./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-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+lhb-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 39feee77bf576ea852c42114836a4ed3182237f56346991038306ebcfd74e257 --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 17:58:00,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 17:58:00,446 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-12 17:58:00,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 17:58:00,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 17:58:00,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 17:58:00,476 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 17:58:00,476 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 17:58:00,476 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 17:58:00,477 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 17:58:00,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 17:58:00,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 17:58:00,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 17:58:00,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 17:58:00,479 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 17:58:00,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 17:58:00,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 17:58:00,480 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 17:58:00,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 17:58:00,481 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 17:58:00,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 17:58:00,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 17:58:00,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 17:58:00,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 17:58:00,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 17:58:00,483 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 17:58:00,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 17:58:00,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 17:58:00,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 17:58:00,484 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 17:58:00,484 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 17:58:00,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 17:58:00,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 17:58:00,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 17:58:00,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 17:58:00,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 17:58:00,485 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 17:58:00,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 17:58:00,486 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 17:58:00,486 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 17:58:00,486 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 17:58:00,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 17:58:00,489 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39feee77bf576ea852c42114836a4ed3182237f56346991038306ebcfd74e257 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 17:58:00,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 17:58:00,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 17:58:00,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 17:58:00,755 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 17:58:00,755 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 17:58:00,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c [2024-09-12 17:58:01,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 17:58:02,207 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 17:58:02,207 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c [2024-09-12 17:58:02,216 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/4add85817/b21b031b1da64763aae67526e01c0423/FLAG2670da510 [2024-09-12 17:58:02,226 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/4add85817/b21b031b1da64763aae67526e01c0423 [2024-09-12 17:58:02,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 17:58:02,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-12 17:58:02,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 17:58:02,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 17:58:02,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 17:58:02,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 05:58:02" (1/1) ... [2024-09-12 17:58:02,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf906a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:02, skipping insertion in model container [2024-09-12 17:58:02,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 05:58:02" (1/1) ... [2024-09-12 17:58:02,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 17:58:02,395 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+lhb-reducer.c[919,932] [2024-09-12 17:58:02,400 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+lhb-reducer.c[1134,1147] [2024-09-12 17:58:02,405 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+lhb-reducer.c[2208,2221] [2024-09-12 17:58:02,407 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+lhb-reducer.c[2423,2436] [2024-09-12 17:58:02,409 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+lhb-reducer.c[2918,2931] [2024-09-12 17:58:02,411 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+lhb-reducer.c[3133,3146] [2024-09-12 17:58:02,413 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+lhb-reducer.c[3435,3448] [2024-09-12 17:58:02,415 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+lhb-reducer.c[3653,3666] [2024-09-12 17:58:02,420 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+lhb-reducer.c[3929,3942] [2024-09-12 17:58:02,420 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+lhb-reducer.c[4147,4160] [2024-09-12 17:58:02,422 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+lhb-reducer.c[4717,4730] [2024-09-12 17:58:02,423 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+lhb-reducer.c[4935,4948] [2024-09-12 17:58:02,470 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+lhb-reducer.c[15828,15841] [2024-09-12 17:58:02,472 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+lhb-reducer.c[16046,16059] [2024-09-12 17:58:02,473 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+lhb-reducer.c[16441,16454] [2024-09-12 17:58:02,474 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+lhb-reducer.c[16659,16672] [2024-09-12 17:58:02,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 17:58:02,485 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 17:58:02,496 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+lhb-reducer.c[919,932] [2024-09-12 17:58:02,498 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+lhb-reducer.c[1134,1147] [2024-09-12 17:58:02,501 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+lhb-reducer.c[2208,2221] [2024-09-12 17:58:02,503 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+lhb-reducer.c[2423,2436] [2024-09-12 17:58:02,504 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+lhb-reducer.c[2918,2931] [2024-09-12 17:58:02,508 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+lhb-reducer.c[3133,3146] [2024-09-12 17:58:02,509 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+lhb-reducer.c[3435,3448] [2024-09-12 17:58:02,510 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+lhb-reducer.c[3653,3666] [2024-09-12 17:58:02,511 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+lhb-reducer.c[3929,3942] [2024-09-12 17:58:02,511 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+lhb-reducer.c[4147,4160] [2024-09-12 17:58:02,514 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+lhb-reducer.c[4717,4730] [2024-09-12 17:58:02,515 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+lhb-reducer.c[4935,4948] [2024-09-12 17:58:02,545 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+lhb-reducer.c[15828,15841] [2024-09-12 17:58:02,550 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+lhb-reducer.c[16046,16059] [2024-09-12 17:58:02,556 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+lhb-reducer.c[16441,16454] [2024-09-12 17:58:02,557 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+lhb-reducer.c[16659,16672] [2024-09-12 17:58:02,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 17:58:02,599 INFO L204 MainTranslator]: Completed translation [2024-09-12 17:58:02,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:02 WrapperNode [2024-09-12 17:58:02,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 17:58:02,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-12 17:58:02,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-12 17:58:02,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-12 17:58:02,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:02" (1/1) ... [2024-09-12 17:58:02,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:02" (1/1) ... [2024-09-12 17:58:02,648 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-12 17:58:02,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-12 17:58:02,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 17:58:02,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 17:58:02,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 17:58:02,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:02" (1/1) ... [2024-09-12 17:58:02,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:02" (1/1) ... [2024-09-12 17:58:02,669 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:02" (1/1) ... [2024-09-12 17:58:02,681 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 17:58:02,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:02" (1/1) ... [2024-09-12 17:58:02,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:02" (1/1) ... [2024-09-12 17:58:02,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:02" (1/1) ... [2024-09-12 17:58:02,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:02" (1/1) ... [2024-09-12 17:58:02,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:02" (1/1) ... [2024-09-12 17:58:02,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:02" (1/1) ... [2024-09-12 17:58:02,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 17:58:02,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 17:58:02,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 17:58:02,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 17:58:02,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:02" (1/1) ... [2024-09-12 17:58:02,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 17:58:02,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:58:02,754 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 17:58:02,759 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 17:58:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 17:58:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 17:58:02,790 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 17:58:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-12 17:58:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 17:58:02,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 17:58:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 17:58:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 17:58:02,864 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 17:58:02,865 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 17:58:03,252 INFO L? ?]: Removed 264 outVars from TransFormulas that were not future-live. [2024-09-12 17:58:03,252 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 17:58:03,286 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 17:58:03,286 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 17:58:03,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 05:58:03 BoogieIcfgContainer [2024-09-12 17:58:03,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 17:58:03,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-12 17:58:03,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-12 17:58:03,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-12 17:58:03,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.09 05:58:02" (1/3) ... [2024-09-12 17:58:03,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3a31d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 05:58:03, skipping insertion in model container [2024-09-12 17:58:03,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:58:02" (2/3) ... [2024-09-12 17:58:03,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3a31d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 05:58:03, skipping insertion in model container [2024-09-12 17:58:03,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 05:58:03" (3/3) ... [2024-09-12 17:58:03,296 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+lhb-reducer.c [2024-09-12 17:58:03,308 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-12 17:58:03,309 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2024-09-12 17:58:03,368 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-12 17:58:03,374 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;@24d8605f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-12 17:58:03,374 INFO L337 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2024-09-12 17:58:03,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 216 states, 149 states have (on average 1.9395973154362416) internal successors, (289), 211 states have internal predecessors, (289), 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 17:58:03,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-09-12 17:58:03,386 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:03,387 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:58:03,387 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:03,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:03,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1239053408, now seen corresponding path program 1 times [2024-09-12 17:58:03,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:03,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533309173] [2024-09-12 17:58:03,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:03,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:03,576 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:03,593 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 17:58:03,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:03,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533309173] [2024-09-12 17:58:03,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533309173] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:03,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:03,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 17:58:03,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531742541] [2024-09-12 17:58:03,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:03,602 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 17:58:03,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:03,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 17:58:03,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:58:03,623 INFO L87 Difference]: Start difference. First operand has 216 states, 149 states have (on average 1.9395973154362416) internal successors, (289), 211 states have internal predecessors, (289), 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 17:58:04,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:04,082 INFO L93 Difference]: Finished difference Result 230 states and 308 transitions. [2024-09-12 17:58:04,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 17:58:04,085 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 17:58:04,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:04,094 INFO L225 Difference]: With dead ends: 230 [2024-09-12 17:58:04,094 INFO L226 Difference]: Without dead ends: 217 [2024-09-12 17:58:04,096 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-12 17:58:04,100 INFO L434 NwaCegarLoop]: 82 mSDtfsCounter, 185 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:04,101 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 153 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 17:58:04,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-09-12 17:58:04,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 210. [2024-09-12 17:58:04,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 146 states have (on average 1.5616438356164384) internal successors, (228), 206 states have internal predecessors, (228), 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 17:58:04,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 231 transitions. [2024-09-12 17:58:04,168 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 231 transitions. Word has length 7 [2024-09-12 17:58:04,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:04,169 INFO L474 AbstractCegarLoop]: Abstraction has 210 states and 231 transitions. [2024-09-12 17:58:04,169 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 17:58:04,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:04,171 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 231 transitions. [2024-09-12 17:58:04,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-09-12 17:58:04,171 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:04,171 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:58:04,171 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-12 17:58:04,172 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:04,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:04,173 INFO L85 PathProgramCache]: Analyzing trace with hash 244050058, now seen corresponding path program 1 times [2024-09-12 17:58:04,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:04,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114465147] [2024-09-12 17:58:04,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:04,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:04,240 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:04,249 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 17:58:04,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:04,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114465147] [2024-09-12 17:58:04,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114465147] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:04,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:04,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 17:58:04,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211119552] [2024-09-12 17:58:04,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:04,253 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 17:58:04,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:04,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 17:58:04,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:58:04,254 INFO L87 Difference]: Start difference. First operand 210 states and 231 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 17:58:04,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:04,553 INFO L93 Difference]: Finished difference Result 217 states and 237 transitions. [2024-09-12 17:58:04,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 17:58:04,554 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 17:58:04,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:04,556 INFO L225 Difference]: With dead ends: 217 [2024-09-12 17:58:04,556 INFO L226 Difference]: Without dead ends: 216 [2024-09-12 17:58:04,556 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-12 17:58:04,557 INFO L434 NwaCegarLoop]: 62 mSDtfsCounter, 357 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:04,558 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 72 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:58:04,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-09-12 17:58:04,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 209. [2024-09-12 17:58:04,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 146 states have (on average 1.5547945205479452) internal successors, (227), 205 states have internal predecessors, (227), 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 17:58:04,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 230 transitions. [2024-09-12 17:58:04,589 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 230 transitions. Word has length 8 [2024-09-12 17:58:04,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:04,590 INFO L474 AbstractCegarLoop]: Abstraction has 209 states and 230 transitions. [2024-09-12 17:58:04,590 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 17:58:04,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:04,590 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 230 transitions. [2024-09-12 17:58:04,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-09-12 17:58:04,591 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:04,591 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:58:04,591 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-12 17:58:04,591 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr2ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:04,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:04,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1643790610, now seen corresponding path program 1 times [2024-09-12 17:58:04,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:04,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556313610] [2024-09-12 17:58:04,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:04,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:04,697 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:04,702 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 17:58:04,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:04,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556313610] [2024-09-12 17:58:04,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556313610] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:04,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:04,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 17:58:04,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466910017] [2024-09-12 17:58:04,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:04,704 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 17:58:04,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:04,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 17:58:04,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 17:58:04,705 INFO L87 Difference]: Start difference. First operand 209 states and 230 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 17:58:05,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:05,026 INFO L93 Difference]: Finished difference Result 214 states and 235 transitions. [2024-09-12 17:58:05,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 17:58:05,026 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 17:58:05,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:05,027 INFO L225 Difference]: With dead ends: 214 [2024-09-12 17:58:05,027 INFO L226 Difference]: Without dead ends: 190 [2024-09-12 17:58:05,028 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:58:05,028 INFO L434 NwaCegarLoop]: 37 mSDtfsCounter, 266 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:05,029 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 84 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:58:05,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-09-12 17:58:05,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 185. [2024-09-12 17:58:05,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 145 states have (on average 1.4) internal successors, (203), 181 states have internal predecessors, (203), 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 17:58:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 206 transitions. [2024-09-12 17:58:05,076 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 206 transitions. Word has length 12 [2024-09-12 17:58:05,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:05,076 INFO L474 AbstractCegarLoop]: Abstraction has 185 states and 206 transitions. [2024-09-12 17:58:05,076 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 17:58:05,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:05,076 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 206 transitions. [2024-09-12 17:58:05,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-09-12 17:58:05,077 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:05,077 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:58:05,077 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-12 17:58:05,077 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr3ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:05,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:05,078 INFO L85 PathProgramCache]: Analyzing trace with hash 582101707, now seen corresponding path program 1 times [2024-09-12 17:58:05,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:05,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574313190] [2024-09-12 17:58:05,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:05,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:05,219 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:05,233 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 17:58:05,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:05,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574313190] [2024-09-12 17:58:05,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574313190] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:05,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:05,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-12 17:58:05,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523181512] [2024-09-12 17:58:05,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:05,234 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 17:58:05,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:05,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 17:58:05,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-09-12 17:58:05,235 INFO L87 Difference]: Start difference. First operand 185 states and 206 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 17:58:05,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:05,680 INFO L93 Difference]: Finished difference Result 190 states and 211 transitions. [2024-09-12 17:58:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-12 17:58:05,681 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 17:58:05,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:05,682 INFO L225 Difference]: With dead ends: 190 [2024-09-12 17:58:05,682 INFO L226 Difference]: Without dead ends: 178 [2024-09-12 17:58:05,682 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-09-12 17:58:05,683 INFO L434 NwaCegarLoop]: 69 mSDtfsCounter, 139 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:05,683 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 242 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 17:58:05,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-09-12 17:58:05,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2024-09-12 17:58:05,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 141 states have (on average 1.326241134751773) internal successors, (187), 174 states have internal predecessors, (187), 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 17:58:05,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 190 transitions. [2024-09-12 17:58:05,718 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 190 transitions. Word has length 13 [2024-09-12 17:58:05,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:05,719 INFO L474 AbstractCegarLoop]: Abstraction has 178 states and 190 transitions. [2024-09-12 17:58:05,719 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 17:58:05,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:05,719 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 190 transitions. [2024-09-12 17:58:05,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-09-12 17:58:05,720 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:05,720 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:58:05,724 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-12 17:58:05,724 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr6ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:05,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:05,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1963882856, now seen corresponding path program 1 times [2024-09-12 17:58:05,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:05,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933203617] [2024-09-12 17:58:05,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:05,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:05,792 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:05,796 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 17:58:05,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:05,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933203617] [2024-09-12 17:58:05,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933203617] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:05,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:05,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-12 17:58:05,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80325299] [2024-09-12 17:58:05,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:05,797 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 17:58:05,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:05,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 17:58:05,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:58:05,798 INFO L87 Difference]: Start difference. First operand 178 states and 190 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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 17:58:06,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:06,099 INFO L93 Difference]: Finished difference Result 178 states and 190 transitions. [2024-09-12 17:58:06,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 17:58:06,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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 18 [2024-09-12 17:58:06,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:06,100 INFO L225 Difference]: With dead ends: 178 [2024-09-12 17:58:06,100 INFO L226 Difference]: Without dead ends: 176 [2024-09-12 17:58:06,101 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-09-12 17:58:06,101 INFO L434 NwaCegarLoop]: 35 mSDtfsCounter, 232 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:06,102 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 115 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:58:06,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-09-12 17:58:06,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-09-12 17:58:06,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 140 states have (on average 1.3214285714285714) internal successors, (185), 172 states have internal predecessors, (185), 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 17:58:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 188 transitions. [2024-09-12 17:58:06,129 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 188 transitions. Word has length 18 [2024-09-12 17:58:06,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:06,129 INFO L474 AbstractCegarLoop]: Abstraction has 176 states and 188 transitions. [2024-09-12 17:58:06,129 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 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 17:58:06,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:06,129 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 188 transitions. [2024-09-12 17:58:06,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-09-12 17:58:06,130 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:06,130 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:58:06,130 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-12 17:58:06,130 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr7ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:06,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:06,131 INFO L85 PathProgramCache]: Analyzing trace with hash -750823292, now seen corresponding path program 1 times [2024-09-12 17:58:06,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:06,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812314401] [2024-09-12 17:58:06,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:06,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:06,174 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:06,177 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 17:58:06,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:06,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812314401] [2024-09-12 17:58:06,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812314401] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:06,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:06,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 17:58:06,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782058883] [2024-09-12 17:58:06,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:06,178 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 17:58:06,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:06,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 17:58:06,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 17:58:06,179 INFO L87 Difference]: Start difference. First operand 176 states and 188 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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 17:58:06,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:06,436 INFO L93 Difference]: Finished difference Result 176 states and 188 transitions. [2024-09-12 17:58:06,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-12 17:58:06,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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 19 [2024-09-12 17:58:06,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:06,437 INFO L225 Difference]: With dead ends: 176 [2024-09-12 17:58:06,437 INFO L226 Difference]: Without dead ends: 172 [2024-09-12 17:58:06,438 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:58:06,438 INFO L434 NwaCegarLoop]: 64 mSDtfsCounter, 112 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:06,438 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 160 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:58:06,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-09-12 17:58:06,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-09-12 17:58:06,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 137 states have (on average 1.3211678832116789) internal successors, (181), 168 states have internal predecessors, (181), 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 17:58:06,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 184 transitions. [2024-09-12 17:58:06,455 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 184 transitions. Word has length 19 [2024-09-12 17:58:06,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:06,455 INFO L474 AbstractCegarLoop]: Abstraction has 172 states and 184 transitions. [2024-09-12 17:58:06,455 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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 17:58:06,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:06,456 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 184 transitions. [2024-09-12 17:58:06,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-09-12 17:58:06,456 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:06,456 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 17:58:06,456 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-12 17:58:06,456 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:06,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:06,457 INFO L85 PathProgramCache]: Analyzing trace with hash 496957561, now seen corresponding path program 1 times [2024-09-12 17:58:06,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:06,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31349117] [2024-09-12 17:58:06,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:06,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:06,489 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:06,491 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 17:58:06,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:06,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31349117] [2024-09-12 17:58:06,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31349117] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:06,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:06,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 17:58:06,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949977542] [2024-09-12 17:58:06,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:06,492 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 17:58:06,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:06,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 17:58:06,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-12 17:58:06,493 INFO L87 Difference]: Start difference. First operand 172 states and 184 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 17:58:06,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:06,761 INFO L93 Difference]: Finished difference Result 199 states and 214 transitions. [2024-09-12 17:58:06,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-12 17:58:06,762 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 17:58:06,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:06,763 INFO L225 Difference]: With dead ends: 199 [2024-09-12 17:58:06,763 INFO L226 Difference]: Without dead ends: 195 [2024-09-12 17:58:06,763 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-09-12 17:58:06,763 INFO L434 NwaCegarLoop]: 51 mSDtfsCounter, 144 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:06,764 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 100 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:58:06,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-09-12 17:58:06,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 184. [2024-09-12 17:58:06,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 151 states have (on average 1.3245033112582782) internal successors, (200), 180 states have internal predecessors, (200), 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 17:58:06,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 203 transitions. [2024-09-12 17:58:06,780 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 203 transitions. Word has length 20 [2024-09-12 17:58:06,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:06,781 INFO L474 AbstractCegarLoop]: Abstraction has 184 states and 203 transitions. [2024-09-12 17:58:06,781 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 17:58:06,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:06,781 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 203 transitions. [2024-09-12 17:58:06,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-09-12 17:58:06,783 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:06,783 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 17:58:06,783 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-12 17:58:06,783 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr8ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:06,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:06,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1787417527, now seen corresponding path program 1 times [2024-09-12 17:58:06,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:06,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041022438] [2024-09-12 17:58:06,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:06,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:06,844 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:06,847 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 17:58:06,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:06,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041022438] [2024-09-12 17:58:06,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041022438] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:06,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:06,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-12 17:58:06,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535752076] [2024-09-12 17:58:06,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:06,848 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 17:58:06,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:06,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 17:58:06,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:58:06,850 INFO L87 Difference]: Start difference. First operand 184 states and 203 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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 17:58:07,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:07,175 INFO L93 Difference]: Finished difference Result 184 states and 203 transitions. [2024-09-12 17:58:07,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 17:58:07,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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 17:58:07,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:07,177 INFO L225 Difference]: With dead ends: 184 [2024-09-12 17:58:07,177 INFO L226 Difference]: Without dead ends: 182 [2024-09-12 17:58:07,177 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-09-12 17:58:07,178 INFO L434 NwaCegarLoop]: 31 mSDtfsCounter, 225 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:07,178 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 101 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:58:07,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-09-12 17:58:07,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-09-12 17:58:07,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 150 states have (on average 1.3133333333333332) internal successors, (197), 178 states have internal predecessors, (197), 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 17:58:07,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 200 transitions. [2024-09-12 17:58:07,192 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 200 transitions. Word has length 20 [2024-09-12 17:58:07,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:07,193 INFO L474 AbstractCegarLoop]: Abstraction has 182 states and 200 transitions. [2024-09-12 17:58:07,193 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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 17:58:07,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:07,193 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 200 transitions. [2024-09-12 17:58:07,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-09-12 17:58:07,194 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:07,194 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 17:58:07,194 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-12 17:58:07,194 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr18ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:07,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:07,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1785632055, now seen corresponding path program 1 times [2024-09-12 17:58:07,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:07,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164108204] [2024-09-12 17:58:07,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:07,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:07,238 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:07,240 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 17:58:07,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:07,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164108204] [2024-09-12 17:58:07,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164108204] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:07,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:07,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-12 17:58:07,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101394639] [2024-09-12 17:58:07,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:07,241 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 17:58:07,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:07,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 17:58:07,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:58:07,241 INFO L87 Difference]: Start difference. First operand 182 states and 200 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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 17:58:07,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:07,519 INFO L93 Difference]: Finished difference Result 182 states and 200 transitions. [2024-09-12 17:58:07,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 17:58:07,519 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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 17:58:07,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:07,520 INFO L225 Difference]: With dead ends: 182 [2024-09-12 17:58:07,520 INFO L226 Difference]: Without dead ends: 180 [2024-09-12 17:58:07,520 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-09-12 17:58:07,521 INFO L434 NwaCegarLoop]: 29 mSDtfsCounter, 223 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:07,521 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 95 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:58:07,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-09-12 17:58:07,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-09-12 17:58:07,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 149 states have (on average 1.308724832214765) internal successors, (195), 176 states have internal predecessors, (195), 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 17:58:07,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 198 transitions. [2024-09-12 17:58:07,548 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 198 transitions. Word has length 20 [2024-09-12 17:58:07,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:07,548 INFO L474 AbstractCegarLoop]: Abstraction has 180 states and 198 transitions. [2024-09-12 17:58:07,548 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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 17:58:07,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:07,548 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 198 transitions. [2024-09-12 17:58:07,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-09-12 17:58:07,549 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:07,549 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] [2024-09-12 17:58:07,549 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-12 17:58:07,549 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr9ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:07,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:07,549 INFO L85 PathProgramCache]: Analyzing trace with hash 424634631, now seen corresponding path program 1 times [2024-09-12 17:58:07,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:07,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677890342] [2024-09-12 17:58:07,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:07,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:07,629 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:07,632 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 17:58:07,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:07,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677890342] [2024-09-12 17:58:07,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677890342] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:07,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:07,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-12 17:58:07,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214530447] [2024-09-12 17:58:07,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:07,632 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 17:58:07,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:07,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 17:58:07,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-09-12 17:58:07,633 INFO L87 Difference]: Start difference. First operand 180 states and 198 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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 17:58:07,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:07,999 INFO L93 Difference]: Finished difference Result 187 states and 202 transitions. [2024-09-12 17:58:07,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-12 17:58:07,999 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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 21 [2024-09-12 17:58:07,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:08,000 INFO L225 Difference]: With dead ends: 187 [2024-09-12 17:58:08,000 INFO L226 Difference]: Without dead ends: 185 [2024-09-12 17:58:08,001 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-09-12 17:58:08,001 INFO L434 NwaCegarLoop]: 47 mSDtfsCounter, 135 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:08,001 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 181 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:58:08,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-09-12 17:58:08,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 180. [2024-09-12 17:58:08,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 149 states have (on average 1.3020134228187918) internal successors, (194), 176 states have internal predecessors, (194), 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 17:58:08,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 197 transitions. [2024-09-12 17:58:08,029 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 197 transitions. Word has length 21 [2024-09-12 17:58:08,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:08,030 INFO L474 AbstractCegarLoop]: Abstraction has 180 states and 197 transitions. [2024-09-12 17:58:08,030 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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 17:58:08,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:08,030 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 197 transitions. [2024-09-12 17:58:08,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-09-12 17:58:08,031 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:08,031 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] [2024-09-12 17:58:08,031 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-12 17:58:08,031 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr14ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:08,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:08,031 INFO L85 PathProgramCache]: Analyzing trace with hash 426242351, now seen corresponding path program 1 times [2024-09-12 17:58:08,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:08,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253821430] [2024-09-12 17:58:08,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:08,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:08,072 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:08,075 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 17:58:08,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:08,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253821430] [2024-09-12 17:58:08,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253821430] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:08,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:08,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-12 17:58:08,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720926714] [2024-09-12 17:58:08,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:08,075 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 17:58:08,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:08,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 17:58:08,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:58:08,076 INFO L87 Difference]: Start difference. First operand 180 states and 197 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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 17:58:08,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:08,353 INFO L93 Difference]: Finished difference Result 180 states and 197 transitions. [2024-09-12 17:58:08,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 17:58:08,353 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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 21 [2024-09-12 17:58:08,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:08,354 INFO L225 Difference]: With dead ends: 180 [2024-09-12 17:58:08,354 INFO L226 Difference]: Without dead ends: 178 [2024-09-12 17:58:08,354 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-09-12 17:58:08,355 INFO L434 NwaCegarLoop]: 27 mSDtfsCounter, 220 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:08,355 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 89 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:58:08,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-09-12 17:58:08,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2024-09-12 17:58:08,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 148 states have (on average 1.2905405405405406) internal successors, (191), 174 states have internal predecessors, (191), 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 17:58:08,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 194 transitions. [2024-09-12 17:58:08,367 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 194 transitions. Word has length 21 [2024-09-12 17:58:08,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:08,367 INFO L474 AbstractCegarLoop]: Abstraction has 178 states and 194 transitions. [2024-09-12 17:58:08,367 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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 17:58:08,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:08,367 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 194 transitions. [2024-09-12 17:58:08,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-09-12 17:58:08,368 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:08,368 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] [2024-09-12 17:58:08,368 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-12 17:58:08,368 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr19ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:08,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:08,368 INFO L85 PathProgramCache]: Analyzing trace with hash 479984321, now seen corresponding path program 1 times [2024-09-12 17:58:08,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:08,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602614510] [2024-09-12 17:58:08,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:08,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:08,487 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:08,489 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 17:58:08,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:08,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602614510] [2024-09-12 17:58:08,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602614510] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:08,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:08,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-12 17:58:08,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466428219] [2024-09-12 17:58:08,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:08,490 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 17:58:08,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:08,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 17:58:08,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-09-12 17:58:08,490 INFO L87 Difference]: Start difference. First operand 178 states and 194 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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 17:58:08,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:08,848 INFO L93 Difference]: Finished difference Result 184 states and 198 transitions. [2024-09-12 17:58:08,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-12 17:58:08,848 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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 21 [2024-09-12 17:58:08,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:08,849 INFO L225 Difference]: With dead ends: 184 [2024-09-12 17:58:08,849 INFO L226 Difference]: Without dead ends: 180 [2024-09-12 17:58:08,850 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-09-12 17:58:08,850 INFO L434 NwaCegarLoop]: 45 mSDtfsCounter, 133 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:08,850 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 171 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:58:08,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-09-12 17:58:08,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 178. [2024-09-12 17:58:08,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 148 states have (on average 1.2837837837837838) internal successors, (190), 174 states have internal predecessors, (190), 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 17:58:08,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 193 transitions. [2024-09-12 17:58:08,862 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 193 transitions. Word has length 21 [2024-09-12 17:58:08,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:08,863 INFO L474 AbstractCegarLoop]: Abstraction has 178 states and 193 transitions. [2024-09-12 17:58:08,863 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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 17:58:08,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:08,863 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 193 transitions. [2024-09-12 17:58:08,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-09-12 17:58:08,863 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:08,863 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] [2024-09-12 17:58:08,863 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-09-12 17:58:08,864 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting mainErr15ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:08,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:08,864 INFO L85 PathProgramCache]: Analyzing trace with hash 328614148, now seen corresponding path program 1 times [2024-09-12 17:58:08,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:08,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098397377] [2024-09-12 17:58:08,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:08,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:08,955 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:08,957 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 17:58:08,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:08,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098397377] [2024-09-12 17:58:08,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098397377] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:08,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:08,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-12 17:58:08,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99698563] [2024-09-12 17:58:08,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:08,958 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 17:58:08,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:08,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 17:58:08,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-09-12 17:58:08,959 INFO L87 Difference]: Start difference. First operand 178 states and 193 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 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 17:58:09,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:09,294 INFO L93 Difference]: Finished difference Result 180 states and 194 transitions. [2024-09-12 17:58:09,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-12 17:58:09,295 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 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 22 [2024-09-12 17:58:09,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:09,296 INFO L225 Difference]: With dead ends: 180 [2024-09-12 17:58:09,296 INFO L226 Difference]: Without dead ends: 178 [2024-09-12 17:58:09,296 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-09-12 17:58:09,296 INFO L434 NwaCegarLoop]: 47 mSDtfsCounter, 137 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:09,297 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 148 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:58:09,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-09-12 17:58:09,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2024-09-12 17:58:09,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 148 states have (on average 1.277027027027027) internal successors, (189), 174 states have internal predecessors, (189), 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 17:58:09,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 192 transitions. [2024-09-12 17:58:09,309 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 192 transitions. Word has length 22 [2024-09-12 17:58:09,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:09,309 INFO L474 AbstractCegarLoop]: Abstraction has 178 states and 192 transitions. [2024-09-12 17:58:09,309 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 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 17:58:09,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 192 transitions. [2024-09-12 17:58:09,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-09-12 17:58:09,310 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:09,310 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] [2024-09-12 17:58:09,310 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-12 17:58:09,310 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting mainErr12ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:09,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:09,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1487546516, now seen corresponding path program 1 times [2024-09-12 17:58:09,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:09,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882679696] [2024-09-12 17:58:09,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:09,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:09,353 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:09,355 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 17:58:09,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:09,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882679696] [2024-09-12 17:58:09,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882679696] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:09,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:09,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-12 17:58:09,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112311991] [2024-09-12 17:58:09,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:09,356 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 17:58:09,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:09,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 17:58:09,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:58:09,357 INFO L87 Difference]: Start difference. First operand 178 states and 192 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 17:58:09,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:09,619 INFO L93 Difference]: Finished difference Result 178 states and 192 transitions. [2024-09-12 17:58:09,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 17:58:09,619 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 25 [2024-09-12 17:58:09,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:09,620 INFO L225 Difference]: With dead ends: 178 [2024-09-12 17:58:09,620 INFO L226 Difference]: Without dead ends: 176 [2024-09-12 17:58:09,620 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-09-12 17:58:09,621 INFO L434 NwaCegarLoop]: 46 mSDtfsCounter, 253 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:09,621 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 146 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:58:09,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-09-12 17:58:09,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-09-12 17:58:09,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 147 states have (on average 1.272108843537415) internal successors, (187), 172 states have internal predecessors, (187), 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 17:58:09,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 190 transitions. [2024-09-12 17:58:09,633 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 190 transitions. Word has length 25 [2024-09-12 17:58:09,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:09,634 INFO L474 AbstractCegarLoop]: Abstraction has 176 states and 190 transitions. [2024-09-12 17:58:09,634 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 17:58:09,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:09,634 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 190 transitions. [2024-09-12 17:58:09,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-09-12 17:58:09,634 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:09,634 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 17:58:09,635 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-09-12 17:58:09,635 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:09,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:09,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1969880208, now seen corresponding path program 1 times [2024-09-12 17:58:09,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:09,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133349368] [2024-09-12 17:58:09,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:09,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:09,669 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:09,672 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 17:58:09,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:09,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133349368] [2024-09-12 17:58:09,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133349368] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:09,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:09,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 17:58:09,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045528530] [2024-09-12 17:58:09,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:09,672 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 17:58:09,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:09,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 17:58:09,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:58:09,673 INFO L87 Difference]: Start difference. First operand 176 states and 190 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 17:58:09,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:09,911 INFO L93 Difference]: Finished difference Result 199 states and 217 transitions. [2024-09-12 17:58:09,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-12 17:58:09,911 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 17:58:09,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:09,912 INFO L225 Difference]: With dead ends: 199 [2024-09-12 17:58:09,912 INFO L226 Difference]: Without dead ends: 195 [2024-09-12 17:58:09,913 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-09-12 17:58:09,913 INFO L434 NwaCegarLoop]: 40 mSDtfsCounter, 174 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:09,913 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 84 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:58:09,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-09-12 17:58:09,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 189. [2024-09-12 17:58:09,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 162 states have (on average 1.271604938271605) internal successors, (206), 185 states have internal predecessors, (206), 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 17:58:09,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 209 transitions. [2024-09-12 17:58:09,927 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 209 transitions. Word has length 26 [2024-09-12 17:58:09,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:09,927 INFO L474 AbstractCegarLoop]: Abstraction has 189 states and 209 transitions. [2024-09-12 17:58:09,927 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 17:58:09,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:09,927 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 209 transitions. [2024-09-12 17:58:09,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-09-12 17:58:09,927 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:09,927 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 17:58:09,927 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-09-12 17:58:09,928 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting mainErr13ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:09,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:09,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1130701399, now seen corresponding path program 1 times [2024-09-12 17:58:09,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:09,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236013255] [2024-09-12 17:58:09,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:09,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:09,963 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:09,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:09,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:09,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236013255] [2024-09-12 17:58:09,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236013255] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:09,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:09,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 17:58:09,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088313288] [2024-09-12 17:58:09,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:09,966 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 17:58:09,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:09,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 17:58:09,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 17:58:09,966 INFO L87 Difference]: Start difference. First operand 189 states and 209 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 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 17:58:10,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:10,212 INFO L93 Difference]: Finished difference Result 189 states and 209 transitions. [2024-09-12 17:58:10,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-12 17:58:10,212 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 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 17:58:10,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:10,213 INFO L225 Difference]: With dead ends: 189 [2024-09-12 17:58:10,213 INFO L226 Difference]: Without dead ends: 185 [2024-09-12 17:58:10,213 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-12 17:58:10,213 INFO L434 NwaCegarLoop]: 53 mSDtfsCounter, 106 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:10,214 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 130 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:58:10,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-09-12 17:58:10,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2024-09-12 17:58:10,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 159 states have (on average 1.2641509433962264) internal successors, (201), 181 states have internal predecessors, (201), 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 17:58:10,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 204 transitions. [2024-09-12 17:58:10,227 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 204 transitions. Word has length 26 [2024-09-12 17:58:10,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:10,227 INFO L474 AbstractCegarLoop]: Abstraction has 185 states and 204 transitions. [2024-09-12 17:58:10,227 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 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 17:58:10,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 204 transitions. [2024-09-12 17:58:10,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-09-12 17:58:10,228 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:10,228 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] [2024-09-12 17:58:10,228 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-09-12 17:58:10,228 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting mainErr9ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:10,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:10,228 INFO L85 PathProgramCache]: Analyzing trace with hash 2008896111, now seen corresponding path program 1 times [2024-09-12 17:58:10,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:10,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650876586] [2024-09-12 17:58:10,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:10,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:10,382 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:10,387 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 17:58:10,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:10,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650876586] [2024-09-12 17:58:10,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650876586] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:10,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:10,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-12 17:58:10,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612965802] [2024-09-12 17:58:10,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:10,388 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-12 17:58:10,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:10,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-12 17:58:10,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:58:10,389 INFO L87 Difference]: Start difference. First operand 185 states and 204 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 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 17:58:10,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:10,629 INFO L93 Difference]: Finished difference Result 185 states and 204 transitions. [2024-09-12 17:58:10,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-12 17:58:10,629 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 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 27 [2024-09-12 17:58:10,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:10,630 INFO L225 Difference]: With dead ends: 185 [2024-09-12 17:58:10,630 INFO L226 Difference]: Without dead ends: 183 [2024-09-12 17:58:10,631 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-09-12 17:58:10,631 INFO L434 NwaCegarLoop]: 21 mSDtfsCounter, 420 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:10,631 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 62 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:58:10,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-09-12 17:58:10,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-09-12 17:58:10,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 158 states have (on average 1.2531645569620253) internal successors, (198), 179 states have internal predecessors, (198), 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 17:58:10,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 201 transitions. [2024-09-12 17:58:10,662 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 201 transitions. Word has length 27 [2024-09-12 17:58:10,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:10,662 INFO L474 AbstractCegarLoop]: Abstraction has 183 states and 201 transitions. [2024-09-12 17:58:10,662 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 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 17:58:10,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:10,663 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 201 transitions. [2024-09-12 17:58:10,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-09-12 17:58:10,663 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:10,663 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] [2024-09-12 17:58:10,663 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-09-12 17:58:10,663 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting mainErr19ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:10,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:10,663 INFO L85 PathProgramCache]: Analyzing trace with hash 2064245801, now seen corresponding path program 1 times [2024-09-12 17:58:10,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:10,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814366610] [2024-09-12 17:58:10,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:10,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:10,796 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:10,799 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 17:58:10,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:10,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814366610] [2024-09-12 17:58:10,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814366610] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:10,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:10,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-12 17:58:10,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622900781] [2024-09-12 17:58:10,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:10,804 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-12 17:58:10,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:10,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-12 17:58:10,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:58:10,804 INFO L87 Difference]: Start difference. First operand 183 states and 201 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 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 17:58:11,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:11,037 INFO L93 Difference]: Finished difference Result 183 states and 201 transitions. [2024-09-12 17:58:11,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-12 17:58:11,037 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 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 27 [2024-09-12 17:58:11,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:11,038 INFO L225 Difference]: With dead ends: 183 [2024-09-12 17:58:11,042 INFO L226 Difference]: Without dead ends: 179 [2024-09-12 17:58:11,042 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-09-12 17:58:11,043 INFO L434 NwaCegarLoop]: 19 mSDtfsCounter, 208 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:11,043 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 52 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:58:11,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-09-12 17:58:11,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-09-12 17:58:11,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 155 states have (on average 1.2451612903225806) internal successors, (193), 175 states have internal predecessors, (193), 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 17:58:11,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 196 transitions. [2024-09-12 17:58:11,060 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 196 transitions. Word has length 27 [2024-09-12 17:58:11,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:11,060 INFO L474 AbstractCegarLoop]: Abstraction has 179 states and 196 transitions. [2024-09-12 17:58:11,060 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 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 17:58:11,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:11,060 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 196 transitions. [2024-09-12 17:58:11,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-09-12 17:58:11,061 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:11,061 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] [2024-09-12 17:58:11,061 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-09-12 17:58:11,061 INFO L399 AbstractCegarLoop]: === Iteration 19 === Targeting mainErr15ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:11,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:11,061 INFO L85 PathProgramCache]: Analyzing trace with hash 705245280, now seen corresponding path program 1 times [2024-09-12 17:58:11,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:11,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635241580] [2024-09-12 17:58:11,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:11,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:11,162 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:11,165 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 17:58:11,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:11,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635241580] [2024-09-12 17:58:11,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635241580] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:11,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:11,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-12 17:58:11,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059010446] [2024-09-12 17:58:11,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:11,166 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-12 17:58:11,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:11,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-12 17:58:11,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:58:11,168 INFO L87 Difference]: Start difference. First operand 179 states and 196 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 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 17:58:11,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:11,485 INFO L93 Difference]: Finished difference Result 179 states and 196 transitions. [2024-09-12 17:58:11,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-12 17:58:11,485 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 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 27 [2024-09-12 17:58:11,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:11,486 INFO L225 Difference]: With dead ends: 179 [2024-09-12 17:58:11,487 INFO L226 Difference]: Without dead ends: 177 [2024-09-12 17:58:11,487 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-09-12 17:58:11,487 INFO L434 NwaCegarLoop]: 17 mSDtfsCounter, 302 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:11,488 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 43 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:58:11,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-09-12 17:58:11,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-09-12 17:58:11,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 154 states have (on average 1.2337662337662338) internal successors, (190), 173 states have internal predecessors, (190), 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 17:58:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 193 transitions. [2024-09-12 17:58:11,506 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 193 transitions. Word has length 27 [2024-09-12 17:58:11,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:11,506 INFO L474 AbstractCegarLoop]: Abstraction has 177 states and 193 transitions. [2024-09-12 17:58:11,506 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 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 17:58:11,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 193 transitions. [2024-09-12 17:58:11,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-09-12 17:58:11,507 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:11,507 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 17:58:11,508 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-09-12 17:58:11,508 INFO L399 AbstractCegarLoop]: === Iteration 20 === Targeting mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:11,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:11,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1723110887, now seen corresponding path program 1 times [2024-09-12 17:58:11,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:11,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792461340] [2024-09-12 17:58:11,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:11,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:11,566 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:11,569 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 17:58:11,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:11,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792461340] [2024-09-12 17:58:11,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792461340] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:11,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:11,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-12 17:58:11,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544895314] [2024-09-12 17:58:11,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:11,570 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 17:58:11,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:11,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 17:58:11,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-09-12 17:58:11,571 INFO L87 Difference]: Start difference. First operand 177 states and 193 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 17:58:11,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:11,881 INFO L93 Difference]: Finished difference Result 194 states and 212 transitions. [2024-09-12 17:58:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-12 17:58:11,881 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 17:58:11,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:11,882 INFO L225 Difference]: With dead ends: 194 [2024-09-12 17:58:11,882 INFO L226 Difference]: Without dead ends: 190 [2024-09-12 17:58:11,883 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 17:58:11,883 INFO L434 NwaCegarLoop]: 32 mSDtfsCounter, 226 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:11,883 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 65 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:58:11,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-09-12 17:58:11,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2024-09-12 17:58:11,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 169 states have (on average 1.21301775147929) internal successors, (205), 186 states have internal predecessors, (205), 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 17:58:11,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 208 transitions. [2024-09-12 17:58:11,910 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 208 transitions. Word has length 32 [2024-09-12 17:58:11,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:11,910 INFO L474 AbstractCegarLoop]: Abstraction has 190 states and 208 transitions. [2024-09-12 17:58:11,910 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 17:58:11,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:11,911 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 208 transitions. [2024-09-12 17:58:11,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-09-12 17:58:11,911 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:11,911 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 17:58:11,912 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-09-12 17:58:11,912 INFO L399 AbstractCegarLoop]: === Iteration 21 === Targeting mainErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:11,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:11,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1427574750, now seen corresponding path program 1 times [2024-09-12 17:58:11,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:11,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543453751] [2024-09-12 17:58:11,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:11,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:11,982 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:11,985 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 17:58:11,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:11,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543453751] [2024-09-12 17:58:11,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543453751] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:11,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:11,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-12 17:58:11,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191390053] [2024-09-12 17:58:11,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:11,986 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-12 17:58:11,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:11,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-12 17:58:11,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:58:11,987 INFO L87 Difference]: Start difference. First operand 190 states and 208 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 17:58:12,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:12,372 INFO L93 Difference]: Finished difference Result 207 states and 227 transitions. [2024-09-12 17:58:12,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-12 17:58:12,372 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 17:58:12,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:12,373 INFO L225 Difference]: With dead ends: 207 [2024-09-12 17:58:12,373 INFO L226 Difference]: Without dead ends: 203 [2024-09-12 17:58:12,373 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-09-12 17:58:12,374 INFO L434 NwaCegarLoop]: 32 mSDtfsCounter, 202 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:12,374 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 94 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:58:12,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-09-12 17:58:12,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-09-12 17:58:12,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 184 states have (on average 1.1956521739130435) internal successors, (220), 199 states have internal predecessors, (220), 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 17:58:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 223 transitions. [2024-09-12 17:58:12,390 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 223 transitions. Word has length 38 [2024-09-12 17:58:12,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:12,390 INFO L474 AbstractCegarLoop]: Abstraction has 203 states and 223 transitions. [2024-09-12 17:58:12,390 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 17:58:12,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:12,390 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 223 transitions. [2024-09-12 17:58:12,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-09-12 17:58:12,391 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:12,391 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 17:58:12,391 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-09-12 17:58:12,391 INFO L399 AbstractCegarLoop]: === Iteration 22 === Targeting mainErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:12,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:12,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1978543787, now seen corresponding path program 1 times [2024-09-12 17:58:12,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:12,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72177814] [2024-09-12 17:58:12,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:12,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:12,486 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:12,488 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 17:58:12,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:12,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72177814] [2024-09-12 17:58:12,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72177814] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:12,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:12,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-12 17:58:12,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678517050] [2024-09-12 17:58:12,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:12,489 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-12 17:58:12,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:12,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-12 17:58:12,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-09-12 17:58:12,489 INFO L87 Difference]: Start difference. First operand 203 states and 223 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 17:58:12,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:12,871 INFO L93 Difference]: Finished difference Result 220 states and 242 transitions. [2024-09-12 17:58:12,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-12 17:58:12,872 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 17:58:12,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:12,873 INFO L225 Difference]: With dead ends: 220 [2024-09-12 17:58:12,873 INFO L226 Difference]: Without dead ends: 216 [2024-09-12 17:58:12,873 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2024-09-12 17:58:12,873 INFO L434 NwaCegarLoop]: 32 mSDtfsCounter, 215 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:12,874 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 123 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:58:12,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-09-12 17:58:12,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-09-12 17:58:12,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 199 states have (on average 1.1809045226130652) internal successors, (235), 212 states have internal predecessors, (235), 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 17:58:12,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 238 transitions. [2024-09-12 17:58:12,890 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 238 transitions. Word has length 44 [2024-09-12 17:58:12,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:12,890 INFO L474 AbstractCegarLoop]: Abstraction has 216 states and 238 transitions. [2024-09-12 17:58:12,891 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 17:58:12,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:12,891 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 238 transitions. [2024-09-12 17:58:12,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-09-12 17:58:12,891 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:12,891 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 17:58:12,891 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-09-12 17:58:12,891 INFO L399 AbstractCegarLoop]: === Iteration 23 === Targeting mainErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:12,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:12,892 INFO L85 PathProgramCache]: Analyzing trace with hash 6643134, now seen corresponding path program 1 times [2024-09-12 17:58:12,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:12,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634196923] [2024-09-12 17:58:12,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:12,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:12,992 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:12,994 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 17:58:12,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:12,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634196923] [2024-09-12 17:58:12,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634196923] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:12,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:12,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-12 17:58:12,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218689514] [2024-09-12 17:58:12,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:12,999 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-12 17:58:12,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:12,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-12 17:58:13,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-09-12 17:58:13,000 INFO L87 Difference]: Start difference. First operand 216 states and 238 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 17:58:13,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:13,368 INFO L93 Difference]: Finished difference Result 233 states and 257 transitions. [2024-09-12 17:58:13,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-09-12 17:58:13,368 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 17:58:13,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:13,369 INFO L225 Difference]: With dead ends: 233 [2024-09-12 17:58:13,369 INFO L226 Difference]: Without dead ends: 229 [2024-09-12 17:58:13,370 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=164, Unknown=0, NotChecked=0, Total=272 [2024-09-12 17:58:13,370 INFO L434 NwaCegarLoop]: 32 mSDtfsCounter, 275 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:13,370 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 104 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:58:13,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-09-12 17:58:13,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2024-09-12 17:58:13,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 214 states have (on average 1.1682242990654206) internal successors, (250), 225 states have internal predecessors, (250), 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 17:58:13,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 253 transitions. [2024-09-12 17:58:13,399 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 253 transitions. Word has length 50 [2024-09-12 17:58:13,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:13,399 INFO L474 AbstractCegarLoop]: Abstraction has 229 states and 253 transitions. [2024-09-12 17:58:13,399 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 17:58:13,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:13,400 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 253 transitions. [2024-09-12 17:58:13,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-09-12 17:58:13,400 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:13,400 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 17:58:13,401 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-09-12 17:58:13,401 INFO L399 AbstractCegarLoop]: === Iteration 24 === Targeting mainErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:13,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:13,401 INFO L85 PathProgramCache]: Analyzing trace with hash 859417283, now seen corresponding path program 1 times [2024-09-12 17:58:13,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:13,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226837499] [2024-09-12 17:58:13,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:13,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:13,506 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:13,509 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 17:58:13,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:13,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226837499] [2024-09-12 17:58:13,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226837499] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:13,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:13,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-12 17:58:13,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031285322] [2024-09-12 17:58:13,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:13,509 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-12 17:58:13,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:13,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-12 17:58:13,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2024-09-12 17:58:13,510 INFO L87 Difference]: Start difference. First operand 229 states and 253 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 17:58:13,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:13,910 INFO L93 Difference]: Finished difference Result 246 states and 272 transitions. [2024-09-12 17:58:13,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-12 17:58:13,910 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 17:58:13,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:13,912 INFO L225 Difference]: With dead ends: 246 [2024-09-12 17:58:13,912 INFO L226 Difference]: Without dead ends: 242 [2024-09-12 17:58:13,912 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2024-09-12 17:58:13,912 INFO L434 NwaCegarLoop]: 32 mSDtfsCounter, 292 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:13,912 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 121 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:58:13,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-09-12 17:58:13,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2024-09-12 17:58:13,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 229 states have (on average 1.1572052401746724) internal successors, (265), 238 states have internal predecessors, (265), 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 17:58:13,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 268 transitions. [2024-09-12 17:58:13,930 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 268 transitions. Word has length 56 [2024-09-12 17:58:13,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:13,930 INFO L474 AbstractCegarLoop]: Abstraction has 242 states and 268 transitions. [2024-09-12 17:58:13,930 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 17:58:13,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:13,930 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 268 transitions. [2024-09-12 17:58:13,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-09-12 17:58:13,931 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:13,931 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 17:58:13,931 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-09-12 17:58:13,931 INFO L399 AbstractCegarLoop]: === Iteration 25 === Targeting mainErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:13,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:13,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1277657786, now seen corresponding path program 1 times [2024-09-12 17:58:13,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:13,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122268054] [2024-09-12 17:58:13,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:13,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:14,052 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:14,054 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 17:58:14,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:14,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122268054] [2024-09-12 17:58:14,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122268054] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:14,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:14,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-09-12 17:58:14,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145690640] [2024-09-12 17:58:14,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:14,055 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-12 17:58:14,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:14,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-12 17:58:14,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2024-09-12 17:58:14,056 INFO L87 Difference]: Start difference. First operand 242 states and 268 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 17:58:14,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:14,451 INFO L93 Difference]: Finished difference Result 259 states and 287 transitions. [2024-09-12 17:58:14,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-12 17:58:14,451 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 17:58:14,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:14,453 INFO L225 Difference]: With dead ends: 259 [2024-09-12 17:58:14,453 INFO L226 Difference]: Without dead ends: 255 [2024-09-12 17:58:14,453 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=255, Unknown=0, NotChecked=0, Total=420 [2024-09-12 17:58:14,454 INFO L434 NwaCegarLoop]: 32 mSDtfsCounter, 527 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:14,456 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 90 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:58:14,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-09-12 17:58:14,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2024-09-12 17:58:14,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 244 states have (on average 1.1475409836065573) internal successors, (280), 251 states have internal predecessors, (280), 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 17:58:14,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 283 transitions. [2024-09-12 17:58:14,475 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 283 transitions. Word has length 62 [2024-09-12 17:58:14,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:14,475 INFO L474 AbstractCegarLoop]: Abstraction has 255 states and 283 transitions. [2024-09-12 17:58:14,475 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 17:58:14,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:14,475 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 283 transitions. [2024-09-12 17:58:14,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-09-12 17:58:14,477 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:14,477 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] [2024-09-12 17:58:14,477 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-09-12 17:58:14,477 INFO L399 AbstractCegarLoop]: === Iteration 26 === Targeting mainErr54ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:14,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:14,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1642657049, now seen corresponding path program 1 times [2024-09-12 17:58:14,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:14,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084747383] [2024-09-12 17:58:14,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:14,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:14,642 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:14,644 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 17:58:14,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:14,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084747383] [2024-09-12 17:58:14,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084747383] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:14,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:14,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-09-12 17:58:14,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305667282] [2024-09-12 17:58:14,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:14,644 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-09-12 17:58:14,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:14,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-09-12 17:58:14,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-09-12 17:58:14,645 INFO L87 Difference]: Start difference. First operand 255 states and 283 transitions. Second operand has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 13 states have internal predecessors, (64), 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 17:58:15,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:15,322 INFO L93 Difference]: Finished difference Result 255 states and 283 transitions. [2024-09-12 17:58:15,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-12 17:58:15,323 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 13 states have internal predecessors, (64), 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 67 [2024-09-12 17:58:15,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:15,324 INFO L225 Difference]: With dead ends: 255 [2024-09-12 17:58:15,324 INFO L226 Difference]: Without dead ends: 253 [2024-09-12 17:58:15,325 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2024-09-12 17:58:15,325 INFO L434 NwaCegarLoop]: 55 mSDtfsCounter, 340 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:15,326 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 262 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-12 17:58:15,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-09-12 17:58:15,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2024-09-12 17:58:15,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 243 states have (on average 1.1440329218106995) internal successors, (278), 249 states have internal predecessors, (278), 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 17:58:15,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 281 transitions. [2024-09-12 17:58:15,356 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 281 transitions. Word has length 67 [2024-09-12 17:58:15,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:15,356 INFO L474 AbstractCegarLoop]: Abstraction has 253 states and 281 transitions. [2024-09-12 17:58:15,356 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 13 states have internal predecessors, (64), 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 17:58:15,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:15,357 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 281 transitions. [2024-09-12 17:58:15,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-09-12 17:58:15,357 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:15,358 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] [2024-09-12 17:58:15,358 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-09-12 17:58:15,358 INFO L399 AbstractCegarLoop]: === Iteration 27 === Targeting mainErr58ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:15,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:15,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1642674923, now seen corresponding path program 1 times [2024-09-12 17:58:15,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:15,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402066900] [2024-09-12 17:58:15,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:15,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:15,508 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:15,511 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 17:58:15,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:15,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402066900] [2024-09-12 17:58:15,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402066900] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:15,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:15,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-09-12 17:58:15,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128355358] [2024-09-12 17:58:15,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:15,512 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-09-12 17:58:15,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:15,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-09-12 17:58:15,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-09-12 17:58:15,513 INFO L87 Difference]: Start difference. First operand 253 states and 281 transitions. Second operand has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 13 states have internal predecessors, (64), 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 17:58:16,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:16,154 INFO L93 Difference]: Finished difference Result 253 states and 281 transitions. [2024-09-12 17:58:16,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-12 17:58:16,154 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 13 states have internal predecessors, (64), 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 67 [2024-09-12 17:58:16,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:16,155 INFO L225 Difference]: With dead ends: 253 [2024-09-12 17:58:16,155 INFO L226 Difference]: Without dead ends: 251 [2024-09-12 17:58:16,155 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2024-09-12 17:58:16,156 INFO L434 NwaCegarLoop]: 53 mSDtfsCounter, 351 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:16,156 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 239 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1218 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-12 17:58:16,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-09-12 17:58:16,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2024-09-12 17:58:16,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 242 states have (on average 1.140495867768595) internal successors, (276), 247 states have internal predecessors, (276), 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 17:58:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 279 transitions. [2024-09-12 17:58:16,175 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 279 transitions. Word has length 67 [2024-09-12 17:58:16,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:16,175 INFO L474 AbstractCegarLoop]: Abstraction has 251 states and 279 transitions. [2024-09-12 17:58:16,175 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 13 states have internal predecessors, (64), 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 17:58:16,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 279 transitions. [2024-09-12 17:58:16,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-09-12 17:58:16,176 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:16,176 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 17:58:16,176 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-09-12 17:58:16,176 INFO L399 AbstractCegarLoop]: === Iteration 28 === Targeting mainErr55ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:16,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:16,177 INFO L85 PathProgramCache]: Analyzing trace with hash -617235545, now seen corresponding path program 1 times [2024-09-12 17:58:16,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:16,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35238787] [2024-09-12 17:58:16,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:16,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:16,404 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:16,406 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 17:58:16,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:16,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35238787] [2024-09-12 17:58:16,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35238787] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:16,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:16,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-12 17:58:16,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041838023] [2024-09-12 17:58:16,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:16,407 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-12 17:58:16,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:16,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-12 17:58:16,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:58:16,408 INFO L87 Difference]: Start difference. First operand 251 states and 279 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 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 17:58:16,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:16,633 INFO L93 Difference]: Finished difference Result 251 states and 279 transitions. [2024-09-12 17:58:16,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-12 17:58:16,633 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 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 17:58:16,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:16,634 INFO L225 Difference]: With dead ends: 251 [2024-09-12 17:58:16,634 INFO L226 Difference]: Without dead ends: 249 [2024-09-12 17:58:16,634 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-09-12 17:58:16,635 INFO L434 NwaCegarLoop]: 11 mSDtfsCounter, 291 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:16,635 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 36 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:58:16,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-09-12 17:58:16,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2024-09-12 17:58:16,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 241 states have (on average 1.1369294605809128) internal successors, (274), 245 states have internal predecessors, (274), 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 17:58:16,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 277 transitions. [2024-09-12 17:58:16,654 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 277 transitions. Word has length 68 [2024-09-12 17:58:16,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:16,654 INFO L474 AbstractCegarLoop]: Abstraction has 249 states and 277 transitions. [2024-09-12 17:58:16,655 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 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 17:58:16,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:16,655 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 277 transitions. [2024-09-12 17:58:16,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-09-12 17:58:16,655 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:16,656 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 17:58:16,656 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-09-12 17:58:16,657 INFO L399 AbstractCegarLoop]: === Iteration 29 === Targeting mainErr59ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:16,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:16,657 INFO L85 PathProgramCache]: Analyzing trace with hash -616681433, now seen corresponding path program 1 times [2024-09-12 17:58:16,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:16,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558609963] [2024-09-12 17:58:16,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:16,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:16,893 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:16,895 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 17:58:16,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:16,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558609963] [2024-09-12 17:58:16,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558609963] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:16,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:16,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-12 17:58:16,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411115972] [2024-09-12 17:58:16,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:16,896 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-12 17:58:16,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:16,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-12 17:58:16,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:58:16,897 INFO L87 Difference]: Start difference. First operand 249 states and 277 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 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 17:58:17,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:17,109 INFO L93 Difference]: Finished difference Result 249 states and 277 transitions. [2024-09-12 17:58:17,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-12 17:58:17,109 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 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 17:58:17,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:17,111 INFO L225 Difference]: With dead ends: 249 [2024-09-12 17:58:17,111 INFO L226 Difference]: Without dead ends: 247 [2024-09-12 17:58:17,111 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-09-12 17:58:17,113 INFO L434 NwaCegarLoop]: 9 mSDtfsCounter, 218 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:17,113 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 27 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:58:17,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-09-12 17:58:17,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2024-09-12 17:58:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 240 states have (on average 1.1333333333333333) internal successors, (272), 243 states have internal predecessors, (272), 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 17:58:17,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 275 transitions. [2024-09-12 17:58:17,138 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 275 transitions. Word has length 68 [2024-09-12 17:58:17,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:17,138 INFO L474 AbstractCegarLoop]: Abstraction has 247 states and 275 transitions. [2024-09-12 17:58:17,138 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 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 17:58:17,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:17,138 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 275 transitions. [2024-09-12 17:58:17,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-09-12 17:58:17,139 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:17,139 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] [2024-09-12 17:58:17,139 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-09-12 17:58:17,139 INFO L399 AbstractCegarLoop]: === Iteration 30 === Targeting mainErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:17,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:17,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1954429249, now seen corresponding path program 1 times [2024-09-12 17:58:17,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:17,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140140692] [2024-09-12 17:58:17,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:17,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:17,250 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:17,254 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 17:58:17,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:17,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140140692] [2024-09-12 17:58:17,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140140692] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:17,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:58:17,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-09-12 17:58:17,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445873888] [2024-09-12 17:58:17,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:17,255 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-12 17:58:17,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:17,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-12 17:58:17,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2024-09-12 17:58:17,256 INFO L87 Difference]: Start difference. First operand 247 states and 275 transitions. Second operand has 13 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 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 17:58:17,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:17,675 INFO L93 Difference]: Finished difference Result 277 states and 308 transitions. [2024-09-12 17:58:17,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-12 17:58:17,675 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 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 69 [2024-09-12 17:58:17,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:17,677 INFO L225 Difference]: With dead ends: 277 [2024-09-12 17:58:17,677 INFO L226 Difference]: Without dead ends: 273 [2024-09-12 17:58:17,677 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=185, Invalid=277, Unknown=0, NotChecked=0, Total=462 [2024-09-12 17:58:17,678 INFO L434 NwaCegarLoop]: 13 mSDtfsCounter, 463 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:17,678 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 75 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:58:17,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-09-12 17:58:17,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2024-09-12 17:58:17,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 266 states have (on average 1.131578947368421) internal successors, (301), 269 states have internal predecessors, (301), 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 17:58:17,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 304 transitions. [2024-09-12 17:58:17,712 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 304 transitions. Word has length 69 [2024-09-12 17:58:17,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:17,712 INFO L474 AbstractCegarLoop]: Abstraction has 273 states and 304 transitions. [2024-09-12 17:58:17,713 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.5) internal successors, (66), 12 states have internal predecessors, (66), 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 17:58:17,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:17,713 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 304 transitions. [2024-09-12 17:58:17,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-09-12 17:58:17,713 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:17,714 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:58:17,714 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-09-12 17:58:17,714 INFO L399 AbstractCegarLoop]: === Iteration 31 === Targeting mainErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:17,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:17,714 INFO L85 PathProgramCache]: Analyzing trace with hash -191234232, now seen corresponding path program 1 times [2024-09-12 17:58:17,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:17,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436128742] [2024-09-12 17:58:17,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:17,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:17,899 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:17,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:17,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:17,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436128742] [2024-09-12 17:58:17,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436128742] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:58:17,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619510034] [2024-09-12 17:58:17,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:17,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:58:17,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:58:17,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:58:17,904 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-12 17:58:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:18,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-12 17:58:18,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:58:18,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:18,123 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:58:18,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:18,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [619510034] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:58:18,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:58:18,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 25 [2024-09-12 17:58:18,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923276934] [2024-09-12 17:58:18,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:58:18,325 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-09-12 17:58:18,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:18,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-09-12 17:58:18,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2024-09-12 17:58:18,326 INFO L87 Difference]: Start difference. First operand 273 states and 304 transitions. Second operand has 26 states, 25 states have (on average 6.16) internal successors, (154), 25 states have internal predecessors, (154), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:19,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:19,093 INFO L93 Difference]: Finished difference Result 589 states and 700 transitions. [2024-09-12 17:58:19,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-12 17:58:19,093 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 6.16) internal successors, (154), 25 states have internal predecessors, (154), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2024-09-12 17:58:19,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:19,095 INFO L225 Difference]: With dead ends: 589 [2024-09-12 17:58:19,095 INFO L226 Difference]: Without dead ends: 585 [2024-09-12 17:58:19,096 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=528, Invalid=662, Unknown=0, NotChecked=0, Total=1190 [2024-09-12 17:58:19,096 INFO L434 NwaCegarLoop]: 13 mSDtfsCounter, 1419 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1419 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:19,096 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1419 Valid, 158 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-12 17:58:19,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-09-12 17:58:19,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 585. [2024-09-12 17:58:19,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 578 states have (on average 1.1228373702422145) internal successors, (649), 581 states have internal predecessors, (649), 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 17:58:19,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 652 transitions. [2024-09-12 17:58:19,143 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 652 transitions. Word has length 76 [2024-09-12 17:58:19,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:19,144 INFO L474 AbstractCegarLoop]: Abstraction has 585 states and 652 transitions. [2024-09-12 17:58:19,144 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 6.16) internal successors, (154), 25 states have internal predecessors, (154), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:19,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:19,144 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 652 transitions. [2024-09-12 17:58:19,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-09-12 17:58:19,145 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:19,145 INFO L216 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:58:19,159 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-09-12 17:58:19,346 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-09-12 17:58:19,346 INFO L399 AbstractCegarLoop]: === Iteration 32 === Targeting mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:19,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:19,347 INFO L85 PathProgramCache]: Analyzing trace with hash -2025541012, now seen corresponding path program 1 times [2024-09-12 17:58:19,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:19,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221336079] [2024-09-12 17:58:19,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:19,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:19,805 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:19,807 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 213 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:19,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:19,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221336079] [2024-09-12 17:58:19,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221336079] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:58:19,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338805445] [2024-09-12 17:58:19,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:19,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:58:19,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:58:19,809 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:58:19,812 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-12 17:58:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:19,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-09-12 17:58:19,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:58:20,081 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 213 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:20,082 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:58:20,801 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 213 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:20,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338805445] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:58:20,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:58:20,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 49 [2024-09-12 17:58:20,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806940126] [2024-09-12 17:58:20,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:58:20,802 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-09-12 17:58:20,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:20,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-09-12 17:58:20,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1178, Invalid=1272, Unknown=0, NotChecked=0, Total=2450 [2024-09-12 17:58:20,804 INFO L87 Difference]: Start difference. First operand 585 states and 652 transitions. Second operand has 50 states, 49 states have (on average 6.571428571428571) internal successors, (322), 49 states have internal predecessors, (322), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:22,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:22,275 INFO L93 Difference]: Finished difference Result 1213 states and 1444 transitions. [2024-09-12 17:58:22,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-09-12 17:58:22,276 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 6.571428571428571) internal successors, (322), 49 states have internal predecessors, (322), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 160 [2024-09-12 17:58:22,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:22,283 INFO L225 Difference]: With dead ends: 1213 [2024-09-12 17:58:22,284 INFO L226 Difference]: Without dead ends: 1209 [2024-09-12 17:58:22,288 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1620, Invalid=1802, Unknown=0, NotChecked=0, Total=3422 [2024-09-12 17:58:22,288 INFO L434 NwaCegarLoop]: 13 mSDtfsCounter, 2553 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 443 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2553 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 1864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 443 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:22,288 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [2553 Valid, 307 Invalid, 1864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [443 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-09-12 17:58:22,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2024-09-12 17:58:22,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1209. [2024-09-12 17:58:22,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1202 states have (on average 1.1189683860232944) internal successors, (1345), 1205 states have internal predecessors, (1345), 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 17:58:22,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1348 transitions. [2024-09-12 17:58:22,382 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1348 transitions. Word has length 160 [2024-09-12 17:58:22,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:22,382 INFO L474 AbstractCegarLoop]: Abstraction has 1209 states and 1348 transitions. [2024-09-12 17:58:22,382 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 6.571428571428571) internal successors, (322), 49 states have internal predecessors, (322), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:22,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:22,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1348 transitions. [2024-09-12 17:58:22,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-09-12 17:58:22,385 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:22,386 INFO L216 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:58:22,402 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-12 17:58:22,589 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-09-12 17:58:22,590 INFO L399 AbstractCegarLoop]: === Iteration 33 === Targeting mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:22,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:22,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1340787380, now seen corresponding path program 2 times [2024-09-12 17:58:22,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:22,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022683306] [2024-09-12 17:58:22,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:22,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:24,164 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:24,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:24,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:24,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022683306] [2024-09-12 17:58:24,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022683306] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:58:24,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474559316] [2024-09-12 17:58:24,168 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 17:58:24,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:58:24,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:58:24,169 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:58:24,170 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-12 17:58:24,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-12 17:58:24,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:58:24,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-12 17:58:24,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:58:24,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 34 proven. 51 refuted. 0 times theorem prover too weak. 2060 trivial. 0 not checked. [2024-09-12 17:58:24,709 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:58:25,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 2060 trivial. 0 not checked. [2024-09-12 17:58:25,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474559316] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:58:25,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:58:25,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 6, 6] total 58 [2024-09-12 17:58:25,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183988006] [2024-09-12 17:58:25,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:58:25,150 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-09-12 17:58:25,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:25,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-09-12 17:58:25,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1398, Invalid=2024, Unknown=0, NotChecked=0, Total=3422 [2024-09-12 17:58:25,152 INFO L87 Difference]: Start difference. First operand 1209 states and 1348 transitions. Second operand has 59 states, 58 states have (on average 8.724137931034482) internal successors, (506), 58 states have internal predecessors, (506), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:31,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:31,133 INFO L93 Difference]: Finished difference Result 1286 states and 1441 transitions. [2024-09-12 17:58:31,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2024-09-12 17:58:31,134 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 58 states have (on average 8.724137931034482) internal successors, (506), 58 states have internal predecessors, (506), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 328 [2024-09-12 17:58:31,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:31,137 INFO L225 Difference]: With dead ends: 1286 [2024-09-12 17:58:31,137 INFO L226 Difference]: Without dead ends: 368 [2024-09-12 17:58:31,146 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 870 GetRequests, 647 SyntacticMatches, 1 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17560 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=15421, Invalid=34531, Unknown=0, NotChecked=0, Total=49952 [2024-09-12 17:58:31,147 INFO L434 NwaCegarLoop]: 9 mSDtfsCounter, 3421 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 1580 mSolverCounterSat, 475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3421 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 2055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 475 IncrementalHoareTripleChecker+Valid, 1580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:31,147 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [3421 Valid, 337 Invalid, 2055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [475 Valid, 1580 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-09-12 17:58:31,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-09-12 17:58:31,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-09-12 17:58:31,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 362 states have (on average 1.011049723756906) internal successors, (366), 364 states have internal predecessors, (366), 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 17:58:31,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 369 transitions. [2024-09-12 17:58:31,177 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 369 transitions. Word has length 328 [2024-09-12 17:58:31,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:31,177 INFO L474 AbstractCegarLoop]: Abstraction has 368 states and 369 transitions. [2024-09-12 17:58:31,177 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 58 states have (on average 8.724137931034482) internal successors, (506), 58 states have internal predecessors, (506), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:31,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:31,178 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 369 transitions. [2024-09-12 17:58:31,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-09-12 17:58:31,179 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:31,179 INFO L216 NwaCegarLoop]: trace histogram [41, 41, 40, 40, 40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:58:31,191 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-12 17:58:31,379 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-09-12 17:58:31,380 INFO L399 AbstractCegarLoop]: === Iteration 34 === Targeting mainErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:31,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:31,381 INFO L85 PathProgramCache]: Analyzing trace with hash 676635711, now seen corresponding path program 2 times [2024-09-12 17:58:31,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:31,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578121865] [2024-09-12 17:58:31,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:31,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:33,065 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:33,069 INFO L134 CoverageAnalysis]: Checked inductivity of 5580 backedges. 0 proven. 5580 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:33,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:33,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578121865] [2024-09-12 17:58:33,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578121865] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:58:33,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770574913] [2024-09-12 17:58:33,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 17:58:33,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:58:33,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:58:33,071 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:58:33,072 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-12 17:58:33,212 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-12 17:58:33,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:58:33,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-12 17:58:33,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:58:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 5580 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 5540 trivial. 0 not checked. [2024-09-12 17:58:33,644 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:58:33,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770574913] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:58:33,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:58:33,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [52] total 57 [2024-09-12 17:58:33,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201774729] [2024-09-12 17:58:33,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:58:33,645 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 17:58:33,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:33,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 17:58:33,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1391, Invalid=1915, Unknown=0, NotChecked=0, Total=3306 [2024-09-12 17:58:33,646 INFO L87 Difference]: Start difference. First operand 368 states and 369 transitions. Second operand has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (2), 1 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 17:58:33,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:33,884 INFO L93 Difference]: Finished difference Result 368 states and 369 transitions. [2024-09-12 17:58:33,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-12 17:58:33,884 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (2), 1 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 349 [2024-09-12 17:58:33,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:33,886 INFO L225 Difference]: With dead ends: 368 [2024-09-12 17:58:33,886 INFO L226 Difference]: Without dead ends: 367 [2024-09-12 17:58:33,887 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1415, Invalid=2367, Unknown=0, NotChecked=0, Total=3782 [2024-09-12 17:58:33,887 INFO L434 NwaCegarLoop]: 7 mSDtfsCounter, 68 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:33,888 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 27 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:58:33,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-09-12 17:58:33,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 363. [2024-09-12 17:58:33,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 358 states have (on average 1.0083798882681565) internal successors, (361), 359 states have internal predecessors, (361), 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 17:58:33,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 364 transitions. [2024-09-12 17:58:33,918 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 364 transitions. Word has length 349 [2024-09-12 17:58:33,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:33,918 INFO L474 AbstractCegarLoop]: Abstraction has 363 states and 364 transitions. [2024-09-12 17:58:33,919 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 1 states have call successors, (2), 1 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 17:58:33,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:33,919 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 364 transitions. [2024-09-12 17:58:33,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-09-12 17:58:33,920 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:33,920 INFO L216 NwaCegarLoop]: trace histogram [41, 41, 41, 41, 41, 41, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:58:33,934 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-12 17:58:34,121 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,5 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:58:34,121 INFO L399 AbstractCegarLoop]: === Iteration 35 === Targeting mainErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:34,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:34,122 INFO L85 PathProgramCache]: Analyzing trace with hash 693813201, now seen corresponding path program 1 times [2024-09-12 17:58:34,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:34,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712283943] [2024-09-12 17:58:34,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:34,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:35,956 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:35,960 INFO L134 CoverageAnalysis]: Checked inductivity of 5740 backedges. 0 proven. 5740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:35,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:35,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712283943] [2024-09-12 17:58:35,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712283943] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:58:35,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771779472] [2024-09-12 17:58:35,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:35,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:58:35,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:58:35,962 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:58:35,963 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-12 17:58:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:36,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 1465 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-09-12 17:58:36,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:58:36,528 INFO L134 CoverageAnalysis]: Checked inductivity of 5740 backedges. 0 proven. 5740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:36,529 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:58:39,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5740 backedges. 0 proven. 5740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:39,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771779472] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:58:39,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:58:39,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 51, 51] total 103 [2024-09-12 17:58:39,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248916057] [2024-09-12 17:58:39,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:58:39,329 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2024-09-12 17:58:39,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:39,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2024-09-12 17:58:39,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5255, Invalid=5457, Unknown=0, NotChecked=0, Total=10712 [2024-09-12 17:58:39,331 INFO L87 Difference]: Start difference. First operand 363 states and 364 transitions. Second operand has 104 states, 103 states have (on average 6.796116504854369) internal successors, (700), 103 states have internal predecessors, (700), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:41,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:58:41,163 INFO L93 Difference]: Finished difference Result 1338 states and 1439 transitions. [2024-09-12 17:58:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-09-12 17:58:41,163 INFO L78 Accepts]: Start accepts. Automaton has has 104 states, 103 states have (on average 6.796116504854369) internal successors, (700), 103 states have internal predecessors, (700), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 349 [2024-09-12 17:58:41,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:58:41,169 INFO L225 Difference]: With dead ends: 1338 [2024-09-12 17:58:41,169 INFO L226 Difference]: Without dead ends: 724 [2024-09-12 17:58:41,171 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 759 GetRequests, 648 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=6183, Invalid=6473, Unknown=0, NotChecked=0, Total=12656 [2024-09-12 17:58:41,172 INFO L434 NwaCegarLoop]: 8 mSDtfsCounter, 1970 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1970 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 1595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-09-12 17:58:41,172 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1970 Valid, 232 Invalid, 1595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-09-12 17:58:41,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2024-09-12 17:58:41,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 720. [2024-09-12 17:58:41,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 715 states have (on average 1.0041958041958041) internal successors, (718), 716 states have internal predecessors, (718), 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 17:58:41,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 721 transitions. [2024-09-12 17:58:41,230 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 721 transitions. Word has length 349 [2024-09-12 17:58:41,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:58:41,231 INFO L474 AbstractCegarLoop]: Abstraction has 720 states and 721 transitions. [2024-09-12 17:58:41,231 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 103 states have (on average 6.796116504854369) internal successors, (700), 103 states have internal predecessors, (700), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:58:41,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 721 transitions. [2024-09-12 17:58:41,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2024-09-12 17:58:41,234 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:58:41,234 INFO L216 NwaCegarLoop]: trace histogram [92, 92, 92, 92, 92, 92, 91, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:58:41,252 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-12 17:58:41,438 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-09-12 17:58:41,439 INFO L399 AbstractCegarLoop]: === Iteration 36 === Targeting mainErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:58:41,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:58:41,439 INFO L85 PathProgramCache]: Analyzing trace with hash -315690886, now seen corresponding path program 2 times [2024-09-12 17:58:41,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:58:41,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067315863] [2024-09-12 17:58:41,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:58:41,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:58:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:49,853 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:58:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:58:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 29302 backedges. 0 proven. 29302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:58:49,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:58:49,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067315863] [2024-09-12 17:58:49,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067315863] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:58:49,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919981428] [2024-09-12 17:58:49,866 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 17:58:49,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:58:49,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:58:49,868 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:58:49,869 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-12 17:58:50,143 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-12 17:58:50,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:58:50,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-12 17:58:50,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:58:51,051 INFO L134 CoverageAnalysis]: Checked inductivity of 29302 backedges. 182 proven. 273 refuted. 0 times theorem prover too weak. 28847 trivial. 0 not checked. [2024-09-12 17:58:51,052 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:58:51,972 INFO L134 CoverageAnalysis]: Checked inductivity of 29302 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 28847 trivial. 0 not checked. [2024-09-12 17:58:51,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919981428] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:58:51,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:58:51,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103, 6, 6] total 112 [2024-09-12 17:58:51,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90899841] [2024-09-12 17:58:51,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:58:51,974 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2024-09-12 17:58:51,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:58:51,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2024-09-12 17:58:51,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5691, Invalid=6965, Unknown=0, NotChecked=0, Total=12656 [2024-09-12 17:58:51,977 INFO L87 Difference]: Start difference. First operand 720 states and 721 transitions. Second operand has 113 states, 112 states have (on average 7.553571428571429) internal successors, (846), 112 states have internal predecessors, (846), 1 states have call successors, (3), 2 states have call predecessors, (3), 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 L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:07,056 INFO L93 Difference]: Finished difference Result 769 states and 772 transitions. [2024-09-12 17:59:07,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2024-09-12 17:59:07,057 INFO L78 Accepts]: Start accepts. Automaton has has 113 states, 112 states have (on average 7.553571428571429) internal successors, (846), 112 states have internal predecessors, (846), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 706 [2024-09-12 17:59:07,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:07,061 INFO L225 Difference]: With dead ends: 769 [2024-09-12 17:59:07,061 INFO L226 Difference]: Without dead ends: 731 [2024-09-12 17:59:07,075 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1817 GetRequests, 1403 SyntacticMatches, 1 SemanticMatches, 413 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59862 ImplicationChecksByTransitivity, 18.1s TimeCoverageRelationStatistics Valid=52576, Invalid=119234, Unknown=0, NotChecked=0, Total=171810 [2024-09-12 17:59:07,076 INFO L434 NwaCegarLoop]: 6 mSDtfsCounter, 493 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:07,076 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 142 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-09-12 17:59:07,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2024-09-12 17:59:07,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 729. [2024-09-12 17:59:07,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 725 states have (on average 1.0013793103448276) internal successors, (726), 725 states have internal predecessors, (726), 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 17:59:07,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 729 transitions. [2024-09-12 17:59:07,209 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 729 transitions. Word has length 706 [2024-09-12 17:59:07,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:07,210 INFO L474 AbstractCegarLoop]: Abstraction has 729 states and 729 transitions. [2024-09-12 17:59:07,210 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 112 states have (on average 7.553571428571429) internal successors, (846), 112 states have internal predecessors, (846), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:07,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:07,211 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 729 transitions. [2024-09-12 17:59:07,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2024-09-12 17:59:07,214 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:07,214 INFO L216 NwaCegarLoop]: trace histogram [94, 94, 93, 93, 93, 93, 93, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:59:07,232 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-09-12 17:59:07,414 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-09-12 17:59:07,416 INFO L399 AbstractCegarLoop]: === Iteration 37 === Targeting mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:59:07,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:07,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1841833052, now seen corresponding path program 1 times [2024-09-12 17:59:07,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:07,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189179299] [2024-09-12 17:59:07,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:07,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:15,883 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:59:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:15,888 INFO L134 CoverageAnalysis]: Checked inductivity of 30225 backedges. 0 proven. 30225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:15,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:59:15,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189179299] [2024-09-12 17:59:15,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189179299] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:59:15,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808819314] [2024-09-12 17:59:15,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:15,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:59:15,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:59:15,890 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 17:59:15,891 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-12 17:59:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:59:16,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 3032 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-09-12 17:59:16,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:59:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 30225 backedges. 0 proven. 30225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:17,012 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:59:26,189 INFO L134 CoverageAnalysis]: Checked inductivity of 30225 backedges. 0 proven. 30225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:59:26,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808819314] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:59:26,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:59:26,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 105, 105] total 211 [2024-09-12 17:59:26,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230618888] [2024-09-12 17:59:26,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:59:26,191 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 212 states [2024-09-12 17:59:26,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:59:26,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2024-09-12 17:59:26,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22157, Invalid=22575, Unknown=0, NotChecked=0, Total=44732 [2024-09-12 17:59:26,201 INFO L87 Difference]: Start difference. First operand 729 states and 729 transitions. Second operand has 212 states, 211 states have (on average 6.909952606635071) internal successors, (1458), 211 states have internal predecessors, (1458), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:35,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:59:35,541 INFO L93 Difference]: Finished difference Result 2740 states and 2845 transitions. [2024-09-12 17:59:35,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-09-12 17:59:35,541 INFO L78 Accepts]: Start accepts. Automaton has has 212 states, 211 states have (on average 6.909952606635071) internal successors, (1458), 211 states have internal predecessors, (1458), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 728 [2024-09-12 17:59:35,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:59:35,547 INFO L225 Difference]: With dead ends: 2740 [2024-09-12 17:59:35,547 INFO L226 Difference]: Without dead ends: 1479 [2024-09-12 17:59:35,550 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1571 GetRequests, 1352 SyntacticMatches, 0 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=24057, Invalid=24563, Unknown=0, NotChecked=0, Total=48620 [2024-09-12 17:59:35,550 INFO L434 NwaCegarLoop]: 7 mSDtfsCounter, 5524 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 2602 mSolverCounterSat, 518 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5524 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 3120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 518 IncrementalHoareTripleChecker+Valid, 2602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-09-12 17:59:35,550 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [5524 Valid, 445 Invalid, 3120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [518 Valid, 2602 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-09-12 17:59:35,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1479 states. [2024-09-12 17:59:35,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1479 to 1464. [2024-09-12 17:59:35,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1464 states, 1460 states have (on average 1.0006849315068493) internal successors, (1461), 1460 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 17:59:35,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 1464 transitions. [2024-09-12 17:59:35,675 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 1464 transitions. Word has length 728 [2024-09-12 17:59:35,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:59:35,676 INFO L474 AbstractCegarLoop]: Abstraction has 1464 states and 1464 transitions. [2024-09-12 17:59:35,676 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 212 states, 211 states have (on average 6.909952606635071) internal successors, (1458), 211 states have internal predecessors, (1458), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:59:35,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1464 transitions. [2024-09-12 17:59:35,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1464 [2024-09-12 17:59:35,687 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:59:35,687 INFO L216 NwaCegarLoop]: trace histogram [199, 199, 198, 198, 198, 198, 198, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:59:35,706 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-12 17:59:35,891 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-09-12 17:59:35,891 INFO L399 AbstractCegarLoop]: === Iteration 38 === Targeting mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONERROR_FUNCTION (and 59 more)] === [2024-09-12 17:59:35,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:59:35,892 INFO L85 PathProgramCache]: Analyzing trace with hash -868145669, now seen corresponding path program 2 times [2024-09-12 17:59:35,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:59:35,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625376035] [2024-09-12 17:59:35,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:59:35,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:59:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:14,995 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:00:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:00:15,009 INFO L134 CoverageAnalysis]: Checked inductivity of 137115 backedges. 0 proven. 137115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 18:00:15,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:00:15,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625376035] [2024-09-12 18:00:15,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625376035] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:00:15,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221887372] [2024-09-12 18:00:15,010 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 18:00:15,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:00:15,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:00:15,012 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:00:15,013 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-12 18:00:15,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-12 18:00:15,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 18:00:15,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-12 18:00:15,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:00:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 137115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 137115 trivial. 0 not checked. [2024-09-12 18:00:17,462 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 18:00:17,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221887372] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:00:17,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 18:00:17,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [211] total 216 [2024-09-12 18:00:17,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027662878] [2024-09-12 18:00:17,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:00:17,464 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 18:00:17,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:00:17,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 18:00:17,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22379, Invalid=24493, Unknown=0, NotChecked=0, Total=46872 [2024-09-12 18:00:17,469 INFO L87 Difference]: Start difference. First operand 1464 states and 1464 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 1 states have call successors, (2), 1 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 18:00:18,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:00:18,160 INFO L93 Difference]: Finished difference Result 1464 states and 1464 transitions. [2024-09-12 18:00:18,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-12 18:00:18,161 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 1 states have call successors, (2), 1 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 1463 [2024-09-12 18:00:18,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:00:18,166 INFO L225 Difference]: With dead ends: 1464 [2024-09-12 18:00:18,166 INFO L226 Difference]: Without dead ends: 0 [2024-09-12 18:00:18,173 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1678 GetRequests, 1459 SyntacticMatches, 0 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1048 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=22403, Invalid=26217, Unknown=0, NotChecked=0, Total=48620 [2024-09-12 18:00:18,173 INFO L434 NwaCegarLoop]: 7 mSDtfsCounter, 54 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 18:00:18,173 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 30 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 18:00:18,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-09-12 18:00:18,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-09-12 18:00:18,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-12 18:00:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-09-12 18:00:18,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1463 [2024-09-12 18:00:18,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:00:18,177 INFO L474 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-09-12 18:00:18,177 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 1 states have call successors, (2), 1 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 18:00:18,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:00:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-09-12 18:00:18,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-09-12 18:00:18,180 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 62 remaining) [2024-09-12 18:00:18,181 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 62 remaining) [2024-09-12 18:00:18,181 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr2ASSERT_VIOLATIONERROR_FUNCTION (59 of 62 remaining) [2024-09-12 18:00:18,181 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr3ASSERT_VIOLATIONERROR_FUNCTION (58 of 62 remaining) [2024-09-12 18:00:18,181 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 62 remaining) [2024-09-12 18:00:18,181 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 62 remaining) [2024-09-12 18:00:18,181 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr6ASSERT_VIOLATIONERROR_FUNCTION (55 of 62 remaining) [2024-09-12 18:00:18,182 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr7ASSERT_VIOLATIONERROR_FUNCTION (54 of 62 remaining) [2024-09-12 18:00:18,182 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr8ASSERT_VIOLATIONERROR_FUNCTION (53 of 62 remaining) [2024-09-12 18:00:18,182 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr9ASSERT_VIOLATIONERROR_FUNCTION (52 of 62 remaining) [2024-09-12 18:00:18,182 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 62 remaining) [2024-09-12 18:00:18,182 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 62 remaining) [2024-09-12 18:00:18,182 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr12ASSERT_VIOLATIONERROR_FUNCTION (49 of 62 remaining) [2024-09-12 18:00:18,182 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr13ASSERT_VIOLATIONERROR_FUNCTION (48 of 62 remaining) [2024-09-12 18:00:18,183 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr14ASSERT_VIOLATIONERROR_FUNCTION (47 of 62 remaining) [2024-09-12 18:00:18,183 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr15ASSERT_VIOLATIONERROR_FUNCTION (46 of 62 remaining) [2024-09-12 18:00:18,183 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 62 remaining) [2024-09-12 18:00:18,183 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 62 remaining) [2024-09-12 18:00:18,183 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr18ASSERT_VIOLATIONERROR_FUNCTION (43 of 62 remaining) [2024-09-12 18:00:18,183 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr19ASSERT_VIOLATIONERROR_FUNCTION (42 of 62 remaining) [2024-09-12 18:00:18,183 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 62 remaining) [2024-09-12 18:00:18,183 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 62 remaining) [2024-09-12 18:00:18,184 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 62 remaining) [2024-09-12 18:00:18,184 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 62 remaining) [2024-09-12 18:00:18,184 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 62 remaining) [2024-09-12 18:00:18,184 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 62 remaining) [2024-09-12 18:00:18,184 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 62 remaining) [2024-09-12 18:00:18,184 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 62 remaining) [2024-09-12 18:00:18,184 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 62 remaining) [2024-09-12 18:00:18,185 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 62 remaining) [2024-09-12 18:00:18,185 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 62 remaining) [2024-09-12 18:00:18,185 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 62 remaining) [2024-09-12 18:00:18,185 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 62 remaining) [2024-09-12 18:00:18,185 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 62 remaining) [2024-09-12 18:00:18,185 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 62 remaining) [2024-09-12 18:00:18,185 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 62 remaining) [2024-09-12 18:00:18,186 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 62 remaining) [2024-09-12 18:00:18,186 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 62 remaining) [2024-09-12 18:00:18,186 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 62 remaining) [2024-09-12 18:00:18,186 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 62 remaining) [2024-09-12 18:00:18,186 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 62 remaining) [2024-09-12 18:00:18,186 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 62 remaining) [2024-09-12 18:00:18,186 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 62 remaining) [2024-09-12 18:00:18,186 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 62 remaining) [2024-09-12 18:00:18,187 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 62 remaining) [2024-09-12 18:00:18,187 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 62 remaining) [2024-09-12 18:00:18,187 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 62 remaining) [2024-09-12 18:00:18,187 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 62 remaining) [2024-09-12 18:00:18,187 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 62 remaining) [2024-09-12 18:00:18,187 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 62 remaining) [2024-09-12 18:00:18,187 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 62 remaining) [2024-09-12 18:00:18,187 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 62 remaining) [2024-09-12 18:00:18,188 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 62 remaining) [2024-09-12 18:00:18,188 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 62 remaining) [2024-09-12 18:00:18,188 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr54ASSERT_VIOLATIONERROR_FUNCTION (7 of 62 remaining) [2024-09-12 18:00:18,188 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr55ASSERT_VIOLATIONERROR_FUNCTION (6 of 62 remaining) [2024-09-12 18:00:18,188 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 62 remaining) [2024-09-12 18:00:18,188 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 62 remaining) [2024-09-12 18:00:18,188 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr58ASSERT_VIOLATIONERROR_FUNCTION (3 of 62 remaining) [2024-09-12 18:00:18,188 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr59ASSERT_VIOLATIONERROR_FUNCTION (2 of 62 remaining) [2024-09-12 18:00:18,188 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 62 remaining) [2024-09-12 18:00:18,189 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 62 remaining) [2024-09-12 18:00:18,215 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-09-12 18:00:18,389 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,9 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:00:18,393 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:00:18,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-09-12 18:00:46,192 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 523 DAG size of output: 458 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-09-12 18:01:24,234 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-12 18:01:24,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.09 06:01:24 BoogieIcfgContainer [2024-09-12 18:01:24,254 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-12 18:01:24,255 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-09-12 18:01:24,255 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-09-12 18:01:24,255 INFO L274 PluginConnector]: Witness Printer initialized [2024-09-12 18:01:24,255 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 05:58:03" (3/4) ... [2024-09-12 18:01:24,257 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-09-12 18:01:24,261 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2024-09-12 18:01:24,261 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2024-09-12 18:01:24,272 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-09-12 18:01:24,273 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-09-12 18:01:24,274 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-09-12 18:01:24,275 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-09-12 18:01:24,402 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.graphml [2024-09-12 18:01:24,402 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-09-12 18:01:24,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-09-12 18:01:24,403 INFO L158 Benchmark]: Toolchain (without parser) took 202174.27ms. Allocated memory was 96.5MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 73.5MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 469.9MB. Max. memory is 16.1GB. [2024-09-12 18:01:24,403 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 18:01:24,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.82ms. Allocated memory is still 96.5MB. Free memory was 73.4MB in the beginning and 74.6MB in the end (delta: -1.2MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2024-09-12 18:01:24,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.15ms. Allocated memory is still 96.5MB. Free memory was 74.6MB in the beginning and 73.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 18:01:24,403 INFO L158 Benchmark]: Boogie Preprocessor took 54.47ms. Allocated memory is still 96.5MB. Free memory was 73.2MB in the beginning and 69.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 18:01:24,404 INFO L158 Benchmark]: RCFGBuilder took 579.01ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 69.6MB in the beginning and 91.2MB in the end (delta: -21.6MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-09-12 18:01:24,404 INFO L158 Benchmark]: TraceAbstraction took 200966.11ms. Allocated memory was 130.0MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 90.5MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-09-12 18:01:24,404 INFO L158 Benchmark]: Witness Printer took 147.61ms. Allocated memory is still 2.2GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 18:01:24,406 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.82ms. Allocated memory is still 96.5MB. Free memory was 73.4MB in the beginning and 74.6MB in the end (delta: -1.2MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.15ms. Allocated memory is still 96.5MB. Free memory was 74.6MB in the beginning and 73.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.47ms. Allocated memory is still 96.5MB. Free memory was 73.2MB in the beginning and 69.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 579.01ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 69.6MB in the beginning and 91.2MB in the end (delta: -21.6MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * TraceAbstraction took 200966.11ms. Allocated memory was 130.0MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 90.5MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 147.61ms. Allocated memory is still 2.2GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 48]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 117]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 145]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 157]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 163]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 163]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 173]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 185]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 207]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 219]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 225]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 225]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 257]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 269]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 316]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 316]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 350]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 350]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 384]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 384]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 418]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 418]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 452]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 452]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 486]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 486]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 520]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 520]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 656]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 656]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 690]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 690]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 724]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 724]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 792]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 792]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 826]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 826]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 860]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 860]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 883]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 895]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 901]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 901]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 919]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 931]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 937]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 937]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 216 locations, 62 error locations. Started 1 CEGAR loops. OverallTime: 135.0s, OverallIterations: 38, TraceHistogramMax: 199, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 45.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22873 SdHoareTripleChecker+Valid, 14.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22873 mSDsluCounter, 5142 SdHoareTripleChecker+Invalid, 11.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3917 mSDsCounter, 2647 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25598 IncrementalHoareTripleChecker+Invalid, 28245 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2647 mSolverCounterUnsat, 1225 mSDtfsCounter, 25598 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8045 GetRequests, 6413 SyntacticMatches, 4 SemanticMatches, 1628 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80279 ImplicationChecksByTransitivity, 59.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1464occurred in iteration=37, InterpolantAutomatonStates: 1204, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 38 MinimizatonAttempts, 68 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 81.9s InterpolantComputationTime, 9319 NumberOfCodeBlocks, 6771 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 11614 ConstructedInterpolants, 0 QuantifiedInterpolants, 35251 SizeOfPredicates, 6 NumberOfNonLiveVariables, 6747 ConjunctsInSsa, 228 ConjunctsInUnsatCore, 52 InterpolantComputations, 32 PerfectInterpolantSequences, 204725/488274 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 62 specifications checked. All of them hold - InvariantResult [Line: 132]: Location Invariant Derived location invariant: (((((((((((6 <= main__tagbuf_len) && (5 == main__t)) && (main__tagbuf_len <= 2147483646)) || (((3 == main__t) && (4 <= main__tagbuf_len)) && (main__tagbuf_len <= 2147483646))) || (((main__tagbuf_len <= 2147483646) && (5 <= main__tagbuf_len)) && (4 == main__t))) || (((6 == main__t) && (main__tagbuf_len <= 2147483646)) && (7 <= main__tagbuf_len))) || (((3 <= main__tagbuf_len) && (2 == main__t)) && (main__tagbuf_len <= 2147483646))) || (((main__t == 1) && (2 <= main__tagbuf_len)) && (main__tagbuf_len <= 2147483646))) || (((main__tagbuf_len <= 2147483646) && (8 <= main__tagbuf_len)) && (7 == main__t))) || (((((long long) main__t + 1) <= main__tagbuf_len) && (9 <= main__t)) && (main__tagbuf_len <= 2147483646))) || (((8 == main__t) && (9 <= main__tagbuf_len)) && (main__tagbuf_len <= 2147483646))) - InvariantResult [Line: 65]: Location Invariant Derived location invariant: (((((((((((4 <= main__tagbuf_len) && (main__tagbuf_len <= 2147483646)) && (4 == main__t)) || (((3 <= main__tagbuf_len) && (3 == main__t)) && (main__tagbuf_len <= 2147483646))) || (((5 == main__t) && (main__tagbuf_len <= 2147483646)) && (5 <= main__tagbuf_len))) || (((1 <= main__tagbuf_len) && (main__t == 1)) && (main__tagbuf_len <= 2147483646))) || (((8 == main__t) && (main__tagbuf_len <= 2147483646)) && (8 <= main__tagbuf_len))) || (((2 == main__t) && (2 <= main__tagbuf_len)) && (main__tagbuf_len <= 2147483646))) || (((main__tagbuf_len <= 2147483646) && (7 <= main__tagbuf_len)) && (7 == main__t))) || (((6 <= main__tagbuf_len) && (6 == main__t)) && (main__tagbuf_len <= 2147483646))) || (((9 <= main__t) && (main__tagbuf_len <= 2147483646)) && (main__t <= main__tagbuf_len))) - InvariantResult [Line: 858]: Location Invariant Derived location invariant: (((9 <= main__t) && (main__tagbuf_len <= 2147483646)) && (main__t <= main__tagbuf_len)) - InvariantResult [Line: 26]: Location Invariant Derived location invariant: (((0 <= main__t) && (main__tagbuf_len <= 2147483647)) && (main__t <= main__tagbuf_len)) - InvariantResult [Line: 22]: Location Invariant Derived location invariant: 1 RESULT: Ultimate proved your program to be correct! [2024-09-12 18:01:24,471 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE