./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c --full-output --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/automizer/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/automizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/automizer/data -tc /storage/repos/certificate-witnesses-artifact/automizer/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c -s /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/certificate-witnesses-artifact/automizer --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b8ad5d8740269626905d9d5a2468afdc53741ffbc53080bd6ac9ee1933c3998 --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 17:58:37,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 17:58:37,832 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-12 17:58:37,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 17:58:37,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 17:58:37,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 17:58:37,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 17:58:37,877 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 17:58:37,878 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 17:58:37,879 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 17:58:37,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 17:58:37,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 17:58:37,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 17:58:37,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 17:58:37,884 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 17:58:37,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 17:58:37,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 17:58:37,885 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 17:58:37,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 17:58:37,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 17:58:37,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 17:58:37,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 17:58:37,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 17:58:37,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 17:58:37,891 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 17:58:37,891 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 17:58:37,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 17:58:37,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 17:58:37,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 17:58:37,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 17:58:37,893 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 17:58:37,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 17:58:37,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 17:58:37,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 17:58:37,894 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 17:58:37,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 17:58:37,894 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 17:58:37,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 17:58:37,895 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 17:58:37,896 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 17:58:37,896 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 17:58:37,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 17:58:37,897 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/certificate-witnesses-artifact/automizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b8ad5d8740269626905d9d5a2468afdc53741ffbc53080bd6ac9ee1933c3998 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 17:58:38,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 17:58:38,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 17:58:38,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 17:58:38,266 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 17:58:38,267 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 17:58:38,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2024-09-12 17:58:39,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 17:58:40,156 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 17:58:40,156 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2024-09-12 17:58:40,179 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/8a5c24231/edec41506dbd4b6cb965bdaa4f590a22/FLAGdbab2cf78 [2024-09-12 17:58:40,195 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/8a5c24231/edec41506dbd4b6cb965bdaa4f590a22 [2024-09-12 17:58:40,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 17:58:40,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-12 17:58:40,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 17:58:40,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 17:58:40,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 17:58:40,206 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 05:58:40" (1/1) ... [2024-09-12 17:58:40,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18fb8e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:40, skipping insertion in model container [2024-09-12 17:58:40,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 05:58:40" (1/1) ... [2024-09-12 17:58:40,292 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 17:58:40,484 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[1000,1013] [2024-09-12 17:58:40,489 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[1215,1228] [2024-09-12 17:58:40,952 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[83573,83586] [2024-09-12 17:58:40,958 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[83794,83807] [2024-09-12 17:58:40,962 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84257,84270] [2024-09-12 17:58:40,969 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84478,84491] [2024-09-12 17:58:40,973 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84801,84814] [2024-09-12 17:58:40,976 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85022,85035] [2024-09-12 17:58:40,979 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85521,85534] [2024-09-12 17:58:40,982 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85742,85755] [2024-09-12 17:58:40,986 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86050,86063] [2024-09-12 17:58:40,989 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86271,86284] [2024-09-12 17:58:40,992 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86594,86607] [2024-09-12 17:58:40,995 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86815,86828] [2024-09-12 17:58:40,999 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[87258,87271] [2024-09-12 17:58:41,002 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[87479,87492] [2024-09-12 17:58:41,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 17:58:41,039 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 17:58:41,067 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[1000,1013] [2024-09-12 17:58:41,067 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[1215,1228] [2024-09-12 17:58:41,248 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[83573,83586] [2024-09-12 17:58:41,251 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[83794,83807] [2024-09-12 17:58:41,254 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84257,84270] [2024-09-12 17:58:41,257 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84478,84491] [2024-09-12 17:58:41,260 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[84801,84814] [2024-09-12 17:58:41,263 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85022,85035] [2024-09-12 17:58:41,279 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85521,85534] [2024-09-12 17:58:41,282 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[85742,85755] [2024-09-12 17:58:41,287 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86050,86063] [2024-09-12 17:58:41,290 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86271,86284] [2024-09-12 17:58:41,293 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86594,86607] [2024-09-12 17:58:41,297 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[86815,86828] [2024-09-12 17:58:41,301 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[87258,87271] [2024-09-12 17:58:41,304 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+sep-reducer.c[87479,87492] [2024-09-12 17:58:41,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 17:58:41,330 INFO L204 MainTranslator]: Completed translation [2024-09-12 17:58:41,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:41 WrapperNode [2024-09-12 17:58:41,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 17:58:41,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-12 17:58:41,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-12 17:58:41,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-12 17:58:41,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:41" (1/1) ... [2024-09-12 17:58:41,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:41" (1/1) ... [2024-09-12 17:58:41,389 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-12 17:58:41,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-12 17:58:41,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 17:58:41,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 17:58:41,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 17:58:41,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:41" (1/1) ... [2024-09-12 17:58:41,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:41" (1/1) ... [2024-09-12 17:58:41,410 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:41" (1/1) ... [2024-09-12 17:58:41,455 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-12 17:58:41,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:41" (1/1) ... [2024-09-12 17:58:41,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:41" (1/1) ... [2024-09-12 17:58:41,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:41" (1/1) ... [2024-09-12 17:58:41,563 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:41" (1/1) ... [2024-09-12 17:58:41,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:41" (1/1) ... [2024-09-12 17:58:41,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:41" (1/1) ... [2024-09-12 17:58:41,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 17:58:41,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 17:58:41,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 17:58:41,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 17:58:41,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:41" (1/1) ... [2024-09-12 17:58:41,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 17:58:41,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:58:41,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 17:58:41,631 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 17:58:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 17:58:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 17:58:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 17:58:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-12 17:58:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 17:58:41,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 17:58:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 17:58:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 17:58:41,939 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 17:58:41,942 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 17:58:43,768 INFO L? ?]: Removed 1419 outVars from TransFormulas that were not future-live. [2024-09-12 17:58:43,768 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 17:58:43,822 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 17:58:43,823 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 17:58:43,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 05:58:43 BoogieIcfgContainer [2024-09-12 17:58:43,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 17:58:43,827 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-12 17:58:43,828 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-12 17:58:43,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-12 17:58:43,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.09 05:58:40" (1/3) ... [2024-09-12 17:58:43,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e490692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 05:58:43, skipping insertion in model container [2024-09-12 17:58:43,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:41" (2/3) ... [2024-09-12 17:58:43,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e490692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 05:58:43, skipping insertion in model container [2024-09-12 17:58:43,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 05:58:43" (3/3) ... [2024-09-12 17:58:43,833 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+sep-reducer.c [2024-09-12 17:58:43,849 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-12 17:58:43,849 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 276 error locations. [2024-09-12 17:58:43,935 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-12 17:58:43,941 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@5ffe6074, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-12 17:58:43,941 INFO L337 AbstractCegarLoop]: Starting to check reachability of 276 error locations. [2024-09-12 17:58:43,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 999 states, 718 states have (on average 1.9791086350974931) internal successors, (1421), 994 states have internal predecessors, (1421), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-12 17:58:43,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-09-12 17:58:43,955 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:43,956 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:58:43,956 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:58:43,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:43,961 INFO L85 PathProgramCache]: Analyzing trace with hash -254090464, now seen corresponding path program 1 times [2024-09-12 17:58:43,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:43,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082833164] [2024-09-12 17:58:43,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:43,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:44,217 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:44,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:44,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:44,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082833164] [2024-09-12 17:58:44,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082833164] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:44,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:44,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 17:58:44,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826985894] [2024-09-12 17:58:44,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:44,246 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 17:58:44,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:44,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 17:58:44,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:58:44,272 INFO L87 Difference]: Start difference. First operand has 999 states, 718 states have (on average 1.9791086350974931) internal successors, (1421), 994 states have internal predecessors, (1421), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:47,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:47,007 INFO L93 Difference]: Finished difference Result 1013 states and 1440 transitions. [2024-09-12 17:58:47,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 17:58:47,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2024-09-12 17:58:47,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:47,037 INFO L225 Difference]: With dead ends: 1013 [2024-09-12 17:58:47,038 INFO L226 Difference]: Without dead ends: 982 [2024-09-12 17:58:47,042 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-12 17:58:47,046 INFO L434 NwaCegarLoop]: 163 mSDtfsCounter, 1185 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 2752 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 2753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:47,048 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 297 Invalid, 2753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2752 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-09-12 17:58:47,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2024-09-12 17:58:47,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 975. [2024-09-12 17:58:47,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 697 states have (on average 1.5796269727403156) internal successors, (1101), 971 states have internal predecessors, (1101), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:47,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1104 transitions. [2024-09-12 17:58:47,309 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1104 transitions. Word has length 7 [2024-09-12 17:58:47,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:47,309 INFO L474 AbstractCegarLoop]: Abstraction has 975 states and 1104 transitions. [2024-09-12 17:58:47,309 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:47,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:47,311 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1104 transitions. [2024-09-12 17:58:47,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-09-12 17:58:47,311 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:47,312 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:58:47,312 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-12 17:58:47,312 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:58:47,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:47,316 INFO L85 PathProgramCache]: Analyzing trace with hash 713130250, now seen corresponding path program 1 times [2024-09-12 17:58:47,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:47,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17885215] [2024-09-12 17:58:47,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:47,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:47,412 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:47,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:47,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17885215] [2024-09-12 17:58:47,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17885215] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:47,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:47,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 17:58:47,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515608798] [2024-09-12 17:58:47,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:47,429 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 17:58:47,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:47,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 17:58:47,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:58:47,434 INFO L87 Difference]: Start difference. First operand 975 states and 1104 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:48,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:48,894 INFO L93 Difference]: Finished difference Result 982 states and 1110 transitions. [2024-09-12 17:58:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 17:58:48,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2024-09-12 17:58:48,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:48,900 INFO L225 Difference]: With dead ends: 982 [2024-09-12 17:58:48,900 INFO L226 Difference]: Without dead ends: 981 [2024-09-12 17:58:48,901 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-12 17:58:48,902 INFO L434 NwaCegarLoop]: 97 mSDtfsCounter, 2009 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1196 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2009 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:48,903 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [2009 Valid, 107 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1196 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-09-12 17:58:48,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2024-09-12 17:58:49,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 974. [2024-09-12 17:58:49,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 974 states, 697 states have (on average 1.5781922525107603) internal successors, (1100), 970 states have internal predecessors, (1100), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:49,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1103 transitions. [2024-09-12 17:58:49,114 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1103 transitions. Word has length 8 [2024-09-12 17:58:49,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:49,114 INFO L474 AbstractCegarLoop]: Abstraction has 974 states and 1103 transitions. [2024-09-12 17:58:49,114 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:49,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:49,115 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1103 transitions. [2024-09-12 17:58:49,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-09-12 17:58:49,116 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:49,116 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:58:49,117 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-12 17:58:49,117 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr2ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:58:49,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:49,117 INFO L85 PathProgramCache]: Analyzing trace with hash 477828974, now seen corresponding path program 1 times [2024-09-12 17:58:49,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:49,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914465558] [2024-09-12 17:58:49,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:49,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:49,251 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:49,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:49,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:49,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914465558] [2024-09-12 17:58:49,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914465558] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:49,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:49,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 17:58:49,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073084772] [2024-09-12 17:58:49,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:49,259 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 17:58:49,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:49,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 17:58:49,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 17:58:49,260 INFO L87 Difference]: Start difference. First operand 974 states and 1103 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:51,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:51,113 INFO L93 Difference]: Finished difference Result 979 states and 1108 transitions. [2024-09-12 17:58:51,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 17:58:51,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-09-12 17:58:51,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:51,118 INFO L225 Difference]: With dead ends: 979 [2024-09-12 17:58:51,119 INFO L226 Difference]: Without dead ends: 848 [2024-09-12 17:58:51,120 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:58:51,121 INFO L434 NwaCegarLoop]: 48 mSDtfsCounter, 1494 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 2157 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 2416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 2157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:51,121 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 106 Invalid, 2416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 2157 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-09-12 17:58:51,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-09-12 17:58:51,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 843. [2024-09-12 17:58:51,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 696 states have (on average 1.3922413793103448) internal successors, (969), 839 states have internal predecessors, (969), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:51,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 972 transitions. [2024-09-12 17:58:51,257 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 972 transitions. Word has length 12 [2024-09-12 17:58:51,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:51,258 INFO L474 AbstractCegarLoop]: Abstraction has 843 states and 972 transitions. [2024-09-12 17:58:51,258 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:51,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:51,259 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 972 transitions. [2024-09-12 17:58:51,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-09-12 17:58:51,260 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:51,260 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:58:51,260 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-12 17:58:51,260 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr3ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:58:51,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:51,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1927799371, now seen corresponding path program 1 times [2024-09-12 17:58:51,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:51,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539609231] [2024-09-12 17:58:51,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:51,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:51,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:51,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:51,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:51,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539609231] [2024-09-12 17:58:51,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539609231] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:51,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:51,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-12 17:58:51,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308586015] [2024-09-12 17:58:51,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:51,446 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 17:58:51,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:51,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 17:58:51,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-09-12 17:58:51,447 INFO L87 Difference]: Start difference. First operand 843 states and 972 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:53,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:53,630 INFO L93 Difference]: Finished difference Result 848 states and 977 transitions. [2024-09-12 17:58:53,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-12 17:58:53,631 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-09-12 17:58:53,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:53,635 INFO L225 Difference]: With dead ends: 848 [2024-09-12 17:58:53,635 INFO L226 Difference]: Without dead ends: 836 [2024-09-12 17:58:53,636 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-09-12 17:58:53,637 INFO L434 NwaCegarLoop]: 108 mSDtfsCounter, 828 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 2807 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 2935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 2807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:53,638 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 265 Invalid, 2935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 2807 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-09-12 17:58:53,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-09-12 17:58:53,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 836. [2024-09-12 17:58:53,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 692 states have (on average 1.3034682080924855) internal successors, (902), 832 states have internal predecessors, (902), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:53,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 905 transitions. [2024-09-12 17:58:53,785 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 905 transitions. Word has length 13 [2024-09-12 17:58:53,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:53,786 INFO L474 AbstractCegarLoop]: Abstraction has 836 states and 905 transitions. [2024-09-12 17:58:53,786 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:53,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:53,787 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 905 transitions. [2024-09-12 17:58:53,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-09-12 17:58:53,788 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:53,788 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:58:53,788 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-12 17:58:53,788 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:58:53,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:53,789 INFO L85 PathProgramCache]: Analyzing trace with hash 442602433, now seen corresponding path program 1 times [2024-09-12 17:58:53,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:53,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858047577] [2024-09-12 17:58:53,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:53,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:53,880 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:53,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:53,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:53,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858047577] [2024-09-12 17:58:53,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858047577] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:53,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:53,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 17:58:53,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835574741] [2024-09-12 17:58:53,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:53,886 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 17:58:53,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:53,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 17:58:53,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 17:58:53,887 INFO L87 Difference]: Start difference. First operand 836 states and 905 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:55,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:55,411 INFO L93 Difference]: Finished difference Result 842 states and 911 transitions. [2024-09-12 17:58:55,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 17:58:55,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-09-12 17:58:55,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:55,416 INFO L225 Difference]: With dead ends: 842 [2024-09-12 17:58:55,416 INFO L226 Difference]: Without dead ends: 838 [2024-09-12 17:58:55,417 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-09-12 17:58:55,417 INFO L434 NwaCegarLoop]: 109 mSDtfsCounter, 756 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 2625 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 2630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:55,418 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 206 Invalid, 2630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2625 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-09-12 17:58:55,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-09-12 17:58:55,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2024-09-12 17:58:55,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 697 states have (on average 1.296987087517934) internal successors, (904), 834 states have internal predecessors, (904), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:55,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 907 transitions. [2024-09-12 17:58:55,552 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 907 transitions. Word has length 20 [2024-09-12 17:58:55,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:55,552 INFO L474 AbstractCegarLoop]: Abstraction has 838 states and 907 transitions. [2024-09-12 17:58:55,552 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:55,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:55,553 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 907 transitions. [2024-09-12 17:58:55,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-09-12 17:58:55,554 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:55,554 INFO L216 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] [2024-09-12 17:58:55,554 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-12 17:58:55,554 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:58:55,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:55,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1568337064, now seen corresponding path program 1 times [2024-09-12 17:58:55,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:55,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934995183] [2024-09-12 17:58:55,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:55,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:55,651 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:55,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:55,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:55,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934995183] [2024-09-12 17:58:55,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934995183] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:55,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:55,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 17:58:55,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300202815] [2024-09-12 17:58:55,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:55,660 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 17:58:55,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:55,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 17:58:55,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:58:55,660 INFO L87 Difference]: Start difference. First operand 838 states and 907 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:57,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:57,290 INFO L93 Difference]: Finished difference Result 855 states and 926 transitions. [2024-09-12 17:58:57,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 17:58:57,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-09-12 17:58:57,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:57,295 INFO L225 Difference]: With dead ends: 855 [2024-09-12 17:58:57,295 INFO L226 Difference]: Without dead ends: 850 [2024-09-12 17:58:57,295 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-09-12 17:58:57,296 INFO L434 NwaCegarLoop]: 98 mSDtfsCounter, 794 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 2637 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 2647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:57,296 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 201 Invalid, 2647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2637 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-09-12 17:58:57,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-09-12 17:58:57,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 850. [2024-09-12 17:58:57,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 712 states have (on average 1.2893258426966292) internal successors, (918), 846 states have internal predecessors, (918), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:57,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 921 transitions. [2024-09-12 17:58:57,419 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 921 transitions. Word has length 26 [2024-09-12 17:58:57,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:57,419 INFO L474 AbstractCegarLoop]: Abstraction has 850 states and 921 transitions. [2024-09-12 17:58:57,419 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:57,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:57,420 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 921 transitions. [2024-09-12 17:58:57,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-09-12 17:58:57,421 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:57,421 INFO L216 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] [2024-09-12 17:58:57,421 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-12 17:58:57,422 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:58:57,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:57,422 INFO L85 PathProgramCache]: Analyzing trace with hash -356366879, now seen corresponding path program 1 times [2024-09-12 17:58:57,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:57,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042980233] [2024-09-12 17:58:57,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:57,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:57,545 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:57,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:57,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:57,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042980233] [2024-09-12 17:58:57,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042980233] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:57,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:57,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-12 17:58:57,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387888929] [2024-09-12 17:58:57,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:57,551 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 17:58:57,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:57,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 17:58:57,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-09-12 17:58:57,552 INFO L87 Difference]: Start difference. First operand 850 states and 921 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:59,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:59,278 INFO L93 Difference]: Finished difference Result 885 states and 960 transitions. [2024-09-12 17:58:59,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-12 17:58:59,278 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2024-09-12 17:58:59,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:59,282 INFO L225 Difference]: With dead ends: 885 [2024-09-12 17:58:59,282 INFO L226 Difference]: Without dead ends: 879 [2024-09-12 17:58:59,282 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-09-12 17:58:59,283 INFO L434 NwaCegarLoop]: 86 mSDtfsCounter, 827 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 3431 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 3446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 3431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:59,283 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 237 Invalid, 3446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 3431 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-09-12 17:58:59,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2024-09-12 17:58:59,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 879. [2024-09-12 17:58:59,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 743 states have (on average 1.2799461641991925) internal successors, (951), 875 states have internal predecessors, (951), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:59,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 954 transitions. [2024-09-12 17:58:59,410 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 954 transitions. Word has length 32 [2024-09-12 17:58:59,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:59,411 INFO L474 AbstractCegarLoop]: Abstraction has 879 states and 954 transitions. [2024-09-12 17:58:59,411 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:59,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:59,412 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 954 transitions. [2024-09-12 17:58:59,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-09-12 17:58:59,416 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:59,416 INFO L216 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] [2024-09-12 17:58:59,416 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-12 17:58:59,416 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:58:59,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:59,417 INFO L85 PathProgramCache]: Analyzing trace with hash 66265350, now seen corresponding path program 1 times [2024-09-12 17:58:59,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:59,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265879903] [2024-09-12 17:58:59,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:59,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:59,545 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:59,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:59,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:59,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265879903] [2024-09-12 17:58:59,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265879903] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:59,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:59,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-12 17:58:59,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337419334] [2024-09-12 17:58:59,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:59,553 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-12 17:58:59,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:59,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-12 17:58:59,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:58:59,556 INFO L87 Difference]: Start difference. First operand 879 states and 954 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:01,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:01,413 INFO L93 Difference]: Finished difference Result 915 states and 994 transitions. [2024-09-12 17:59:01,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-12 17:59:01,413 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-09-12 17:59:01,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:01,417 INFO L225 Difference]: With dead ends: 915 [2024-09-12 17:59:01,417 INFO L226 Difference]: Without dead ends: 909 [2024-09-12 17:59:01,418 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-09-12 17:59:01,418 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 848 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 4176 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 4195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:01,418 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 278 Invalid, 4195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4176 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-09-12 17:59:01,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2024-09-12 17:59:01,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 909. [2024-09-12 17:59:01,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 909 states, 775 states have (on average 1.270967741935484) internal successors, (985), 905 states have internal predecessors, (985), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:01,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 988 transitions. [2024-09-12 17:59:01,527 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 988 transitions. Word has length 38 [2024-09-12 17:59:01,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:01,527 INFO L474 AbstractCegarLoop]: Abstraction has 909 states and 988 transitions. [2024-09-12 17:59:01,527 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:01,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:01,528 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 988 transitions. [2024-09-12 17:59:01,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-09-12 17:59:01,529 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:01,529 INFO L216 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] [2024-09-12 17:59:01,529 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-12 17:59:01,530 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:01,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:01,530 INFO L85 PathProgramCache]: Analyzing trace with hash 534933277, now seen corresponding path program 1 times [2024-09-12 17:59:01,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:01,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236276407] [2024-09-12 17:59:01,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:01,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:01,658 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:01,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:01,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:01,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236276407] [2024-09-12 17:59:01,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236276407] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:01,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:01,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-12 17:59:01,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555300756] [2024-09-12 17:59:01,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:01,677 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-12 17:59:01,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:01,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-12 17:59:01,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-09-12 17:59:01,679 INFO L87 Difference]: Start difference. First operand 909 states and 988 transitions. Second operand has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:02,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:02,994 INFO L93 Difference]: Finished difference Result 945 states and 1028 transitions. [2024-09-12 17:59:02,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-12 17:59:02,994 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2024-09-12 17:59:02,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:02,998 INFO L225 Difference]: With dead ends: 945 [2024-09-12 17:59:02,998 INFO L226 Difference]: Without dead ends: 939 [2024-09-12 17:59:02,999 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2024-09-12 17:59:02,999 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 1057 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 1954 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1057 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 1998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:02,999 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1057 Valid, 182 Invalid, 1998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1954 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-09-12 17:59:03,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2024-09-12 17:59:03,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 939. [2024-09-12 17:59:03,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 807 states have (on average 1.2627013630731103) internal successors, (1019), 935 states have internal predecessors, (1019), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:03,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1022 transitions. [2024-09-12 17:59:03,099 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1022 transitions. Word has length 44 [2024-09-12 17:59:03,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:03,100 INFO L474 AbstractCegarLoop]: Abstraction has 939 states and 1022 transitions. [2024-09-12 17:59:03,100 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:03,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:03,100 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1022 transitions. [2024-09-12 17:59:03,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-09-12 17:59:03,102 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:03,102 INFO L216 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] [2024-09-12 17:59:03,102 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-12 17:59:03,102 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:03,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:03,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1866624180, now seen corresponding path program 1 times [2024-09-12 17:59:03,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:03,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674213425] [2024-09-12 17:59:03,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:03,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:03,294 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:03,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:03,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:03,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674213425] [2024-09-12 17:59:03,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674213425] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:03,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:03,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-12 17:59:03,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558958097] [2024-09-12 17:59:03,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:03,302 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-12 17:59:03,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:03,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-12 17:59:03,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-09-12 17:59:03,303 INFO L87 Difference]: Start difference. First operand 939 states and 1022 transitions. Second operand has 10 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:04,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:04,850 INFO L93 Difference]: Finished difference Result 975 states and 1062 transitions. [2024-09-12 17:59:04,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-12 17:59:04,850 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2024-09-12 17:59:04,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:04,854 INFO L225 Difference]: With dead ends: 975 [2024-09-12 17:59:04,854 INFO L226 Difference]: Without dead ends: 969 [2024-09-12 17:59:04,855 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=164, Unknown=0, NotChecked=0, Total=272 [2024-09-12 17:59:04,855 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 1160 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 2767 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1160 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 2825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 2767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:04,855 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1160 Valid, 242 Invalid, 2825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 2767 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-09-12 17:59:04,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2024-09-12 17:59:04,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 969. [2024-09-12 17:59:04,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 969 states, 839 states have (on average 1.2550655542312277) internal successors, (1053), 965 states have internal predecessors, (1053), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:04,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1056 transitions. [2024-09-12 17:59:04,961 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1056 transitions. Word has length 50 [2024-09-12 17:59:04,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:04,962 INFO L474 AbstractCegarLoop]: Abstraction has 969 states and 1056 transitions. [2024-09-12 17:59:04,962 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:04,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:04,962 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1056 transitions. [2024-09-12 17:59:04,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-09-12 17:59:04,963 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:04,963 INFO L216 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] [2024-09-12 17:59:04,963 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-12 17:59:04,964 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:04,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:04,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1941010891, now seen corresponding path program 1 times [2024-09-12 17:59:04,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:04,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80002302] [2024-09-12 17:59:04,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:04,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:05,150 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:05,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:05,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:05,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80002302] [2024-09-12 17:59:05,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80002302] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:05,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:05,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-12 17:59:05,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92473213] [2024-09-12 17:59:05,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:05,156 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-12 17:59:05,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:05,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-12 17:59:05,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2024-09-12 17:59:05,157 INFO L87 Difference]: Start difference. First operand 969 states and 1056 transitions. Second operand has 11 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:06,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:06,916 INFO L93 Difference]: Finished difference Result 1005 states and 1096 transitions. [2024-09-12 17:59:06,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-12 17:59:06,917 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2024-09-12 17:59:06,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:06,920 INFO L225 Difference]: With dead ends: 1005 [2024-09-12 17:59:06,920 INFO L226 Difference]: Without dead ends: 999 [2024-09-12 17:59:06,921 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2024-09-12 17:59:06,921 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 1116 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 3473 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1116 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 3528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 3473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:06,921 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1116 Valid, 278 Invalid, 3528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 3473 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-09-12 17:59:06,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2024-09-12 17:59:07,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 999. [2024-09-12 17:59:07,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 871 states have (on average 1.2479908151549943) internal successors, (1087), 995 states have internal predecessors, (1087), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:07,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1090 transitions. [2024-09-12 17:59:07,055 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1090 transitions. Word has length 56 [2024-09-12 17:59:07,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:07,056 INFO L474 AbstractCegarLoop]: Abstraction has 999 states and 1090 transitions. [2024-09-12 17:59:07,056 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:07,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:07,057 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1090 transitions. [2024-09-12 17:59:07,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-09-12 17:59:07,058 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:07,058 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:59:07,058 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-12 17:59:07,058 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:07,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:07,059 INFO L85 PathProgramCache]: Analyzing trace with hash -695863710, now seen corresponding path program 1 times [2024-09-12 17:59:07,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:07,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432430546] [2024-09-12 17:59:07,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:07,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:07,263 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:07,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:07,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:07,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432430546] [2024-09-12 17:59:07,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432430546] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:07,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:07,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-09-12 17:59:07,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788373634] [2024-09-12 17:59:07,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:07,269 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-12 17:59:07,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:07,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-12 17:59:07,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2024-09-12 17:59:07,270 INFO L87 Difference]: Start difference. First operand 999 states and 1090 transitions. Second operand has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:09,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:09,082 INFO L93 Difference]: Finished difference Result 1035 states and 1130 transitions. [2024-09-12 17:59:09,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-09-12 17:59:09,082 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2024-09-12 17:59:09,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:09,086 INFO L225 Difference]: With dead ends: 1035 [2024-09-12 17:59:09,086 INFO L226 Difference]: Without dead ends: 1029 [2024-09-12 17:59:09,086 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2024-09-12 17:59:09,087 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 1152 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 3541 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1152 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 3603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 3541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:09,087 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1152 Valid, 290 Invalid, 3603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 3541 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-09-12 17:59:09,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2024-09-12 17:59:09,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1029. [2024-09-12 17:59:09,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 903 states have (on average 1.2414174972314507) internal successors, (1121), 1025 states have internal predecessors, (1121), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:09,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1124 transitions. [2024-09-12 17:59:09,211 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1124 transitions. Word has length 62 [2024-09-12 17:59:09,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:09,212 INFO L474 AbstractCegarLoop]: Abstraction has 1029 states and 1124 transitions. [2024-09-12 17:59:09,212 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:09,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:09,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1124 transitions. [2024-09-12 17:59:09,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-09-12 17:59:09,213 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:09,214 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:59:09,214 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-09-12 17:59:09,214 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting mainErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:09,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:09,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1093778823, now seen corresponding path program 1 times [2024-09-12 17:59:09,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:09,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004323956] [2024-09-12 17:59:09,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:09,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:09,440 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:09,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:09,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:09,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004323956] [2024-09-12 17:59:09,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004323956] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:09,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:09,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-09-12 17:59:09,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972791480] [2024-09-12 17:59:09,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:09,446 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-12 17:59:09,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:09,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-12 17:59:09,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2024-09-12 17:59:09,448 INFO L87 Difference]: Start difference. First operand 1029 states and 1124 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:10,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:10,998 INFO L93 Difference]: Finished difference Result 1065 states and 1164 transitions. [2024-09-12 17:59:10,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-12 17:59:10,998 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2024-09-12 17:59:10,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:11,002 INFO L225 Difference]: With dead ends: 1065 [2024-09-12 17:59:11,002 INFO L226 Difference]: Without dead ends: 1059 [2024-09-12 17:59:11,002 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2024-09-12 17:59:11,003 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 1510 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 2119 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 2226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 2119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:11,003 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1510 Valid, 230 Invalid, 2226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 2119 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-09-12 17:59:11,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2024-09-12 17:59:11,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 1059. [2024-09-12 17:59:11,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 935 states have (on average 1.2352941176470589) internal successors, (1155), 1055 states have internal predecessors, (1155), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:11,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1158 transitions. [2024-09-12 17:59:11,117 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1158 transitions. Word has length 68 [2024-09-12 17:59:11,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:11,117 INFO L474 AbstractCegarLoop]: Abstraction has 1059 states and 1158 transitions. [2024-09-12 17:59:11,117 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:11,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:11,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1158 transitions. [2024-09-12 17:59:11,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-09-12 17:59:11,119 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:11,119 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:59:11,119 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-12 17:59:11,120 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting mainErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:11,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:11,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1487880688, now seen corresponding path program 1 times [2024-09-12 17:59:11,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:11,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675699532] [2024-09-12 17:59:11,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:11,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:11,377 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:11,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:11,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:11,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675699532] [2024-09-12 17:59:11,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675699532] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:11,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:11,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-09-12 17:59:11,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931971009] [2024-09-12 17:59:11,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:11,382 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-09-12 17:59:11,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:11,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-09-12 17:59:11,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-09-12 17:59:11,383 INFO L87 Difference]: Start difference. First operand 1059 states and 1158 transitions. Second operand has 14 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:12,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:12,934 INFO L93 Difference]: Finished difference Result 1095 states and 1198 transitions. [2024-09-12 17:59:12,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-12 17:59:12,934 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2024-09-12 17:59:12,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:12,938 INFO L225 Difference]: With dead ends: 1095 [2024-09-12 17:59:12,938 INFO L226 Difference]: Without dead ends: 1089 [2024-09-12 17:59:12,938 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=234, Invalid=366, Unknown=0, NotChecked=0, Total=600 [2024-09-12 17:59:12,939 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 1586 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 2137 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1586 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 2254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 2137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:12,939 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1586 Valid, 248 Invalid, 2254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 2137 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-09-12 17:59:12,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2024-09-12 17:59:13,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1089. [2024-09-12 17:59:13,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 967 states have (on average 1.2295760082730094) internal successors, (1189), 1085 states have internal predecessors, (1189), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:13,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1192 transitions. [2024-09-12 17:59:13,082 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1192 transitions. Word has length 74 [2024-09-12 17:59:13,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:13,082 INFO L474 AbstractCegarLoop]: Abstraction has 1089 states and 1192 transitions. [2024-09-12 17:59:13,083 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:13,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:13,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1192 transitions. [2024-09-12 17:59:13,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-09-12 17:59:13,084 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:13,085 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:59:13,085 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-09-12 17:59:13,085 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting mainErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:13,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:13,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1279267687, now seen corresponding path program 1 times [2024-09-12 17:59:13,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:13,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385675958] [2024-09-12 17:59:13,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:13,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:13,376 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:13,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:13,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385675958] [2024-09-12 17:59:13,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385675958] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:13,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:13,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-09-12 17:59:13,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737147833] [2024-09-12 17:59:13,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:13,380 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-09-12 17:59:13,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:13,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-09-12 17:59:13,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2024-09-12 17:59:13,382 INFO L87 Difference]: Start difference. First operand 1089 states and 1192 transitions. Second operand has 15 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:15,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:15,419 INFO L93 Difference]: Finished difference Result 1125 states and 1232 transitions. [2024-09-12 17:59:15,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-09-12 17:59:15,419 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 80 [2024-09-12 17:59:15,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:15,423 INFO L225 Difference]: With dead ends: 1125 [2024-09-12 17:59:15,423 INFO L226 Difference]: Without dead ends: 1119 [2024-09-12 17:59:15,424 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=273, Invalid=429, Unknown=0, NotChecked=0, Total=702 [2024-09-12 17:59:15,424 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 1762 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 3516 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 3654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 3516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:15,424 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 332 Invalid, 3654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 3516 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-09-12 17:59:15,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2024-09-12 17:59:15,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1119. [2024-09-12 17:59:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 999 states have (on average 1.2242242242242243) internal successors, (1223), 1115 states have internal predecessors, (1223), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:15,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1226 transitions. [2024-09-12 17:59:15,542 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1226 transitions. Word has length 80 [2024-09-12 17:59:15,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:15,542 INFO L474 AbstractCegarLoop]: Abstraction has 1119 states and 1226 transitions. [2024-09-12 17:59:15,542 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:15,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:15,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1226 transitions. [2024-09-12 17:59:15,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-09-12 17:59:15,544 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:15,544 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:59:15,544 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-09-12 17:59:15,545 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting mainErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:15,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:15,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1967799362, now seen corresponding path program 1 times [2024-09-12 17:59:15,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:15,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249030860] [2024-09-12 17:59:15,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:15,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:15,834 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:15,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:15,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:15,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249030860] [2024-09-12 17:59:15,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249030860] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:15,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:15,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-09-12 17:59:15,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497035890] [2024-09-12 17:59:15,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:15,840 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-09-12 17:59:15,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:15,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-09-12 17:59:15,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2024-09-12 17:59:15,841 INFO L87 Difference]: Start difference. First operand 1119 states and 1226 transitions. Second operand has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:17,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:17,857 INFO L93 Difference]: Finished difference Result 1155 states and 1266 transitions. [2024-09-12 17:59:17,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-09-12 17:59:17,858 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 86 [2024-09-12 17:59:17,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:17,862 INFO L225 Difference]: With dead ends: 1155 [2024-09-12 17:59:17,862 INFO L226 Difference]: Without dead ends: 1149 [2024-09-12 17:59:17,863 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=315, Invalid=497, Unknown=0, NotChecked=0, Total=812 [2024-09-12 17:59:17,863 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 1474 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 3568 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1474 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 3672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 3568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:17,863 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1474 Valid, 332 Invalid, 3672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 3568 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-09-12 17:59:17,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2024-09-12 17:59:17,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1149. [2024-09-12 17:59:17,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1031 states have (on average 1.2192046556741027) internal successors, (1257), 1145 states have internal predecessors, (1257), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:17,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1260 transitions. [2024-09-12 17:59:17,956 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1260 transitions. Word has length 86 [2024-09-12 17:59:17,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:17,956 INFO L474 AbstractCegarLoop]: Abstraction has 1149 states and 1260 transitions. [2024-09-12 17:59:17,956 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:17,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:17,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1260 transitions. [2024-09-12 17:59:17,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-09-12 17:59:17,958 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:17,958 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:59:17,958 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-09-12 17:59:17,958 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting mainErr71ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:17,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:17,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1547891243, now seen corresponding path program 1 times [2024-09-12 17:59:17,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:17,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655799015] [2024-09-12 17:59:17,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:17,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:18,267 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:18,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:18,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655799015] [2024-09-12 17:59:18,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655799015] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:18,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:18,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-09-12 17:59:18,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825124804] [2024-09-12 17:59:18,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:18,273 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-12 17:59:18,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:18,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-12 17:59:18,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2024-09-12 17:59:18,274 INFO L87 Difference]: Start difference. First operand 1149 states and 1260 transitions. Second operand has 17 states, 16 states have (on average 5.5625) internal successors, (89), 16 states have internal predecessors, (89), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:20,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:20,131 INFO L93 Difference]: Finished difference Result 1185 states and 1300 transitions. [2024-09-12 17:59:20,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-12 17:59:20,132 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.5625) internal successors, (89), 16 states have internal predecessors, (89), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 92 [2024-09-12 17:59:20,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:20,135 INFO L225 Difference]: With dead ends: 1185 [2024-09-12 17:59:20,135 INFO L226 Difference]: Without dead ends: 1179 [2024-09-12 17:59:20,136 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=360, Invalid=570, Unknown=0, NotChecked=0, Total=930 [2024-09-12 17:59:20,136 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 1687 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 2925 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1687 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 3056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 2925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:20,136 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1687 Valid, 320 Invalid, 3056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 2925 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-09-12 17:59:20,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2024-09-12 17:59:20,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 1179. [2024-09-12 17:59:20,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1179 states, 1063 states have (on average 1.2144873000940735) internal successors, (1291), 1175 states have internal predecessors, (1291), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:20,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 1294 transitions. [2024-09-12 17:59:20,242 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 1294 transitions. Word has length 92 [2024-09-12 17:59:20,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:20,243 INFO L474 AbstractCegarLoop]: Abstraction has 1179 states and 1294 transitions. [2024-09-12 17:59:20,243 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.5625) internal successors, (89), 16 states have internal predecessors, (89), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:20,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:20,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1294 transitions. [2024-09-12 17:59:20,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-09-12 17:59:20,244 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:20,244 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:59:20,244 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-09-12 17:59:20,244 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting mainErr75ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:20,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:20,245 INFO L85 PathProgramCache]: Analyzing trace with hash 625477484, now seen corresponding path program 1 times [2024-09-12 17:59:20,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:20,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030179082] [2024-09-12 17:59:20,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:20,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:20,562 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:20,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:20,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:20,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030179082] [2024-09-12 17:59:20,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030179082] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:20,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:20,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-09-12 17:59:20,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510898039] [2024-09-12 17:59:20,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:20,566 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-09-12 17:59:20,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:20,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-09-12 17:59:20,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=168, Unknown=0, NotChecked=0, Total=306 [2024-09-12 17:59:20,567 INFO L87 Difference]: Start difference. First operand 1179 states and 1294 transitions. Second operand has 18 states, 17 states have (on average 5.588235294117647) internal successors, (95), 17 states have internal predecessors, (95), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:22,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:22,806 INFO L93 Difference]: Finished difference Result 1215 states and 1334 transitions. [2024-09-12 17:59:22,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-12 17:59:22,807 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.588235294117647) internal successors, (95), 17 states have internal predecessors, (95), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 98 [2024-09-12 17:59:22,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:22,810 INFO L225 Difference]: With dead ends: 1215 [2024-09-12 17:59:22,810 INFO L226 Difference]: Without dead ends: 1209 [2024-09-12 17:59:22,811 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=408, Invalid=648, Unknown=0, NotChecked=0, Total=1056 [2024-09-12 17:59:22,812 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 1785 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 4136 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1785 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 4280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 4136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:22,812 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1785 Valid, 410 Invalid, 4280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 4136 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-09-12 17:59:22,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2024-09-12 17:59:22,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1209. [2024-09-12 17:59:22,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1095 states have (on average 1.2100456621004567) internal successors, (1325), 1205 states have internal predecessors, (1325), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:22,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1328 transitions. [2024-09-12 17:59:22,924 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1328 transitions. Word has length 98 [2024-09-12 17:59:22,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:22,924 INFO L474 AbstractCegarLoop]: Abstraction has 1209 states and 1328 transitions. [2024-09-12 17:59:22,924 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.588235294117647) internal successors, (95), 17 states have internal predecessors, (95), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:22,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:22,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1328 transitions. [2024-09-12 17:59:22,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-09-12 17:59:22,926 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:22,926 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:59:22,926 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-09-12 17:59:22,926 INFO L399 AbstractCegarLoop]: === Iteration 19 === Targeting mainErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:22,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:22,927 INFO L85 PathProgramCache]: Analyzing trace with hash 917835907, now seen corresponding path program 1 times [2024-09-12 17:59:22,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:22,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550372278] [2024-09-12 17:59:22,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:22,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:23,267 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:23,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:23,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:23,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550372278] [2024-09-12 17:59:23,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550372278] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:23,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:23,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-09-12 17:59:23,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644444821] [2024-09-12 17:59:23,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:23,273 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-09-12 17:59:23,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:23,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-09-12 17:59:23,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2024-09-12 17:59:23,274 INFO L87 Difference]: Start difference. First operand 1209 states and 1328 transitions. Second operand has 19 states, 18 states have (on average 5.611111111111111) internal successors, (101), 18 states have internal predecessors, (101), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:25,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:25,369 INFO L93 Difference]: Finished difference Result 1245 states and 1368 transitions. [2024-09-12 17:59:25,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-12 17:59:25,370 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.611111111111111) internal successors, (101), 18 states have internal predecessors, (101), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 104 [2024-09-12 17:59:25,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:25,373 INFO L225 Difference]: With dead ends: 1245 [2024-09-12 17:59:25,373 INFO L226 Difference]: Without dead ends: 1239 [2024-09-12 17:59:25,374 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=459, Invalid=731, Unknown=0, NotChecked=0, Total=1190 [2024-09-12 17:59:25,374 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 2217 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 2962 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2217 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 3167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 2962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:25,375 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [2217 Valid, 350 Invalid, 3167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 2962 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-09-12 17:59:25,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2024-09-12 17:59:25,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1239. [2024-09-12 17:59:25,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1127 states have (on average 1.2058562555456966) internal successors, (1359), 1235 states have internal predecessors, (1359), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:25,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1362 transitions. [2024-09-12 17:59:25,486 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1362 transitions. Word has length 104 [2024-09-12 17:59:25,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:25,486 INFO L474 AbstractCegarLoop]: Abstraction has 1239 states and 1362 transitions. [2024-09-12 17:59:25,487 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.611111111111111) internal successors, (101), 18 states have internal predecessors, (101), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:25,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:25,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1362 transitions. [2024-09-12 17:59:25,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-09-12 17:59:25,488 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:25,488 INFO L216 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] [2024-09-12 17:59:25,489 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-09-12 17:59:25,489 INFO L399 AbstractCegarLoop]: === Iteration 20 === Targeting mainErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:25,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:25,489 INFO L85 PathProgramCache]: Analyzing trace with hash -686126822, now seen corresponding path program 1 times [2024-09-12 17:59:25,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:25,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805269867] [2024-09-12 17:59:25,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:25,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:25,873 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:25,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:25,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:25,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805269867] [2024-09-12 17:59:25,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805269867] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:25,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:25,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-09-12 17:59:25,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907454122] [2024-09-12 17:59:25,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:25,878 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-09-12 17:59:25,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:25,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-09-12 17:59:25,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2024-09-12 17:59:25,879 INFO L87 Difference]: Start difference. First operand 1239 states and 1362 transitions. Second operand has 20 states, 19 states have (on average 5.631578947368421) internal successors, (107), 19 states have internal predecessors, (107), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:28,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:28,112 INFO L93 Difference]: Finished difference Result 1275 states and 1402 transitions. [2024-09-12 17:59:28,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-12 17:59:28,113 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.631578947368421) internal successors, (107), 19 states have internal predecessors, (107), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 110 [2024-09-12 17:59:28,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:28,116 INFO L225 Difference]: With dead ends: 1275 [2024-09-12 17:59:28,116 INFO L226 Difference]: Without dead ends: 1269 [2024-09-12 17:59:28,117 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=513, Invalid=819, Unknown=0, NotChecked=0, Total=1332 [2024-09-12 17:59:28,118 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 2521 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 3457 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2521 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 3697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 3457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:28,118 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [2521 Valid, 386 Invalid, 3697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 3457 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-09-12 17:59:28,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2024-09-12 17:59:28,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1269. [2024-09-12 17:59:28,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1269 states, 1159 states have (on average 1.2018981880931838) internal successors, (1393), 1265 states have internal predecessors, (1393), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 1396 transitions. [2024-09-12 17:59:28,279 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 1396 transitions. Word has length 110 [2024-09-12 17:59:28,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:28,279 INFO L474 AbstractCegarLoop]: Abstraction has 1269 states and 1396 transitions. [2024-09-12 17:59:28,280 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.631578947368421) internal successors, (107), 19 states have internal predecessors, (107), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:28,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:28,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1396 transitions. [2024-09-12 17:59:28,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-09-12 17:59:28,281 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:28,282 INFO L216 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] [2024-09-12 17:59:28,282 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-09-12 17:59:28,282 INFO L399 AbstractCegarLoop]: === Iteration 21 === Targeting mainErr87ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:28,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:28,284 INFO L85 PathProgramCache]: Analyzing trace with hash 860279089, now seen corresponding path program 1 times [2024-09-12 17:59:28,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:28,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868385229] [2024-09-12 17:59:28,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:28,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:28,686 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:28,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:28,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868385229] [2024-09-12 17:59:28,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868385229] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:28,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:28,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-09-12 17:59:28,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870485937] [2024-09-12 17:59:28,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:28,691 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-09-12 17:59:28,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:28,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-09-12 17:59:28,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2024-09-12 17:59:28,692 INFO L87 Difference]: Start difference. First operand 1269 states and 1396 transitions. Second operand has 21 states, 20 states have (on average 5.65) internal successors, (113), 20 states have internal predecessors, (113), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:30,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:30,626 INFO L93 Difference]: Finished difference Result 1305 states and 1436 transitions. [2024-09-12 17:59:30,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-12 17:59:30,626 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 5.65) internal successors, (113), 20 states have internal predecessors, (113), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 116 [2024-09-12 17:59:30,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:30,630 INFO L225 Difference]: With dead ends: 1305 [2024-09-12 17:59:30,630 INFO L226 Difference]: Without dead ends: 1299 [2024-09-12 17:59:30,631 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=570, Invalid=912, Unknown=0, NotChecked=0, Total=1482 [2024-09-12 17:59:30,631 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 2943 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 2386 mSolverCounterSat, 302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2943 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 2688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 302 IncrementalHoareTripleChecker+Valid, 2386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:30,631 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [2943 Valid, 326 Invalid, 2688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [302 Valid, 2386 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-09-12 17:59:30,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2024-09-12 17:59:30,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1299. [2024-09-12 17:59:30,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1299 states, 1191 states have (on average 1.1981528127623846) internal successors, (1427), 1295 states have internal predecessors, (1427), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:30,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 1430 transitions. [2024-09-12 17:59:30,735 INFO L78 Accepts]: Start accepts. Automaton has 1299 states and 1430 transitions. Word has length 116 [2024-09-12 17:59:30,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:30,735 INFO L474 AbstractCegarLoop]: Abstraction has 1299 states and 1430 transitions. [2024-09-12 17:59:30,735 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 5.65) internal successors, (113), 20 states have internal predecessors, (113), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:30,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:30,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1430 transitions. [2024-09-12 17:59:30,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-09-12 17:59:30,737 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:30,737 INFO L216 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] [2024-09-12 17:59:30,737 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-09-12 17:59:30,737 INFO L399 AbstractCegarLoop]: === Iteration 22 === Targeting mainErr91ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:30,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:30,737 INFO L85 PathProgramCache]: Analyzing trace with hash 2076199112, now seen corresponding path program 1 times [2024-09-12 17:59:30,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:30,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898295105] [2024-09-12 17:59:30,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:30,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:31,128 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:31,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:31,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:31,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898295105] [2024-09-12 17:59:31,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898295105] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:31,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:31,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-09-12 17:59:31,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843389493] [2024-09-12 17:59:31,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:31,132 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-09-12 17:59:31,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:31,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-09-12 17:59:31,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=250, Unknown=0, NotChecked=0, Total=462 [2024-09-12 17:59:31,133 INFO L87 Difference]: Start difference. First operand 1299 states and 1430 transitions. Second operand has 22 states, 21 states have (on average 5.666666666666667) internal successors, (119), 21 states have internal predecessors, (119), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:33,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:33,379 INFO L93 Difference]: Finished difference Result 1335 states and 1470 transitions. [2024-09-12 17:59:33,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-12 17:59:33,380 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 5.666666666666667) internal successors, (119), 21 states have internal predecessors, (119), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 122 [2024-09-12 17:59:33,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:33,384 INFO L225 Difference]: With dead ends: 1335 [2024-09-12 17:59:33,384 INFO L226 Difference]: Without dead ends: 1329 [2024-09-12 17:59:33,385 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=630, Invalid=1010, Unknown=0, NotChecked=0, Total=1640 [2024-09-12 17:59:33,385 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 2705 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 3492 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2705 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 3759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 3492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:33,385 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [2705 Valid, 410 Invalid, 3759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 3492 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-09-12 17:59:33,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2024-09-12 17:59:33,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1329. [2024-09-12 17:59:33,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 1223 states have (on average 1.19460343417825) internal successors, (1461), 1325 states have internal predecessors, (1461), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:33,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1464 transitions. [2024-09-12 17:59:33,490 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1464 transitions. Word has length 122 [2024-09-12 17:59:33,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:33,490 INFO L474 AbstractCegarLoop]: Abstraction has 1329 states and 1464 transitions. [2024-09-12 17:59:33,490 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 5.666666666666667) internal successors, (119), 21 states have internal predecessors, (119), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:33,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1464 transitions. [2024-09-12 17:59:33,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-09-12 17:59:33,492 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:33,492 INFO L216 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, 1, 1, 1, 1, 1, 1] [2024-09-12 17:59:33,493 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-09-12 17:59:33,493 INFO L399 AbstractCegarLoop]: === Iteration 23 === Targeting mainErr93ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:33,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:33,493 INFO L85 PathProgramCache]: Analyzing trace with hash 972649297, now seen corresponding path program 1 times [2024-09-12 17:59:33,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:33,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200464869] [2024-09-12 17:59:33,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:33,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:33,966 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:33,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:33,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:33,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200464869] [2024-09-12 17:59:33,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200464869] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:33,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:33,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-09-12 17:59:33,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705785794] [2024-09-12 17:59:33,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:33,975 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-09-12 17:59:33,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:33,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-09-12 17:59:33,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=273, Unknown=0, NotChecked=0, Total=506 [2024-09-12 17:59:33,976 INFO L87 Difference]: Start difference. First operand 1329 states and 1464 transitions. Second operand has 23 states, 22 states have (on average 5.681818181818182) internal successors, (125), 22 states have internal predecessors, (125), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:36,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:36,650 INFO L93 Difference]: Finished difference Result 1365 states and 1504 transitions. [2024-09-12 17:59:36,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-09-12 17:59:36,651 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.681818181818182) internal successors, (125), 22 states have internal predecessors, (125), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 128 [2024-09-12 17:59:36,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:36,656 INFO L225 Difference]: With dead ends: 1365 [2024-09-12 17:59:36,657 INFO L226 Difference]: Without dead ends: 1359 [2024-09-12 17:59:36,657 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=693, Invalid=1113, Unknown=0, NotChecked=0, Total=1806 [2024-09-12 17:59:36,658 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 2182 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 4812 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2182 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 5015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 4812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:36,658 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [2182 Valid, 506 Invalid, 5015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 4812 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-09-12 17:59:36,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2024-09-12 17:59:36,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 1359. [2024-09-12 17:59:36,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1359 states, 1255 states have (on average 1.1912350597609562) internal successors, (1495), 1355 states have internal predecessors, (1495), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 1498 transitions. [2024-09-12 17:59:36,817 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 1498 transitions. Word has length 128 [2024-09-12 17:59:36,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:36,818 INFO L474 AbstractCegarLoop]: Abstraction has 1359 states and 1498 transitions. [2024-09-12 17:59:36,818 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.681818181818182) internal successors, (125), 22 states have internal predecessors, (125), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:36,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:36,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1498 transitions. [2024-09-12 17:59:36,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-09-12 17:59:36,820 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:36,820 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:59:36,821 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-09-12 17:59:36,821 INFO L399 AbstractCegarLoop]: === Iteration 24 === Targeting mainErr99ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:36,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:36,821 INFO L85 PathProgramCache]: Analyzing trace with hash 709641846, now seen corresponding path program 1 times [2024-09-12 17:59:36,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:36,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24673088] [2024-09-12 17:59:36,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:36,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:37,335 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:37,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:37,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:37,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24673088] [2024-09-12 17:59:37,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24673088] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:37,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:37,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-09-12 17:59:37,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883817935] [2024-09-12 17:59:37,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:37,339 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-09-12 17:59:37,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:37,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-09-12 17:59:37,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=297, Unknown=0, NotChecked=0, Total=552 [2024-09-12 17:59:37,339 INFO L87 Difference]: Start difference. First operand 1359 states and 1498 transitions. Second operand has 24 states, 23 states have (on average 5.695652173913044) internal successors, (131), 23 states have internal predecessors, (131), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:39,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:39,936 INFO L93 Difference]: Finished difference Result 1395 states and 1538 transitions. [2024-09-12 17:59:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-09-12 17:59:39,936 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.695652173913044) internal successors, (131), 23 states have internal predecessors, (131), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 134 [2024-09-12 17:59:39,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:39,940 INFO L225 Difference]: With dead ends: 1395 [2024-09-12 17:59:39,940 INFO L226 Difference]: Without dead ends: 1389 [2024-09-12 17:59:39,941 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=759, Invalid=1221, Unknown=0, NotChecked=0, Total=1980 [2024-09-12 17:59:39,941 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 2272 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 4202 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2272 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 4417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 4202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:39,941 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [2272 Valid, 470 Invalid, 4417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 4202 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-09-12 17:59:39,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2024-09-12 17:59:40,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1389. [2024-09-12 17:59:40,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1389 states, 1287 states have (on average 1.188034188034188) internal successors, (1529), 1385 states have internal predecessors, (1529), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:40,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 1532 transitions. [2024-09-12 17:59:40,051 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 1532 transitions. Word has length 134 [2024-09-12 17:59:40,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:40,052 INFO L474 AbstractCegarLoop]: Abstraction has 1389 states and 1532 transitions. [2024-09-12 17:59:40,052 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.695652173913044) internal successors, (131), 23 states have internal predecessors, (131), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:40,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:40,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1532 transitions. [2024-09-12 17:59:40,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-09-12 17:59:40,054 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:40,054 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:59:40,055 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-09-12 17:59:40,055 INFO L399 AbstractCegarLoop]: === Iteration 25 === Targeting mainErr103ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:40,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:40,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1979478899, now seen corresponding path program 1 times [2024-09-12 17:59:40,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:40,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75880072] [2024-09-12 17:59:40,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:40,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:40,533 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:40,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:40,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:40,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75880072] [2024-09-12 17:59:40,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75880072] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:40,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:40,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2024-09-12 17:59:40,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223145919] [2024-09-12 17:59:40,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:40,538 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-09-12 17:59:40,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:40,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-09-12 17:59:40,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=322, Unknown=0, NotChecked=0, Total=600 [2024-09-12 17:59:40,539 INFO L87 Difference]: Start difference. First operand 1389 states and 1532 transitions. Second operand has 25 states, 24 states have (on average 5.708333333333333) internal successors, (137), 24 states have internal predecessors, (137), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:42,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:42,995 INFO L93 Difference]: Finished difference Result 1425 states and 1572 transitions. [2024-09-12 17:59:42,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-09-12 17:59:42,995 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 5.708333333333333) internal successors, (137), 24 states have internal predecessors, (137), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 140 [2024-09-12 17:59:42,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:43,005 INFO L225 Difference]: With dead ends: 1425 [2024-09-12 17:59:43,005 INFO L226 Difference]: Without dead ends: 1419 [2024-09-12 17:59:43,006 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=828, Invalid=1334, Unknown=0, NotChecked=0, Total=2162 [2024-09-12 17:59:43,006 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 2724 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 3105 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2724 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 3382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 3105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:43,007 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [2724 Valid, 404 Invalid, 3382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 3105 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-09-12 17:59:43,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2024-09-12 17:59:43,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1419. [2024-09-12 17:59:43,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1419 states, 1319 states have (on average 1.1849886277482942) internal successors, (1563), 1415 states have internal predecessors, (1563), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:43,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 1566 transitions. [2024-09-12 17:59:43,114 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 1566 transitions. Word has length 140 [2024-09-12 17:59:43,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:43,114 INFO L474 AbstractCegarLoop]: Abstraction has 1419 states and 1566 transitions. [2024-09-12 17:59:43,115 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 5.708333333333333) internal successors, (137), 24 states have internal predecessors, (137), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:43,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:43,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1566 transitions. [2024-09-12 17:59:43,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-09-12 17:59:43,117 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:43,117 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:59:43,117 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-09-12 17:59:43,117 INFO L399 AbstractCegarLoop]: === Iteration 26 === Targeting mainErr107ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:43,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:43,118 INFO L85 PathProgramCache]: Analyzing trace with hash -179207644, now seen corresponding path program 1 times [2024-09-12 17:59:43,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:43,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858359546] [2024-09-12 17:59:43,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:43,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:43,619 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:43,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:43,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:43,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858359546] [2024-09-12 17:59:43,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858359546] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:43,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:43,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-09-12 17:59:43,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302496185] [2024-09-12 17:59:43,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:43,623 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-09-12 17:59:43,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:43,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-09-12 17:59:43,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2024-09-12 17:59:43,625 INFO L87 Difference]: Start difference. First operand 1419 states and 1566 transitions. Second operand has 26 states, 25 states have (on average 5.72) internal successors, (143), 25 states have internal predecessors, (143), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:46,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:46,208 INFO L93 Difference]: Finished difference Result 1455 states and 1606 transitions. [2024-09-12 17:59:46,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-09-12 17:59:46,208 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 5.72) internal successors, (143), 25 states have internal predecessors, (143), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 146 [2024-09-12 17:59:46,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:46,214 INFO L225 Difference]: With dead ends: 1455 [2024-09-12 17:59:46,214 INFO L226 Difference]: Without dead ends: 1449 [2024-09-12 17:59:46,215 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=900, Invalid=1452, Unknown=0, NotChecked=0, Total=2352 [2024-09-12 17:59:46,215 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 2880 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 3768 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2880 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 4067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 3768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:46,216 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [2880 Valid, 458 Invalid, 4067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 3768 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-09-12 17:59:46,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2024-09-12 17:59:46,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1449. [2024-09-12 17:59:46,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1449 states, 1351 states have (on average 1.1820873427091043) internal successors, (1597), 1445 states have internal predecessors, (1597), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:46,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 1600 transitions. [2024-09-12 17:59:46,432 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 1600 transitions. Word has length 146 [2024-09-12 17:59:46,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:46,433 INFO L474 AbstractCegarLoop]: Abstraction has 1449 states and 1600 transitions. [2024-09-12 17:59:46,433 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 5.72) internal successors, (143), 25 states have internal predecessors, (143), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:46,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:46,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1600 transitions. [2024-09-12 17:59:46,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-09-12 17:59:46,435 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:46,435 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:59:46,435 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-09-12 17:59:46,435 INFO L399 AbstractCegarLoop]: === Iteration 27 === Targeting mainErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:46,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:46,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1185642693, now seen corresponding path program 1 times [2024-09-12 17:59:46,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:46,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803271281] [2024-09-12 17:59:46,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:46,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:46,932 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:46,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:46,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:46,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803271281] [2024-09-12 17:59:46,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803271281] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:46,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:46,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2024-09-12 17:59:46,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679513024] [2024-09-12 17:59:46,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:46,936 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-09-12 17:59:46,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:46,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-09-12 17:59:46,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=375, Unknown=0, NotChecked=0, Total=702 [2024-09-12 17:59:46,937 INFO L87 Difference]: Start difference. First operand 1449 states and 1600 transitions. Second operand has 27 states, 26 states have (on average 5.730769230769231) internal successors, (149), 26 states have internal predecessors, (149), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:49,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:49,897 INFO L93 Difference]: Finished difference Result 1485 states and 1640 transitions. [2024-09-12 17:59:49,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-09-12 17:59:49,897 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 5.730769230769231) internal successors, (149), 26 states have internal predecessors, (149), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 152 [2024-09-12 17:59:49,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:49,903 INFO L225 Difference]: With dead ends: 1485 [2024-09-12 17:59:49,903 INFO L226 Difference]: Without dead ends: 1479 [2024-09-12 17:59:49,904 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=975, Invalid=1575, Unknown=0, NotChecked=0, Total=2550 [2024-09-12 17:59:49,904 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 2687 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 5099 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2687 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 5375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 5099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:49,905 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [2687 Valid, 554 Invalid, 5375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 5099 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-09-12 17:59:49,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1479 states. [2024-09-12 17:59:50,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1479 to 1479. [2024-09-12 17:59:50,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 1383 states have (on average 1.1793203181489516) internal successors, (1631), 1475 states have internal predecessors, (1631), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:50,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 1634 transitions. [2024-09-12 17:59:50,076 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 1634 transitions. Word has length 152 [2024-09-12 17:59:50,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:50,077 INFO L474 AbstractCegarLoop]: Abstraction has 1479 states and 1634 transitions. [2024-09-12 17:59:50,077 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 5.730769230769231) internal successors, (149), 26 states have internal predecessors, (149), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:50,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:50,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1634 transitions. [2024-09-12 17:59:50,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-09-12 17:59:50,079 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:50,079 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:59:50,079 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-09-12 17:59:50,080 INFO L399 AbstractCegarLoop]: === Iteration 28 === Targeting mainErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:50,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:50,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1427964974, now seen corresponding path program 1 times [2024-09-12 17:59:50,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:50,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949058108] [2024-09-12 17:59:50,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:50,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:50,681 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:50,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:50,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949058108] [2024-09-12 17:59:50,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949058108] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:50,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:50,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2024-09-12 17:59:50,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066038408] [2024-09-12 17:59:50,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:50,685 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-09-12 17:59:50,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:50,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-09-12 17:59:50,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=403, Unknown=0, NotChecked=0, Total=756 [2024-09-12 17:59:50,686 INFO L87 Difference]: Start difference. First operand 1479 states and 1634 transitions. Second operand has 28 states, 27 states have (on average 5.7407407407407405) internal successors, (155), 27 states have internal predecessors, (155), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:53,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:53,739 INFO L93 Difference]: Finished difference Result 1515 states and 1674 transitions. [2024-09-12 17:59:53,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-09-12 17:59:53,739 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 5.7407407407407405) internal successors, (155), 27 states have internal predecessors, (155), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 158 [2024-09-12 17:59:53,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:53,744 INFO L225 Difference]: With dead ends: 1515 [2024-09-12 17:59:53,744 INFO L226 Difference]: Without dead ends: 1509 [2024-09-12 17:59:53,745 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1053, Invalid=1703, Unknown=0, NotChecked=0, Total=2756 [2024-09-12 17:59:53,745 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 2808 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 5009 mSolverCounterSat, 294 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2808 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 5303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 294 IncrementalHoareTripleChecker+Valid, 5009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:53,745 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [2808 Valid, 548 Invalid, 5303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [294 Valid, 5009 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-09-12 17:59:53,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2024-09-12 17:59:53,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1509. [2024-09-12 17:59:53,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1509 states, 1415 states have (on average 1.176678445229682) internal successors, (1665), 1505 states have internal predecessors, (1665), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 1668 transitions. [2024-09-12 17:59:53,861 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 1668 transitions. Word has length 158 [2024-09-12 17:59:53,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:53,862 INFO L474 AbstractCegarLoop]: Abstraction has 1509 states and 1668 transitions. [2024-09-12 17:59:53,862 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 5.7407407407407405) internal successors, (155), 27 states have internal predecessors, (155), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:53,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:53,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 1668 transitions. [2024-09-12 17:59:53,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-09-12 17:59:53,864 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:53,864 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:59:53,865 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-09-12 17:59:53,865 INFO L399 AbstractCegarLoop]: === Iteration 29 === Targeting mainErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:53,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:53,865 INFO L85 PathProgramCache]: Analyzing trace with hash 2089500649, now seen corresponding path program 1 times [2024-09-12 17:59:53,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:53,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343340241] [2024-09-12 17:59:53,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:53,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:54,433 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:54,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:54,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:54,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343340241] [2024-09-12 17:59:54,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343340241] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:54,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:54,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2024-09-12 17:59:54,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032767769] [2024-09-12 17:59:54,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:54,437 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-12 17:59:54,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:54,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-12 17:59:54,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=432, Unknown=0, NotChecked=0, Total=812 [2024-09-12 17:59:54,438 INFO L87 Difference]: Start difference. First operand 1509 states and 1668 transitions. Second operand has 29 states, 28 states have (on average 5.75) internal successors, (161), 28 states have internal predecessors, (161), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:57,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:57,440 INFO L93 Difference]: Finished difference Result 1545 states and 1708 transitions. [2024-09-12 17:59:57,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-09-12 17:59:57,441 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 5.75) internal successors, (161), 28 states have internal predecessors, (161), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 164 [2024-09-12 17:59:57,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:57,445 INFO L225 Difference]: With dead ends: 1545 [2024-09-12 17:59:57,445 INFO L226 Difference]: Without dead ends: 1539 [2024-09-12 17:59:57,446 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1134, Invalid=1836, Unknown=0, NotChecked=0, Total=2970 [2024-09-12 17:59:57,447 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 3387 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 4689 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3387 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 5058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 4689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:57,447 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [3387 Valid, 566 Invalid, 5058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 4689 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-09-12 17:59:57,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2024-09-12 17:59:57,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 1539. [2024-09-12 17:59:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1539 states, 1447 states have (on average 1.1741534208707671) internal successors, (1699), 1535 states have internal predecessors, (1699), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:57,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1539 states and 1702 transitions. [2024-09-12 17:59:57,567 INFO L78 Accepts]: Start accepts. Automaton has 1539 states and 1702 transitions. Word has length 164 [2024-09-12 17:59:57,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:57,568 INFO L474 AbstractCegarLoop]: Abstraction has 1539 states and 1702 transitions. [2024-09-12 17:59:57,568 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 5.75) internal successors, (161), 28 states have internal predecessors, (161), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:57,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:57,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 1702 transitions. [2024-09-12 17:59:57,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-09-12 17:59:57,569 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:57,569 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:59:57,570 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-09-12 17:59:57,570 INFO L399 AbstractCegarLoop]: === Iteration 30 === Targeting mainErr123ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 17:59:57,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:57,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1802259584, now seen corresponding path program 1 times [2024-09-12 17:59:57,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:57,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824827962] [2024-09-12 17:59:57,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:57,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:58,179 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:58,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:58,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:58,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824827962] [2024-09-12 17:59:58,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824827962] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:59:58,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:59:58,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2024-09-12 17:59:58,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986593806] [2024-09-12 17:59:58,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:59:58,184 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-09-12 17:59:58,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:58,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-09-12 17:59:58,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=462, Unknown=0, NotChecked=0, Total=870 [2024-09-12 17:59:58,186 INFO L87 Difference]: Start difference. First operand 1539 states and 1702 transitions. Second operand has 30 states, 29 states have (on average 5.758620689655173) internal successors, (167), 29 states have internal predecessors, (167), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:01,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:00:01,164 INFO L93 Difference]: Finished difference Result 1575 states and 1742 transitions. [2024-09-12 18:00:01,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-09-12 18:00:01,164 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 5.758620689655173) internal successors, (167), 29 states have internal predecessors, (167), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 170 [2024-09-12 18:00:01,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:00:01,168 INFO L225 Difference]: With dead ends: 1575 [2024-09-12 18:00:01,168 INFO L226 Difference]: Without dead ends: 1569 [2024-09-12 18:00:01,169 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1218, Invalid=1974, Unknown=0, NotChecked=0, Total=3192 [2024-09-12 18:00:01,169 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 3141 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 4126 mSolverCounterSat, 332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3141 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 4458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 4126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-09-12 18:00:01,169 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [3141 Valid, 542 Invalid, 4458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [332 Valid, 4126 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-09-12 18:00:01,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1569 states. [2024-09-12 18:00:01,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1569 to 1569. [2024-09-12 18:00:01,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1569 states, 1479 states have (on average 1.171737660581474) internal successors, (1733), 1565 states have internal predecessors, (1733), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:01,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1569 states and 1736 transitions. [2024-09-12 18:00:01,268 INFO L78 Accepts]: Start accepts. Automaton has 1569 states and 1736 transitions. Word has length 170 [2024-09-12 18:00:01,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:00:01,269 INFO L474 AbstractCegarLoop]: Abstraction has 1569 states and 1736 transitions. [2024-09-12 18:00:01,269 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 5.758620689655173) internal successors, (167), 29 states have internal predecessors, (167), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:01,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:01,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 1736 transitions. [2024-09-12 18:00:01,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-09-12 18:00:01,270 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:00:01,271 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:00:01,271 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-09-12 18:00:01,271 INFO L399 AbstractCegarLoop]: === Iteration 31 === Targeting mainErr125ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:00:01,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:01,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1647237641, now seen corresponding path program 1 times [2024-09-12 18:00:01,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:00:01,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422526796] [2024-09-12 18:00:01,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:00:01,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:00:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:01,934 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:00:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:01,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:00:01,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:00:01,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422526796] [2024-09-12 18:00:01,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422526796] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:00:01,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:00:01,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2024-09-12 18:00:01,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380041981] [2024-09-12 18:00:01,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:00:01,937 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-09-12 18:00:01,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:00:01,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-09-12 18:00:01,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=493, Unknown=0, NotChecked=0, Total=930 [2024-09-12 18:00:01,938 INFO L87 Difference]: Start difference. First operand 1569 states and 1736 transitions. Second operand has 31 states, 30 states have (on average 5.766666666666667) internal successors, (173), 30 states have internal predecessors, (173), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:05,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:00:05,283 INFO L93 Difference]: Finished difference Result 1605 states and 1776 transitions. [2024-09-12 18:00:05,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-09-12 18:00:05,283 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 5.766666666666667) internal successors, (173), 30 states have internal predecessors, (173), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 176 [2024-09-12 18:00:05,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:00:05,287 INFO L225 Difference]: With dead ends: 1605 [2024-09-12 18:00:05,287 INFO L226 Difference]: Without dead ends: 1599 [2024-09-12 18:00:05,288 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1305, Invalid=2117, Unknown=0, NotChecked=0, Total=3422 [2024-09-12 18:00:05,288 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 2959 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 5322 mSolverCounterSat, 311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2959 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 5633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 5322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-09-12 18:00:05,288 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [2959 Valid, 626 Invalid, 5633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 5322 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-09-12 18:00:05,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1599 states. [2024-09-12 18:00:05,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1599 to 1599. [2024-09-12 18:00:05,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1599 states, 1511 states have (on average 1.1694242223692919) internal successors, (1767), 1595 states have internal predecessors, (1767), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:05,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 1770 transitions. [2024-09-12 18:00:05,389 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 1770 transitions. Word has length 176 [2024-09-12 18:00:05,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:00:05,390 INFO L474 AbstractCegarLoop]: Abstraction has 1599 states and 1770 transitions. [2024-09-12 18:00:05,390 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 5.766666666666667) internal successors, (173), 30 states have internal predecessors, (173), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:05,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:05,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1770 transitions. [2024-09-12 18:00:05,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-09-12 18:00:05,393 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:00:05,393 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:00:05,393 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-09-12 18:00:05,393 INFO L399 AbstractCegarLoop]: === Iteration 32 === Targeting mainErr131ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:00:05,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:05,393 INFO L85 PathProgramCache]: Analyzing trace with hash 930523438, now seen corresponding path program 1 times [2024-09-12 18:00:05,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:00:05,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126091602] [2024-09-12 18:00:05,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:00:05,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:00:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:06,067 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:00:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:00:06,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:00:06,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126091602] [2024-09-12 18:00:06,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126091602] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:00:06,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:00:06,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2024-09-12 18:00:06,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803495748] [2024-09-12 18:00:06,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:00:06,072 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-12 18:00:06,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:00:06,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-12 18:00:06,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=467, Invalid=525, Unknown=0, NotChecked=0, Total=992 [2024-09-12 18:00:06,073 INFO L87 Difference]: Start difference. First operand 1599 states and 1770 transitions. Second operand has 32 states, 31 states have (on average 5.774193548387097) internal successors, (179), 31 states have internal predecessors, (179), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:09,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:00:09,647 INFO L93 Difference]: Finished difference Result 1635 states and 1810 transitions. [2024-09-12 18:00:09,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-09-12 18:00:09,648 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.774193548387097) internal successors, (179), 31 states have internal predecessors, (179), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 182 [2024-09-12 18:00:09,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:00:09,654 INFO L225 Difference]: With dead ends: 1635 [2024-09-12 18:00:09,654 INFO L226 Difference]: Without dead ends: 1629 [2024-09-12 18:00:09,656 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1395, Invalid=2265, Unknown=0, NotChecked=0, Total=3660 [2024-09-12 18:00:09,656 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 3084 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 5717 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3084 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 6051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 5717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-09-12 18:00:09,656 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [3084 Valid, 638 Invalid, 6051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 5717 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-09-12 18:00:09,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1629 states. [2024-09-12 18:00:09,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1629 to 1629. [2024-09-12 18:00:09,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1629 states, 1543 states have (on average 1.167206740116656) internal successors, (1801), 1625 states have internal predecessors, (1801), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:09,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1629 states and 1804 transitions. [2024-09-12 18:00:09,890 INFO L78 Accepts]: Start accepts. Automaton has 1629 states and 1804 transitions. Word has length 182 [2024-09-12 18:00:09,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:00:09,890 INFO L474 AbstractCegarLoop]: Abstraction has 1629 states and 1804 transitions. [2024-09-12 18:00:09,890 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.774193548387097) internal successors, (179), 31 states have internal predecessors, (179), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:09,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:09,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 1804 transitions. [2024-09-12 18:00:09,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-09-12 18:00:09,893 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:00:09,893 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:00:09,893 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-09-12 18:00:09,893 INFO L399 AbstractCegarLoop]: === Iteration 33 === Targeting mainErr135ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:00:09,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:09,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1753879739, now seen corresponding path program 1 times [2024-09-12 18:00:09,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:00:09,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053561791] [2024-09-12 18:00:09,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:00:09,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:00:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:10,578 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:00:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:10,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:00:10,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:00:10,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053561791] [2024-09-12 18:00:10,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053561791] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:00:10,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:00:10,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2024-09-12 18:00:10,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609620069] [2024-09-12 18:00:10,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:00:10,583 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-09-12 18:00:10,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:00:10,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-09-12 18:00:10,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=558, Unknown=0, NotChecked=0, Total=1056 [2024-09-12 18:00:10,584 INFO L87 Difference]: Start difference. First operand 1629 states and 1804 transitions. Second operand has 33 states, 32 states have (on average 5.78125) internal successors, (185), 32 states have internal predecessors, (185), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:13,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:00:13,716 INFO L93 Difference]: Finished difference Result 1665 states and 1844 transitions. [2024-09-12 18:00:13,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-09-12 18:00:13,717 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 5.78125) internal successors, (185), 32 states have internal predecessors, (185), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 188 [2024-09-12 18:00:13,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:00:13,720 INFO L225 Difference]: With dead ends: 1665 [2024-09-12 18:00:13,720 INFO L226 Difference]: Without dead ends: 1659 [2024-09-12 18:00:13,722 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1488, Invalid=2418, Unknown=0, NotChecked=0, Total=3906 [2024-09-12 18:00:13,722 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 3984 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 3721 mSolverCounterSat, 446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3984 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 4167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 446 IncrementalHoareTripleChecker+Valid, 3721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-09-12 18:00:13,722 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [3984 Valid, 548 Invalid, 4167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [446 Valid, 3721 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-09-12 18:00:13,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2024-09-12 18:00:13,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1659. [2024-09-12 18:00:13,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1659 states, 1575 states have (on average 1.1650793650793652) internal successors, (1835), 1655 states have internal predecessors, (1835), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:13,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 1838 transitions. [2024-09-12 18:00:13,827 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 1838 transitions. Word has length 188 [2024-09-12 18:00:13,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:00:13,827 INFO L474 AbstractCegarLoop]: Abstraction has 1659 states and 1838 transitions. [2024-09-12 18:00:13,827 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 5.78125) internal successors, (185), 32 states have internal predecessors, (185), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:13,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:13,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 1838 transitions. [2024-09-12 18:00:13,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-09-12 18:00:13,829 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:00:13,830 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:00:13,830 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-09-12 18:00:13,830 INFO L399 AbstractCegarLoop]: === Iteration 34 === Targeting mainErr139ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:00:13,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:13,830 INFO L85 PathProgramCache]: Analyzing trace with hash 337566940, now seen corresponding path program 1 times [2024-09-12 18:00:13,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:00:13,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73666421] [2024-09-12 18:00:13,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:00:13,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:00:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:14,632 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:00:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:14,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:00:14,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:00:14,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73666421] [2024-09-12 18:00:14,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73666421] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:00:14,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:00:14,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2024-09-12 18:00:14,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717325453] [2024-09-12 18:00:14,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:00:14,637 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-09-12 18:00:14,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:00:14,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-09-12 18:00:14,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=592, Unknown=0, NotChecked=0, Total=1122 [2024-09-12 18:00:14,638 INFO L87 Difference]: Start difference. First operand 1659 states and 1838 transitions. Second operand has 34 states, 33 states have (on average 5.787878787878788) internal successors, (191), 33 states have internal predecessors, (191), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:17,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:00:17,679 INFO L93 Difference]: Finished difference Result 1695 states and 1878 transitions. [2024-09-12 18:00:17,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-09-12 18:00:17,680 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 5.787878787878788) internal successors, (191), 33 states have internal predecessors, (191), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 194 [2024-09-12 18:00:17,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:00:17,684 INFO L225 Difference]: With dead ends: 1695 [2024-09-12 18:00:17,684 INFO L226 Difference]: Without dead ends: 1689 [2024-09-12 18:00:17,685 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1584, Invalid=2576, Unknown=0, NotChecked=0, Total=4160 [2024-09-12 18:00:17,686 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 4374 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 3228 mSolverCounterSat, 501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4374 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 3729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 501 IncrementalHoareTripleChecker+Valid, 3228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-09-12 18:00:17,686 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [4374 Valid, 524 Invalid, 3729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [501 Valid, 3228 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-09-12 18:00:17,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2024-09-12 18:00:17,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1689. [2024-09-12 18:00:17,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1689 states, 1607 states have (on average 1.163036714374611) internal successors, (1869), 1685 states have internal predecessors, (1869), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:17,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 1872 transitions. [2024-09-12 18:00:17,795 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 1872 transitions. Word has length 194 [2024-09-12 18:00:17,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:00:17,795 INFO L474 AbstractCegarLoop]: Abstraction has 1689 states and 1872 transitions. [2024-09-12 18:00:17,796 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 5.787878787878788) internal successors, (191), 33 states have internal predecessors, (191), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:17,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:17,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 1872 transitions. [2024-09-12 18:00:17,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-09-12 18:00:17,799 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:00:17,799 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:00:17,800 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-09-12 18:00:17,800 INFO L399 AbstractCegarLoop]: === Iteration 35 === Targeting mainErr143ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:00:17,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:17,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1605378573, now seen corresponding path program 1 times [2024-09-12 18:00:17,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:00:17,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579735341] [2024-09-12 18:00:17,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:00:17,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:00:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:18,781 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:00:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:18,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:00:18,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:00:18,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579735341] [2024-09-12 18:00:18,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579735341] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:00:18,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:00:18,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2024-09-12 18:00:18,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070231236] [2024-09-12 18:00:18,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:00:18,785 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-09-12 18:00:18,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:00:18,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-09-12 18:00:18,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=627, Unknown=0, NotChecked=0, Total=1190 [2024-09-12 18:00:18,786 INFO L87 Difference]: Start difference. First operand 1689 states and 1872 transitions. Second operand has 35 states, 34 states have (on average 5.794117647058823) internal successors, (197), 34 states have internal predecessors, (197), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:22,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:00:22,300 INFO L93 Difference]: Finished difference Result 1725 states and 1912 transitions. [2024-09-12 18:00:22,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-09-12 18:00:22,300 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 5.794117647058823) internal successors, (197), 34 states have internal predecessors, (197), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 200 [2024-09-12 18:00:22,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:00:22,304 INFO L225 Difference]: With dead ends: 1725 [2024-09-12 18:00:22,304 INFO L226 Difference]: Without dead ends: 1719 [2024-09-12 18:00:22,305 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1683, Invalid=2739, Unknown=0, NotChecked=0, Total=4422 [2024-09-12 18:00:22,305 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 4338 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 4632 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4338 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 5139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 4632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-09-12 18:00:22,305 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [4338 Valid, 608 Invalid, 5139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 4632 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-09-12 18:00:22,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2024-09-12 18:00:22,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1719. [2024-09-12 18:00:22,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1719 states, 1639 states have (on average 1.1610738255033557) internal successors, (1903), 1715 states have internal predecessors, (1903), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:22,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1719 states and 1906 transitions. [2024-09-12 18:00:22,409 INFO L78 Accepts]: Start accepts. Automaton has 1719 states and 1906 transitions. Word has length 200 [2024-09-12 18:00:22,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:00:22,410 INFO L474 AbstractCegarLoop]: Abstraction has 1719 states and 1906 transitions. [2024-09-12 18:00:22,410 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 5.794117647058823) internal successors, (197), 34 states have internal predecessors, (197), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:22,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:22,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 1906 transitions. [2024-09-12 18:00:22,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-09-12 18:00:22,412 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:00:22,412 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:00:22,412 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-09-12 18:00:22,412 INFO L399 AbstractCegarLoop]: === Iteration 36 === Targeting mainErr147ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:00:22,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:22,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1721716362, now seen corresponding path program 1 times [2024-09-12 18:00:22,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:00:22,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163887370] [2024-09-12 18:00:22,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:00:22,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:00:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:23,246 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:00:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:23,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:00:23,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:00:23,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163887370] [2024-09-12 18:00:23,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163887370] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:00:23,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:00:23,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2024-09-12 18:00:23,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303056623] [2024-09-12 18:00:23,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:00:23,249 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-12 18:00:23,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:00:23,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-12 18:00:23,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=597, Invalid=663, Unknown=0, NotChecked=0, Total=1260 [2024-09-12 18:00:23,251 INFO L87 Difference]: Start difference. First operand 1719 states and 1906 transitions. Second operand has 36 states, 35 states have (on average 5.8) internal successors, (203), 35 states have internal predecessors, (203), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:26,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:00:26,833 INFO L93 Difference]: Finished difference Result 1755 states and 1946 transitions. [2024-09-12 18:00:26,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-09-12 18:00:26,833 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 5.8) internal successors, (203), 35 states have internal predecessors, (203), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 206 [2024-09-12 18:00:26,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:00:26,837 INFO L225 Difference]: With dead ends: 1755 [2024-09-12 18:00:26,837 INFO L226 Difference]: Without dead ends: 1749 [2024-09-12 18:00:26,838 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 560 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1785, Invalid=2907, Unknown=0, NotChecked=0, Total=4692 [2024-09-12 18:00:26,838 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 4462 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 4702 mSolverCounterSat, 524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4462 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 5226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 524 IncrementalHoareTripleChecker+Valid, 4702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-09-12 18:00:26,838 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [4462 Valid, 626 Invalid, 5226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [524 Valid, 4702 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-09-12 18:00:26,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2024-09-12 18:00:26,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 1749. [2024-09-12 18:00:26,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1749 states, 1671 states have (on average 1.159186116098145) internal successors, (1937), 1745 states have internal predecessors, (1937), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:26,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1749 states and 1940 transitions. [2024-09-12 18:00:26,964 INFO L78 Accepts]: Start accepts. Automaton has 1749 states and 1940 transitions. Word has length 206 [2024-09-12 18:00:26,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:00:26,965 INFO L474 AbstractCegarLoop]: Abstraction has 1749 states and 1940 transitions. [2024-09-12 18:00:26,965 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 5.8) internal successors, (203), 35 states have internal predecessors, (203), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:26,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 1940 transitions. [2024-09-12 18:00:26,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-09-12 18:00:26,968 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:00:26,968 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:00:26,969 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-09-12 18:00:26,969 INFO L399 AbstractCegarLoop]: === Iteration 37 === Targeting mainErr151ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:00:26,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:26,969 INFO L85 PathProgramCache]: Analyzing trace with hash 526093985, now seen corresponding path program 1 times [2024-09-12 18:00:26,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:00:26,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266789644] [2024-09-12 18:00:26,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:00:26,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:00:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:27,946 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:00:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:27,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:00:27,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:00:27,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266789644] [2024-09-12 18:00:27,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266789644] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:00:27,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:00:27,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2024-09-12 18:00:27,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27911198] [2024-09-12 18:00:27,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:00:27,951 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-09-12 18:00:27,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:00:27,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-09-12 18:00:27,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=700, Unknown=0, NotChecked=0, Total=1332 [2024-09-12 18:00:27,953 INFO L87 Difference]: Start difference. First operand 1749 states and 1940 transitions. Second operand has 37 states, 36 states have (on average 5.805555555555555) internal successors, (209), 36 states have internal predecessors, (209), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:31,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:00:31,515 INFO L93 Difference]: Finished difference Result 1785 states and 1980 transitions. [2024-09-12 18:00:31,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-09-12 18:00:31,515 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 5.805555555555555) internal successors, (209), 36 states have internal predecessors, (209), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 212 [2024-09-12 18:00:31,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:00:31,519 INFO L225 Difference]: With dead ends: 1785 [2024-09-12 18:00:31,519 INFO L226 Difference]: Without dead ends: 1779 [2024-09-12 18:00:31,520 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1890, Invalid=3080, Unknown=0, NotChecked=0, Total=4970 [2024-09-12 18:00:31,520 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 3923 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 4022 mSolverCounterSat, 444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3923 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 4466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 444 IncrementalHoareTripleChecker+Valid, 4022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-09-12 18:00:31,521 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [3923 Valid, 596 Invalid, 4466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [444 Valid, 4022 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-09-12 18:00:31,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1779 states. [2024-09-12 18:00:31,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1779 to 1779. [2024-09-12 18:00:31,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1779 states, 1703 states have (on average 1.1573693482090428) internal successors, (1971), 1775 states have internal predecessors, (1971), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:31,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 1974 transitions. [2024-09-12 18:00:31,640 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 1974 transitions. Word has length 212 [2024-09-12 18:00:31,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:00:31,640 INFO L474 AbstractCegarLoop]: Abstraction has 1779 states and 1974 transitions. [2024-09-12 18:00:31,641 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 5.805555555555555) internal successors, (209), 36 states have internal predecessors, (209), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:31,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:31,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 1974 transitions. [2024-09-12 18:00:31,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-09-12 18:00:31,643 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:00:31,643 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:00:31,643 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-09-12 18:00:31,643 INFO L399 AbstractCegarLoop]: === Iteration 38 === Targeting mainErr155ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:00:31,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:31,643 INFO L85 PathProgramCache]: Analyzing trace with hash -427098568, now seen corresponding path program 1 times [2024-09-12 18:00:31,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:00:31,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807323552] [2024-09-12 18:00:31,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:00:31,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:00:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:32,505 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:00:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:32,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:00:32,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:00:32,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807323552] [2024-09-12 18:00:32,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807323552] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:00:32,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:00:32,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2024-09-12 18:00:32,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690232945] [2024-09-12 18:00:32,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:00:32,509 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-09-12 18:00:32,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:00:32,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-09-12 18:00:32,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=668, Invalid=738, Unknown=0, NotChecked=0, Total=1406 [2024-09-12 18:00:32,510 INFO L87 Difference]: Start difference. First operand 1779 states and 1974 transitions. Second operand has 38 states, 37 states have (on average 5.8108108108108105) internal successors, (215), 37 states have internal predecessors, (215), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:36,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:00:36,203 INFO L93 Difference]: Finished difference Result 1815 states and 2014 transitions. [2024-09-12 18:00:36,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-09-12 18:00:36,203 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 5.8108108108108105) internal successors, (215), 37 states have internal predecessors, (215), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 218 [2024-09-12 18:00:36,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:00:36,208 INFO L225 Difference]: With dead ends: 1815 [2024-09-12 18:00:36,208 INFO L226 Difference]: Without dead ends: 1809 [2024-09-12 18:00:36,209 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 629 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1998, Invalid=3258, Unknown=0, NotChecked=0, Total=5256 [2024-09-12 18:00:36,209 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 5495 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 4498 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5495 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 5158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 4498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-09-12 18:00:36,210 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [5495 Valid, 644 Invalid, 5158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 4498 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-09-12 18:00:36,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2024-09-12 18:00:36,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1809. [2024-09-12 18:00:36,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1735 states have (on average 1.1556195965417868) internal successors, (2005), 1805 states have internal predecessors, (2005), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:36,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2008 transitions. [2024-09-12 18:00:36,369 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2008 transitions. Word has length 218 [2024-09-12 18:00:36,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:00:36,370 INFO L474 AbstractCegarLoop]: Abstraction has 1809 states and 2008 transitions. [2024-09-12 18:00:36,370 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 5.8108108108108105) internal successors, (215), 37 states have internal predecessors, (215), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:36,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:36,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2008 transitions. [2024-09-12 18:00:36,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-09-12 18:00:36,373 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:00:36,373 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:00:36,373 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-09-12 18:00:36,374 INFO L399 AbstractCegarLoop]: === Iteration 39 === Targeting mainErr157ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:00:36,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:36,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1860165439, now seen corresponding path program 1 times [2024-09-12 18:00:36,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:00:36,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348267962] [2024-09-12 18:00:36,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:00:36,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:00:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:37,271 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:00:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:00:37,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:00:37,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348267962] [2024-09-12 18:00:37,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348267962] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:00:37,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:00:37,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2024-09-12 18:00:37,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323399903] [2024-09-12 18:00:37,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:00:37,275 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-09-12 18:00:37,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:00:37,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-09-12 18:00:37,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=705, Invalid=777, Unknown=0, NotChecked=0, Total=1482 [2024-09-12 18:00:37,276 INFO L87 Difference]: Start difference. First operand 1809 states and 2008 transitions. Second operand has 39 states, 38 states have (on average 5.815789473684211) internal successors, (221), 38 states have internal predecessors, (221), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:40,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:00:40,967 INFO L93 Difference]: Finished difference Result 1845 states and 2048 transitions. [2024-09-12 18:00:40,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-09-12 18:00:40,968 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 5.815789473684211) internal successors, (221), 38 states have internal predecessors, (221), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 224 [2024-09-12 18:00:40,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:00:40,972 INFO L225 Difference]: With dead ends: 1845 [2024-09-12 18:00:40,972 INFO L226 Difference]: Without dead ends: 1839 [2024-09-12 18:00:40,972 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 665 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2109, Invalid=3441, Unknown=0, NotChecked=0, Total=5550 [2024-09-12 18:00:40,973 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 4400 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 4215 mSolverCounterSat, 517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4400 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 4732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 4215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-09-12 18:00:40,973 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [4400 Valid, 614 Invalid, 4732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [517 Valid, 4215 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-09-12 18:00:40,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2024-09-12 18:00:41,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1839. [2024-09-12 18:00:41,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1839 states, 1767 states have (on average 1.153933220147142) internal successors, (2039), 1835 states have internal predecessors, (2039), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:41,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 2042 transitions. [2024-09-12 18:00:41,079 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 2042 transitions. Word has length 224 [2024-09-12 18:00:41,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:00:41,080 INFO L474 AbstractCegarLoop]: Abstraction has 1839 states and 2042 transitions. [2024-09-12 18:00:41,080 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 5.815789473684211) internal successors, (221), 38 states have internal predecessors, (221), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:41,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:41,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2042 transitions. [2024-09-12 18:00:41,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-09-12 18:00:41,082 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:00:41,082 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:00:41,082 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-09-12 18:00:41,082 INFO L399 AbstractCegarLoop]: === Iteration 40 === Targeting mainErr163ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:00:41,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:41,082 INFO L85 PathProgramCache]: Analyzing trace with hash -2030769178, now seen corresponding path program 1 times [2024-09-12 18:00:41,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:00:41,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128857117] [2024-09-12 18:00:41,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:00:41,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:00:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:41,994 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:00:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:41,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:00:41,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:00:41,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128857117] [2024-09-12 18:00:41,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128857117] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:00:41,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:00:41,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2024-09-12 18:00:41,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589217081] [2024-09-12 18:00:41,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:00:41,997 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-09-12 18:00:41,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:00:41,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-09-12 18:00:41,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=743, Invalid=817, Unknown=0, NotChecked=0, Total=1560 [2024-09-12 18:00:41,998 INFO L87 Difference]: Start difference. First operand 1839 states and 2042 transitions. Second operand has 40 states, 39 states have (on average 5.82051282051282) internal successors, (227), 39 states have internal predecessors, (227), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:45,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:00:45,963 INFO L93 Difference]: Finished difference Result 1875 states and 2082 transitions. [2024-09-12 18:00:45,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-09-12 18:00:45,963 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 39 states have (on average 5.82051282051282) internal successors, (227), 39 states have internal predecessors, (227), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 230 [2024-09-12 18:00:45,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:00:45,968 INFO L225 Difference]: With dead ends: 1875 [2024-09-12 18:00:45,968 INFO L226 Difference]: Without dead ends: 1869 [2024-09-12 18:00:45,970 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=2223, Invalid=3629, Unknown=0, NotChecked=0, Total=5852 [2024-09-12 18:00:45,972 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 4656 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 4895 mSolverCounterSat, 542 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4656 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 5437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 542 IncrementalHoareTripleChecker+Valid, 4895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-09-12 18:00:45,972 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [4656 Valid, 710 Invalid, 5437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [542 Valid, 4895 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-09-12 18:00:45,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1869 states. [2024-09-12 18:00:46,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1869 to 1869. [2024-09-12 18:00:46,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1869 states, 1799 states have (on average 1.1523068371317398) internal successors, (2073), 1865 states have internal predecessors, (2073), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:46,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 1869 states and 2076 transitions. [2024-09-12 18:00:46,178 INFO L78 Accepts]: Start accepts. Automaton has 1869 states and 2076 transitions. Word has length 230 [2024-09-12 18:00:46,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:00:46,179 INFO L474 AbstractCegarLoop]: Abstraction has 1869 states and 2076 transitions. [2024-09-12 18:00:46,179 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 5.82051282051282) internal successors, (227), 39 states have internal predecessors, (227), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:46,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:46,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 2076 transitions. [2024-09-12 18:00:46,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-09-12 18:00:46,186 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:00:46,186 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:00:46,187 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-09-12 18:00:46,187 INFO L399 AbstractCegarLoop]: === Iteration 41 === Targeting mainErr167ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:00:46,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:46,188 INFO L85 PathProgramCache]: Analyzing trace with hash 282339837, now seen corresponding path program 1 times [2024-09-12 18:00:46,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:00:46,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720253535] [2024-09-12 18:00:46,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:00:46,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:00:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:47,182 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:00:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:47,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:00:47,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:00:47,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720253535] [2024-09-12 18:00:47,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720253535] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:00:47,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:00:47,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2024-09-12 18:00:47,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993093165] [2024-09-12 18:00:47,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:00:47,187 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-09-12 18:00:47,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:00:47,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-09-12 18:00:47,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=782, Invalid=858, Unknown=0, NotChecked=0, Total=1640 [2024-09-12 18:00:47,188 INFO L87 Difference]: Start difference. First operand 1869 states and 2076 transitions. Second operand has 41 states, 40 states have (on average 5.825) internal successors, (233), 40 states have internal predecessors, (233), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:51,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:00:51,051 INFO L93 Difference]: Finished difference Result 1905 states and 2116 transitions. [2024-09-12 18:00:51,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-09-12 18:00:51,051 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 5.825) internal successors, (233), 40 states have internal predecessors, (233), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 236 [2024-09-12 18:00:51,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:00:51,055 INFO L225 Difference]: With dead ends: 1905 [2024-09-12 18:00:51,055 INFO L226 Difference]: Without dead ends: 1899 [2024-09-12 18:00:51,057 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=2340, Invalid=3822, Unknown=0, NotChecked=0, Total=6162 [2024-09-12 18:00:51,057 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 4860 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 4047 mSolverCounterSat, 573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4860 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 4620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 573 IncrementalHoareTripleChecker+Valid, 4047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-09-12 18:00:51,057 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [4860 Valid, 644 Invalid, 4620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [573 Valid, 4047 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-09-12 18:00:51,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1899 states. [2024-09-12 18:00:51,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1899 to 1899. [2024-09-12 18:00:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1899 states, 1831 states have (on average 1.1507373020207536) internal successors, (2107), 1895 states have internal predecessors, (2107), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:51,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1899 states and 2110 transitions. [2024-09-12 18:00:51,183 INFO L78 Accepts]: Start accepts. Automaton has 1899 states and 2110 transitions. Word has length 236 [2024-09-12 18:00:51,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:00:51,184 INFO L474 AbstractCegarLoop]: Abstraction has 1899 states and 2110 transitions. [2024-09-12 18:00:51,184 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 5.825) internal successors, (233), 40 states have internal predecessors, (233), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:51,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:51,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 2110 transitions. [2024-09-12 18:00:51,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-09-12 18:00:51,186 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:00:51,186 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:00:51,186 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-09-12 18:00:51,187 INFO L399 AbstractCegarLoop]: === Iteration 42 === Targeting mainErr171ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:00:51,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:51,187 INFO L85 PathProgramCache]: Analyzing trace with hash 913315732, now seen corresponding path program 1 times [2024-09-12 18:00:51,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:00:51,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147282957] [2024-09-12 18:00:51,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:00:51,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:00:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:52,396 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:00:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:52,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:00:52,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:00:52,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147282957] [2024-09-12 18:00:52,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147282957] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:00:52,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:00:52,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [41] imperfect sequences [] total 41 [2024-09-12 18:00:52,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103486024] [2024-09-12 18:00:52,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:00:52,400 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-09-12 18:00:52,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:00:52,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-09-12 18:00:52,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=822, Invalid=900, Unknown=0, NotChecked=0, Total=1722 [2024-09-12 18:00:52,401 INFO L87 Difference]: Start difference. First operand 1899 states and 2110 transitions. Second operand has 42 states, 41 states have (on average 5.829268292682927) internal successors, (239), 41 states have internal predecessors, (239), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:56,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:00:56,699 INFO L93 Difference]: Finished difference Result 1935 states and 2150 transitions. [2024-09-12 18:00:56,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-09-12 18:00:56,699 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 41 states have (on average 5.829268292682927) internal successors, (239), 41 states have internal predecessors, (239), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 242 [2024-09-12 18:00:56,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:00:56,703 INFO L225 Difference]: With dead ends: 1935 [2024-09-12 18:00:56,703 INFO L226 Difference]: Without dead ends: 1929 [2024-09-12 18:00:56,704 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 779 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=2460, Invalid=4020, Unknown=0, NotChecked=0, Total=6480 [2024-09-12 18:00:56,705 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 4860 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 5322 mSolverCounterSat, 580 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4860 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 5902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 580 IncrementalHoareTripleChecker+Valid, 5322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-09-12 18:00:56,705 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [4860 Valid, 758 Invalid, 5902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [580 Valid, 5322 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-09-12 18:00:56,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2024-09-12 18:00:56,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1929. [2024-09-12 18:00:56,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1929 states, 1863 states have (on average 1.1492216854535695) internal successors, (2141), 1925 states have internal predecessors, (2141), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:56,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1929 states and 2144 transitions. [2024-09-12 18:00:56,869 INFO L78 Accepts]: Start accepts. Automaton has 1929 states and 2144 transitions. Word has length 242 [2024-09-12 18:00:56,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:00:56,870 INFO L474 AbstractCegarLoop]: Abstraction has 1929 states and 2144 transitions. [2024-09-12 18:00:56,870 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 5.829268292682927) internal successors, (239), 41 states have internal predecessors, (239), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:00:56,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:56,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2144 transitions. [2024-09-12 18:00:56,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-09-12 18:00:56,875 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:00:56,875 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:00:56,875 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-09-12 18:00:56,876 INFO L399 AbstractCegarLoop]: === Iteration 43 === Targeting mainErr175ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:00:56,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:56,876 INFO L85 PathProgramCache]: Analyzing trace with hash 275190955, now seen corresponding path program 1 times [2024-09-12 18:00:56,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:00:56,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204686869] [2024-09-12 18:00:56,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:00:56,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:00:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:57,925 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:00:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:57,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:00:57,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:00:57,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204686869] [2024-09-12 18:00:57,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204686869] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:00:57,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:00:57,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2024-09-12 18:00:57,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434507910] [2024-09-12 18:00:57,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:00:57,930 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-09-12 18:00:57,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:00:57,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-09-12 18:00:57,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=863, Invalid=943, Unknown=0, NotChecked=0, Total=1806 [2024-09-12 18:00:57,932 INFO L87 Difference]: Start difference. First operand 1929 states and 2144 transitions. Second operand has 43 states, 42 states have (on average 5.833333333333333) internal successors, (245), 42 states have internal predecessors, (245), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:02,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:01:02,141 INFO L93 Difference]: Finished difference Result 1965 states and 2184 transitions. [2024-09-12 18:01:02,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-09-12 18:01:02,142 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 5.833333333333333) internal successors, (245), 42 states have internal predecessors, (245), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 248 [2024-09-12 18:01:02,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:01:02,145 INFO L225 Difference]: With dead ends: 1965 [2024-09-12 18:01:02,145 INFO L226 Difference]: Without dead ends: 1959 [2024-09-12 18:01:02,146 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=2583, Invalid=4223, Unknown=0, NotChecked=0, Total=6806 [2024-09-12 18:01:02,146 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 4699 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 4670 mSolverCounterSat, 552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4699 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 5222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 552 IncrementalHoareTripleChecker+Valid, 4670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-09-12 18:01:02,147 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [4699 Valid, 734 Invalid, 5222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [552 Valid, 4670 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-09-12 18:01:02,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2024-09-12 18:01:02,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1959. [2024-09-12 18:01:02,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1959 states, 1895 states have (on average 1.1477572559366755) internal successors, (2175), 1955 states have internal predecessors, (2175), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:02,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 2178 transitions. [2024-09-12 18:01:02,258 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 2178 transitions. Word has length 248 [2024-09-12 18:01:02,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:01:02,258 INFO L474 AbstractCegarLoop]: Abstraction has 1959 states and 2178 transitions. [2024-09-12 18:01:02,258 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 5.833333333333333) internal successors, (245), 42 states have internal predecessors, (245), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:02,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:02,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 2178 transitions. [2024-09-12 18:01:02,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-09-12 18:01:02,262 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:01:02,262 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:01:02,262 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-09-12 18:01:02,262 INFO L399 AbstractCegarLoop]: === Iteration 44 === Targeting mainErr179ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:01:02,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:02,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1626373822, now seen corresponding path program 1 times [2024-09-12 18:01:02,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:01:02,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067221981] [2024-09-12 18:01:02,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:01:02,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:01:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:03,566 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:01:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:03,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:01:03,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:01:03,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067221981] [2024-09-12 18:01:03,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067221981] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:01:03,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:01:03,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2024-09-12 18:01:03,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837547419] [2024-09-12 18:01:03,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:01:03,570 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-09-12 18:01:03,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:01:03,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-09-12 18:01:03,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=905, Invalid=987, Unknown=0, NotChecked=0, Total=1892 [2024-09-12 18:01:03,572 INFO L87 Difference]: Start difference. First operand 1959 states and 2178 transitions. Second operand has 44 states, 43 states have (on average 5.837209302325581) internal successors, (251), 43 states have internal predecessors, (251), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:07,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:01:07,838 INFO L93 Difference]: Finished difference Result 1995 states and 2218 transitions. [2024-09-12 18:01:07,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-09-12 18:01:07,839 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 5.837209302325581) internal successors, (251), 43 states have internal predecessors, (251), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 254 [2024-09-12 18:01:07,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:01:07,842 INFO L225 Difference]: With dead ends: 1995 [2024-09-12 18:01:07,842 INFO L226 Difference]: Without dead ends: 1989 [2024-09-12 18:01:07,843 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=2709, Invalid=4431, Unknown=0, NotChecked=0, Total=7140 [2024-09-12 18:01:07,843 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 6194 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 4554 mSolverCounterSat, 756 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6194 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 5310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 756 IncrementalHoareTripleChecker+Valid, 4554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-09-12 18:01:07,843 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [6194 Valid, 716 Invalid, 5310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [756 Valid, 4554 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-09-12 18:01:07,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2024-09-12 18:01:07,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 1989. [2024-09-12 18:01:07,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1989 states, 1927 states have (on average 1.146341463414634) internal successors, (2209), 1985 states have internal predecessors, (2209), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:07,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1989 states and 2212 transitions. [2024-09-12 18:01:07,951 INFO L78 Accepts]: Start accepts. Automaton has 1989 states and 2212 transitions. Word has length 254 [2024-09-12 18:01:07,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:01:07,951 INFO L474 AbstractCegarLoop]: Abstraction has 1989 states and 2212 transitions. [2024-09-12 18:01:07,951 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 5.837209302325581) internal successors, (251), 43 states have internal predecessors, (251), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:07,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:07,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1989 states and 2212 transitions. [2024-09-12 18:01:07,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-09-12 18:01:07,954 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:01:07,954 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:01:07,954 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-09-12 18:01:07,954 INFO L399 AbstractCegarLoop]: === Iteration 45 === Targeting mainErr183ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:01:07,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:07,955 INFO L85 PathProgramCache]: Analyzing trace with hash 544718169, now seen corresponding path program 1 times [2024-09-12 18:01:07,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:01:07,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975618017] [2024-09-12 18:01:07,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:01:07,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:01:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:09,167 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:01:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:01:09,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:01:09,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975618017] [2024-09-12 18:01:09,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975618017] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:01:09,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:01:09,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2024-09-12 18:01:09,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379420145] [2024-09-12 18:01:09,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:01:09,171 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-09-12 18:01:09,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:01:09,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-09-12 18:01:09,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=948, Invalid=1032, Unknown=0, NotChecked=0, Total=1980 [2024-09-12 18:01:09,172 INFO L87 Difference]: Start difference. First operand 1989 states and 2212 transitions. Second operand has 45 states, 44 states have (on average 5.840909090909091) internal successors, (257), 44 states have internal predecessors, (257), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:13,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:01:13,526 INFO L93 Difference]: Finished difference Result 2025 states and 2252 transitions. [2024-09-12 18:01:13,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-09-12 18:01:13,527 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 5.840909090909091) internal successors, (257), 44 states have internal predecessors, (257), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 260 [2024-09-12 18:01:13,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:01:13,531 INFO L225 Difference]: With dead ends: 2025 [2024-09-12 18:01:13,531 INFO L226 Difference]: Without dead ends: 2019 [2024-09-12 18:01:13,532 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 902 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2838, Invalid=4644, Unknown=0, NotChecked=0, Total=7482 [2024-09-12 18:01:13,532 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 5064 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 4534 mSolverCounterSat, 605 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5064 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 5139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 605 IncrementalHoareTripleChecker+Valid, 4534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-09-12 18:01:13,532 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [5064 Valid, 722 Invalid, 5139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [605 Valid, 4534 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-09-12 18:01:13,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2019 states. [2024-09-12 18:01:13,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2019 to 2019. [2024-09-12 18:01:13,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2019 states, 1959 states have (on average 1.1449719244512506) internal successors, (2243), 2015 states have internal predecessors, (2243), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:13,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 2019 states and 2246 transitions. [2024-09-12 18:01:13,702 INFO L78 Accepts]: Start accepts. Automaton has 2019 states and 2246 transitions. Word has length 260 [2024-09-12 18:01:13,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:01:13,702 INFO L474 AbstractCegarLoop]: Abstraction has 2019 states and 2246 transitions. [2024-09-12 18:01:13,702 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 5.840909090909091) internal successors, (257), 44 states have internal predecessors, (257), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:13,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:13,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 2246 transitions. [2024-09-12 18:01:13,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-09-12 18:01:13,705 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:01:13,705 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:01:13,705 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-09-12 18:01:13,705 INFO L399 AbstractCegarLoop]: === Iteration 46 === Targeting mainErr187ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:01:13,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:13,706 INFO L85 PathProgramCache]: Analyzing trace with hash -429512464, now seen corresponding path program 1 times [2024-09-12 18:01:13,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:01:13,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215187719] [2024-09-12 18:01:13,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:01:13,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:01:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:14,977 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:01:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:14,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:01:14,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:01:14,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215187719] [2024-09-12 18:01:14,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215187719] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:01:14,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:01:14,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2024-09-12 18:01:14,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537835086] [2024-09-12 18:01:14,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:01:14,981 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-09-12 18:01:14,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:01:14,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-09-12 18:01:14,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=992, Invalid=1078, Unknown=0, NotChecked=0, Total=2070 [2024-09-12 18:01:14,983 INFO L87 Difference]: Start difference. First operand 2019 states and 2246 transitions. Second operand has 46 states, 45 states have (on average 5.844444444444444) internal successors, (263), 45 states have internal predecessors, (263), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:19,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:01:19,559 INFO L93 Difference]: Finished difference Result 2055 states and 2286 transitions. [2024-09-12 18:01:19,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-09-12 18:01:19,559 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 5.844444444444444) internal successors, (263), 45 states have internal predecessors, (263), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 266 [2024-09-12 18:01:19,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:01:19,564 INFO L225 Difference]: With dead ends: 2055 [2024-09-12 18:01:19,565 INFO L226 Difference]: Without dead ends: 2049 [2024-09-12 18:01:19,566 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 945 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=2970, Invalid=4862, Unknown=0, NotChecked=0, Total=7832 [2024-09-12 18:01:19,566 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 5079 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 4606 mSolverCounterSat, 611 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5079 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 5217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 611 IncrementalHoareTripleChecker+Valid, 4606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-09-12 18:01:19,566 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [5079 Valid, 734 Invalid, 5217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [611 Valid, 4606 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-09-12 18:01:19,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2049 states. [2024-09-12 18:01:19,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2049 to 2049. [2024-09-12 18:01:19,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2049 states, 1991 states have (on average 1.143646408839779) internal successors, (2277), 2045 states have internal predecessors, (2277), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:19,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 2049 states and 2280 transitions. [2024-09-12 18:01:19,680 INFO L78 Accepts]: Start accepts. Automaton has 2049 states and 2280 transitions. Word has length 266 [2024-09-12 18:01:19,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:01:19,680 INFO L474 AbstractCegarLoop]: Abstraction has 2049 states and 2280 transitions. [2024-09-12 18:01:19,681 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 5.844444444444444) internal successors, (263), 45 states have internal predecessors, (263), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:19,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:19,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 2280 transitions. [2024-09-12 18:01:19,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-09-12 18:01:19,683 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:01:19,684 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:01:19,684 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-09-12 18:01:19,684 INFO L399 AbstractCegarLoop]: === Iteration 47 === Targeting mainErr189ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:01:19,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:19,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1416804487, now seen corresponding path program 1 times [2024-09-12 18:01:19,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:01:19,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154958814] [2024-09-12 18:01:19,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:01:19,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:01:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:20,975 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:01:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:01:20,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:01:20,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154958814] [2024-09-12 18:01:20,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154958814] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:01:20,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:01:20,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [46] imperfect sequences [] total 46 [2024-09-12 18:01:20,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303161631] [2024-09-12 18:01:20,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:01:20,979 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-09-12 18:01:20,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:01:20,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-09-12 18:01:20,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1037, Invalid=1125, Unknown=0, NotChecked=0, Total=2162 [2024-09-12 18:01:20,980 INFO L87 Difference]: Start difference. First operand 2049 states and 2280 transitions. Second operand has 47 states, 46 states have (on average 5.8478260869565215) internal successors, (269), 46 states have internal predecessors, (269), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:25,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:01:25,645 INFO L93 Difference]: Finished difference Result 2085 states and 2320 transitions. [2024-09-12 18:01:25,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-09-12 18:01:25,645 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 5.8478260869565215) internal successors, (269), 46 states have internal predecessors, (269), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 272 [2024-09-12 18:01:25,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:01:25,650 INFO L225 Difference]: With dead ends: 2085 [2024-09-12 18:01:25,650 INFO L226 Difference]: Without dead ends: 2079 [2024-09-12 18:01:25,651 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 989 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=3105, Invalid=5085, Unknown=0, NotChecked=0, Total=8190 [2024-09-12 18:01:25,652 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 5933 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 4687 mSolverCounterSat, 720 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5933 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 5407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 720 IncrementalHoareTripleChecker+Valid, 4687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-09-12 18:01:25,652 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [5933 Valid, 776 Invalid, 5407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [720 Valid, 4687 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-09-12 18:01:25,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2024-09-12 18:01:25,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 2079. [2024-09-12 18:01:25,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2079 states, 2023 states have (on average 1.1423628274839348) internal successors, (2311), 2075 states have internal predecessors, (2311), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:25,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 2314 transitions. [2024-09-12 18:01:25,832 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 2314 transitions. Word has length 272 [2024-09-12 18:01:25,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:01:25,832 INFO L474 AbstractCegarLoop]: Abstraction has 2079 states and 2314 transitions. [2024-09-12 18:01:25,832 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 5.8478260869565215) internal successors, (269), 46 states have internal predecessors, (269), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:25,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:25,833 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2314 transitions. [2024-09-12 18:01:25,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-09-12 18:01:25,835 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:01:25,835 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:01:25,835 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-09-12 18:01:25,835 INFO L399 AbstractCegarLoop]: === Iteration 48 === Targeting mainErr195ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:01:25,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:25,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1837567646, now seen corresponding path program 1 times [2024-09-12 18:01:25,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:01:25,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007679643] [2024-09-12 18:01:25,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:01:25,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:01:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:27,203 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:01:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:27,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:01:27,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:01:27,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007679643] [2024-09-12 18:01:27,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007679643] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:01:27,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:01:27,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2024-09-12 18:01:27,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913803077] [2024-09-12 18:01:27,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:01:27,209 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-09-12 18:01:27,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:01:27,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-09-12 18:01:27,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1083, Invalid=1173, Unknown=0, NotChecked=0, Total=2256 [2024-09-12 18:01:27,210 INFO L87 Difference]: Start difference. First operand 2079 states and 2314 transitions. Second operand has 48 states, 47 states have (on average 5.851063829787234) internal successors, (275), 47 states have internal predecessors, (275), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:31,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:01:31,983 INFO L93 Difference]: Finished difference Result 2115 states and 2354 transitions. [2024-09-12 18:01:31,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-09-12 18:01:31,983 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.851063829787234) internal successors, (275), 47 states have internal predecessors, (275), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 278 [2024-09-12 18:01:31,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:01:31,988 INFO L225 Difference]: With dead ends: 2115 [2024-09-12 18:01:31,988 INFO L226 Difference]: Without dead ends: 2109 [2024-09-12 18:01:31,989 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=3243, Invalid=5313, Unknown=0, NotChecked=0, Total=8556 [2024-09-12 18:01:31,990 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 5725 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 4532 mSolverCounterSat, 699 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5725 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 5231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 699 IncrementalHoareTripleChecker+Valid, 4532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-09-12 18:01:31,990 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [5725 Valid, 758 Invalid, 5231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [699 Valid, 4532 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-09-12 18:01:31,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2109 states. [2024-09-12 18:01:32,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2109 to 2109. [2024-09-12 18:01:32,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2109 states, 2055 states have (on average 1.1411192214111923) internal successors, (2345), 2105 states have internal predecessors, (2345), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:32,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2348 transitions. [2024-09-12 18:01:32,107 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2348 transitions. Word has length 278 [2024-09-12 18:01:32,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:01:32,108 INFO L474 AbstractCegarLoop]: Abstraction has 2109 states and 2348 transitions. [2024-09-12 18:01:32,108 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.851063829787234) internal successors, (275), 47 states have internal predecessors, (275), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:32,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:32,108 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2348 transitions. [2024-09-12 18:01:32,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-09-12 18:01:32,111 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:01:32,111 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:01:32,111 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-09-12 18:01:32,111 INFO L399 AbstractCegarLoop]: === Iteration 49 === Targeting mainErr199ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:01:32,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:32,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1159837515, now seen corresponding path program 1 times [2024-09-12 18:01:32,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:01:32,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081669563] [2024-09-12 18:01:32,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:01:32,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:01:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:33,597 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:01:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:33,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:01:33,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:01:33,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081669563] [2024-09-12 18:01:33,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081669563] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:01:33,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:01:33,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [] total 48 [2024-09-12 18:01:33,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817345601] [2024-09-12 18:01:33,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:01:33,601 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-09-12 18:01:33,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:01:33,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-09-12 18:01:33,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1130, Invalid=1222, Unknown=0, NotChecked=0, Total=2352 [2024-09-12 18:01:33,602 INFO L87 Difference]: Start difference. First operand 2109 states and 2348 transitions. Second operand has 49 states, 48 states have (on average 5.854166666666667) internal successors, (281), 48 states have internal predecessors, (281), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:38,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:01:38,684 INFO L93 Difference]: Finished difference Result 2145 states and 2388 transitions. [2024-09-12 18:01:38,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-09-12 18:01:38,685 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 48 states have (on average 5.854166666666667) internal successors, (281), 48 states have internal predecessors, (281), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 284 [2024-09-12 18:01:38,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:01:38,688 INFO L225 Difference]: With dead ends: 2145 [2024-09-12 18:01:38,688 INFO L226 Difference]: Without dead ends: 2139 [2024-09-12 18:01:38,689 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1080 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=3384, Invalid=5546, Unknown=0, NotChecked=0, Total=8930 [2024-09-12 18:01:38,690 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 5730 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 5381 mSolverCounterSat, 705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5730 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 6086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 705 IncrementalHoareTripleChecker+Valid, 5381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-09-12 18:01:38,690 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [5730 Valid, 842 Invalid, 6086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [705 Valid, 5381 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-09-12 18:01:38,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2024-09-12 18:01:38,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 2139. [2024-09-12 18:01:38,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2139 states, 2087 states have (on average 1.1399137517968376) internal successors, (2379), 2135 states have internal predecessors, (2379), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:38,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2382 transitions. [2024-09-12 18:01:38,804 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2382 transitions. Word has length 284 [2024-09-12 18:01:38,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:01:38,804 INFO L474 AbstractCegarLoop]: Abstraction has 2139 states and 2382 transitions. [2024-09-12 18:01:38,804 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 5.854166666666667) internal successors, (281), 48 states have internal predecessors, (281), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:38,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:38,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2382 transitions. [2024-09-12 18:01:38,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-09-12 18:01:38,807 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:01:38,807 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:01:38,807 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-09-12 18:01:38,807 INFO L399 AbstractCegarLoop]: === Iteration 50 === Targeting mainErr203ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:01:38,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:38,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1861930420, now seen corresponding path program 1 times [2024-09-12 18:01:38,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:01:38,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15700793] [2024-09-12 18:01:38,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:01:38,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:01:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:40,229 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:01:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:01:40,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:01:40,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15700793] [2024-09-12 18:01:40,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15700793] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:01:40,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:01:40,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49 [2024-09-12 18:01:40,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383677813] [2024-09-12 18:01:40,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:01:40,234 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-09-12 18:01:40,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:01:40,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-09-12 18:01:40,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1178, Invalid=1272, Unknown=0, NotChecked=0, Total=2450 [2024-09-12 18:01:40,235 INFO L87 Difference]: Start difference. First operand 2139 states and 2382 transitions. Second operand has 50 states, 49 states have (on average 5.857142857142857) internal successors, (287), 49 states have internal predecessors, (287), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:45,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:01:45,372 INFO L93 Difference]: Finished difference Result 2175 states and 2422 transitions. [2024-09-12 18:01:45,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-09-12 18:01:45,373 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 5.857142857142857) internal successors, (287), 49 states have internal predecessors, (287), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 290 [2024-09-12 18:01:45,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:01:45,377 INFO L225 Difference]: With dead ends: 2175 [2024-09-12 18:01:45,377 INFO L226 Difference]: Without dead ends: 2169 [2024-09-12 18:01:45,378 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1127 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=3528, Invalid=5784, Unknown=0, NotChecked=0, Total=9312 [2024-09-12 18:01:45,378 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 5348 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 5079 mSolverCounterSat, 646 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5348 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 5725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 646 IncrementalHoareTripleChecker+Valid, 5079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-09-12 18:01:45,379 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [5348 Valid, 890 Invalid, 5725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [646 Valid, 5079 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-09-12 18:01:45,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2169 states. [2024-09-12 18:01:45,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2169 to 2169. [2024-09-12 18:01:45,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2169 states, 2119 states have (on average 1.13874469089193) internal successors, (2413), 2165 states have internal predecessors, (2413), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:45,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 2416 transitions. [2024-09-12 18:01:45,516 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 2416 transitions. Word has length 290 [2024-09-12 18:01:45,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:01:45,517 INFO L474 AbstractCegarLoop]: Abstraction has 2169 states and 2416 transitions. [2024-09-12 18:01:45,517 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 5.857142857142857) internal successors, (287), 49 states have internal predecessors, (287), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:45,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:45,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2416 transitions. [2024-09-12 18:01:45,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-09-12 18:01:45,520 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:01:45,520 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:01:45,520 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-09-12 18:01:45,520 INFO L399 AbstractCegarLoop]: === Iteration 51 === Targeting mainErr207ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:01:45,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:45,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1369822365, now seen corresponding path program 1 times [2024-09-12 18:01:45,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:01:45,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034886192] [2024-09-12 18:01:45,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:01:45,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:01:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:47,016 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:01:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:47,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:01:47,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:01:47,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034886192] [2024-09-12 18:01:47,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034886192] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:01:47,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:01:47,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [50] imperfect sequences [] total 50 [2024-09-12 18:01:47,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267596162] [2024-09-12 18:01:47,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:01:47,021 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-09-12 18:01:47,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:01:47,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-09-12 18:01:47,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1227, Invalid=1323, Unknown=0, NotChecked=0, Total=2550 [2024-09-12 18:01:47,023 INFO L87 Difference]: Start difference. First operand 2169 states and 2416 transitions. Second operand has 51 states, 50 states have (on average 5.86) internal successors, (293), 50 states have internal predecessors, (293), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:52,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:01:52,105 INFO L93 Difference]: Finished difference Result 2205 states and 2456 transitions. [2024-09-12 18:01:52,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-09-12 18:01:52,105 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 50 states have (on average 5.86) internal successors, (293), 50 states have internal predecessors, (293), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 296 [2024-09-12 18:01:52,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:01:52,109 INFO L225 Difference]: With dead ends: 2205 [2024-09-12 18:01:52,109 INFO L226 Difference]: Without dead ends: 2199 [2024-09-12 18:01:52,110 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1175 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=3675, Invalid=6027, Unknown=0, NotChecked=0, Total=9702 [2024-09-12 18:01:52,111 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 7058 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 4327 mSolverCounterSat, 877 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7058 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 5204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 877 IncrementalHoareTripleChecker+Valid, 4327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-09-12 18:01:52,111 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [7058 Valid, 770 Invalid, 5204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [877 Valid, 4327 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-09-12 18:01:52,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2199 states. [2024-09-12 18:01:52,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2199 to 2199. [2024-09-12 18:01:52,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2199 states, 2151 states have (on average 1.1376104137610414) internal successors, (2447), 2195 states have internal predecessors, (2447), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:52,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 2199 states and 2450 transitions. [2024-09-12 18:01:52,248 INFO L78 Accepts]: Start accepts. Automaton has 2199 states and 2450 transitions. Word has length 296 [2024-09-12 18:01:52,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:01:52,249 INFO L474 AbstractCegarLoop]: Abstraction has 2199 states and 2450 transitions. [2024-09-12 18:01:52,249 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 50 states have (on average 5.86) internal successors, (293), 50 states have internal predecessors, (293), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:52,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:52,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2199 states and 2450 transitions. [2024-09-12 18:01:52,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-09-12 18:01:52,253 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:01:52,253 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:01:52,253 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-09-12 18:01:52,253 INFO L399 AbstractCegarLoop]: === Iteration 52 === Targeting mainErr211ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:01:52,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:52,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1760793594, now seen corresponding path program 1 times [2024-09-12 18:01:52,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:01:52,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117540784] [2024-09-12 18:01:52,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:01:52,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:01:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:53,743 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:01:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:01:53,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:01:53,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:01:53,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117540784] [2024-09-12 18:01:53,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117540784] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:01:53,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:01:53,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2024-09-12 18:01:53,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091987678] [2024-09-12 18:01:53,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:01:53,746 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-09-12 18:01:53,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:01:53,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-09-12 18:01:53,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1277, Invalid=1375, Unknown=0, NotChecked=0, Total=2652 [2024-09-12 18:01:53,748 INFO L87 Difference]: Start difference. First operand 2199 states and 2450 transitions. Second operand has 52 states, 51 states have (on average 5.862745098039215) internal successors, (299), 51 states have internal predecessors, (299), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:59,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:01:59,149 INFO L93 Difference]: Finished difference Result 2235 states and 2490 transitions. [2024-09-12 18:01:59,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-09-12 18:01:59,150 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 51 states have (on average 5.862745098039215) internal successors, (299), 51 states have internal predecessors, (299), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 302 [2024-09-12 18:01:59,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:01:59,154 INFO L225 Difference]: With dead ends: 2235 [2024-09-12 18:01:59,154 INFO L226 Difference]: Without dead ends: 2229 [2024-09-12 18:01:59,155 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1224 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=3825, Invalid=6275, Unknown=0, NotChecked=0, Total=10100 [2024-09-12 18:01:59,156 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 6197 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 5209 mSolverCounterSat, 766 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6197 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 5975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 766 IncrementalHoareTripleChecker+Valid, 5209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-09-12 18:01:59,157 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [6197 Valid, 836 Invalid, 5975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [766 Valid, 5209 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-09-12 18:01:59,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2229 states. [2024-09-12 18:01:59,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2229 to 2229. [2024-09-12 18:01:59,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2229 states, 2183 states have (on average 1.1365093907466788) internal successors, (2481), 2225 states have internal predecessors, (2481), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:59,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 2229 states and 2484 transitions. [2024-09-12 18:01:59,337 INFO L78 Accepts]: Start accepts. Automaton has 2229 states and 2484 transitions. Word has length 302 [2024-09-12 18:01:59,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:01:59,338 INFO L474 AbstractCegarLoop]: Abstraction has 2229 states and 2484 transitions. [2024-09-12 18:01:59,338 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 51 states have (on average 5.862745098039215) internal successors, (299), 51 states have internal predecessors, (299), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:01:59,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:59,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 2484 transitions. [2024-09-12 18:01:59,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-09-12 18:01:59,342 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:01:59,342 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:01:59,342 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-09-12 18:01:59,343 INFO L399 AbstractCegarLoop]: === Iteration 53 === Targeting mainErr215ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:01:59,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:01:59,343 INFO L85 PathProgramCache]: Analyzing trace with hash 77581329, now seen corresponding path program 1 times [2024-09-12 18:01:59,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:01:59,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369957734] [2024-09-12 18:01:59,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:01:59,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:01:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:02:00,991 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:02:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:02:00,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:02:00,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:02:00,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369957734] [2024-09-12 18:02:00,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369957734] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:02:00,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:02:00,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [52] imperfect sequences [] total 52 [2024-09-12 18:02:00,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278921663] [2024-09-12 18:02:00,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:02:00,995 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-09-12 18:02:00,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:02:00,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-09-12 18:02:00,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1328, Invalid=1428, Unknown=0, NotChecked=0, Total=2756 [2024-09-12 18:02:00,997 INFO L87 Difference]: Start difference. First operand 2229 states and 2484 transitions. Second operand has 53 states, 52 states have (on average 5.865384615384615) internal successors, (305), 52 states have internal predecessors, (305), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:02:06,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:02:06,494 INFO L93 Difference]: Finished difference Result 2265 states and 2524 transitions. [2024-09-12 18:02:06,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-09-12 18:02:06,494 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 5.865384615384615) internal successors, (305), 52 states have internal predecessors, (305), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 308 [2024-09-12 18:02:06,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:02:06,499 INFO L225 Difference]: With dead ends: 2265 [2024-09-12 18:02:06,499 INFO L226 Difference]: Without dead ends: 2259 [2024-09-12 18:02:06,501 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1274 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=3978, Invalid=6528, Unknown=0, NotChecked=0, Total=10506 [2024-09-12 18:02:06,501 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 7796 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 4657 mSolverCounterSat, 985 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7796 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 5642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 985 IncrementalHoareTripleChecker+Valid, 4657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-09-12 18:02:06,501 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [7796 Valid, 830 Invalid, 5642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [985 Valid, 4657 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-09-12 18:02:06,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2259 states. [2024-09-12 18:02:06,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2259 to 2259. [2024-09-12 18:02:06,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2259 states, 2215 states have (on average 1.1354401805869074) internal successors, (2515), 2255 states have internal predecessors, (2515), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:02:06,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 2259 states and 2518 transitions. [2024-09-12 18:02:06,643 INFO L78 Accepts]: Start accepts. Automaton has 2259 states and 2518 transitions. Word has length 308 [2024-09-12 18:02:06,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:02:06,643 INFO L474 AbstractCegarLoop]: Abstraction has 2259 states and 2518 transitions. [2024-09-12 18:02:06,643 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 5.865384615384615) internal successors, (305), 52 states have internal predecessors, (305), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:02:06,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:02:06,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2518 transitions. [2024-09-12 18:02:06,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-09-12 18:02:06,646 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:02:06,646 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:02:06,646 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-09-12 18:02:06,646 INFO L399 AbstractCegarLoop]: === Iteration 54 === Targeting mainErr219ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:02:06,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:02:06,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1998244952, now seen corresponding path program 1 times [2024-09-12 18:02:06,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:02:06,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376583538] [2024-09-12 18:02:06,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:02:06,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:02:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:02:08,308 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:02:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:02:08,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:02:08,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:02:08,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376583538] [2024-09-12 18:02:08,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376583538] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:02:08,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:02:08,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2024-09-12 18:02:08,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751678357] [2024-09-12 18:02:08,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:02:08,312 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-09-12 18:02:08,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:02:08,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-09-12 18:02:08,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1380, Invalid=1482, Unknown=0, NotChecked=0, Total=2862 [2024-09-12 18:02:08,314 INFO L87 Difference]: Start difference. First operand 2259 states and 2518 transitions. Second operand has 54 states, 53 states have (on average 5.867924528301887) internal successors, (311), 53 states have internal predecessors, (311), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:02:13,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:02:13,727 INFO L93 Difference]: Finished difference Result 2295 states and 2558 transitions. [2024-09-12 18:02:13,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-09-12 18:02:13,727 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 53 states have (on average 5.867924528301887) internal successors, (311), 53 states have internal predecessors, (311), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 314 [2024-09-12 18:02:13,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:02:13,731 INFO L225 Difference]: With dead ends: 2295 [2024-09-12 18:02:13,731 INFO L226 Difference]: Without dead ends: 2289 [2024-09-12 18:02:13,732 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1325 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=4134, Invalid=6786, Unknown=0, NotChecked=0, Total=10920 [2024-09-12 18:02:13,733 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 7168 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 4444 mSolverCounterSat, 903 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7168 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 5347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 903 IncrementalHoareTripleChecker+Valid, 4444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-09-12 18:02:13,733 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [7168 Valid, 794 Invalid, 5347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [903 Valid, 4444 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-09-12 18:02:13,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2024-09-12 18:02:13,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 2289. [2024-09-12 18:02:13,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2289 states, 2247 states have (on average 1.1344014241210503) internal successors, (2549), 2285 states have internal predecessors, (2549), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:02:13,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 2552 transitions. [2024-09-12 18:02:13,852 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 2552 transitions. Word has length 314 [2024-09-12 18:02:13,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:02:13,852 INFO L474 AbstractCegarLoop]: Abstraction has 2289 states and 2552 transitions. [2024-09-12 18:02:13,852 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 53 states have (on average 5.867924528301887) internal successors, (311), 53 states have internal predecessors, (311), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:02:13,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:02:13,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 2552 transitions. [2024-09-12 18:02:13,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-09-12 18:02:13,856 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:02:13,857 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:02:13,857 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-09-12 18:02:13,857 INFO L399 AbstractCegarLoop]: === Iteration 55 === Targeting mainErr221ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:02:13,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:02:13,857 INFO L85 PathProgramCache]: Analyzing trace with hash 372657713, now seen corresponding path program 1 times [2024-09-12 18:02:13,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:02:13,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094074539] [2024-09-12 18:02:13,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:02:13,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:02:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:02:15,546 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:02:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:02:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:02:15,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:02:15,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094074539] [2024-09-12 18:02:15,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094074539] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:02:15,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:02:15,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [54] imperfect sequences [] total 54 [2024-09-12 18:02:15,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522557060] [2024-09-12 18:02:15,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:02:15,550 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-09-12 18:02:15,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:02:15,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-09-12 18:02:15,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1433, Invalid=1537, Unknown=0, NotChecked=0, Total=2970 [2024-09-12 18:02:15,551 INFO L87 Difference]: Start difference. First operand 2289 states and 2552 transitions. Second operand has 55 states, 54 states have (on average 5.87037037037037) internal successors, (317), 54 states have internal predecessors, (317), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:02:21,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:02:21,423 INFO L93 Difference]: Finished difference Result 2325 states and 2592 transitions. [2024-09-12 18:02:21,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-09-12 18:02:21,424 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 5.87037037037037) internal successors, (317), 54 states have internal predecessors, (317), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 320 [2024-09-12 18:02:21,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:02:21,428 INFO L225 Difference]: With dead ends: 2325 [2024-09-12 18:02:21,428 INFO L226 Difference]: Without dead ends: 2319 [2024-09-12 18:02:21,429 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1377 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=4293, Invalid=7049, Unknown=0, NotChecked=0, Total=11342 [2024-09-12 18:02:21,429 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 5875 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 5580 mSolverCounterSat, 719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5875 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 6299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 719 IncrementalHoareTripleChecker+Valid, 5580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-09-12 18:02:21,429 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [5875 Valid, 944 Invalid, 6299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [719 Valid, 5580 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-09-12 18:02:21,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2024-09-12 18:02:21,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2319. [2024-09-12 18:02:21,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2319 states, 2279 states have (on average 1.1333918385256692) internal successors, (2583), 2315 states have internal predecessors, (2583), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:02:21,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 2319 states and 2586 transitions. [2024-09-12 18:02:21,569 INFO L78 Accepts]: Start accepts. Automaton has 2319 states and 2586 transitions. Word has length 320 [2024-09-12 18:02:21,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:02:21,570 INFO L474 AbstractCegarLoop]: Abstraction has 2319 states and 2586 transitions. [2024-09-12 18:02:21,570 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 5.87037037037037) internal successors, (317), 54 states have internal predecessors, (317), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:02:21,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:02:21,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 2586 transitions. [2024-09-12 18:02:21,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-09-12 18:02:21,573 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:02:21,573 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:02:21,573 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-09-12 18:02:21,573 INFO L399 AbstractCegarLoop]: === Iteration 56 === Targeting mainErr227ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:02:21,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:02:21,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1074982570, now seen corresponding path program 1 times [2024-09-12 18:02:21,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:02:21,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686019804] [2024-09-12 18:02:21,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:02:21,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:02:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:02:23,327 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:02:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:02:23,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:02:23,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:02:23,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686019804] [2024-09-12 18:02:23,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686019804] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:02:23,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:02:23,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [] total 55 [2024-09-12 18:02:23,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813081051] [2024-09-12 18:02:23,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:02:23,330 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-09-12 18:02:23,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:02:23,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-09-12 18:02:23,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1487, Invalid=1593, Unknown=0, NotChecked=0, Total=3080 [2024-09-12 18:02:23,332 INFO L87 Difference]: Start difference. First operand 2319 states and 2586 transitions. Second operand has 56 states, 55 states have (on average 5.872727272727273) internal successors, (323), 55 states have internal predecessors, (323), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:02:29,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:02:29,446 INFO L93 Difference]: Finished difference Result 2355 states and 2626 transitions. [2024-09-12 18:02:29,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-09-12 18:02:29,446 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 55 states have (on average 5.872727272727273) internal successors, (323), 55 states have internal predecessors, (323), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 326 [2024-09-12 18:02:29,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:02:29,450 INFO L225 Difference]: With dead ends: 2355 [2024-09-12 18:02:29,450 INFO L226 Difference]: Without dead ends: 2349 [2024-09-12 18:02:29,451 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1430 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=4455, Invalid=7317, Unknown=0, NotChecked=0, Total=11772 [2024-09-12 18:02:29,451 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 8374 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 4748 mSolverCounterSat, 1074 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8374 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 5822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1074 IncrementalHoareTripleChecker+Valid, 4748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-09-12 18:02:29,452 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [8374 Valid, 818 Invalid, 5822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1074 Valid, 4748 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-09-12 18:02:29,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2349 states. [2024-09-12 18:02:29,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2349 to 2349. [2024-09-12 18:02:29,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2349 states, 2311 states have (on average 1.1324102120294246) internal successors, (2617), 2345 states have internal predecessors, (2617), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:02:29,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 2620 transitions. [2024-09-12 18:02:29,571 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 2620 transitions. Word has length 326 [2024-09-12 18:02:29,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:02:29,571 INFO L474 AbstractCegarLoop]: Abstraction has 2349 states and 2620 transitions. [2024-09-12 18:02:29,571 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 55 states have (on average 5.872727272727273) internal successors, (323), 55 states have internal predecessors, (323), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 18:02:29,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:02:29,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 2620 transitions. [2024-09-12 18:02:29,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-09-12 18:02:29,574 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:02:29,575 INFO L216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:02:29,575 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-09-12 18:02:29,575 INFO L399 AbstractCegarLoop]: === Iteration 57 === Targeting mainErr231ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 273 more)] === [2024-09-12 18:02:29,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:02:29,575 INFO L85 PathProgramCache]: Analyzing trace with hash -632010899, now seen corresponding path program 1 times [2024-09-12 18:02:29,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:02:29,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500710879] [2024-09-12 18:02:29,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:02:29,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:02:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:02:31,425 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:02:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:02:31,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:02:31,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:02:31,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500710879] [2024-09-12 18:02:31,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500710879] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:02:31,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:02:31,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [] total 56 [2024-09-12 18:02:31,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449182716] [2024-09-12 18:02:31,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:02:31,430 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-09-12 18:02:31,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:02:31,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-09-12 18:02:31,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1542, Invalid=1650, Unknown=0, NotChecked=0, Total=3192 [2024-09-12 18:02:31,431 INFO L87 Difference]: Start difference. First operand 2349 states and 2620 transitions. Second operand has 57 states, 56 states have (on average 5.875) internal successors, (329), 56 states have internal predecessors, (329), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)