1716 transitions. [2023-12-15 23:37:33,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-15 23:37:33,143 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-15 23:37:33,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:33,146 INFO L225 Difference]: With dead ends: 1248 [2023-12-15 23:37:33,146 INFO L226 Difference]: Without dead ends: 976 [2023-12-15 23:37:33,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=158, Invalid=442, Unknown=0, NotChecked=0, Total=600 [2023-12-15 23:37:33,147 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 2403 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2403 SdHoareTripleChecker+Valid, 1961 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:33,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2403 Valid, 1961 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 23:37:33,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2023-12-15 23:37:33,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 586. [2023-12-15 23:37:33,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3526315789473684) internal successors, (771), 585 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 771 transitions. [2023-12-15 23:37:33,155 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 771 transitions. Word has length 80 [2023-12-15 23:37:33,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:33,156 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 771 transitions. [2023-12-15 23:37:33,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 771 transitions. [2023-12-15 23:37:33,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-15 23:37:33,157 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:33,157 INFO L195 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] [2023-12-15 23:37:33,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-15 23:37:33,157 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:33,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:33,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1772365797, now seen corresponding path program 1 times [2023-12-15 23:37:33,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:33,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176695989] [2023-12-15 23:37:33,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:33,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:33,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:33,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:33,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176695989] [2023-12-15 23:37:33,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176695989] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:33,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:33,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:33,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241864923] [2023-12-15 23:37:33,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:33,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:33,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:33,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:33,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:33,350 INFO L87 Difference]: Start difference. First operand 586 states and 771 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:34,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:34,094 INFO L93 Difference]: Finished difference Result 1374 states and 1881 transitions. [2023-12-15 23:37:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:37:34,094 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-15 23:37:34,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:34,097 INFO L225 Difference]: With dead ends: 1374 [2023-12-15 23:37:34,098 INFO L226 Difference]: Without dead ends: 1197 [2023-12-15 23:37:34,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:37:34,099 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 1388 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1388 SdHoareTripleChecker+Valid, 2212 SdHoareTripleChecker+Invalid, 1525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:34,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1388 Valid, 2212 Invalid, 1525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1522 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:37:34,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2023-12-15 23:37:34,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 586. [2023-12-15 23:37:34,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3491228070175438) internal successors, (769), 585 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 769 transitions. [2023-12-15 23:37:34,107 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 769 transitions. Word has length 80 [2023-12-15 23:37:34,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:34,108 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 769 transitions. [2023-12-15 23:37:34,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:34,108 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 769 transitions. [2023-12-15 23:37:34,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-15 23:37:34,109 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:34,109 INFO L195 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] [2023-12-15 23:37:34,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-15 23:37:34,109 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:34,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:34,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1109843867, now seen corresponding path program 1 times [2023-12-15 23:37:34,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:34,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718227377] [2023-12-15 23:37:34,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:34,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:34,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:34,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:34,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718227377] [2023-12-15 23:37:34,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718227377] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:34,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:34,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:34,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944061123] [2023-12-15 23:37:34,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:34,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:34,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:34,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:34,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:34,337 INFO L87 Difference]: Start difference. First operand 586 states and 769 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:35,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:35,056 INFO L93 Difference]: Finished difference Result 1320 states and 1801 transitions. [2023-12-15 23:37:35,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:35,057 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-15 23:37:35,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:35,060 INFO L225 Difference]: With dead ends: 1320 [2023-12-15 23:37:35,060 INFO L226 Difference]: Without dead ends: 1171 [2023-12-15 23:37:35,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:37:35,061 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 1342 mSDsluCounter, 1803 mSDsCounter, 0 mSdLazyCounter, 1478 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1342 SdHoareTripleChecker+Valid, 2248 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:35,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1342 Valid, 2248 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1478 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:37:35,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2023-12-15 23:37:35,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 586. [2023-12-15 23:37:35,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3456140350877193) internal successors, (767), 585 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:35,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 767 transitions. [2023-12-15 23:37:35,070 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 767 transitions. Word has length 80 [2023-12-15 23:37:35,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:35,070 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 767 transitions. [2023-12-15 23:37:35,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:35,070 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 767 transitions. [2023-12-15 23:37:35,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-15 23:37:35,071 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:35,071 INFO L195 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] [2023-12-15 23:37:35,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-15 23:37:35,071 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:35,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:35,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1167764005, now seen corresponding path program 1 times [2023-12-15 23:37:35,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:35,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678176803] [2023-12-15 23:37:35,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:35,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:35,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:35,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:35,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678176803] [2023-12-15 23:37:35,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678176803] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:35,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:35,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:35,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077147705] [2023-12-15 23:37:35,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:35,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:35,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:35,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:35,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:35,273 INFO L87 Difference]: Start difference. First operand 586 states and 767 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:36,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:36,017 INFO L93 Difference]: Finished difference Result 1313 states and 1790 transitions. [2023-12-15 23:37:36,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:36,017 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-15 23:37:36,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:36,020 INFO L225 Difference]: With dead ends: 1313 [2023-12-15 23:37:36,020 INFO L226 Difference]: Without dead ends: 1171 [2023-12-15 23:37:36,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:37:36,021 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 1853 mSDsluCounter, 1793 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1853 SdHoareTripleChecker+Valid, 2237 SdHoareTripleChecker+Invalid, 1491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:36,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1853 Valid, 2237 Invalid, 1491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1487 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:37:36,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2023-12-15 23:37:36,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 586. [2023-12-15 23:37:36,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.343859649122807) internal successors, (766), 585 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 766 transitions. [2023-12-15 23:37:36,029 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 766 transitions. Word has length 80 [2023-12-15 23:37:36,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:36,029 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 766 transitions. [2023-12-15 23:37:36,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 766 transitions. [2023-12-15 23:37:36,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-15 23:37:36,030 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:36,030 INFO L195 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] [2023-12-15 23:37:36,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-15 23:37:36,030 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:36,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:36,031 INFO L85 PathProgramCache]: Analyzing trace with hash 845800069, now seen corresponding path program 1 times [2023-12-15 23:37:36,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:36,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533834957] [2023-12-15 23:37:36,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:36,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:36,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:36,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:36,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533834957] [2023-12-15 23:37:36,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533834957] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:36,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:36,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-15 23:37:36,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042821477] [2023-12-15 23:37:36,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:36,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 23:37:36,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:36,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 23:37:36,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:37:36,390 INFO L87 Difference]: Start difference. First operand 586 states and 766 transitions. Second operand has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:37,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:37,663 INFO L93 Difference]: Finished difference Result 2385 states and 3346 transitions. [2023-12-15 23:37:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-15 23:37:37,664 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-15 23:37:37,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:37,669 INFO L225 Difference]: With dead ends: 2385 [2023-12-15 23:37:37,669 INFO L226 Difference]: Without dead ends: 2219 [2023-12-15 23:37:37,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-15 23:37:37,670 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 5183 mSDsluCounter, 1912 mSDsCounter, 0 mSdLazyCounter, 1821 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5183 SdHoareTripleChecker+Valid, 2536 SdHoareTripleChecker+Invalid, 1964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:37,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5183 Valid, 2536 Invalid, 1964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1821 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:37:37,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2219 states. [2023-12-15 23:37:37,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2219 to 591. [2023-12-15 23:37:37,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 575 states have (on average 1.3408695652173912) internal successors, (771), 590 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:37,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 771 transitions. [2023-12-15 23:37:37,684 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 771 transitions. Word has length 80 [2023-12-15 23:37:37,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:37,684 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 771 transitions. [2023-12-15 23:37:37,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:37,684 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 771 transitions. [2023-12-15 23:37:37,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-15 23:37:37,685 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:37,685 INFO L195 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] [2023-12-15 23:37:37,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-15 23:37:37,685 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:37,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:37,686 INFO L85 PathProgramCache]: Analyzing trace with hash 319051941, now seen corresponding path program 1 times [2023-12-15 23:37:37,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:37,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885273731] [2023-12-15 23:37:37,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:37,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:37,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:37,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:37,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885273731] [2023-12-15 23:37:37,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885273731] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:37,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:37,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:37,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084454967] [2023-12-15 23:37:37,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:37,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:37,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:37,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:37,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:37,877 INFO L87 Difference]: Start difference. First operand 591 states and 771 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:38,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:38,475 INFO L93 Difference]: Finished difference Result 1318 states and 1793 transitions. [2023-12-15 23:37:38,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:38,476 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-15 23:37:38,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:38,478 INFO L225 Difference]: With dead ends: 1318 [2023-12-15 23:37:38,479 INFO L226 Difference]: Without dead ends: 1176 [2023-12-15 23:37:38,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:37:38,479 INFO L413 NwaCegarLoop]: 487 mSDtfsCounter, 1722 mSDsluCounter, 1370 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1722 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:38,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1722 Valid, 1857 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 23:37:38,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2023-12-15 23:37:38,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 591. [2023-12-15 23:37:38,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 575 states have (on average 1.3391304347826087) internal successors, (770), 590 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:38,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 770 transitions. [2023-12-15 23:37:38,490 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 770 transitions. Word has length 80 [2023-12-15 23:37:38,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:38,490 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 770 transitions. [2023-12-15 23:37:38,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:38,490 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 770 transitions. [2023-12-15 23:37:38,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-15 23:37:38,491 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:38,491 INFO L195 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] [2023-12-15 23:37:38,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-15 23:37:38,491 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:38,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:38,492 INFO L85 PathProgramCache]: Analyzing trace with hash 436282523, now seen corresponding path program 1 times [2023-12-15 23:37:38,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:38,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824342405] [2023-12-15 23:37:38,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:38,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:38,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:38,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:38,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824342405] [2023-12-15 23:37:38,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824342405] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:38,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:38,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:38,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610077366] [2023-12-15 23:37:38,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:38,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:38,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:38,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:38,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:38,683 INFO L87 Difference]: Start difference. First operand 591 states and 770 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:39,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:39,394 INFO L93 Difference]: Finished difference Result 1280 states and 1734 transitions. [2023-12-15 23:37:39,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:39,395 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-15 23:37:39,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:39,398 INFO L225 Difference]: With dead ends: 1280 [2023-12-15 23:37:39,398 INFO L226 Difference]: Without dead ends: 1151 [2023-12-15 23:37:39,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:37:39,398 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 1875 mSDsluCounter, 1689 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1875 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:39,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1875 Valid, 2101 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:37:39,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2023-12-15 23:37:39,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 590. [2023-12-15 23:37:39,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 574 states have (on average 1.3379790940766552) internal successors, (768), 589 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:39,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 768 transitions. [2023-12-15 23:37:39,406 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 768 transitions. Word has length 80 [2023-12-15 23:37:39,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:39,406 INFO L495 AbstractCegarLoop]: Abstraction has 590 states and 768 transitions. [2023-12-15 23:37:39,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:39,406 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 768 transitions. [2023-12-15 23:37:39,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-15 23:37:39,407 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:39,407 INFO L195 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] [2023-12-15 23:37:39,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-15 23:37:39,407 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:39,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:39,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1402771346, now seen corresponding path program 1 times [2023-12-15 23:37:39,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:39,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866135465] [2023-12-15 23:37:39,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:39,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:39,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:39,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:39,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866135465] [2023-12-15 23:37:39,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866135465] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:39,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:39,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:39,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051717143] [2023-12-15 23:37:39,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:39,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:39,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:39,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:39,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:39,589 INFO L87 Difference]: Start difference. First operand 590 states and 768 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:40,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:40,273 INFO L93 Difference]: Finished difference Result 1285 states and 1738 transitions. [2023-12-15 23:37:40,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:40,274 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-12-15 23:37:40,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:40,277 INFO L225 Difference]: With dead ends: 1285 [2023-12-15 23:37:40,277 INFO L226 Difference]: Without dead ends: 1151 [2023-12-15 23:37:40,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:37:40,278 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 1905 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1905 SdHoareTripleChecker+Valid, 2068 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:40,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1905 Valid, 2068 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:37:40,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2023-12-15 23:37:40,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 590. [2023-12-15 23:37:40,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 574 states have (on average 1.3344947735191637) internal successors, (766), 589 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:40,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 766 transitions. [2023-12-15 23:37:40,286 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 766 transitions. Word has length 81 [2023-12-15 23:37:40,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:40,286 INFO L495 AbstractCegarLoop]: Abstraction has 590 states and 766 transitions. [2023-12-15 23:37:40,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:40,286 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 766 transitions. [2023-12-15 23:37:40,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-15 23:37:40,287 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:40,287 INFO L195 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] [2023-12-15 23:37:40,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-15 23:37:40,287 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:40,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:40,287 INFO L85 PathProgramCache]: Analyzing trace with hash -737160558, now seen corresponding path program 1 times [2023-12-15 23:37:40,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:40,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539845671] [2023-12-15 23:37:40,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:40,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:40,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:40,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:40,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539845671] [2023-12-15 23:37:40,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539845671] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:40,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:40,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:40,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50690528] [2023-12-15 23:37:40,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:40,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:40,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:40,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:40,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:40,463 INFO L87 Difference]: Start difference. First operand 590 states and 766 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:41,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:41,179 INFO L93 Difference]: Finished difference Result 1282 states and 1733 transitions. [2023-12-15 23:37:41,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:41,180 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-12-15 23:37:41,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:41,183 INFO L225 Difference]: With dead ends: 1282 [2023-12-15 23:37:41,183 INFO L226 Difference]: Without dead ends: 1151 [2023-12-15 23:37:41,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:37:41,183 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 1866 mSDsluCounter, 1688 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1866 SdHoareTripleChecker+Valid, 2100 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:41,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1866 Valid, 2100 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:37:41,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2023-12-15 23:37:41,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 590. [2023-12-15 23:37:41,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 574 states have (on average 1.3327526132404182) internal successors, (765), 589 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:41,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 765 transitions. [2023-12-15 23:37:41,191 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 765 transitions. Word has length 81 [2023-12-15 23:37:41,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:41,191 INFO L495 AbstractCegarLoop]: Abstraction has 590 states and 765 transitions. [2023-12-15 23:37:41,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:41,192 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 765 transitions. [2023-12-15 23:37:41,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-15 23:37:41,192 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:41,193 INFO L195 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] [2023-12-15 23:37:41,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-15 23:37:41,193 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:41,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:41,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1997711831, now seen corresponding path program 1 times [2023-12-15 23:37:41,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:41,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598605636] [2023-12-15 23:37:41,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:41,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:41,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:41,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:41,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598605636] [2023-12-15 23:37:41,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598605636] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:41,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:41,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:41,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124041712] [2023-12-15 23:37:41,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:41,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:41,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:41,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:41,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:41,339 INFO L87 Difference]: Start difference. First operand 590 states and 765 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:42,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:42,132 INFO L93 Difference]: Finished difference Result 1362 states and 1852 transitions. [2023-12-15 23:37:42,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:37:42,132 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-12-15 23:37:42,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:42,135 INFO L225 Difference]: With dead ends: 1362 [2023-12-15 23:37:42,135 INFO L226 Difference]: Without dead ends: 1196 [2023-12-15 23:37:42,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:37:42,136 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 1989 mSDsluCounter, 1588 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 2137 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:42,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 2137 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:37:42,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2023-12-15 23:37:42,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 585. [2023-12-15 23:37:42,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 569 states have (on average 1.3339191564147628) internal successors, (759), 584 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:42,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 759 transitions. [2023-12-15 23:37:42,145 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 759 transitions. Word has length 81 [2023-12-15 23:37:42,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:42,145 INFO L495 AbstractCegarLoop]: Abstraction has 585 states and 759 transitions. [2023-12-15 23:37:42,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:42,145 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 759 transitions. [2023-12-15 23:37:42,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-15 23:37:42,146 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:42,146 INFO L195 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] [2023-12-15 23:37:42,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-15 23:37:42,146 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:42,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:42,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1762485042, now seen corresponding path program 1 times [2023-12-15 23:37:42,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:42,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649373464] [2023-12-15 23:37:42,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:42,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:42,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:42,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649373464] [2023-12-15 23:37:42,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649373464] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:42,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:42,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:42,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287006603] [2023-12-15 23:37:42,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:42,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:42,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:42,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:42,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:42,332 INFO L87 Difference]: Start difference. First operand 585 states and 759 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:42,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:42,896 INFO L93 Difference]: Finished difference Result 1277 states and 1726 transitions. [2023-12-15 23:37:42,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:42,897 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-12-15 23:37:42,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:42,900 INFO L225 Difference]: With dead ends: 1277 [2023-12-15 23:37:42,900 INFO L226 Difference]: Without dead ends: 1146 [2023-12-15 23:37:42,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:37:42,901 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 1858 mSDsluCounter, 1830 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1858 SdHoareTripleChecker+Valid, 2325 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:42,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1858 Valid, 2325 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 23:37:42,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2023-12-15 23:37:42,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 585. [2023-12-15 23:37:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 569 states have (on average 1.3321616871704745) internal successors, (758), 584 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:42,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 758 transitions. [2023-12-15 23:37:42,914 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 758 transitions. Word has length 81 [2023-12-15 23:37:42,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:42,914 INFO L495 AbstractCegarLoop]: Abstraction has 585 states and 758 transitions. [2023-12-15 23:37:42,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:42,915 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 758 transitions. [2023-12-15 23:37:42,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-15 23:37:42,915 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:42,915 INFO L195 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] [2023-12-15 23:37:42,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-15 23:37:42,916 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:42,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:42,916 INFO L85 PathProgramCache]: Analyzing trace with hash -818292174, now seen corresponding path program 1 times [2023-12-15 23:37:42,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:42,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948135721] [2023-12-15 23:37:42,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:42,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:43,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:43,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:43,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948135721] [2023-12-15 23:37:43,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948135721] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:43,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:43,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:43,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331143433] [2023-12-15 23:37:43,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:43,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:43,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:43,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:43,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:43,068 INFO L87 Difference]: Start difference. First operand 585 states and 758 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:43,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:43,727 INFO L93 Difference]: Finished difference Result 1277 states and 1725 transitions. [2023-12-15 23:37:43,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:37:43,727 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-12-15 23:37:43,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:43,730 INFO L225 Difference]: With dead ends: 1277 [2023-12-15 23:37:43,730 INFO L226 Difference]: Without dead ends: 1146 [2023-12-15 23:37:43,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:37:43,731 INFO L413 NwaCegarLoop]: 449 mSDtfsCounter, 2160 mSDsluCounter, 1334 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2160 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:43,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2160 Valid, 1783 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:37:43,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2023-12-15 23:37:43,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 585. [2023-12-15 23:37:43,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 569 states have (on average 1.3304042179261863) internal successors, (757), 584 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:43,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 757 transitions. [2023-12-15 23:37:43,741 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 757 transitions. Word has length 81 [2023-12-15 23:37:43,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:43,742 INFO L495 AbstractCegarLoop]: Abstraction has 585 states and 757 transitions. [2023-12-15 23:37:43,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:43,742 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 757 transitions. [2023-12-15 23:37:43,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-15 23:37:43,743 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:43,743 INFO L195 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] [2023-12-15 23:37:43,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-15 23:37:43,744 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:43,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:43,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1416899414, now seen corresponding path program 1 times [2023-12-15 23:37:43,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:43,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686372228] [2023-12-15 23:37:43,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:43,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:43,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:43,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:43,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686372228] [2023-12-15 23:37:43,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686372228] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:43,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:43,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:43,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389325314] [2023-12-15 23:37:43,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:43,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:43,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:43,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:43,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:43,917 INFO L87 Difference]: Start difference. First operand 585 states and 757 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:44,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:44,598 INFO L93 Difference]: Finished difference Result 1152 states and 1535 transitions. [2023-12-15 23:37:44,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:44,599 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-15 23:37:44,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:44,601 INFO L225 Difference]: With dead ends: 1152 [2023-12-15 23:37:44,601 INFO L226 Difference]: Without dead ends: 1146 [2023-12-15 23:37:44,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:37:44,603 INFO L413 NwaCegarLoop]: 408 mSDtfsCounter, 1866 mSDsluCounter, 1684 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1866 SdHoareTripleChecker+Valid, 2092 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:44,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1866 Valid, 2092 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1399 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:37:44,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2023-12-15 23:37:44,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 585. [2023-12-15 23:37:44,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 569 states have (on average 1.32688927943761) internal successors, (755), 584 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:44,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 755 transitions. [2023-12-15 23:37:44,639 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 755 transitions. Word has length 82 [2023-12-15 23:37:44,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:44,639 INFO L495 AbstractCegarLoop]: Abstraction has 585 states and 755 transitions. [2023-12-15 23:37:44,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:44,640 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 755 transitions. [2023-12-15 23:37:44,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-15 23:37:44,640 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:44,640 INFO L195 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] [2023-12-15 23:37:44,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-15 23:37:44,641 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:44,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:44,641 INFO L85 PathProgramCache]: Analyzing trace with hash 110550506, now seen corresponding path program 1 times [2023-12-15 23:37:44,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:44,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365573947] [2023-12-15 23:37:44,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:44,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:44,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:44,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:44,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365573947] [2023-12-15 23:37:44,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365573947] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:44,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:44,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:44,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85501144] [2023-12-15 23:37:44,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:44,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:44,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:44,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:44,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:44,799 INFO L87 Difference]: Start difference. First operand 585 states and 755 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:45,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:45,213 INFO L93 Difference]: Finished difference Result 1189 states and 1587 transitions. [2023-12-15 23:37:45,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:45,214 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-15 23:37:45,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:45,216 INFO L225 Difference]: With dead ends: 1189 [2023-12-15 23:37:45,217 INFO L226 Difference]: Without dead ends: 1170 [2023-12-15 23:37:45,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:37:45,218 INFO L413 NwaCegarLoop]: 529 mSDtfsCounter, 1695 mSDsluCounter, 1499 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1695 SdHoareTripleChecker+Valid, 2028 SdHoareTripleChecker+Invalid, 1303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:45,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1695 Valid, 2028 Invalid, 1303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 23:37:45,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2023-12-15 23:37:45,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 585. [2023-12-15 23:37:45,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 569 states have (on average 1.3233743409490335) internal successors, (753), 584 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:45,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 753 transitions. [2023-12-15 23:37:45,226 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 753 transitions. Word has length 82 [2023-12-15 23:37:45,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:45,226 INFO L495 AbstractCegarLoop]: Abstraction has 585 states and 753 transitions. [2023-12-15 23:37:45,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:45,226 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 753 transitions. [2023-12-15 23:37:45,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-15 23:37:45,227 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:45,227 INFO L195 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] [2023-12-15 23:37:45,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-15 23:37:45,227 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:45,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:45,227 INFO L85 PathProgramCache]: Analyzing trace with hash -534325398, now seen corresponding path program 1 times [2023-12-15 23:37:45,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:45,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233630537] [2023-12-15 23:37:45,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:45,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:45,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:45,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:45,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233630537] [2023-12-15 23:37:45,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233630537] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:45,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:45,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:45,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821420407] [2023-12-15 23:37:45,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:45,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:45,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:45,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:45,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:45,428 INFO L87 Difference]: Start difference. First operand 585 states and 753 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:46,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:46,095 INFO L93 Difference]: Finished difference Result 1152 states and 1531 transitions. [2023-12-15 23:37:46,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:37:46,096 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-15 23:37:46,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:46,101 INFO L225 Difference]: With dead ends: 1152 [2023-12-15 23:37:46,101 INFO L226 Difference]: Without dead ends: 1146 [2023-12-15 23:37:46,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:37:46,102 INFO L413 NwaCegarLoop]: 463 mSDtfsCounter, 1428 mSDsluCounter, 1377 mSDsCounter, 0 mSdLazyCounter, 1287 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1428 SdHoareTripleChecker+Valid, 1840 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:46,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1428 Valid, 1840 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1287 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:37:46,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2023-12-15 23:37:46,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 585. [2023-12-15 23:37:46,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 569 states have (on average 1.3198594024604569) internal successors, (751), 584 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:46,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 751 transitions. [2023-12-15 23:37:46,109 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 751 transitions. Word has length 82 [2023-12-15 23:37:46,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:46,109 INFO L495 AbstractCegarLoop]: Abstraction has 585 states and 751 transitions. [2023-12-15 23:37:46,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:46,110 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 751 transitions. [2023-12-15 23:37:46,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-15 23:37:46,110 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:46,111 INFO L195 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] [2023-12-15 23:37:46,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-15 23:37:46,111 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:46,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:46,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1378881558, now seen corresponding path program 1 times [2023-12-15 23:37:46,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:46,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902381295] [2023-12-15 23:37:46,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:46,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:46,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:46,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902381295] [2023-12-15 23:37:46,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902381295] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:46,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:46,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:46,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623232597] [2023-12-15 23:37:46,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:46,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:46,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:46,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:46,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:46,407 INFO L87 Difference]: Start difference. First operand 585 states and 751 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:46,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:46,952 INFO L93 Difference]: Finished difference Result 1284 states and 1723 transitions. [2023-12-15 23:37:46,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:46,959 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-15 23:37:46,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:46,966 INFO L225 Difference]: With dead ends: 1284 [2023-12-15 23:37:46,966 INFO L226 Difference]: Without dead ends: 1146 [2023-12-15 23:37:46,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:37:46,967 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 1843 mSDsluCounter, 1728 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1843 SdHoareTripleChecker+Valid, 2157 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:46,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1843 Valid, 2157 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 23:37:46,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2023-12-15 23:37:46,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 585. [2023-12-15 23:37:46,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 569 states have (on average 1.3163444639718804) internal successors, (749), 584 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:46,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 749 transitions. [2023-12-15 23:37:46,976 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 749 transitions. Word has length 82 [2023-12-15 23:37:46,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:46,976 INFO L495 AbstractCegarLoop]: Abstraction has 585 states and 749 transitions. [2023-12-15 23:37:46,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:46,976 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 749 transitions. [2023-12-15 23:37:46,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-15 23:37:46,977 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:46,977 INFO L195 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] [2023-12-15 23:37:46,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-15 23:37:46,978 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:46,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:46,978 INFO L85 PathProgramCache]: Analyzing trace with hash 148568362, now seen corresponding path program 1 times [2023-12-15 23:37:46,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:46,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438532] [2023-12-15 23:37:46,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:46,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:47,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:47,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:47,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438532] [2023-12-15 23:37:47,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438532] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:47,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:47,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:47,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245928764] [2023-12-15 23:37:47,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:47,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:47,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:47,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:47,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:47,141 INFO L87 Difference]: Start difference. First operand 585 states and 749 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:47,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:47,792 INFO L93 Difference]: Finished difference Result 1325 states and 1782 transitions. [2023-12-15 23:37:47,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:47,792 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-15 23:37:47,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:47,794 INFO L225 Difference]: With dead ends: 1325 [2023-12-15 23:37:47,795 INFO L226 Difference]: Without dead ends: 1170 [2023-12-15 23:37:47,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:37:47,795 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 1315 mSDsluCounter, 1661 mSDsCounter, 0 mSdLazyCounter, 1310 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1315 SdHoareTripleChecker+Valid, 2150 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:47,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1315 Valid, 2150 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1310 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:37:47,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2023-12-15 23:37:47,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 585. [2023-12-15 23:37:47,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 569 states have (on average 1.312829525483304) internal successors, (747), 584 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:47,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 747 transitions. [2023-12-15 23:37:47,803 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 747 transitions. Word has length 82 [2023-12-15 23:37:47,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:47,803 INFO L495 AbstractCegarLoop]: Abstraction has 585 states and 747 transitions. [2023-12-15 23:37:47,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:47,803 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 747 transitions. [2023-12-15 23:37:47,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-15 23:37:47,804 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:47,804 INFO L195 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] [2023-12-15 23:37:47,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-15 23:37:47,804 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:47,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:47,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1321164118, now seen corresponding path program 1 times [2023-12-15 23:37:47,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:47,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815116078] [2023-12-15 23:37:47,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:47,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:48,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:48,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815116078] [2023-12-15 23:37:48,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815116078] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:48,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:48,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-15 23:37:48,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317891944] [2023-12-15 23:37:48,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:48,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 23:37:48,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:48,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 23:37:48,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:37:48,211 INFO L87 Difference]: Start difference. First operand 585 states and 747 transitions. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:49,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:49,620 INFO L93 Difference]: Finished difference Result 2450 states and 3405 transitions. [2023-12-15 23:37:49,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-15 23:37:49,621 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-15 23:37:49,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:49,624 INFO L225 Difference]: With dead ends: 2450 [2023-12-15 23:37:49,624 INFO L226 Difference]: Without dead ends: 2251 [2023-12-15 23:37:49,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-15 23:37:49,625 INFO L413 NwaCegarLoop]: 683 mSDtfsCounter, 3848 mSDsluCounter, 2233 mSDsCounter, 0 mSdLazyCounter, 2111 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3848 SdHoareTripleChecker+Valid, 2916 SdHoareTripleChecker+Invalid, 2235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 2111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:49,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3848 Valid, 2916 Invalid, 2235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 2111 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 23:37:49,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2251 states. [2023-12-15 23:37:49,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2251 to 595. [2023-12-15 23:37:49,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 579 states have (on average 1.307426597582038) internal successors, (757), 594 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:49,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 757 transitions. [2023-12-15 23:37:49,636 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 757 transitions. Word has length 82 [2023-12-15 23:37:49,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:49,636 INFO L495 AbstractCegarLoop]: Abstraction has 595 states and 757 transitions. [2023-12-15 23:37:49,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:49,636 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 757 transitions. [2023-12-15 23:37:49,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-15 23:37:49,637 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:49,637 INFO L195 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] [2023-12-15 23:37:49,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-15 23:37:49,637 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:49,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:49,637 INFO L85 PathProgramCache]: Analyzing trace with hash -378154710, now seen corresponding path program 1 times [2023-12-15 23:37:49,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:49,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352212007] [2023-12-15 23:37:49,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:49,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:49,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:49,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352212007] [2023-12-15 23:37:49,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352212007] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:49,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:49,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:49,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648900439] [2023-12-15 23:37:49,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:49,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:49,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:49,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:49,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:49,820 INFO L87 Difference]: Start difference. First operand 595 states and 757 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:50,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:50,533 INFO L93 Difference]: Finished difference Result 1290 states and 1724 transitions. [2023-12-15 23:37:50,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:50,533 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-15 23:37:50,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:50,535 INFO L225 Difference]: With dead ends: 1290 [2023-12-15 23:37:50,535 INFO L226 Difference]: Without dead ends: 1156 [2023-12-15 23:37:50,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:37:50,536 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 1834 mSDsluCounter, 1772 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 2220 SdHoareTripleChecker+Invalid, 1417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:50,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1834 Valid, 2220 Invalid, 1417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:37:50,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2023-12-15 23:37:50,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 595. [2023-12-15 23:37:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 579 states have (on average 1.305699481865285) internal successors, (756), 594 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 756 transitions. [2023-12-15 23:37:50,552 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 756 transitions. Word has length 82 [2023-12-15 23:37:50,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:50,552 INFO L495 AbstractCegarLoop]: Abstraction has 595 states and 756 transitions. [2023-12-15 23:37:50,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 756 transitions. [2023-12-15 23:37:50,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-15 23:37:50,553 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:50,553 INFO L195 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] [2023-12-15 23:37:50,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-15 23:37:50,554 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:50,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:50,554 INFO L85 PathProgramCache]: Analyzing trace with hash 637597674, now seen corresponding path program 1 times [2023-12-15 23:37:50,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:50,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814024865] [2023-12-15 23:37:50,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:50,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:50,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:50,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814024865] [2023-12-15 23:37:50,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814024865] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:50,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:50,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:50,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189842501] [2023-12-15 23:37:50,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:50,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:50,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:50,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:50,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:50,735 INFO L87 Difference]: Start difference. First operand 595 states and 756 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:51,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:51,342 INFO L93 Difference]: Finished difference Result 1327 states and 1776 transitions. [2023-12-15 23:37:51,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:51,343 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-15 23:37:51,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:51,344 INFO L225 Difference]: With dead ends: 1327 [2023-12-15 23:37:51,344 INFO L226 Difference]: Without dead ends: 1180 [2023-12-15 23:37:51,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:37:51,345 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 1682 mSDsluCounter, 1511 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1682 SdHoareTripleChecker+Valid, 2043 SdHoareTripleChecker+Invalid, 1279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:51,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1682 Valid, 2043 Invalid, 1279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 23:37:51,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2023-12-15 23:37:51,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 595. [2023-12-15 23:37:51,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 579 states have (on average 1.3039723661485318) internal successors, (755), 594 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:51,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 755 transitions. [2023-12-15 23:37:51,353 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 755 transitions. Word has length 82 [2023-12-15 23:37:51,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:51,353 INFO L495 AbstractCegarLoop]: Abstraction has 595 states and 755 transitions. [2023-12-15 23:37:51,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:51,353 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 755 transitions. [2023-12-15 23:37:51,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-15 23:37:51,354 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:51,354 INFO L195 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] [2023-12-15 23:37:51,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-15 23:37:51,354 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:51,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:51,355 INFO L85 PathProgramCache]: Analyzing trace with hash -586374390, now seen corresponding path program 1 times [2023-12-15 23:37:51,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:51,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152731200] [2023-12-15 23:37:51,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:51,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:51,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:51,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152731200] [2023-12-15 23:37:51,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152731200] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:51,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:51,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-15 23:37:51,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267045063] [2023-12-15 23:37:51,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:51,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 23:37:51,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:51,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 23:37:51,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:37:51,627 INFO L87 Difference]: Start difference. First operand 595 states and 755 transitions. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:52,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:52,720 INFO L93 Difference]: Finished difference Result 1960 states and 2688 transitions. [2023-12-15 23:37:52,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-15 23:37:52,720 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-15 23:37:52,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:52,723 INFO L225 Difference]: With dead ends: 1960 [2023-12-15 23:37:52,723 INFO L226 Difference]: Without dead ends: 1826 [2023-12-15 23:37:52,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-15 23:37:52,725 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 4325 mSDsluCounter, 1954 mSDsCounter, 0 mSdLazyCounter, 1744 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4325 SdHoareTripleChecker+Valid, 2449 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:52,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4325 Valid, 2449 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1744 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:37:52,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2023-12-15 23:37:52,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 600. [2023-12-15 23:37:52,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 584 states have (on average 1.3013698630136987) internal successors, (760), 599 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:52,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 760 transitions. [2023-12-15 23:37:52,736 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 760 transitions. Word has length 82 [2023-12-15 23:37:52,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:52,737 INFO L495 AbstractCegarLoop]: Abstraction has 600 states and 760 transitions. [2023-12-15 23:37:52,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:52,737 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 760 transitions. [2023-12-15 23:37:52,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-15 23:37:52,741 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:52,741 INFO L195 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] [2023-12-15 23:37:52,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-15 23:37:52,741 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:52,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:52,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1027878550, now seen corresponding path program 1 times [2023-12-15 23:37:52,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:52,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693410707] [2023-12-15 23:37:52,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:52,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:52,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:52,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:52,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693410707] [2023-12-15 23:37:52,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693410707] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:52,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:52,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:52,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199506513] [2023-12-15 23:37:52,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:52,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:52,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:52,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:52,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:52,897 INFO L87 Difference]: Start difference. First operand 600 states and 760 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:53,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:53,455 INFO L93 Difference]: Finished difference Result 1162 states and 1530 transitions. [2023-12-15 23:37:53,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:37:53,456 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-15 23:37:53,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:53,457 INFO L225 Difference]: With dead ends: 1162 [2023-12-15 23:37:53,458 INFO L226 Difference]: Without dead ends: 1156 [2023-12-15 23:37:53,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:37:53,458 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 1371 mSDsluCounter, 1454 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1371 SdHoareTripleChecker+Valid, 1942 SdHoareTripleChecker+Invalid, 1306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:53,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1371 Valid, 1942 Invalid, 1306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1302 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 23:37:53,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2023-12-15 23:37:53,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 600. [2023-12-15 23:37:53,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 584 states have (on average 1.2996575342465753) internal successors, (759), 599 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:53,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 759 transitions. [2023-12-15 23:37:53,472 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 759 transitions. Word has length 82 [2023-12-15 23:37:53,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:53,473 INFO L495 AbstractCegarLoop]: Abstraction has 600 states and 759 transitions. [2023-12-15 23:37:53,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 759 transitions. [2023-12-15 23:37:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-15 23:37:53,474 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:53,474 INFO L195 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] [2023-12-15 23:37:53,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-15 23:37:53,474 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:53,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:53,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1377145907, now seen corresponding path program 1 times [2023-12-15 23:37:53,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:53,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046332785] [2023-12-15 23:37:53,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:53,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:53,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:53,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:53,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046332785] [2023-12-15 23:37:53,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046332785] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:53,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:53,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-15 23:37:53,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004792059] [2023-12-15 23:37:53,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:53,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 23:37:53,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:53,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 23:37:53,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-12-15 23:37:53,883 INFO L87 Difference]: Start difference. First operand 600 states and 759 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:54,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:54,195 INFO L93 Difference]: Finished difference Result 1185 states and 1596 transitions. [2023-12-15 23:37:54,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-15 23:37:54,196 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-12-15 23:37:54,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:54,197 INFO L225 Difference]: With dead ends: 1185 [2023-12-15 23:37:54,197 INFO L226 Difference]: Without dead ends: 951 [2023-12-15 23:37:54,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2023-12-15 23:37:54,199 INFO L413 NwaCegarLoop]: 535 mSDtfsCounter, 2489 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2489 SdHoareTripleChecker+Valid, 2798 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:54,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2489 Valid, 2798 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 23:37:54,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2023-12-15 23:37:54,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 494. [2023-12-15 23:37:54,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 482 states have (on average 1.3029045643153527) internal successors, (628), 493 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 628 transitions. [2023-12-15 23:37:54,208 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 628 transitions. Word has length 83 [2023-12-15 23:37:54,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:54,208 INFO L495 AbstractCegarLoop]: Abstraction has 494 states and 628 transitions. [2023-12-15 23:37:54,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:54,209 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 628 transitions. [2023-12-15 23:37:54,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-15 23:37:54,209 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:54,209 INFO L195 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] [2023-12-15 23:37:54,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-15 23:37:54,210 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:54,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:54,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1042213600, now seen corresponding path program 1 times [2023-12-15 23:37:54,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:54,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004189196] [2023-12-15 23:37:54,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:54,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:54,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:54,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004189196] [2023-12-15 23:37:54,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004189196] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:54,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:54,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:37:54,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343965214] [2023-12-15 23:37:54,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:54,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:37:54,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:54,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:37:54,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:37:54,377 INFO L87 Difference]: Start difference. First operand 494 states and 628 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:54,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:54,965 INFO L93 Difference]: Finished difference Result 1299 states and 1749 transitions. [2023-12-15 23:37:54,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:37:54,965 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-12-15 23:37:54,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:54,967 INFO L225 Difference]: With dead ends: 1299 [2023-12-15 23:37:54,967 INFO L226 Difference]: Without dead ends: 1100 [2023-12-15 23:37:54,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:37:54,968 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 1179 mSDsluCounter, 1420 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1179 SdHoareTripleChecker+Valid, 1917 SdHoareTripleChecker+Invalid, 1239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:54,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1179 Valid, 1917 Invalid, 1239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 23:37:54,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2023-12-15 23:37:54,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 484. [2023-12-15 23:37:54,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 472 states have (on average 1.305084745762712) internal successors, (616), 483 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:54,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 616 transitions. [2023-12-15 23:37:54,974 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 616 transitions. Word has length 83 [2023-12-15 23:37:54,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:54,974 INFO L495 AbstractCegarLoop]: Abstraction has 484 states and 616 transitions. [2023-12-15 23:37:54,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:54,974 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 616 transitions. [2023-12-15 23:37:54,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-15 23:37:54,975 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:54,975 INFO L195 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] [2023-12-15 23:37:54,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-15 23:37:54,975 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:54,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:54,975 INFO L85 PathProgramCache]: Analyzing trace with hash -199769875, now seen corresponding path program 1 times [2023-12-15 23:37:54,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:54,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831464032] [2023-12-15 23:37:54,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:54,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:55,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:55,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831464032] [2023-12-15 23:37:55,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831464032] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:55,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:55,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-15 23:37:55,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854702092] [2023-12-15 23:37:55,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:55,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 23:37:55,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:55,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 23:37:55,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-15 23:37:55,380 INFO L87 Difference]: Start difference. First operand 484 states and 616 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:56,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:56,081 INFO L93 Difference]: Finished difference Result 1385 states and 1908 transitions. [2023-12-15 23:37:56,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:56,087 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-12-15 23:37:56,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:56,088 INFO L225 Difference]: With dead ends: 1385 [2023-12-15 23:37:56,089 INFO L226 Difference]: Without dead ends: 1255 [2023-12-15 23:37:56,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-12-15 23:37:56,089 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 2434 mSDsluCounter, 2878 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2434 SdHoareTripleChecker+Valid, 3436 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:56,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2434 Valid, 3436 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 23:37:56,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2023-12-15 23:37:56,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 482. [2023-12-15 23:37:56,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 470 states have (on average 1.3021276595744682) internal successors, (612), 481 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:56,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 612 transitions. [2023-12-15 23:37:56,095 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 612 transitions. Word has length 83 [2023-12-15 23:37:56,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:56,096 INFO L495 AbstractCegarLoop]: Abstraction has 482 states and 612 transitions. [2023-12-15 23:37:56,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:56,096 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 612 transitions. [2023-12-15 23:37:56,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-15 23:37:56,096 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:56,096 INFO L195 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] [2023-12-15 23:37:56,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-15 23:37:56,097 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:56,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:56,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1097921229, now seen corresponding path program 1 times [2023-12-15 23:37:56,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:56,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683529468] [2023-12-15 23:37:56,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:56,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:56,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:56,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:56,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683529468] [2023-12-15 23:37:56,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683529468] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:56,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:56,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-15 23:37:56,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306186959] [2023-12-15 23:37:56,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:56,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 23:37:56,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:56,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 23:37:56,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-15 23:37:56,449 INFO L87 Difference]: Start difference. First operand 482 states and 612 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:57,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:57,141 INFO L93 Difference]: Finished difference Result 1378 states and 1898 transitions. [2023-12-15 23:37:57,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:57,142 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-12-15 23:37:57,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:57,143 INFO L225 Difference]: With dead ends: 1378 [2023-12-15 23:37:57,144 INFO L226 Difference]: Without dead ends: 1249 [2023-12-15 23:37:57,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-12-15 23:37:57,144 INFO L413 NwaCegarLoop]: 631 mSDtfsCounter, 2636 mSDsluCounter, 2809 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2636 SdHoareTripleChecker+Valid, 3440 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:57,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2636 Valid, 3440 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 23:37:57,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2023-12-15 23:37:57,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 481. [2023-12-15 23:37:57,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 469 states have (on average 1.300639658848614) internal successors, (610), 480 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:57,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 610 transitions. [2023-12-15 23:37:57,153 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 610 transitions. Word has length 83 [2023-12-15 23:37:57,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:57,153 INFO L495 AbstractCegarLoop]: Abstraction has 481 states and 610 transitions. [2023-12-15 23:37:57,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:57,153 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 610 transitions. [2023-12-15 23:37:57,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-15 23:37:57,154 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:57,154 INFO L195 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] [2023-12-15 23:37:57,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-15 23:37:57,155 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:57,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:57,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1397509459, now seen corresponding path program 1 times [2023-12-15 23:37:57,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:57,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738709703] [2023-12-15 23:37:57,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:57,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:57,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:57,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:57,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738709703] [2023-12-15 23:37:57,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738709703] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:57,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:57,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-15 23:37:57,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451974411] [2023-12-15 23:37:57,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:57,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-15 23:37:57,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:57,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-15 23:37:57,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-15 23:37:57,540 INFO L87 Difference]: Start difference. First operand 481 states and 610 transitions. Second operand has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:58,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:58,369 INFO L93 Difference]: Finished difference Result 2202 states and 3041 transitions. [2023-12-15 23:37:58,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-15 23:37:58,369 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-12-15 23:37:58,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:58,372 INFO L225 Difference]: With dead ends: 2202 [2023-12-15 23:37:58,372 INFO L226 Difference]: Without dead ends: 2042 [2023-12-15 23:37:58,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2023-12-15 23:37:58,373 INFO L413 NwaCegarLoop]: 1146 mSDtfsCounter, 2804 mSDsluCounter, 6401 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2804 SdHoareTripleChecker+Valid, 7547 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:58,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2804 Valid, 7547 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 23:37:58,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2042 states. [2023-12-15 23:37:58,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2042 to 449. [2023-12-15 23:37:58,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 438 states have (on average 1.3013698630136987) internal successors, (570), 448 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:58,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 570 transitions. [2023-12-15 23:37:58,387 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 570 transitions. Word has length 83 [2023-12-15 23:37:58,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:58,387 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 570 transitions. [2023-12-15 23:37:58,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:58,387 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 570 transitions. [2023-12-15 23:37:58,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-15 23:37:58,388 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:58,388 INFO L195 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] [2023-12-15 23:37:58,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-12-15 23:37:58,388 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:58,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:58,389 INFO L85 PathProgramCache]: Analyzing trace with hash 2096908269, now seen corresponding path program 1 times [2023-12-15 23:37:58,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:58,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457466977] [2023-12-15 23:37:58,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:58,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:58,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:58,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:58,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457466977] [2023-12-15 23:37:58,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457466977] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:58,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:58,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-15 23:37:58,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195259892] [2023-12-15 23:37:58,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:58,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 23:37:58,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:58,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 23:37:58,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-15 23:37:58,734 INFO L87 Difference]: Start difference. First operand 449 states and 570 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:59,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:37:59,278 INFO L93 Difference]: Finished difference Result 1008 states and 1381 transitions. [2023-12-15 23:37:59,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:37:59,278 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-12-15 23:37:59,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:37:59,280 INFO L225 Difference]: With dead ends: 1008 [2023-12-15 23:37:59,280 INFO L226 Difference]: Without dead ends: 825 [2023-12-15 23:37:59,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-12-15 23:37:59,281 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 1510 mSDsluCounter, 2424 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 2933 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 23:37:59,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1510 Valid, 2933 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 23:37:59,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2023-12-15 23:37:59,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 394. [2023-12-15 23:37:59,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 384 states have (on average 1.3046875) internal successors, (501), 393 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:59,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 501 transitions. [2023-12-15 23:37:59,285 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 501 transitions. Word has length 83 [2023-12-15 23:37:59,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:37:59,285 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 501 transitions. [2023-12-15 23:37:59,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:37:59,285 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 501 transitions. [2023-12-15 23:37:59,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-15 23:37:59,286 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:37:59,286 INFO L195 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] [2023-12-15 23:37:59,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-12-15 23:37:59,286 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:37:59,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:37:59,287 INFO L85 PathProgramCache]: Analyzing trace with hash 2131684943, now seen corresponding path program 1 times [2023-12-15 23:37:59,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:37:59,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529291987] [2023-12-15 23:37:59,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:37:59,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:37:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:37:59,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:37:59,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:37:59,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529291987] [2023-12-15 23:37:59,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529291987] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:37:59,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:37:59,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-15 23:37:59,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644036815] [2023-12-15 23:37:59,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:37:59,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 23:37:59,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:37:59,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 23:37:59,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-15 23:37:59,659 INFO L87 Difference]: Start difference. First operand 394 states and 501 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:00,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:00,239 INFO L93 Difference]: Finished difference Result 744 states and 987 transitions. [2023-12-15 23:38:00,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-15 23:38:00,239 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2023-12-15 23:38:00,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:00,240 INFO L225 Difference]: With dead ends: 744 [2023-12-15 23:38:00,240 INFO L226 Difference]: Without dead ends: 610 [2023-12-15 23:38:00,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2023-12-15 23:38:00,241 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 1331 mSDsluCounter, 1874 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1331 SdHoareTripleChecker+Valid, 2256 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:00,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1331 Valid, 2256 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 23:38:00,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2023-12-15 23:38:00,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 384. [2023-12-15 23:38:00,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 375 states have (on average 1.296) internal successors, (486), 383 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:00,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 486 transitions. [2023-12-15 23:38:00,250 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 486 transitions. Word has length 84 [2023-12-15 23:38:00,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:00,250 INFO L495 AbstractCegarLoop]: Abstraction has 384 states and 486 transitions. [2023-12-15 23:38:00,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:00,251 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 486 transitions. [2023-12-15 23:38:00,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-15 23:38:00,252 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:00,252 INFO L195 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] [2023-12-15 23:38:00,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-12-15 23:38:00,252 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:00,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:00,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1223733489, now seen corresponding path program 1 times [2023-12-15 23:38:00,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:00,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850860827] [2023-12-15 23:38:00,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:00,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:00,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:00,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:00,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850860827] [2023-12-15 23:38:00,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850860827] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:00,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:00,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-15 23:38:00,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487318492] [2023-12-15 23:38:00,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:00,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-15 23:38:00,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:00,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-15 23:38:00,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-15 23:38:00,618 INFO L87 Difference]: Start difference. First operand 384 states and 486 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:01,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:01,513 INFO L93 Difference]: Finished difference Result 1988 states and 2766 transitions. [2023-12-15 23:38:01,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-15 23:38:01,514 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2023-12-15 23:38:01,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:01,516 INFO L225 Difference]: With dead ends: 1988 [2023-12-15 23:38:01,517 INFO L226 Difference]: Without dead ends: 1803 [2023-12-15 23:38:01,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2023-12-15 23:38:01,518 INFO L413 NwaCegarLoop]: 1128 mSDtfsCounter, 1664 mSDsluCounter, 8228 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1664 SdHoareTripleChecker+Valid, 9356 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:01,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1664 Valid, 9356 Invalid, 1149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 23:38:01,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2023-12-15 23:38:01,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 327. [2023-12-15 23:38:01,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 321 states have (on average 1.2897196261682242) internal successors, (414), 326 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:01,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 414 transitions. [2023-12-15 23:38:01,540 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 414 transitions. Word has length 84 [2023-12-15 23:38:01,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:01,540 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 414 transitions. [2023-12-15 23:38:01,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:01,540 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 414 transitions. [2023-12-15 23:38:01,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-15 23:38:01,541 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:01,541 INFO L195 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] [2023-12-15 23:38:01,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-12-15 23:38:01,541 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:01,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:01,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1559722417, now seen corresponding path program 1 times [2023-12-15 23:38:01,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:01,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875139909] [2023-12-15 23:38:01,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:01,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:02,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:02,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:02,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875139909] [2023-12-15 23:38:02,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875139909] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:02,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:02,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-15 23:38:02,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542644759] [2023-12-15 23:38:02,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:02,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-15 23:38:02,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:02,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-15 23:38:02,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-12-15 23:38:02,091 INFO L87 Difference]: Start difference. First operand 327 states and 414 transitions. Second operand has 15 states, 15 states have (on average 5.6) internal successors, (84), 14 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:02,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:02,775 INFO L93 Difference]: Finished difference Result 774 states and 1050 transitions. [2023-12-15 23:38:02,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-15 23:38:02,775 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.6) internal successors, (84), 14 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2023-12-15 23:38:02,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:02,776 INFO L225 Difference]: With dead ends: 774 [2023-12-15 23:38:02,777 INFO L226 Difference]: Without dead ends: 601 [2023-12-15 23:38:02,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2023-12-15 23:38:02,777 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 1362 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 2893 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:02,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1362 Valid, 2893 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 23:38:02,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2023-12-15 23:38:02,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 327. [2023-12-15 23:38:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 321 states have (on average 1.2866043613707165) internal successors, (413), 326 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:02,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 413 transitions. [2023-12-15 23:38:02,781 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 413 transitions. Word has length 84 [2023-12-15 23:38:02,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:02,781 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 413 transitions. [2023-12-15 23:38:02,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.6) internal successors, (84), 14 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:02,781 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 413 transitions. [2023-12-15 23:38:02,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-15 23:38:02,782 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:02,782 INFO L195 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] [2023-12-15 23:38:02,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-12-15 23:38:02,782 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:02,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:02,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1570867187, now seen corresponding path program 1 times [2023-12-15 23:38:02,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:02,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793840823] [2023-12-15 23:38:02,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:02,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:03,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:03,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:03,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793840823] [2023-12-15 23:38:03,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793840823] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:03,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:03,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-15 23:38:03,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976656122] [2023-12-15 23:38:03,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:03,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-15 23:38:03,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:03,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-15 23:38:03,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-15 23:38:03,145 INFO L87 Difference]: Start difference. First operand 327 states and 413 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:03,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:03,946 INFO L93 Difference]: Finished difference Result 1809 states and 2545 transitions. [2023-12-15 23:38:03,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-15 23:38:03,947 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-12-15 23:38:03,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:03,949 INFO L225 Difference]: With dead ends: 1809 [2023-12-15 23:38:03,949 INFO L226 Difference]: Without dead ends: 1670 [2023-12-15 23:38:03,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2023-12-15 23:38:03,950 INFO L413 NwaCegarLoop]: 762 mSDtfsCounter, 1551 mSDsluCounter, 4998 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 5760 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:03,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 5760 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 23:38:03,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2023-12-15 23:38:03,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 316. [2023-12-15 23:38:03,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 311 states have (on average 1.2861736334405145) internal successors, (400), 315 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:03,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 400 transitions. [2023-12-15 23:38:03,956 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 400 transitions. Word has length 85 [2023-12-15 23:38:03,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:03,956 INFO L495 AbstractCegarLoop]: Abstraction has 316 states and 400 transitions. [2023-12-15 23:38:03,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:03,957 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 400 transitions. [2023-12-15 23:38:03,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-15 23:38:03,957 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:03,957 INFO L195 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] [2023-12-15 23:38:03,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-12-15 23:38:03,957 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:03,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:03,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1029208973, now seen corresponding path program 1 times [2023-12-15 23:38:03,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:03,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739369004] [2023-12-15 23:38:03,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:03,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:04,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:04,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:04,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739369004] [2023-12-15 23:38:04,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739369004] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:04,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:04,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-15 23:38:04,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28336370] [2023-12-15 23:38:04,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:04,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-15 23:38:04,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:04,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-15 23:38:04,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-12-15 23:38:04,493 INFO L87 Difference]: Start difference. First operand 316 states and 400 transitions. Second operand has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:05,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:05,036 INFO L93 Difference]: Finished difference Result 444 states and 590 transitions. [2023-12-15 23:38:05,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-15 23:38:05,036 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-12-15 23:38:05,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:05,037 INFO L225 Difference]: With dead ends: 444 [2023-12-15 23:38:05,037 INFO L226 Difference]: Without dead ends: 278 [2023-12-15 23:38:05,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2023-12-15 23:38:05,038 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 234 mSDsluCounter, 1527 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:05,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 1723 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 23:38:05,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2023-12-15 23:38:05,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2023-12-15 23:38:05,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 275 states have (on average 1.298181818181818) internal successors, (357), 277 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) [2023-12-15 23:38:05,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 357 transitions. [2023-12-15 23:38:05,041 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 357 transitions. Word has length 85 [2023-12-15 23:38:05,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:05,041 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 357 transitions. [2023-12-15 23:38:05,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:05,041 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 357 transitions. [2023-12-15 23:38:05,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-15 23:38:05,041 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:05,041 INFO L195 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] [2023-12-15 23:38:05,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-12-15 23:38:05,042 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:05,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:05,042 INFO L85 PathProgramCache]: Analyzing trace with hash 458104271, now seen corresponding path program 1 times [2023-12-15 23:38:05,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:05,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065875250] [2023-12-15 23:38:05,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:05,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:05,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:05,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:05,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065875250] [2023-12-15 23:38:05,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065875250] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:05,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:05,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:38:05,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885160106] [2023-12-15 23:38:05,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:05,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:38:05,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:05,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:38:05,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:38:05,200 INFO L87 Difference]: Start difference. First operand 278 states and 357 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:05,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:05,468 INFO L93 Difference]: Finished difference Result 454 states and 599 transitions. [2023-12-15 23:38:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-15 23:38:05,469 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2023-12-15 23:38:05,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:05,469 INFO L225 Difference]: With dead ends: 454 [2023-12-15 23:38:05,469 INFO L226 Difference]: Without dead ends: 446 [2023-12-15 23:38:05,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-12-15 23:38:05,470 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 663 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:05,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 683 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 23:38:05,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2023-12-15 23:38:05,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 278. [2023-12-15 23:38:05,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 275 states have (on average 1.2945454545454544) internal successors, (356), 277 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:05,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 356 transitions. [2023-12-15 23:38:05,473 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 356 transitions. Word has length 86 [2023-12-15 23:38:05,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:05,474 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 356 transitions. [2023-12-15 23:38:05,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:05,474 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 356 transitions. [2023-12-15 23:38:05,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-15 23:38:05,474 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:05,474 INFO L195 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] [2023-12-15 23:38:05,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-12-15 23:38:05,474 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:05,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:05,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1517009585, now seen corresponding path program 1 times [2023-12-15 23:38:05,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:05,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511204840] [2023-12-15 23:38:05,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:05,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:05,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:05,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:05,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511204840] [2023-12-15 23:38:05,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511204840] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:05,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:05,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:38:05,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058816711] [2023-12-15 23:38:05,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:05,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:38:05,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:05,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:38:05,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:38:05,625 INFO L87 Difference]: Start difference. First operand 278 states and 356 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:05,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:05,940 INFO L93 Difference]: Finished difference Result 635 states and 853 transitions. [2023-12-15 23:38:05,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-15 23:38:05,944 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2023-12-15 23:38:05,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:05,945 INFO L225 Difference]: With dead ends: 635 [2023-12-15 23:38:05,945 INFO L226 Difference]: Without dead ends: 473 [2023-12-15 23:38:05,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:38:05,947 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 582 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:05,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 821 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 23:38:05,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2023-12-15 23:38:05,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 278. [2023-12-15 23:38:05,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 275 states have (on average 1.2872727272727273) internal successors, (354), 277 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:05,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 354 transitions. [2023-12-15 23:38:05,950 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 354 transitions. Word has length 86 [2023-12-15 23:38:05,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:05,950 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 354 transitions. [2023-12-15 23:38:05,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:05,950 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 354 transitions. [2023-12-15 23:38:05,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-15 23:38:05,950 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:05,950 INFO L195 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] [2023-12-15 23:38:05,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-12-15 23:38:05,951 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:05,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:05,952 INFO L85 PathProgramCache]: Analyzing trace with hash 615115764, now seen corresponding path program 1 times [2023-12-15 23:38:05,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:05,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601176949] [2023-12-15 23:38:05,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:05,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:06,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:06,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:06,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601176949] [2023-12-15 23:38:06,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601176949] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:06,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:06,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-15 23:38:06,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810487277] [2023-12-15 23:38:06,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:06,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 23:38:06,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:06,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 23:38:06,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-15 23:38:06,321 INFO L87 Difference]: Start difference. First operand 278 states and 354 transitions. Second operand has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:06,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:06,784 INFO L93 Difference]: Finished difference Result 724 states and 992 transitions. [2023-12-15 23:38:06,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:38:06,784 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2023-12-15 23:38:06,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:06,786 INFO L225 Difference]: With dead ends: 724 [2023-12-15 23:38:06,786 INFO L226 Difference]: Without dead ends: 718 [2023-12-15 23:38:06,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-12-15 23:38:06,786 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 1136 mSDsluCounter, 1951 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1136 SdHoareTripleChecker+Valid, 2412 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:06,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1136 Valid, 2412 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 23:38:06,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2023-12-15 23:38:06,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 272. [2023-12-15 23:38:06,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 270 states have (on average 1.2851851851851852) internal successors, (347), 271 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:06,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 347 transitions. [2023-12-15 23:38:06,789 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 347 transitions. Word has length 88 [2023-12-15 23:38:06,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:06,790 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 347 transitions. [2023-12-15 23:38:06,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:06,790 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 347 transitions. [2023-12-15 23:38:06,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-15 23:38:06,790 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:06,790 INFO L195 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] [2023-12-15 23:38:06,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-12-15 23:38:06,790 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:06,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:06,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1522049356, now seen corresponding path program 1 times [2023-12-15 23:38:06,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:06,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033585456] [2023-12-15 23:38:06,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:06,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:07,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:07,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:07,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033585456] [2023-12-15 23:38:07,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033585456] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:07,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:07,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-15 23:38:07,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098847814] [2023-12-15 23:38:07,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:07,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-12-15 23:38:07,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:07,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-12-15 23:38:07,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2023-12-15 23:38:07,790 INFO L87 Difference]: Start difference. First operand 272 states and 347 transitions. Second operand has 26 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 26 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:09,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:09,223 INFO L93 Difference]: Finished difference Result 320 states and 397 transitions. [2023-12-15 23:38:09,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-15 23:38:09,223 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 26 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2023-12-15 23:38:09,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:09,224 INFO L225 Difference]: With dead ends: 320 [2023-12-15 23:38:09,224 INFO L226 Difference]: Without dead ends: 311 [2023-12-15 23:38:09,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=337, Invalid=1919, Unknown=0, NotChecked=0, Total=2256 [2023-12-15 23:38:09,225 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 545 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 2732 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:09,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 2732 Invalid, 1524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1522 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:38:09,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2023-12-15 23:38:09,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 288. [2023-12-15 23:38:09,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 286 states have (on average 1.2797202797202798) internal successors, (366), 287 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:09,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 366 transitions. [2023-12-15 23:38:09,228 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 366 transitions. Word has length 88 [2023-12-15 23:38:09,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:09,229 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 366 transitions. [2023-12-15 23:38:09,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 26 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:09,230 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 366 transitions. [2023-12-15 23:38:09,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-15 23:38:09,230 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:09,230 INFO L195 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] [2023-12-15 23:38:09,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-12-15 23:38:09,230 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:09,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:09,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1503027030, now seen corresponding path program 1 times [2023-12-15 23:38:09,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:09,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821358076] [2023-12-15 23:38:09,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:09,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:10,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:10,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:10,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821358076] [2023-12-15 23:38:10,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821358076] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:10,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:10,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-15 23:38:10,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706610320] [2023-12-15 23:38:10,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:10,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-15 23:38:10,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:10,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-15 23:38:10,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-12-15 23:38:10,082 INFO L87 Difference]: Start difference. First operand 288 states and 366 transitions. Second operand has 21 states, 21 states have (on average 4.238095238095238) internal successors, (89), 20 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:11,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:11,909 INFO L93 Difference]: Finished difference Result 829 states and 1117 transitions. [2023-12-15 23:38:11,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-15 23:38:11,909 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.238095238095238) internal successors, (89), 20 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2023-12-15 23:38:11,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:11,910 INFO L225 Difference]: With dead ends: 829 [2023-12-15 23:38:11,910 INFO L226 Difference]: Without dead ends: 816 [2023-12-15 23:38:11,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=276, Invalid=1446, Unknown=0, NotChecked=0, Total=1722 [2023-12-15 23:38:11,911 INFO L413 NwaCegarLoop]: 395 mSDtfsCounter, 1078 mSDsluCounter, 5424 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 5819 SdHoareTripleChecker+Invalid, 1950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:11,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 5819 Invalid, 1950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1944 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:38:11,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2023-12-15 23:38:11,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 308. [2023-12-15 23:38:11,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 306 states have (on average 1.2712418300653594) internal successors, (389), 307 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:11,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 389 transitions. [2023-12-15 23:38:11,915 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 389 transitions. Word has length 89 [2023-12-15 23:38:11,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:11,915 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 389 transitions. [2023-12-15 23:38:11,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.238095238095238) internal successors, (89), 20 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:11,915 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 389 transitions. [2023-12-15 23:38:11,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-15 23:38:11,916 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:11,916 INFO L195 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] [2023-12-15 23:38:11,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-12-15 23:38:11,916 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:11,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:11,916 INFO L85 PathProgramCache]: Analyzing trace with hash 345988239, now seen corresponding path program 1 times [2023-12-15 23:38:11,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:11,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582304558] [2023-12-15 23:38:11,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:11,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:12,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:12,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:12,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582304558] [2023-12-15 23:38:12,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582304558] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:12,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:12,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-15 23:38:12,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402426585] [2023-12-15 23:38:12,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:12,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-15 23:38:12,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:12,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-15 23:38:12,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-15 23:38:12,236 INFO L87 Difference]: Start difference. First operand 308 states and 389 transitions. Second operand has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 11 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:12,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:12,656 INFO L93 Difference]: Finished difference Result 789 states and 1070 transitions. [2023-12-15 23:38:12,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:38:12,656 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 11 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2023-12-15 23:38:12,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:12,657 INFO L225 Difference]: With dead ends: 789 [2023-12-15 23:38:12,657 INFO L226 Difference]: Without dead ends: 773 [2023-12-15 23:38:12,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-12-15 23:38:12,658 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 1098 mSDsluCounter, 2053 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 2533 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:12,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 2533 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 23:38:12,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2023-12-15 23:38:12,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 259. [2023-12-15 23:38:12,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 258 states have (on average 1.2868217054263567) internal successors, (332), 258 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:12,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 332 transitions. [2023-12-15 23:38:12,662 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 332 transitions. Word has length 89 [2023-12-15 23:38:12,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:12,662 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 332 transitions. [2023-12-15 23:38:12,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 11 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:12,663 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 332 transitions. [2023-12-15 23:38:12,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-15 23:38:12,663 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:12,663 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:12,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-12-15 23:38:12,664 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:12,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:12,664 INFO L85 PathProgramCache]: Analyzing trace with hash -165402774, now seen corresponding path program 1 times [2023-12-15 23:38:12,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:12,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469501517] [2023-12-15 23:38:12,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:12,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:12,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:12,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:12,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469501517] [2023-12-15 23:38:12,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469501517] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:12,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:12,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:38:12,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210117328] [2023-12-15 23:38:12,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:12,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 23:38:12,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:12,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 23:38:12,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:38:12,763 INFO L87 Difference]: Start difference. First operand 259 states and 332 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:12,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:12,891 INFO L93 Difference]: Finished difference Result 1539 states and 2232 transitions. [2023-12-15 23:38:12,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-15 23:38:12,892 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2023-12-15 23:38:12,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:12,919 INFO L225 Difference]: With dead ends: 1539 [2023-12-15 23:38:12,919 INFO L226 Difference]: Without dead ends: 1411 [2023-12-15 23:38:12,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-12-15 23:38:12,920 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 1508 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 1386 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:12,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 1386 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 23:38:12,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1411 states. [2023-12-15 23:38:12,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1411 to 385. [2023-12-15 23:38:12,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 384 states have (on average 1.3463541666666667) internal successors, (517), 384 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:12,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 517 transitions. [2023-12-15 23:38:12,927 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 517 transitions. Word has length 117 [2023-12-15 23:38:12,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:12,928 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 517 transitions. [2023-12-15 23:38:12,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:12,928 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 517 transitions. [2023-12-15 23:38:12,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-15 23:38:12,929 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:12,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:12,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-12-15 23:38:12,929 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:12,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:12,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1482790931, now seen corresponding path program 1 times [2023-12-15 23:38:12,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:12,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770893514] [2023-12-15 23:38:12,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:12,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:13,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:13,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:13,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770893514] [2023-12-15 23:38:13,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770893514] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:13,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:13,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:38:13,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305112706] [2023-12-15 23:38:13,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:13,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 23:38:13,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:13,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 23:38:13,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:38:13,115 INFO L87 Difference]: Start difference. First operand 385 states and 517 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:13,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:13,230 INFO L93 Difference]: Finished difference Result 1783 states and 2578 transitions. [2023-12-15 23:38:13,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 23:38:13,232 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2023-12-15 23:38:13,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:13,234 INFO L225 Difference]: With dead ends: 1783 [2023-12-15 23:38:13,234 INFO L226 Difference]: Without dead ends: 1529 [2023-12-15 23:38:13,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:38:13,235 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 1184 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1184 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:13,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1184 Valid, 950 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 23:38:13,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2023-12-15 23:38:13,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 637. [2023-12-15 23:38:13,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 636 states have (on average 1.3977987421383649) internal successors, (889), 636 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:13,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 889 transitions. [2023-12-15 23:38:13,241 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 889 transitions. Word has length 119 [2023-12-15 23:38:13,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:13,241 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 889 transitions. [2023-12-15 23:38:13,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:13,256 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 889 transitions. [2023-12-15 23:38:13,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-15 23:38:13,257 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:13,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:13,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-12-15 23:38:13,257 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:13,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:13,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1751468666, now seen corresponding path program 1 times [2023-12-15 23:38:13,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:13,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184090688] [2023-12-15 23:38:13,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:13,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:13,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:13,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184090688] [2023-12-15 23:38:13,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184090688] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:13,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:13,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 23:38:13,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901139214] [2023-12-15 23:38:13,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:13,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 23:38:13,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:13,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 23:38:13,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:38:13,313 INFO L87 Difference]: Start difference. First operand 637 states and 889 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:13,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:13,329 INFO L93 Difference]: Finished difference Result 1597 states and 2291 transitions. [2023-12-15 23:38:13,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 23:38:13,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2023-12-15 23:38:13,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:13,332 INFO L225 Difference]: With dead ends: 1597 [2023-12-15 23:38:13,332 INFO L226 Difference]: Without dead ends: 1091 [2023-12-15 23:38:13,332 INFO L412 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 [2023-12-15 23:38:13,333 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 83 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 458 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 [2023-12-15 23:38:13,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 458 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 23:38:13,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2023-12-15 23:38:13,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1089. [2023-12-15 23:38:13,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 1088 states have (on average 1.4034926470588236) internal successors, (1527), 1088 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:13,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1527 transitions. [2023-12-15 23:38:13,341 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1527 transitions. Word has length 119 [2023-12-15 23:38:13,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:13,342 INFO L495 AbstractCegarLoop]: Abstraction has 1089 states and 1527 transitions. [2023-12-15 23:38:13,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:13,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1527 transitions. [2023-12-15 23:38:13,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-15 23:38:13,343 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:13,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:13,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-12-15 23:38:13,343 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:13,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:13,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1817962178, now seen corresponding path program 1 times [2023-12-15 23:38:13,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:13,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961120055] [2023-12-15 23:38:13,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:13,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:13,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:13,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:13,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961120055] [2023-12-15 23:38:13,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961120055] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:13,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:13,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:38:13,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779620980] [2023-12-15 23:38:13,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:13,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 23:38:13,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:13,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 23:38:13,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:38:13,502 INFO L87 Difference]: Start difference. First operand 1089 states and 1527 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:13,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:13,590 INFO L93 Difference]: Finished difference Result 2049 states and 2913 transitions. [2023-12-15 23:38:13,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 23:38:13,591 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2023-12-15 23:38:13,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:13,592 INFO L225 Difference]: With dead ends: 2049 [2023-12-15 23:38:13,593 INFO L226 Difference]: Without dead ends: 1091 [2023-12-15 23:38:13,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-12-15 23:38:13,595 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 324 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:13,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 556 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 23:38:13,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2023-12-15 23:38:13,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1089. [2023-12-15 23:38:13,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 1088 states have (on average 1.3998161764705883) internal successors, (1523), 1088 states have internal predecessors, (1523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:13,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1523 transitions. [2023-12-15 23:38:13,604 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1523 transitions. Word has length 119 [2023-12-15 23:38:13,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:13,604 INFO L495 AbstractCegarLoop]: Abstraction has 1089 states and 1523 transitions. [2023-12-15 23:38:13,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:13,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1523 transitions. [2023-12-15 23:38:13,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-15 23:38:13,605 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:13,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:13,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-12-15 23:38:13,605 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:13,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:13,606 INFO L85 PathProgramCache]: Analyzing trace with hash 785980435, now seen corresponding path program 1 times [2023-12-15 23:38:13,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:13,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456849147] [2023-12-15 23:38:13,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:13,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:13,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:13,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:13,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456849147] [2023-12-15 23:38:13,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456849147] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:13,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:13,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:38:13,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311695422] [2023-12-15 23:38:13,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:13,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 23:38:13,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:13,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 23:38:13,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:38:13,716 INFO L87 Difference]: Start difference. First operand 1089 states and 1523 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:13,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:13,810 INFO L93 Difference]: Finished difference Result 3731 states and 5333 transitions. [2023-12-15 23:38:13,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 23:38:13,810 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2023-12-15 23:38:13,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:13,812 INFO L225 Difference]: With dead ends: 3731 [2023-12-15 23:38:13,813 INFO L226 Difference]: Without dead ends: 3251 [2023-12-15 23:38:13,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:38:13,814 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 1106 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:13,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 982 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 23:38:13,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3251 states. [2023-12-15 23:38:13,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3251 to 1807. [2023-12-15 23:38:13,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1807 states, 1806 states have (on average 1.4147286821705427) internal successors, (2555), 1806 states have internal predecessors, (2555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:13,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 1807 states and 2555 transitions. [2023-12-15 23:38:13,829 INFO L78 Accepts]: Start accepts. Automaton has 1807 states and 2555 transitions. Word has length 119 [2023-12-15 23:38:13,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:13,829 INFO L495 AbstractCegarLoop]: Abstraction has 1807 states and 2555 transitions. [2023-12-15 23:38:13,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:13,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2555 transitions. [2023-12-15 23:38:13,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-15 23:38:13,830 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:13,830 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:13,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-12-15 23:38:13,831 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:13,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:13,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1213933037, now seen corresponding path program 1 times [2023-12-15 23:38:13,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:13,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312406186] [2023-12-15 23:38:13,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:13,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:13,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:13,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312406186] [2023-12-15 23:38:13,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312406186] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:13,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:13,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:38:13,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000806129] [2023-12-15 23:38:13,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:13,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 23:38:13,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:13,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 23:38:13,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:38:13,921 INFO L87 Difference]: Start difference. First operand 1807 states and 2555 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:14,007 INFO L93 Difference]: Finished difference Result 4209 states and 6021 transitions. [2023-12-15 23:38:14,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 23:38:14,008 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2023-12-15 23:38:14,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:14,010 INFO L225 Difference]: With dead ends: 4209 [2023-12-15 23:38:14,010 INFO L226 Difference]: Without dead ends: 3729 [2023-12-15 23:38:14,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:38:14,012 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 1026 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:14,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1026 Valid, 1050 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 23:38:14,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3729 states. [2023-12-15 23:38:14,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3729 to 2285. [2023-12-15 23:38:14,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2285 states, 2284 states have (on average 1.4198774080560421) internal successors, (3243), 2284 states have internal predecessors, (3243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 2285 states and 3243 transitions. [2023-12-15 23:38:14,030 INFO L78 Accepts]: Start accepts. Automaton has 2285 states and 3243 transitions. Word has length 119 [2023-12-15 23:38:14,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:14,031 INFO L495 AbstractCegarLoop]: Abstraction has 2285 states and 3243 transitions. [2023-12-15 23:38:14,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,031 INFO L276 IsEmpty]: Start isEmpty. Operand 2285 states and 3243 transitions. [2023-12-15 23:38:14,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-15 23:38:14,032 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:14,032 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:14,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-12-15 23:38:14,032 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:14,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:14,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1332783597, now seen corresponding path program 1 times [2023-12-15 23:38:14,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:14,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543906268] [2023-12-15 23:38:14,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:14,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:14,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:14,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:14,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543906268] [2023-12-15 23:38:14,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543906268] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:14,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:14,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:38:14,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790979855] [2023-12-15 23:38:14,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:14,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 23:38:14,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:14,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 23:38:14,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:38:14,125 INFO L87 Difference]: Start difference. First operand 2285 states and 3243 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:14,229 INFO L93 Difference]: Finished difference Result 4687 states and 6709 transitions. [2023-12-15 23:38:14,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 23:38:14,229 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2023-12-15 23:38:14,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:14,232 INFO L225 Difference]: With dead ends: 4687 [2023-12-15 23:38:14,232 INFO L226 Difference]: Without dead ends: 4207 [2023-12-15 23:38:14,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:38:14,233 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 1057 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1057 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:14,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1057 Valid, 1190 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 23:38:14,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4207 states. [2023-12-15 23:38:14,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4207 to 2763. [2023-12-15 23:38:14,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2763 states, 2762 states have (on average 1.4232440260680665) internal successors, (3931), 2762 states have internal predecessors, (3931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2763 states and 3931 transitions. [2023-12-15 23:38:14,256 INFO L78 Accepts]: Start accepts. Automaton has 2763 states and 3931 transitions. Word has length 119 [2023-12-15 23:38:14,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:14,256 INFO L495 AbstractCegarLoop]: Abstraction has 2763 states and 3931 transitions. [2023-12-15 23:38:14,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 3931 transitions. [2023-12-15 23:38:14,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-15 23:38:14,257 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:14,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:14,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-12-15 23:38:14,258 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:14,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:14,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1615981549, now seen corresponding path program 1 times [2023-12-15 23:38:14,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:14,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456830059] [2023-12-15 23:38:14,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:14,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:14,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:14,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456830059] [2023-12-15 23:38:14,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456830059] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:14,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:14,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:38:14,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321360683] [2023-12-15 23:38:14,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:14,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 23:38:14,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:14,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 23:38:14,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:38:14,347 INFO L87 Difference]: Start difference. First operand 2763 states and 3931 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:14,436 INFO L93 Difference]: Finished difference Result 5165 states and 7397 transitions. [2023-12-15 23:38:14,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 23:38:14,436 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2023-12-15 23:38:14,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:14,439 INFO L225 Difference]: With dead ends: 5165 [2023-12-15 23:38:14,439 INFO L226 Difference]: Without dead ends: 4685 [2023-12-15 23:38:14,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:38:14,440 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 1059 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1059 SdHoareTripleChecker+Valid, 1059 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:14,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1059 Valid, 1059 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 23:38:14,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4685 states. [2023-12-15 23:38:14,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4685 to 3241. [2023-12-15 23:38:14,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3241 states, 3240 states have (on average 1.4256172839506174) internal successors, (4619), 3240 states have internal predecessors, (4619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3241 states to 3241 states and 4619 transitions. [2023-12-15 23:38:14,465 INFO L78 Accepts]: Start accepts. Automaton has 3241 states and 4619 transitions. Word has length 119 [2023-12-15 23:38:14,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:14,465 INFO L495 AbstractCegarLoop]: Abstraction has 3241 states and 4619 transitions. [2023-12-15 23:38:14,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,465 INFO L276 IsEmpty]: Start isEmpty. Operand 3241 states and 4619 transitions. [2023-12-15 23:38:14,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-15 23:38:14,467 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:14,467 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:14,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-12-15 23:38:14,467 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:14,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:14,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1523285905, now seen corresponding path program 1 times [2023-12-15 23:38:14,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:14,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501034945] [2023-12-15 23:38:14,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:14,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:14,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:14,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:14,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501034945] [2023-12-15 23:38:14,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501034945] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:14,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:14,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 23:38:14,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545033677] [2023-12-15 23:38:14,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:14,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 23:38:14,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:14,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 23:38:14,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:38:14,552 INFO L87 Difference]: Start difference. First operand 3241 states and 4619 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:14,573 INFO L93 Difference]: Finished difference Result 8187 states and 11699 transitions. [2023-12-15 23:38:14,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 23:38:14,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2023-12-15 23:38:14,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:14,577 INFO L225 Difference]: With dead ends: 8187 [2023-12-15 23:38:14,577 INFO L226 Difference]: Without dead ends: 5077 [2023-12-15 23:38:14,579 INFO L412 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 [2023-12-15 23:38:14,579 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 96 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:14,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 421 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 23:38:14,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5077 states. [2023-12-15 23:38:14,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5077 to 4867. [2023-12-15 23:38:14,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4867 states, 4866 states have (on average 1.4145088368269625) internal successors, (6883), 4866 states have internal predecessors, (6883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4867 states to 4867 states and 6883 transitions. [2023-12-15 23:38:14,617 INFO L78 Accepts]: Start accepts. Automaton has 4867 states and 6883 transitions. Word has length 120 [2023-12-15 23:38:14,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:14,617 INFO L495 AbstractCegarLoop]: Abstraction has 4867 states and 6883 transitions. [2023-12-15 23:38:14,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,618 INFO L276 IsEmpty]: Start isEmpty. Operand 4867 states and 6883 transitions. [2023-12-15 23:38:14,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-15 23:38:14,618 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:14,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:14,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-12-15 23:38:14,619 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:14,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:14,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1249152130, now seen corresponding path program 1 times [2023-12-15 23:38:14,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:14,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802404916] [2023-12-15 23:38:14,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:14,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:14,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:14,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:14,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802404916] [2023-12-15 23:38:14,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802404916] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:14,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:14,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 23:38:14,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123691574] [2023-12-15 23:38:14,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:14,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 23:38:14,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:14,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 23:38:14,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:38:14,660 INFO L87 Difference]: Start difference. First operand 4867 states and 6883 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:14,686 INFO L93 Difference]: Finished difference Result 9731 states and 13804 transitions. [2023-12-15 23:38:14,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 23:38:14,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2023-12-15 23:38:14,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:14,690 INFO L225 Difference]: With dead ends: 9731 [2023-12-15 23:38:14,690 INFO L226 Difference]: Without dead ends: 4995 [2023-12-15 23:38:14,694 INFO L412 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 [2023-12-15 23:38:14,694 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 111 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:14,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 319 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 23:38:14,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4995 states. [2023-12-15 23:38:14,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4995 to 4993. [2023-12-15 23:38:14,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4993 states, 4992 states have (on average 1.4038461538461537) internal successors, (7008), 4992 states have internal predecessors, (7008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4993 states to 4993 states and 7008 transitions. [2023-12-15 23:38:14,731 INFO L78 Accepts]: Start accepts. Automaton has 4993 states and 7008 transitions. Word has length 121 [2023-12-15 23:38:14,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:14,732 INFO L495 AbstractCegarLoop]: Abstraction has 4993 states and 7008 transitions. [2023-12-15 23:38:14,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,732 INFO L276 IsEmpty]: Start isEmpty. Operand 4993 states and 7008 transitions. [2023-12-15 23:38:14,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-15 23:38:14,733 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:14,733 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:14,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-12-15 23:38:14,733 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:14,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:14,733 INFO L85 PathProgramCache]: Analyzing trace with hash 347615679, now seen corresponding path program 1 times [2023-12-15 23:38:14,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:14,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742321823] [2023-12-15 23:38:14,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:14,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:38:14,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:38:14,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:38:14,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742321823] [2023-12-15 23:38:14,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742321823] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:38:14,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:38:14,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 23:38:14,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672344775] [2023-12-15 23:38:14,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:38:14,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 23:38:14,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:38:14,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 23:38:14,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 23:38:14,803 INFO L87 Difference]: Start difference. First operand 4993 states and 7008 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:38:14,834 INFO L93 Difference]: Finished difference Result 14397 states and 20180 transitions. [2023-12-15 23:38:14,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 23:38:14,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2023-12-15 23:38:14,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:38:14,842 INFO L225 Difference]: With dead ends: 14397 [2023-12-15 23:38:14,842 INFO L226 Difference]: Without dead ends: 9535 [2023-12-15 23:38:14,847 INFO L412 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 [2023-12-15 23:38:14,847 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 89 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 23:38:14,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 418 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 23:38:14,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9535 states. [2023-12-15 23:38:14,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9535 to 9213. [2023-12-15 23:38:14,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9213 states, 9212 states have (on average 1.3930742509769865) internal successors, (12833), 9212 states have internal predecessors, (12833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9213 states to 9213 states and 12833 transitions. [2023-12-15 23:38:14,923 INFO L78 Accepts]: Start accepts. Automaton has 9213 states and 12833 transitions. Word has length 121 [2023-12-15 23:38:14,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:38:14,924 INFO L495 AbstractCegarLoop]: Abstraction has 9213 states and 12833 transitions. [2023-12-15 23:38:14,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:38:14,924 INFO L276 IsEmpty]: Start isEmpty. Operand 9213 states and 12833 transitions. [2023-12-15 23:38:14,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-15 23:38:14,925 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:38:14,925 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:38:14,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-12-15 23:38:14,925 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-15 23:38:14,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:38:14,925 INFO L85 PathProgramCache]: Analyzing trace with hash 956978660, now seen corresponding path program 1 times [2023-12-15 23:38:14,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:38:14,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905936573] [2023-12-15 23:38:14,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:38:14,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:38:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-12-15 23:38:15,015 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,015 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,015 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,015 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,016 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,016 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,016 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,016 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,016 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,016 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,016 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,017 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,017 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,017 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,017 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,017 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,017 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,017 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,018 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,018 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,018 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,018 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,018 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,018 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,018 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,019 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,019 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,019 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,019 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,019 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,019 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,019 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,020 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,020 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,032 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,032 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,032 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,032 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,032 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,033 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,033 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,033 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,033 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,033 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,033 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,033 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,034 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,034 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,034 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,034 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,034 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,034 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,034 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,035 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,035 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,035 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,035 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,035 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,035 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,035 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,035 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,036 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,036 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,036 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,036 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,036 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,036 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,036 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,037 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,037 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,037 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,037 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,037 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,037 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,037 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,037 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,038 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,038 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,038 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,038 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,038 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,038 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,038 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,039 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,039 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,039 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,039 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,039 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,039 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,039 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,040 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,040 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,040 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,040 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,040 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,040 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,040 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,040 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,041 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,041 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,041 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,041 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,041 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,041 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,041 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,042 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,042 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-15 23:38:15,044 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,051 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,051 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,051 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,052 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,052 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,052 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,052 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,057 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,057 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,057 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,057 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,057 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,058 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,058 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,058 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2023-12-15 23:38:15,061 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (15 of 16 remaining) [2023-12-15 23:38:15,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-12-15 23:38:15,062 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 123 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 121 interpolants. [2023-12-15 23:38:15,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 16 remaining) [2023-12-15 23:38:15,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (13 of 16 remaining) [2023-12-15 23:38:15,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (12 of 16 remaining) [2023-12-15 23:38:15,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (11 of 16 remaining) [2023-12-15 23:38:15,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (10 of 16 remaining) [2023-12-15 23:38:15,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (9 of 16 remaining) [2023-12-15 23:38:15,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (8 of 16 remaining) [2023-12-15 23:38:15,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (7 of 16 remaining) [2023-12-15 23:38:15,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (6 of 16 remaining) [2023-12-15 23:38:15,063 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (5 of 16 remaining) [2023-12-15 23:38:15,064 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (4 of 16 remaining) [2023-12-15 23:38:15,064 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (3 of 16 remaining) [2023-12-15 23:38:15,064 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (2 of 16 remaining) [2023-12-15 23:38:15,064 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (1 of 16 remaining) [2023-12-15 23:38:15,064 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (0 of 16 remaining) [2023-12-15 23:38:15,066 INFO L445 BasicCegarLoop]: Path program 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] [2023-12-15 23:38:15,068 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 23:38:15,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 11:38:15 BoogieIcfgContainer [2023-12-15 23:38:15,070 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 23:38:15,075 INFO L158 Benchmark]: Toolchain (without parser) took 53243.04ms. Allocated memory was 215.0MB in the beginning and 805.3MB in the end (delta: 590.3MB). Free memory was 153.1MB in the beginning and 340.7MB in the end (delta: -187.6MB). Peak memory consumption was 404.1MB. Max. memory is 8.0GB. [2023-12-15 23:38:15,076 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 215.0MB. Free memory was 161.9MB in the beginning and 161.8MB in the end (delta: 150.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 23:38:15,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1085.08ms. Allocated memory is still 215.0MB. Free memory was 152.9MB in the beginning and 81.3MB in the end (delta: 71.5MB). Peak memory consumption was 74.7MB. Max. memory is 8.0GB. [2023-12-15 23:38:15,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 179.29ms. Allocated memory was 215.0MB in the beginning and 292.6MB in the end (delta: 77.6MB). Free memory was 81.3MB in the beginning and 246.9MB in the end (delta: -165.5MB). Peak memory consumption was 35.8MB. Max. memory is 8.0GB. [2023-12-15 23:38:15,076 INFO L158 Benchmark]: Boogie Preprocessor took 158.37ms. Allocated memory is still 292.6MB. Free memory was 246.9MB in the beginning and 224.1MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-12-15 23:38:15,076 INFO L158 Benchmark]: RCFGBuilder took 2303.46ms. Allocated memory is still 292.6MB. Free memory was 224.1MB in the beginning and 150.4MB in the end (delta: 73.7MB). Peak memory consumption was 121.3MB. Max. memory is 8.0GB. [2023-12-15 23:38:15,076 INFO L158 Benchmark]: TraceAbstraction took 49511.12ms. Allocated memory was 292.6MB in the beginning and 805.3MB in the end (delta: 512.8MB). Free memory was 149.4MB in the beginning and 340.7MB in the end (delta: -191.3MB). Peak memory consumption was 321.5MB. Max. memory is 8.0GB. [2023-12-15 23:38:15,078 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 215.0MB. Free memory was 161.9MB in the beginning and 161.8MB in the end (delta: 150.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1085.08ms. Allocated memory is still 215.0MB. Free memory was 152.9MB in the beginning and 81.3MB in the end (delta: 71.5MB). Peak memory consumption was 74.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 179.29ms. Allocated memory was 215.0MB in the beginning and 292.6MB in the end (delta: 77.6MB). Free memory was 81.3MB in the beginning and 246.9MB in the end (delta: -165.5MB). Peak memory consumption was 35.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 158.37ms. Allocated memory is still 292.6MB. Free memory was 246.9MB in the beginning and 224.1MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * RCFGBuilder took 2303.46ms. Allocated memory is still 292.6MB. Free memory was 224.1MB in the beginning and 150.4MB in the end (delta: 73.7MB). Peak memory consumption was 121.3MB. Max. memory is 8.0GB. * TraceAbstraction took 49511.12ms. Allocated memory was 292.6MB in the beginning and 805.3MB in the end (delta: 512.8MB). Free memory was 149.4MB in the beginning and 340.7MB in the end (delta: -191.3MB). Peak memory consumption was 321.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 7721]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7721). Cancelled while NwaCegarLoop was analyzing trace of length 123 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 121 interpolants. - TimeoutResultAtElement [Line: 2623]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2623). Cancelled while NwaCegarLoop was analyzing trace of length 123 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 121 interpolants. - TimeoutResultAtElement [Line: 3813]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3813). Cancelled while NwaCegarLoop was analyzing trace of length 123 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 121 interpolants. - TimeoutResultAtElement [Line: 4403]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 4403). Cancelled while NwaCegarLoop was analyzing trace of length 123 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 121 interpolants. - TimeoutResultAtElement [Line: 4695]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 4695). Cancelled while NwaCegarLoop was analyzing trace of length 123 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 121 interpolants. - TimeoutResultAtElement [Line: 4973]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 4973). Cancelled while NwaCegarLoop was analyzing trace of length 123 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 121 interpolants. - TimeoutResultAtElement [Line: 6229]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 6229). Cancelled while NwaCegarLoop was analyzing trace of length 123 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 121 interpolants. - TimeoutResultAtElement [Line: 6820]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 6820). Cancelled while NwaCegarLoop was analyzing trace of length 123 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 121 interpolants. - TimeoutResultAtElement [Line: 7113]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7113). Cancelled while NwaCegarLoop was analyzing trace of length 123 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 121 interpolants. - TimeoutResultAtElement [Line: 7392]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7392). Cancelled while NwaCegarLoop was analyzing trace of length 123 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 121 interpolants. - TimeoutResultAtElement [Line: 8010]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 8010). Cancelled while NwaCegarLoop was analyzing trace of length 123 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 121 interpolants. - TimeoutResultAtElement [Line: 8303]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 8303). Cancelled while NwaCegarLoop was analyzing trace of length 123 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 121 interpolants. - TimeoutResultAtElement [Line: 8582]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 8582). Cancelled while NwaCegarLoop was analyzing trace of length 123 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 121 interpolants. - TimeoutResultAtElement [Line: 8885]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 8885). Cancelled while NwaCegarLoop was analyzing trace of length 123 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 121 interpolants. - TimeoutResultAtElement [Line: 9169]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 9169). Cancelled while NwaCegarLoop was analyzing trace of length 123 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 121 interpolants. - TimeoutResultAtElement [Line: 9457]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 9457). Cancelled while NwaCegarLoop was analyzing trace of length 123 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 121 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1191 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 49.5s, OverallIterations: 60, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 33.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 98796 SdHoareTripleChecker+Valid, 23.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98796 mSDsluCounter, 123814 SdHoareTripleChecker+Invalid, 19.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 98273 mSDsCounter, 587 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52636 IncrementalHoareTripleChecker+Invalid, 53223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 587 mSolverCounterUnsat, 25541 mSDtfsCounter, 52636 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1021 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 950 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3007 ImplicationChecksByTransitivity, 11.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9213occurred in iteration=59, InterpolantAutomatonStates: 766, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 59 MinimizatonAttempts, 35030 StatesRemovedByMinimization, 54 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 5222 NumberOfCodeBlocks, 5222 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 5163 ConstructedInterpolants, 0 QuantifiedInterpolants, 55995 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 59 InterpolantComputations, 59 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown