/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 09:46:01,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 09:46:01,434 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 09:46:01,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 09:46:01,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 09:46:01,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 09:46:01,462 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 09:46:01,462 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 09:46:01,462 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 09:46:01,468 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 09:46:01,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 09:46:01,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 09:46:01,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 09:46:01,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 09:46:01,469 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 09:46:01,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 09:46:01,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 09:46:01,470 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 09:46:01,470 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 09:46:01,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 09:46:01,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 09:46:01,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 09:46:01,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 09:46:01,472 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 09:46:01,472 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 09:46:01,472 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 09:46:01,473 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 09:46:01,473 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 09:46:01,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 09:46:01,473 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 09:46:01,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 09:46:01,474 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 09:46:01,474 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 09:46:01,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 09:46:01,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 09:46:01,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 09:46:01,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 09:46:01,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 09:46:01,475 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 09:46:01,475 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 09:46:01,475 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 09:46:01,475 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 09:46:01,475 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 09:46:01,475 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 09:46:01,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 09:46:01,476 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 09:46:01,476 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 09:46:01,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 09:46:01,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 09:46:01,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 09:46:01,661 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 09:46:01,662 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 09:46:01,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2023-12-25 09:46:02,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 09:46:03,206 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 09:46:03,206 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2023-12-25 09:46:03,262 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f255d8ea/3e3bdad49bc84d288a2763911c4a1caf/FLAG9d77dd177 [2023-12-25 09:46:03,278 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f255d8ea/3e3bdad49bc84d288a2763911c4a1caf [2023-12-25 09:46:03,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 09:46:03,281 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 09:46:03,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 09:46:03,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 09:46:03,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 09:46:03,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 09:46:03" (1/1) ... [2023-12-25 09:46:03,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ab24bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:46:03, skipping insertion in model container [2023-12-25 09:46:03,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 09:46:03" (1/1) ... [2023-12-25 09:46:03,521 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 09:46:04,127 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[93880,93893] [2023-12-25 09:46:04,202 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[127977,127990] [2023-12-25 09:46:04,302 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[184673,184686] [2023-12-25 09:46:04,365 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[220032,220045] [2023-12-25 09:46:04,380 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[229801,229814] [2023-12-25 09:46:04,385 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[232051,232064] [2023-12-25 09:46:04,411 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[249702,249715] [2023-12-25 09:46:04,425 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[257723,257736] [2023-12-25 09:46:04,487 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[288453,288466] [2023-12-25 09:46:04,531 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[318193,318206] [2023-12-25 09:46:04,652 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[406252,406265] [2023-12-25 09:46:04,678 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[425331,425344] [2023-12-25 09:46:04,706 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[445911,445924] [2023-12-25 09:46:04,717 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[453486,453499] [2023-12-25 09:46:04,722 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[457284,457297] [2023-12-25 09:46:04,742 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[472883,472896] [2023-12-25 09:46:04,771 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[488771,488784] [2023-12-25 09:46:04,816 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[523323,523336] [2023-12-25 09:46:04,928 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[617972,617985] [2023-12-25 09:46:05,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 09:46:05,106 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 09:46:05,283 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[93880,93893] [2023-12-25 09:46:05,324 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[127977,127990] [2023-12-25 09:46:05,394 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[184673,184686] [2023-12-25 09:46:05,437 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[220032,220045] [2023-12-25 09:46:05,450 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[229801,229814] [2023-12-25 09:46:05,454 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[232051,232064] [2023-12-25 09:46:05,476 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[249702,249715] [2023-12-25 09:46:05,487 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[257723,257736] [2023-12-25 09:46:05,524 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[288453,288466] [2023-12-25 09:46:05,560 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[318193,318206] [2023-12-25 09:46:05,661 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[406252,406265] [2023-12-25 09:46:05,683 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[425331,425344] [2023-12-25 09:46:05,707 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[445911,445924] [2023-12-25 09:46:05,718 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[453486,453499] [2023-12-25 09:46:05,724 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[457284,457297] [2023-12-25 09:46:05,743 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[472883,472896] [2023-12-25 09:46:05,762 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[488771,488784] [2023-12-25 09:46:05,808 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[523323,523336] [2023-12-25 09:46:05,950 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[617972,617985] [2023-12-25 09:46:06,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 09:46:06,095 INFO L206 MainTranslator]: Completed translation [2023-12-25 09:46:06,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:46:06 WrapperNode [2023-12-25 09:46:06,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 09:46:06,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 09:46:06,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 09:46:06,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 09:46:06,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:46:06" (1/1) ... [2023-12-25 09:46:06,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:46:06" (1/1) ... [2023-12-25 09:46:06,438 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31866 [2023-12-25 09:46:06,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 09:46:06,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 09:46:06,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 09:46:06,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 09:46:06,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:46:06" (1/1) ... [2023-12-25 09:46:06,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:46:06" (1/1) ... [2023-12-25 09:46:06,506 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:46:06" (1/1) ... [2023-12-25 09:46:06,719 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-25 09:46:06,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:46:06" (1/1) ... [2023-12-25 09:46:06,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:46:06" (1/1) ... [2023-12-25 09:46:06,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:46:06" (1/1) ... [2023-12-25 09:46:06,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:46:06" (1/1) ... [2023-12-25 09:46:07,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:46:06" (1/1) ... [2023-12-25 09:46:07,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:46:06" (1/1) ... [2023-12-25 09:46:07,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 09:46:07,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 09:46:07,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 09:46:07,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 09:46:07,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:46:06" (1/1) ... [2023-12-25 09:46:07,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 09:46:07,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 09:46:07,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 09:46:07,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 09:46:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 09:46:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 09:46:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 09:46:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 09:46:07,795 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 09:46:07,797 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 09:46:18,029 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 09:46:18,182 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 09:46:18,183 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-25 09:46:18,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 09:46:18 BoogieIcfgContainer [2023-12-25 09:46:18,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 09:46:18,185 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 09:46:18,185 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 09:46:18,188 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 09:46:18,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 09:46:03" (1/3) ... [2023-12-25 09:46:18,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d74e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 09:46:18, skipping insertion in model container [2023-12-25 09:46:18,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 09:46:06" (2/3) ... [2023-12-25 09:46:18,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d74e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 09:46:18, skipping insertion in model container [2023-12-25 09:46:18,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 09:46:18" (3/3) ... [2023-12-25 09:46:18,190 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2023-12-25 09:46:18,202 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 09:46:18,202 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2023-12-25 09:46:18,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 09:46:18,315 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1ff30806, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 09:46:18,316 INFO L358 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2023-12-25 09:46:18,337 INFO L276 IsEmpty]: Start isEmpty. Operand has 6344 states, 6324 states have (on average 1.776091081593928) internal successors, (11232), 6343 states have internal predecessors, (11232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:18,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-25 09:46:18,375 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:46:18,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:46:18,377 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:46:18,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:46:18,383 INFO L85 PathProgramCache]: Analyzing trace with hash 556941127, now seen corresponding path program 1 times [2023-12-25 09:46:18,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:46:18,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1982869383] [2023-12-25 09:46:18,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:46:18,399 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:46:18,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:46:18,402 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:46:18,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 09:46:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:46:19,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 09:46:19,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:46:19,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:46:19,617 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:46:19,618 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:46:19,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1982869383] [2023-12-25 09:46:19,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1982869383] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:46:19,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:46:19,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 09:46:19,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243666520] [2023-12-25 09:46:19,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:46:19,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 09:46:19,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:46:19,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 09:46:19,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:46:19,669 INFO L87 Difference]: Start difference. First operand has 6344 states, 6324 states have (on average 1.776091081593928) internal successors, (11232), 6343 states have internal predecessors, (11232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:25,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:46:25,079 INFO L93 Difference]: Finished difference Result 9404 states and 16406 transitions. [2023-12-25 09:46:25,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 09:46:25,082 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2023-12-25 09:46:25,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:46:25,116 INFO L225 Difference]: With dead ends: 9404 [2023-12-25 09:46:25,116 INFO L226 Difference]: Without dead ends: 5983 [2023-12-25 09:46:25,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 09:46:25,133 INFO L413 NwaCegarLoop]: 4923 mSDtfsCounter, 29372 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 4536 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29372 SdHoareTripleChecker+Valid, 5946 SdHoareTripleChecker+Invalid, 4597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 4536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-12-25 09:46:25,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29372 Valid, 5946 Invalid, 4597 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [61 Valid, 4536 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-12-25 09:46:25,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5983 states. [2023-12-25 09:46:25,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5983 to 5950. [2023-12-25 09:46:25,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5950 states, 5931 states have (on average 1.2955656718934412) internal successors, (7684), 5949 states have internal predecessors, (7684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:25,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5950 states to 5950 states and 7684 transitions. [2023-12-25 09:46:25,305 INFO L78 Accepts]: Start accepts. Automaton has 5950 states and 7684 transitions. Word has length 77 [2023-12-25 09:46:25,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:46:25,307 INFO L495 AbstractCegarLoop]: Abstraction has 5950 states and 7684 transitions. [2023-12-25 09:46:25,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:25,307 INFO L276 IsEmpty]: Start isEmpty. Operand 5950 states and 7684 transitions. [2023-12-25 09:46:25,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-25 09:46:25,320 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:46:25,320 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:46:25,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-25 09:46:25,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:46:25,527 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:46:25,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:46:25,528 INFO L85 PathProgramCache]: Analyzing trace with hash 129891559, now seen corresponding path program 1 times [2023-12-25 09:46:25,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:46:25,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [814578107] [2023-12-25 09:46:25,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:46:25,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:46:25,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:46:25,530 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:46:25,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 09:46:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:46:26,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 09:46:26,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:46:26,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:46:26,422 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:46:26,422 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:46:26,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [814578107] [2023-12-25 09:46:26,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [814578107] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:46:26,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:46:26,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 09:46:26,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728836516] [2023-12-25 09:46:26,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:46:26,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 09:46:26,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:46:26,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 09:46:26,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:46:26,425 INFO L87 Difference]: Start difference. First operand 5950 states and 7684 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:31,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:46:31,568 INFO L93 Difference]: Finished difference Result 11856 states and 15470 transitions. [2023-12-25 09:46:31,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 09:46:31,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-25 09:46:31,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:46:31,591 INFO L225 Difference]: With dead ends: 11856 [2023-12-25 09:46:31,592 INFO L226 Difference]: Without dead ends: 7977 [2023-12-25 09:46:31,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 09:46:31,599 INFO L413 NwaCegarLoop]: 3084 mSDtfsCounter, 23493 mSDsluCounter, 1026 mSDsCounter, 0 mSdLazyCounter, 4551 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23493 SdHoareTripleChecker+Valid, 4110 SdHoareTripleChecker+Invalid, 4620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 4551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:46:31,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23493 Valid, 4110 Invalid, 4620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 4551 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-12-25 09:46:31,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7977 states. [2023-12-25 09:46:31,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7977 to 7953. [2023-12-25 09:46:31,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7953 states, 7934 states have (on average 1.2995966725485253) internal successors, (10311), 7952 states have internal predecessors, (10311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:31,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7953 states to 7953 states and 10311 transitions. [2023-12-25 09:46:31,740 INFO L78 Accepts]: Start accepts. Automaton has 7953 states and 10311 transitions. Word has length 78 [2023-12-25 09:46:31,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:46:31,740 INFO L495 AbstractCegarLoop]: Abstraction has 7953 states and 10311 transitions. [2023-12-25 09:46:31,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:31,741 INFO L276 IsEmpty]: Start isEmpty. Operand 7953 states and 10311 transitions. [2023-12-25 09:46:31,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-25 09:46:31,753 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:46:31,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:46:31,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-25 09:46:31,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:46:31,959 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:46:31,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:46:31,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1156596950, now seen corresponding path program 1 times [2023-12-25 09:46:31,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:46:31,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412035106] [2023-12-25 09:46:31,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:46:31,960 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:46:31,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:46:31,962 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:46:31,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-25 09:46:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:46:32,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 09:46:32,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:46:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:46:32,825 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:46:32,825 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:46:32,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412035106] [2023-12-25 09:46:32,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [412035106] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:46:32,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:46:32,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 09:46:32,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689470341] [2023-12-25 09:46:32,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:46:32,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 09:46:32,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:46:32,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 09:46:32,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:46:32,827 INFO L87 Difference]: Start difference. First operand 7953 states and 10311 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:36,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:46:36,421 INFO L93 Difference]: Finished difference Result 13549 states and 17554 transitions. [2023-12-25 09:46:36,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 09:46:36,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-12-25 09:46:36,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:46:36,440 INFO L225 Difference]: With dead ends: 13549 [2023-12-25 09:46:36,440 INFO L226 Difference]: Without dead ends: 8759 [2023-12-25 09:46:36,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 09:46:36,446 INFO L413 NwaCegarLoop]: 2514 mSDtfsCounter, 11440 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 3232 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11440 SdHoareTripleChecker+Valid, 3294 SdHoareTripleChecker+Invalid, 3272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 3232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-25 09:46:36,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11440 Valid, 3294 Invalid, 3272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 3232 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-25 09:46:36,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8759 states. [2023-12-25 09:46:36,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8759 to 8728. [2023-12-25 09:46:36,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8728 states, 8709 states have (on average 1.3042829257090367) internal successors, (11359), 8727 states have internal predecessors, (11359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:36,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8728 states to 8728 states and 11359 transitions. [2023-12-25 09:46:36,593 INFO L78 Accepts]: Start accepts. Automaton has 8728 states and 11359 transitions. Word has length 79 [2023-12-25 09:46:36,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:46:36,594 INFO L495 AbstractCegarLoop]: Abstraction has 8728 states and 11359 transitions. [2023-12-25 09:46:36,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:36,594 INFO L276 IsEmpty]: Start isEmpty. Operand 8728 states and 11359 transitions. [2023-12-25 09:46:36,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-25 09:46:36,605 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:46:36,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:46:36,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-25 09:46:36,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:46:36,811 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:46:36,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:46:36,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1538274182, now seen corresponding path program 1 times [2023-12-25 09:46:36,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:46:36,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780002588] [2023-12-25 09:46:36,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:46:36,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:46:36,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:46:36,814 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:46:36,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 09:46:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:46:37,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:46:37,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:46:37,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:46:37,940 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:46:37,940 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:46:37,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780002588] [2023-12-25 09:46:37,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780002588] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:46:37,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:46:37,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:46:37,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512013203] [2023-12-25 09:46:37,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:46:37,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:46:37,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:46:37,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:46:37,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:46:37,942 INFO L87 Difference]: Start difference. First operand 8728 states and 11359 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:49,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:46:49,400 INFO L93 Difference]: Finished difference Result 8782 states and 11410 transitions. [2023-12-25 09:46:49,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 09:46:49,400 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-12-25 09:46:49,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:46:49,421 INFO L225 Difference]: With dead ends: 8782 [2023-12-25 09:46:49,421 INFO L226 Difference]: Without dead ends: 8776 [2023-12-25 09:46:49,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2023-12-25 09:46:49,425 INFO L413 NwaCegarLoop]: 2522 mSDtfsCounter, 18626 mSDsluCounter, 7809 mSDsCounter, 0 mSdLazyCounter, 10274 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18626 SdHoareTripleChecker+Valid, 10331 SdHoareTripleChecker+Invalid, 10334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 10274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:46:49,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18626 Valid, 10331 Invalid, 10334 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [60 Valid, 10274 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2023-12-25 09:46:49,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8776 states. [2023-12-25 09:46:49,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8776 to 8728. [2023-12-25 09:46:49,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8728 states, 8709 states have (on average 1.304168101963486) internal successors, (11358), 8727 states have internal predecessors, (11358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:49,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8728 states to 8728 states and 11358 transitions. [2023-12-25 09:46:49,548 INFO L78 Accepts]: Start accepts. Automaton has 8728 states and 11358 transitions. Word has length 79 [2023-12-25 09:46:49,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:46:49,550 INFO L495 AbstractCegarLoop]: Abstraction has 8728 states and 11358 transitions. [2023-12-25 09:46:49,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:49,550 INFO L276 IsEmpty]: Start isEmpty. Operand 8728 states and 11358 transitions. [2023-12-25 09:46:49,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-25 09:46:49,558 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:46:49,558 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:46:49,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-25 09:46:49,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:46:49,767 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:46:49,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:46:49,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1754287208, now seen corresponding path program 1 times [2023-12-25 09:46:49,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:46:49,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [484302804] [2023-12-25 09:46:49,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:46:49,769 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:46:49,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:46:49,770 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:46:49,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-25 09:46:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:46:50,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 09:46:50,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:46:50,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:46:50,609 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:46:50,609 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:46:50,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [484302804] [2023-12-25 09:46:50,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [484302804] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:46:50,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:46:50,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 09:46:50,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497366604] [2023-12-25 09:46:50,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:46:50,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 09:46:50,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:46:50,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 09:46:50,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:46:50,611 INFO L87 Difference]: Start difference. First operand 8728 states and 11358 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:53,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:46:53,711 INFO L93 Difference]: Finished difference Result 16463 states and 21505 transitions. [2023-12-25 09:46:53,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 09:46:53,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-12-25 09:46:53,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:46:53,729 INFO L225 Difference]: With dead ends: 16463 [2023-12-25 09:46:53,729 INFO L226 Difference]: Without dead ends: 11329 [2023-12-25 09:46:53,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 09:46:53,739 INFO L413 NwaCegarLoop]: 2198 mSDtfsCounter, 10000 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 2855 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10000 SdHoareTripleChecker+Valid, 2968 SdHoareTripleChecker+Invalid, 2903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:46:53,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10000 Valid, 2968 Invalid, 2903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 2855 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 09:46:53,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11329 states. [2023-12-25 09:46:53,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11329 to 11309. [2023-12-25 09:46:53,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11309 states, 11290 states have (on average 1.3080602302922941) internal successors, (14768), 11308 states have internal predecessors, (14768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11309 states to 11309 states and 14768 transitions. [2023-12-25 09:46:53,891 INFO L78 Accepts]: Start accepts. Automaton has 11309 states and 14768 transitions. Word has length 79 [2023-12-25 09:46:53,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:46:53,891 INFO L495 AbstractCegarLoop]: Abstraction has 11309 states and 14768 transitions. [2023-12-25 09:46:53,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:53,892 INFO L276 IsEmpty]: Start isEmpty. Operand 11309 states and 14768 transitions. [2023-12-25 09:46:53,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-25 09:46:53,902 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:46:53,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:46:53,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-25 09:46:54,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:46:54,113 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:46:54,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:46:54,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1448863563, now seen corresponding path program 1 times [2023-12-25 09:46:54,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:46:54,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1454591053] [2023-12-25 09:46:54,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:46:54,114 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:46:54,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:46:54,115 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:46:54,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-25 09:46:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:46:54,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 09:46:54,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:46:54,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:46:54,981 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:46:54,981 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:46:54,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1454591053] [2023-12-25 09:46:54,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1454591053] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:46:54,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:46:54,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 09:46:54,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610695717] [2023-12-25 09:46:54,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:46:54,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 09:46:54,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:46:54,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 09:46:54,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 09:46:54,983 INFO L87 Difference]: Start difference. First operand 11309 states and 14768 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:57,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:46:57,875 INFO L93 Difference]: Finished difference Result 24677 states and 32298 transitions. [2023-12-25 09:46:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 09:46:57,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-12-25 09:46:57,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:46:57,905 INFO L225 Difference]: With dead ends: 24677 [2023-12-25 09:46:57,905 INFO L226 Difference]: Without dead ends: 16065 [2023-12-25 09:46:57,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 09:46:57,918 INFO L413 NwaCegarLoop]: 2083 mSDtfsCounter, 14636 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 2636 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14636 SdHoareTripleChecker+Valid, 2818 SdHoareTripleChecker+Invalid, 2742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 2636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-25 09:46:57,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14636 Valid, 2818 Invalid, 2742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 2636 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-25 09:46:57,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16065 states. [2023-12-25 09:46:58,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16065 to 16037. [2023-12-25 09:46:58,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16037 states, 16018 states have (on average 1.2916094393806967) internal successors, (20689), 16036 states have internal predecessors, (20689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:58,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16037 states to 16037 states and 20689 transitions. [2023-12-25 09:46:58,175 INFO L78 Accepts]: Start accepts. Automaton has 16037 states and 20689 transitions. Word has length 79 [2023-12-25 09:46:58,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:46:58,176 INFO L495 AbstractCegarLoop]: Abstraction has 16037 states and 20689 transitions. [2023-12-25 09:46:58,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:46:58,177 INFO L276 IsEmpty]: Start isEmpty. Operand 16037 states and 20689 transitions. [2023-12-25 09:46:58,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-25 09:46:58,185 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:46:58,185 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:46:58,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-25 09:46:58,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:46:58,391 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:46:58,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:46:58,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1852629809, now seen corresponding path program 1 times [2023-12-25 09:46:58,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:46:58,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1060403755] [2023-12-25 09:46:58,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:46:58,392 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:46:58,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:46:58,394 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:46:58,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-25 09:46:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:46:59,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-25 09:46:59,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:47:00,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:47:00,110 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:47:00,110 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:47:00,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1060403755] [2023-12-25 09:47:00,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1060403755] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:47:00,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:47:00,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-25 09:47:00,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706757275] [2023-12-25 09:47:00,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:47:00,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-25 09:47:00,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:47:00,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-25 09:47:00,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-12-25 09:47:00,115 INFO L87 Difference]: Start difference. First operand 16037 states and 20689 transitions. Second operand has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:06,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:47:06,179 INFO L93 Difference]: Finished difference Result 39132 states and 51367 transitions. [2023-12-25 09:47:06,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-25 09:47:06,180 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-25 09:47:06,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:47:06,220 INFO L225 Difference]: With dead ends: 39132 [2023-12-25 09:47:06,220 INFO L226 Difference]: Without dead ends: 24302 [2023-12-25 09:47:06,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2023-12-25 09:47:06,241 INFO L413 NwaCegarLoop]: 3835 mSDtfsCounter, 23536 mSDsluCounter, 23102 mSDsCounter, 0 mSdLazyCounter, 3961 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23536 SdHoareTripleChecker+Valid, 26937 SdHoareTripleChecker+Invalid, 4007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 3961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-12-25 09:47:06,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23536 Valid, 26937 Invalid, 4007 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [46 Valid, 3961 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-12-25 09:47:06,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24302 states. [2023-12-25 09:47:06,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24302 to 23503. [2023-12-25 09:47:06,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23503 states, 23485 states have (on average 1.3121992761337025) internal successors, (30817), 23502 states have internal predecessors, (30817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:06,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23503 states to 23503 states and 30817 transitions. [2023-12-25 09:47:06,561 INFO L78 Accepts]: Start accepts. Automaton has 23503 states and 30817 transitions. Word has length 80 [2023-12-25 09:47:06,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:47:06,562 INFO L495 AbstractCegarLoop]: Abstraction has 23503 states and 30817 transitions. [2023-12-25 09:47:06,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:06,562 INFO L276 IsEmpty]: Start isEmpty. Operand 23503 states and 30817 transitions. [2023-12-25 09:47:06,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-25 09:47:06,572 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:47:06,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:47:06,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-25 09:47:06,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:47:06,781 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:47:06,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:47:06,781 INFO L85 PathProgramCache]: Analyzing trace with hash 345318540, now seen corresponding path program 1 times [2023-12-25 09:47:06,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:47:06,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898591522] [2023-12-25 09:47:06,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:47:06,782 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:47:06,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:47:06,783 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:47:06,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-25 09:47:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:47:07,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:47:07,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:47:07,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:47:07,701 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:47:07,701 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:47:07,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898591522] [2023-12-25 09:47:07,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898591522] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:47:07,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:47:07,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 09:47:07,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905848560] [2023-12-25 09:47:07,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:47:07,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 09:47:07,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:47:07,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 09:47:07,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 09:47:07,703 INFO L87 Difference]: Start difference. First operand 23503 states and 30817 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:20,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:47:20,197 INFO L93 Difference]: Finished difference Result 38003 states and 52523 transitions. [2023-12-25 09:47:20,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 09:47:20,197 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-25 09:47:20,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:47:20,240 INFO L225 Difference]: With dead ends: 38003 [2023-12-25 09:47:20,241 INFO L226 Difference]: Without dead ends: 30772 [2023-12-25 09:47:20,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2023-12-25 09:47:20,258 INFO L413 NwaCegarLoop]: 2176 mSDtfsCounter, 15199 mSDsluCounter, 9107 mSDsCounter, 0 mSdLazyCounter, 11661 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15199 SdHoareTripleChecker+Valid, 11283 SdHoareTripleChecker+Invalid, 11720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 11661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2023-12-25 09:47:20,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15199 Valid, 11283 Invalid, 11720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [59 Valid, 11661 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2023-12-25 09:47:20,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30772 states. [2023-12-25 09:47:20,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30772 to 23510. [2023-12-25 09:47:20,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23510 states, 23492 states have (on average 1.312106248935808) internal successors, (30824), 23509 states have internal predecessors, (30824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:20,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23510 states to 23510 states and 30824 transitions. [2023-12-25 09:47:20,729 INFO L78 Accepts]: Start accepts. Automaton has 23510 states and 30824 transitions. Word has length 80 [2023-12-25 09:47:20,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:47:20,729 INFO L495 AbstractCegarLoop]: Abstraction has 23510 states and 30824 transitions. [2023-12-25 09:47:20,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:20,729 INFO L276 IsEmpty]: Start isEmpty. Operand 23510 states and 30824 transitions. [2023-12-25 09:47:20,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-25 09:47:20,739 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:47:20,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:47:20,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-12-25 09:47:20,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:47:20,944 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:47:20,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:47:20,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1417764063, now seen corresponding path program 1 times [2023-12-25 09:47:20,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:47:20,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [983095534] [2023-12-25 09:47:20,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:47:20,946 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:47:20,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:47:20,947 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:47:20,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-25 09:47:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:47:21,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 09:47:21,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:47:21,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:47:21,571 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:47:21,572 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:47:21,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [983095534] [2023-12-25 09:47:21,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [983095534] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:47:21,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:47:21,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 09:47:21,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172679677] [2023-12-25 09:47:21,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:47:21,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 09:47:21,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:47:21,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 09:47:21,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:47:21,573 INFO L87 Difference]: Start difference. First operand 23510 states and 30824 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:22,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:47:22,191 INFO L93 Difference]: Finished difference Result 48524 states and 64356 transitions. [2023-12-25 09:47:22,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 09:47:22,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-12-25 09:47:22,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:47:22,235 INFO L225 Difference]: With dead ends: 48524 [2023-12-25 09:47:22,235 INFO L226 Difference]: Without dead ends: 29659 [2023-12-25 09:47:22,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:47:22,262 INFO L413 NwaCegarLoop]: 3847 mSDtfsCounter, 3890 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3890 SdHoareTripleChecker+Valid, 4864 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 09:47:22,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3890 Valid, 4864 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 09:47:22,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29659 states. [2023-12-25 09:47:22,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29659 to 29630. [2023-12-25 09:47:22,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29630 states, 29612 states have (on average 1.312339592057274) internal successors, (38861), 29629 states have internal predecessors, (38861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:22,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29630 states to 29630 states and 38861 transitions. [2023-12-25 09:47:22,648 INFO L78 Accepts]: Start accepts. Automaton has 29630 states and 38861 transitions. Word has length 81 [2023-12-25 09:47:22,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:47:22,648 INFO L495 AbstractCegarLoop]: Abstraction has 29630 states and 38861 transitions. [2023-12-25 09:47:22,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:22,648 INFO L276 IsEmpty]: Start isEmpty. Operand 29630 states and 38861 transitions. [2023-12-25 09:47:22,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-25 09:47:22,659 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:47:22,659 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:47:22,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-25 09:47:22,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:47:22,861 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:47:22,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:47:22,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1047514158, now seen corresponding path program 1 times [2023-12-25 09:47:22,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:47:22,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479632154] [2023-12-25 09:47:22,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:47:22,862 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:47:22,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:47:22,863 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:47:22,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-25 09:47:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:47:23,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 09:47:23,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:47:23,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:47:23,967 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:47:23,967 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:47:23,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1479632154] [2023-12-25 09:47:23,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1479632154] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:47:23,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:47:23,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 09:47:23,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61270833] [2023-12-25 09:47:23,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:47:23,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 09:47:23,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:47:23,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 09:47:23,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-25 09:47:23,968 INFO L87 Difference]: Start difference. First operand 29630 states and 38861 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:27,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:47:27,064 INFO L93 Difference]: Finished difference Result 67885 states and 95795 transitions. [2023-12-25 09:47:27,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 09:47:27,064 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-12-25 09:47:27,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:47:27,130 INFO L225 Difference]: With dead ends: 67885 [2023-12-25 09:47:27,130 INFO L226 Difference]: Without dead ends: 57333 [2023-12-25 09:47:27,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-25 09:47:27,148 INFO L413 NwaCegarLoop]: 3904 mSDtfsCounter, 14705 mSDsluCounter, 13715 mSDsCounter, 0 mSdLazyCounter, 1858 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14705 SdHoareTripleChecker+Valid, 17619 SdHoareTripleChecker+Invalid, 1888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 09:47:27,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14705 Valid, 17619 Invalid, 1888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1858 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 09:47:27,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57333 states. [2023-12-25 09:47:27,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57333 to 31016. [2023-12-25 09:47:27,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31016 states, 30999 states have (on average 1.307429271911997) internal successors, (40529), 31015 states have internal predecessors, (40529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:27,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31016 states to 31016 states and 40529 transitions. [2023-12-25 09:47:27,649 INFO L78 Accepts]: Start accepts. Automaton has 31016 states and 40529 transitions. Word has length 81 [2023-12-25 09:47:27,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:47:27,650 INFO L495 AbstractCegarLoop]: Abstraction has 31016 states and 40529 transitions. [2023-12-25 09:47:27,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:27,650 INFO L276 IsEmpty]: Start isEmpty. Operand 31016 states and 40529 transitions. [2023-12-25 09:47:27,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 09:47:27,660 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:47:27,660 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:47:27,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-12-25 09:47:27,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:47:27,861 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:47:27,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:47:27,862 INFO L85 PathProgramCache]: Analyzing trace with hash 145335399, now seen corresponding path program 1 times [2023-12-25 09:47:27,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:47:27,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1573270663] [2023-12-25 09:47:27,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:47:27,863 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:47:27,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:47:27,864 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:47:27,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-12-25 09:47:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:47:28,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:47:28,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:47:28,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:47:28,869 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:47:28,869 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:47:28,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1573270663] [2023-12-25 09:47:28,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1573270663] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:47:28,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:47:28,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:47:28,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842554869] [2023-12-25 09:47:28,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:47:28,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:47:28,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:47:28,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:47:28,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:47:28,870 INFO L87 Difference]: Start difference. First operand 31016 states and 40529 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:37,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:47:37,603 INFO L93 Difference]: Finished difference Result 31061 states and 40562 transitions. [2023-12-25 09:47:37,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 09:47:37,604 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-25 09:47:37,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:47:37,639 INFO L225 Difference]: With dead ends: 31061 [2023-12-25 09:47:37,639 INFO L226 Difference]: Without dead ends: 31052 [2023-12-25 09:47:37,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2023-12-25 09:47:37,649 INFO L413 NwaCegarLoop]: 2073 mSDtfsCounter, 10189 mSDsluCounter, 6592 mSDsCounter, 0 mSdLazyCounter, 8022 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10189 SdHoareTripleChecker+Valid, 8665 SdHoareTripleChecker+Invalid, 8077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 8022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-12-25 09:47:37,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10189 Valid, 8665 Invalid, 8077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 8022 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2023-12-25 09:47:37,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31052 states. [2023-12-25 09:47:37,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31052 to 31016. [2023-12-25 09:47:37,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31016 states, 30999 states have (on average 1.3073970128068648) internal successors, (40528), 31015 states have internal predecessors, (40528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:37,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31016 states to 31016 states and 40528 transitions. [2023-12-25 09:47:37,996 INFO L78 Accepts]: Start accepts. Automaton has 31016 states and 40528 transitions. Word has length 82 [2023-12-25 09:47:37,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:47:37,996 INFO L495 AbstractCegarLoop]: Abstraction has 31016 states and 40528 transitions. [2023-12-25 09:47:37,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:37,997 INFO L276 IsEmpty]: Start isEmpty. Operand 31016 states and 40528 transitions. [2023-12-25 09:47:38,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 09:47:38,007 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:47:38,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:47:38,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-25 09:47:38,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:47:38,207 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:47:38,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:47:38,208 INFO L85 PathProgramCache]: Analyzing trace with hash 281132209, now seen corresponding path program 1 times [2023-12-25 09:47:38,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:47:38,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [421264966] [2023-12-25 09:47:38,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:47:38,209 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:47:38,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:47:38,210 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:47:38,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-25 09:47:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:47:38,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:47:38,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:47:39,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:47:39,257 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:47:39,257 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:47:39,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [421264966] [2023-12-25 09:47:39,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [421264966] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:47:39,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:47:39,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 09:47:39,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686533717] [2023-12-25 09:47:39,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:47:39,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 09:47:39,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:47:39,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 09:47:39,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 09:47:39,258 INFO L87 Difference]: Start difference. First operand 31016 states and 40528 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:50,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:47:50,421 INFO L93 Difference]: Finished difference Result 62584 states and 87802 transitions. [2023-12-25 09:47:50,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 09:47:50,422 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-25 09:47:50,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:47:50,488 INFO L225 Difference]: With dead ends: 62584 [2023-12-25 09:47:50,488 INFO L226 Difference]: Without dead ends: 52072 [2023-12-25 09:47:50,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-25 09:47:50,511 INFO L413 NwaCegarLoop]: 2273 mSDtfsCounter, 14083 mSDsluCounter, 8220 mSDsCounter, 0 mSdLazyCounter, 9550 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14083 SdHoareTripleChecker+Valid, 10493 SdHoareTripleChecker+Invalid, 9601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 9550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-12-25 09:47:50,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14083 Valid, 10493 Invalid, 9601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 9550 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2023-12-25 09:47:50,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52072 states. [2023-12-25 09:47:51,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52072 to 30986. [2023-12-25 09:47:51,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30986 states, 30969 states have (on average 1.3075333397914044) internal successors, (40493), 30985 states have internal predecessors, (40493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:51,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30986 states to 30986 states and 40493 transitions. [2023-12-25 09:47:51,098 INFO L78 Accepts]: Start accepts. Automaton has 30986 states and 40493 transitions. Word has length 82 [2023-12-25 09:47:51,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:47:51,098 INFO L495 AbstractCegarLoop]: Abstraction has 30986 states and 40493 transitions. [2023-12-25 09:47:51,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:51,098 INFO L276 IsEmpty]: Start isEmpty. Operand 30986 states and 40493 transitions. [2023-12-25 09:47:51,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-25 09:47:51,110 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:47:51,111 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:47:51,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-12-25 09:47:51,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:47:51,312 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:47:51,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:47:51,312 INFO L85 PathProgramCache]: Analyzing trace with hash 334995124, now seen corresponding path program 1 times [2023-12-25 09:47:51,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:47:51,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225834425] [2023-12-25 09:47:51,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:47:51,313 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:47:51,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:47:51,315 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:47:51,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-25 09:47:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:47:51,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-25 09:47:51,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:47:52,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:47:52,943 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:47:52,944 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:47:52,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225834425] [2023-12-25 09:47:52,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225834425] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:47:52,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:47:52,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-25 09:47:52,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883509323] [2023-12-25 09:47:52,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:47:52,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-25 09:47:52,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:47:52,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-25 09:47:52,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:47:52,945 INFO L87 Difference]: Start difference. First operand 30986 states and 40493 transitions. Second operand has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:47:59,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:47:59,983 INFO L93 Difference]: Finished difference Result 58364 states and 80005 transitions. [2023-12-25 09:47:59,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-25 09:47:59,983 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-12-25 09:47:59,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:48:00,037 INFO L225 Difference]: With dead ends: 58364 [2023-12-25 09:48:00,038 INFO L226 Difference]: Without dead ends: 47798 [2023-12-25 09:48:00,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2023-12-25 09:48:00,058 INFO L413 NwaCegarLoop]: 3762 mSDtfsCounter, 26714 mSDsluCounter, 24925 mSDsCounter, 0 mSdLazyCounter, 4437 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26714 SdHoareTripleChecker+Valid, 28687 SdHoareTripleChecker+Invalid, 4454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 4437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:48:00,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26714 Valid, 28687 Invalid, 4454 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 4437 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-12-25 09:48:00,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47798 states. [2023-12-25 09:48:00,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47798 to 30933. [2023-12-25 09:48:00,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30933 states, 30916 states have (on average 1.3078017854832449) internal successors, (40432), 30932 states have internal predecessors, (40432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:00,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30933 states to 30933 states and 40432 transitions. [2023-12-25 09:48:00,517 INFO L78 Accepts]: Start accepts. Automaton has 30933 states and 40432 transitions. Word has length 83 [2023-12-25 09:48:00,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:48:00,517 INFO L495 AbstractCegarLoop]: Abstraction has 30933 states and 40432 transitions. [2023-12-25 09:48:00,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:00,518 INFO L276 IsEmpty]: Start isEmpty. Operand 30933 states and 40432 transitions. [2023-12-25 09:48:00,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-25 09:48:00,528 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:48:00,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:48:00,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-12-25 09:48:00,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:48:00,735 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:48:00,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:48:00,735 INFO L85 PathProgramCache]: Analyzing trace with hash -116911058, now seen corresponding path program 1 times [2023-12-25 09:48:00,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:48:00,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2098724392] [2023-12-25 09:48:00,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:48:00,736 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:48:00,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:48:00,737 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:48:00,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-25 09:48:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:48:01,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-25 09:48:01,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:48:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:48:02,405 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:48:02,405 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:48:02,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2098724392] [2023-12-25 09:48:02,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2098724392] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:48:02,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:48:02,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-25 09:48:02,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229916955] [2023-12-25 09:48:02,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:48:02,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-25 09:48:02,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:48:02,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-25 09:48:02,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:48:02,406 INFO L87 Difference]: Start difference. First operand 30933 states and 40432 transitions. Second operand has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:07,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:48:07,952 INFO L93 Difference]: Finished difference Result 57506 states and 78794 transitions. [2023-12-25 09:48:07,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-25 09:48:07,952 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-12-25 09:48:07,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:48:07,995 INFO L225 Difference]: With dead ends: 57506 [2023-12-25 09:48:07,995 INFO L226 Difference]: Without dead ends: 37811 [2023-12-25 09:48:08,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2023-12-25 09:48:08,009 INFO L413 NwaCegarLoop]: 2610 mSDtfsCounter, 11204 mSDsluCounter, 16177 mSDsCounter, 0 mSdLazyCounter, 3655 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11204 SdHoareTripleChecker+Valid, 18787 SdHoareTripleChecker+Invalid, 3675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 3655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:48:08,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11204 Valid, 18787 Invalid, 3675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 3655 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-12-25 09:48:08,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37811 states. [2023-12-25 09:48:08,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37811 to 31131. [2023-12-25 09:48:08,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31131 states, 31119 states have (on average 1.347729682830425) internal successors, (41940), 31130 states have internal predecessors, (41940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:08,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31131 states to 31131 states and 41940 transitions. [2023-12-25 09:48:08,355 INFO L78 Accepts]: Start accepts. Automaton has 31131 states and 41940 transitions. Word has length 83 [2023-12-25 09:48:08,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:48:08,355 INFO L495 AbstractCegarLoop]: Abstraction has 31131 states and 41940 transitions. [2023-12-25 09:48:08,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.533333333333333) internal successors, (83), 15 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:08,355 INFO L276 IsEmpty]: Start isEmpty. Operand 31131 states and 41940 transitions. [2023-12-25 09:48:08,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-25 09:48:08,366 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:48:08,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:48:08,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2023-12-25 09:48:08,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:48:08,573 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:48:08,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:48:08,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1102446847, now seen corresponding path program 1 times [2023-12-25 09:48:08,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:48:08,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568752762] [2023-12-25 09:48:08,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:48:08,574 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:48:08,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:48:08,575 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:48:08,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-25 09:48:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:48:09,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:48:09,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:48:09,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:48:09,461 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:48:09,461 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:48:09,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568752762] [2023-12-25 09:48:09,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [568752762] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:48:09,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:48:09,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 09:48:09,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675860340] [2023-12-25 09:48:09,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:48:09,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 09:48:09,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:48:09,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 09:48:09,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 09:48:09,463 INFO L87 Difference]: Start difference. First operand 31131 states and 41940 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:17,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:48:17,862 INFO L93 Difference]: Finished difference Result 62153 states and 88339 transitions. [2023-12-25 09:48:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 09:48:17,862 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-12-25 09:48:17,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:48:17,914 INFO L225 Difference]: With dead ends: 62153 [2023-12-25 09:48:17,914 INFO L226 Difference]: Without dead ends: 46106 [2023-12-25 09:48:17,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2023-12-25 09:48:17,938 INFO L413 NwaCegarLoop]: 1589 mSDtfsCounter, 10585 mSDsluCounter, 6431 mSDsCounter, 0 mSdLazyCounter, 7613 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10585 SdHoareTripleChecker+Valid, 8020 SdHoareTripleChecker+Invalid, 7649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 7613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-12-25 09:48:17,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10585 Valid, 8020 Invalid, 7649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 7613 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2023-12-25 09:48:17,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46106 states. [2023-12-25 09:48:18,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46106 to 30590. [2023-12-25 09:48:18,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30590 states, 30578 states have (on average 1.3507096605402578) internal successors, (41302), 30589 states have internal predecessors, (41302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:18,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30590 states to 30590 states and 41302 transitions. [2023-12-25 09:48:18,353 INFO L78 Accepts]: Start accepts. Automaton has 30590 states and 41302 transitions. Word has length 83 [2023-12-25 09:48:18,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:48:18,353 INFO L495 AbstractCegarLoop]: Abstraction has 30590 states and 41302 transitions. [2023-12-25 09:48:18,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:18,353 INFO L276 IsEmpty]: Start isEmpty. Operand 30590 states and 41302 transitions. [2023-12-25 09:48:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-25 09:48:18,362 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:48:18,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:48:18,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2023-12-25 09:48:18,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:48:18,568 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:48:18,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:48:18,568 INFO L85 PathProgramCache]: Analyzing trace with hash -259980893, now seen corresponding path program 1 times [2023-12-25 09:48:18,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:48:18,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1031993625] [2023-12-25 09:48:18,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:48:18,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:48:18,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:48:18,570 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:48:18,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-12-25 09:48:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:48:19,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:48:19,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:48:19,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:48:19,726 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:48:19,726 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:48:19,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1031993625] [2023-12-25 09:48:19,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1031993625] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:48:19,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:48:19,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 09:48:19,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552870698] [2023-12-25 09:48:19,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:48:19,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 09:48:19,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:48:19,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 09:48:19,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 09:48:19,727 INFO L87 Difference]: Start difference. First operand 30590 states and 41302 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:27,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:48:27,983 INFO L93 Difference]: Finished difference Result 77571 states and 111434 transitions. [2023-12-25 09:48:27,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 09:48:27,983 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2023-12-25 09:48:27,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:48:28,068 INFO L225 Difference]: With dead ends: 77571 [2023-12-25 09:48:28,068 INFO L226 Difference]: Without dead ends: 61657 [2023-12-25 09:48:28,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-25 09:48:28,088 INFO L413 NwaCegarLoop]: 1716 mSDtfsCounter, 14187 mSDsluCounter, 6212 mSDsCounter, 0 mSdLazyCounter, 6846 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14187 SdHoareTripleChecker+Valid, 7928 SdHoareTripleChecker+Invalid, 6880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 6846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-12-25 09:48:28,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14187 Valid, 7928 Invalid, 6880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 6846 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-12-25 09:48:28,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61657 states. [2023-12-25 09:48:28,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61657 to 30590. [2023-12-25 09:48:28,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30590 states, 30578 states have (on average 1.3506769572895545) internal successors, (41301), 30589 states have internal predecessors, (41301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:28,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30590 states to 30590 states and 41301 transitions. [2023-12-25 09:48:28,618 INFO L78 Accepts]: Start accepts. Automaton has 30590 states and 41301 transitions. Word has length 84 [2023-12-25 09:48:28,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:48:28,618 INFO L495 AbstractCegarLoop]: Abstraction has 30590 states and 41301 transitions. [2023-12-25 09:48:28,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:28,618 INFO L276 IsEmpty]: Start isEmpty. Operand 30590 states and 41301 transitions. [2023-12-25 09:48:28,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-25 09:48:28,627 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:48:28,627 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:48:28,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2023-12-25 09:48:28,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:48:28,828 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:48:28,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:48:28,829 INFO L85 PathProgramCache]: Analyzing trace with hash -659144821, now seen corresponding path program 1 times [2023-12-25 09:48:28,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:48:28,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [635749352] [2023-12-25 09:48:28,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:48:28,830 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:48:28,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:48:28,831 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:48:28,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-12-25 09:48:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:48:29,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:48:29,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:48:30,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:48:30,030 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:48:30,030 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:48:30,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [635749352] [2023-12-25 09:48:30,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [635749352] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:48:30,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:48:30,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:48:30,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696218056] [2023-12-25 09:48:30,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:48:30,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:48:30,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:48:30,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:48:30,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:48:30,032 INFO L87 Difference]: Start difference. First operand 30590 states and 41301 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:36,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:48:36,500 INFO L93 Difference]: Finished difference Result 30611 states and 41316 transitions. [2023-12-25 09:48:36,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 09:48:36,500 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2023-12-25 09:48:36,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:48:36,533 INFO L225 Difference]: With dead ends: 30611 [2023-12-25 09:48:36,533 INFO L226 Difference]: Without dead ends: 30600 [2023-12-25 09:48:36,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2023-12-25 09:48:36,543 INFO L413 NwaCegarLoop]: 1584 mSDtfsCounter, 10621 mSDsluCounter, 5111 mSDsCounter, 0 mSdLazyCounter, 6040 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10621 SdHoareTripleChecker+Valid, 6695 SdHoareTripleChecker+Invalid, 6078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 6040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-12-25 09:48:36,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10621 Valid, 6695 Invalid, 6078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 6040 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-12-25 09:48:36,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30600 states. [2023-12-25 09:48:36,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30600 to 30590. [2023-12-25 09:48:36,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30590 states, 30578 states have (on average 1.3506442540388515) internal successors, (41300), 30589 states have internal predecessors, (41300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:36,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30590 states to 30590 states and 41300 transitions. [2023-12-25 09:48:36,877 INFO L78 Accepts]: Start accepts. Automaton has 30590 states and 41300 transitions. Word has length 84 [2023-12-25 09:48:36,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:48:36,877 INFO L495 AbstractCegarLoop]: Abstraction has 30590 states and 41300 transitions. [2023-12-25 09:48:36,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:36,877 INFO L276 IsEmpty]: Start isEmpty. Operand 30590 states and 41300 transitions. [2023-12-25 09:48:36,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-25 09:48:36,886 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:48:36,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:48:36,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2023-12-25 09:48:37,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:48:37,087 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:48:37,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:48:37,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1017648630, now seen corresponding path program 1 times [2023-12-25 09:48:37,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:48:37,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222849744] [2023-12-25 09:48:37,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:48:37,088 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:48:37,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:48:37,089 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:48:37,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-12-25 09:48:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:48:37,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:48:37,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:48:38,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:48:38,079 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:48:38,079 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:48:38,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222849744] [2023-12-25 09:48:38,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1222849744] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:48:38,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:48:38,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:48:38,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007894315] [2023-12-25 09:48:38,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:48:38,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:48:38,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:48:38,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:48:38,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:48:38,081 INFO L87 Difference]: Start difference. First operand 30590 states and 41300 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:44,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:48:44,672 INFO L93 Difference]: Finished difference Result 61636 states and 87729 transitions. [2023-12-25 09:48:44,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 09:48:44,672 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2023-12-25 09:48:44,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:48:44,722 INFO L225 Difference]: With dead ends: 61636 [2023-12-25 09:48:44,722 INFO L226 Difference]: Without dead ends: 46108 [2023-12-25 09:48:44,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-25 09:48:44,745 INFO L413 NwaCegarLoop]: 1636 mSDtfsCounter, 11522 mSDsluCounter, 5192 mSDsCounter, 0 mSdLazyCounter, 5935 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11522 SdHoareTripleChecker+Valid, 6828 SdHoareTripleChecker+Invalid, 5973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 5935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-12-25 09:48:44,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11522 Valid, 6828 Invalid, 5973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 5935 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-12-25 09:48:44,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46108 states. [2023-12-25 09:48:45,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46108 to 30590. [2023-12-25 09:48:45,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30590 states, 30578 states have (on average 1.3506115507881484) internal successors, (41299), 30589 states have internal predecessors, (41299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:45,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30590 states to 30590 states and 41299 transitions. [2023-12-25 09:48:45,298 INFO L78 Accepts]: Start accepts. Automaton has 30590 states and 41299 transitions. Word has length 84 [2023-12-25 09:48:45,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:48:45,299 INFO L495 AbstractCegarLoop]: Abstraction has 30590 states and 41299 transitions. [2023-12-25 09:48:45,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:45,299 INFO L276 IsEmpty]: Start isEmpty. Operand 30590 states and 41299 transitions. [2023-12-25 09:48:45,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-25 09:48:45,308 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:48:45,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:48:45,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2023-12-25 09:48:45,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:48:45,511 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:48:45,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:48:45,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1298086344, now seen corresponding path program 1 times [2023-12-25 09:48:45,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:48:45,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [381092264] [2023-12-25 09:48:45,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:48:45,512 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:48:45,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:48:45,513 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:48:45,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2023-12-25 09:48:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:48:46,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:48:46,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:48:46,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:48:46,509 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:48:46,509 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:48:46,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [381092264] [2023-12-25 09:48:46,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [381092264] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:48:46,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:48:46,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:48:46,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910929445] [2023-12-25 09:48:46,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:48:46,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:48:46,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:48:46,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:48:46,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:48:46,510 INFO L87 Difference]: Start difference. First operand 30590 states and 41299 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:52,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:48:52,994 INFO L93 Difference]: Finished difference Result 61623 states and 87715 transitions. [2023-12-25 09:48:52,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 09:48:52,994 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2023-12-25 09:48:52,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:48:53,048 INFO L225 Difference]: With dead ends: 61623 [2023-12-25 09:48:53,049 INFO L226 Difference]: Without dead ends: 46117 [2023-12-25 09:48:53,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-25 09:48:53,074 INFO L413 NwaCegarLoop]: 1640 mSDtfsCounter, 8441 mSDsluCounter, 5054 mSDsCounter, 0 mSdLazyCounter, 5803 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8441 SdHoareTripleChecker+Valid, 6694 SdHoareTripleChecker+Invalid, 5850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 5803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-12-25 09:48:53,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8441 Valid, 6694 Invalid, 5850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 5803 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-12-25 09:48:53,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46117 states. [2023-12-25 09:48:53,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46117 to 30590. [2023-12-25 09:48:53,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30590 states, 30578 states have (on average 1.3505788475374452) internal successors, (41298), 30589 states have internal predecessors, (41298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:53,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30590 states to 30590 states and 41298 transitions. [2023-12-25 09:48:53,456 INFO L78 Accepts]: Start accepts. Automaton has 30590 states and 41298 transitions. Word has length 84 [2023-12-25 09:48:53,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:48:53,456 INFO L495 AbstractCegarLoop]: Abstraction has 30590 states and 41298 transitions. [2023-12-25 09:48:53,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:48:53,456 INFO L276 IsEmpty]: Start isEmpty. Operand 30590 states and 41298 transitions. [2023-12-25 09:48:53,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-25 09:48:53,465 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:48:53,465 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:48:53,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2023-12-25 09:48:53,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:48:53,665 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:48:53,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:48:53,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1021711736, now seen corresponding path program 1 times [2023-12-25 09:48:53,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:48:53,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1456432255] [2023-12-25 09:48:53,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:48:53,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:48:53,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:48:53,667 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:48:53,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2023-12-25 09:48:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:48:54,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:48:54,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:48:54,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:48:54,741 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:48:54,741 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:48:54,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1456432255] [2023-12-25 09:48:54,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1456432255] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:48:54,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:48:54,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:48:54,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622989975] [2023-12-25 09:48:54,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:48:54,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:48:54,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:48:54,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:48:54,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:48:54,742 INFO L87 Difference]: Start difference. First operand 30590 states and 41298 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:01,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:49:01,716 INFO L93 Difference]: Finished difference Result 61745 states and 87855 transitions. [2023-12-25 09:49:01,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 09:49:01,717 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2023-12-25 09:49:01,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:49:01,760 INFO L225 Difference]: With dead ends: 61745 [2023-12-25 09:49:01,760 INFO L226 Difference]: Without dead ends: 46102 [2023-12-25 09:49:01,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-25 09:49:01,769 INFO L413 NwaCegarLoop]: 1678 mSDtfsCounter, 7568 mSDsluCounter, 5310 mSDsCounter, 0 mSdLazyCounter, 6281 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7568 SdHoareTripleChecker+Valid, 6988 SdHoareTripleChecker+Invalid, 6319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 6281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-12-25 09:49:01,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7568 Valid, 6988 Invalid, 6319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 6281 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-12-25 09:49:01,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46102 states. [2023-12-25 09:49:02,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46102 to 30590. [2023-12-25 09:49:02,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30590 states, 30578 states have (on average 1.3505461442867421) internal successors, (41297), 30589 states have internal predecessors, (41297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:02,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30590 states to 30590 states and 41297 transitions. [2023-12-25 09:49:02,120 INFO L78 Accepts]: Start accepts. Automaton has 30590 states and 41297 transitions. Word has length 84 [2023-12-25 09:49:02,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:49:02,121 INFO L495 AbstractCegarLoop]: Abstraction has 30590 states and 41297 transitions. [2023-12-25 09:49:02,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:02,121 INFO L276 IsEmpty]: Start isEmpty. Operand 30590 states and 41297 transitions. [2023-12-25 09:49:02,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-25 09:49:02,130 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:49:02,130 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:49:02,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2023-12-25 09:49:02,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:02,331 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:49:02,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:49:02,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1746059872, now seen corresponding path program 1 times [2023-12-25 09:49:02,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:49:02,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [56383702] [2023-12-25 09:49:02,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:49:02,332 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:02,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:49:02,333 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:49:02,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-12-25 09:49:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:49:02,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:49:02,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:49:03,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:49:03,306 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:49:03,306 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:49:03,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [56383702] [2023-12-25 09:49:03,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [56383702] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:49:03,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:49:03,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:49:03,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474701037] [2023-12-25 09:49:03,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:49:03,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:49:03,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:49:03,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:49:03,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:49:03,308 INFO L87 Difference]: Start difference. First operand 30590 states and 41297 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:10,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:49:10,222 INFO L93 Difference]: Finished difference Result 61665 states and 87762 transitions. [2023-12-25 09:49:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 09:49:10,222 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-12-25 09:49:10,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:49:10,278 INFO L225 Difference]: With dead ends: 61665 [2023-12-25 09:49:10,279 INFO L226 Difference]: Without dead ends: 46102 [2023-12-25 09:49:10,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-25 09:49:10,303 INFO L413 NwaCegarLoop]: 1668 mSDtfsCounter, 7533 mSDsluCounter, 5345 mSDsCounter, 0 mSdLazyCounter, 6277 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7533 SdHoareTripleChecker+Valid, 7013 SdHoareTripleChecker+Invalid, 6315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 6277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-12-25 09:49:10,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7533 Valid, 7013 Invalid, 6315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 6277 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-12-25 09:49:10,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46102 states. [2023-12-25 09:49:10,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46102 to 30590. [2023-12-25 09:49:10,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30590 states, 30578 states have (on average 1.3505134410360389) internal successors, (41296), 30589 states have internal predecessors, (41296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:10,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30590 states to 30590 states and 41296 transitions. [2023-12-25 09:49:10,786 INFO L78 Accepts]: Start accepts. Automaton has 30590 states and 41296 transitions. Word has length 85 [2023-12-25 09:49:10,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:49:10,786 INFO L495 AbstractCegarLoop]: Abstraction has 30590 states and 41296 transitions. [2023-12-25 09:49:10,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:10,786 INFO L276 IsEmpty]: Start isEmpty. Operand 30590 states and 41296 transitions. [2023-12-25 09:49:10,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-25 09:49:10,796 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:49:10,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:49:10,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2023-12-25 09:49:10,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:10,997 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:49:10,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:49:10,997 INFO L85 PathProgramCache]: Analyzing trace with hash -609990958, now seen corresponding path program 1 times [2023-12-25 09:49:10,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:49:10,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [608651371] [2023-12-25 09:49:10,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:49:10,998 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:10,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:49:10,999 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:49:11,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2023-12-25 09:49:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:49:11,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:49:11,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:49:11,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:49:11,963 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:49:11,963 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:49:11,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [608651371] [2023-12-25 09:49:11,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [608651371] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:49:11,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:49:11,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:49:11,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464984376] [2023-12-25 09:49:11,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:49:11,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:49:11,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:49:11,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:49:11,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:49:11,964 INFO L87 Difference]: Start difference. First operand 30590 states and 41296 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:18,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:49:18,684 INFO L93 Difference]: Finished difference Result 61619 states and 87705 transitions. [2023-12-25 09:49:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 09:49:18,685 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-12-25 09:49:18,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:49:18,737 INFO L225 Difference]: With dead ends: 61619 [2023-12-25 09:49:18,737 INFO L226 Difference]: Without dead ends: 46108 [2023-12-25 09:49:18,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-25 09:49:18,761 INFO L413 NwaCegarLoop]: 1681 mSDtfsCounter, 11331 mSDsluCounter, 5361 mSDsCounter, 0 mSdLazyCounter, 6042 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11331 SdHoareTripleChecker+Valid, 7042 SdHoareTripleChecker+Invalid, 6080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 6042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-12-25 09:49:18,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11331 Valid, 7042 Invalid, 6080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 6042 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-12-25 09:49:18,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46108 states. [2023-12-25 09:49:19,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46108 to 30590. [2023-12-25 09:49:19,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30590 states, 30578 states have (on average 1.3504807377853358) internal successors, (41295), 30589 states have internal predecessors, (41295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:19,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30590 states to 30590 states and 41295 transitions. [2023-12-25 09:49:19,298 INFO L78 Accepts]: Start accepts. Automaton has 30590 states and 41295 transitions. Word has length 85 [2023-12-25 09:49:19,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:49:19,298 INFO L495 AbstractCegarLoop]: Abstraction has 30590 states and 41295 transitions. [2023-12-25 09:49:19,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:19,299 INFO L276 IsEmpty]: Start isEmpty. Operand 30590 states and 41295 transitions. [2023-12-25 09:49:19,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-25 09:49:19,308 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:49:19,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:49:19,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2023-12-25 09:49:19,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:19,509 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:49:19,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:49:19,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1552046566, now seen corresponding path program 1 times [2023-12-25 09:49:19,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:49:19,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1681307252] [2023-12-25 09:49:19,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:49:19,510 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:19,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:49:19,511 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:49:19,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2023-12-25 09:49:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:49:20,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 09:49:20,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:49:20,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:49:20,109 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:49:20,109 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:49:20,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1681307252] [2023-12-25 09:49:20,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1681307252] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:49:20,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:49:20,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 09:49:20,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753227703] [2023-12-25 09:49:20,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:49:20,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 09:49:20,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:49:20,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 09:49:20,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:49:20,110 INFO L87 Difference]: Start difference. First operand 30590 states and 41295 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:20,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:49:20,434 INFO L93 Difference]: Finished difference Result 55146 states and 78022 transitions. [2023-12-25 09:49:20,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 09:49:20,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-12-25 09:49:20,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:49:20,478 INFO L225 Difference]: With dead ends: 55146 [2023-12-25 09:49:20,478 INFO L226 Difference]: Without dead ends: 36842 [2023-12-25 09:49:20,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:49:20,489 INFO L413 NwaCegarLoop]: 2950 mSDtfsCounter, 1920 mSDsluCounter, 1056 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1920 SdHoareTripleChecker+Valid, 4006 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 09:49:20,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1920 Valid, 4006 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 09:49:20,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36842 states. [2023-12-25 09:49:20,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36842 to 29114. [2023-12-25 09:49:20,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29114 states, 29102 states have (on average 1.389938835818844) internal successors, (40450), 29113 states have internal predecessors, (40450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:20,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29114 states to 29114 states and 40450 transitions. [2023-12-25 09:49:20,859 INFO L78 Accepts]: Start accepts. Automaton has 29114 states and 40450 transitions. Word has length 85 [2023-12-25 09:49:20,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:49:20,859 INFO L495 AbstractCegarLoop]: Abstraction has 29114 states and 40450 transitions. [2023-12-25 09:49:20,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:20,859 INFO L276 IsEmpty]: Start isEmpty. Operand 29114 states and 40450 transitions. [2023-12-25 09:49:20,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-25 09:49:20,868 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:49:20,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:49:20,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2023-12-25 09:49:21,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:21,074 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:49:21,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:49:21,074 INFO L85 PathProgramCache]: Analyzing trace with hash 457131040, now seen corresponding path program 1 times [2023-12-25 09:49:21,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:49:21,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601405520] [2023-12-25 09:49:21,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:49:21,075 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:21,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:49:21,077 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:49:21,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2023-12-25 09:49:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:49:21,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-25 09:49:21,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:49:22,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:49:22,903 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:49:22,903 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:49:22,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601405520] [2023-12-25 09:49:22,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [601405520] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:49:22,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:49:22,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-25 09:49:22,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042381791] [2023-12-25 09:49:22,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:49:22,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-25 09:49:22,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:49:22,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-25 09:49:22,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2023-12-25 09:49:22,904 INFO L87 Difference]: Start difference. First operand 29114 states and 40450 transitions. Second operand has 16 states, 16 states have (on average 5.3125) internal successors, (85), 16 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:28,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:49:28,531 INFO L93 Difference]: Finished difference Result 58567 states and 83359 transitions. [2023-12-25 09:49:28,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-25 09:49:28,531 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.3125) internal successors, (85), 16 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-12-25 09:49:28,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:49:28,595 INFO L225 Difference]: With dead ends: 58567 [2023-12-25 09:49:28,595 INFO L226 Difference]: Without dead ends: 53551 [2023-12-25 09:49:28,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=163, Invalid=389, Unknown=0, NotChecked=0, Total=552 [2023-12-25 09:49:28,611 INFO L413 NwaCegarLoop]: 2650 mSDtfsCounter, 12362 mSDsluCounter, 17114 mSDsCounter, 0 mSdLazyCounter, 3810 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12362 SdHoareTripleChecker+Valid, 19764 SdHoareTripleChecker+Invalid, 3811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-12-25 09:49:28,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12362 Valid, 19764 Invalid, 3811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3810 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-12-25 09:49:28,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53551 states. [2023-12-25 09:49:28,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53551 to 29068. [2023-12-25 09:49:28,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29068 states, 29057 states have (on average 1.3903706507898268) internal successors, (40400), 29067 states have internal predecessors, (40400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:28,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29068 states to 29068 states and 40400 transitions. [2023-12-25 09:49:28,988 INFO L78 Accepts]: Start accepts. Automaton has 29068 states and 40400 transitions. Word has length 85 [2023-12-25 09:49:28,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:49:28,988 INFO L495 AbstractCegarLoop]: Abstraction has 29068 states and 40400 transitions. [2023-12-25 09:49:28,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.3125) internal successors, (85), 16 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:28,988 INFO L276 IsEmpty]: Start isEmpty. Operand 29068 states and 40400 transitions. [2023-12-25 09:49:28,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-25 09:49:28,995 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:49:28,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:49:29,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2023-12-25 09:49:29,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:29,201 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:49:29,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:49:29,202 INFO L85 PathProgramCache]: Analyzing trace with hash -386055985, now seen corresponding path program 1 times [2023-12-25 09:49:29,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:49:29,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478435086] [2023-12-25 09:49:29,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:49:29,202 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:29,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:49:29,203 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:49:29,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2023-12-25 09:49:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:49:29,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:49:29,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:49:30,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:49:30,231 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:49:30,231 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:49:30,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [478435086] [2023-12-25 09:49:30,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [478435086] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:49:30,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:49:30,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 09:49:30,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968141189] [2023-12-25 09:49:30,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:49:30,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 09:49:30,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:49:30,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 09:49:30,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 09:49:30,233 INFO L87 Difference]: Start difference. First operand 29068 states and 40400 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:38,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:49:38,562 INFO L93 Difference]: Finished difference Result 68560 states and 98967 transitions. [2023-12-25 09:49:38,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-25 09:49:38,563 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-12-25 09:49:38,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:49:38,619 INFO L225 Difference]: With dead ends: 68560 [2023-12-25 09:49:38,619 INFO L226 Difference]: Without dead ends: 48634 [2023-12-25 09:49:38,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2023-12-25 09:49:38,645 INFO L413 NwaCegarLoop]: 1552 mSDtfsCounter, 7592 mSDsluCounter, 6311 mSDsCounter, 0 mSdLazyCounter, 7428 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7592 SdHoareTripleChecker+Valid, 7863 SdHoareTripleChecker+Invalid, 7464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 7428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-12-25 09:49:38,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7592 Valid, 7863 Invalid, 7464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 7428 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2023-12-25 09:49:38,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48634 states. [2023-12-25 09:49:39,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48634 to 29068. [2023-12-25 09:49:39,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29068 states, 29057 states have (on average 1.3903362356747084) internal successors, (40399), 29067 states have internal predecessors, (40399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:39,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29068 states to 29068 states and 40399 transitions. [2023-12-25 09:49:39,137 INFO L78 Accepts]: Start accepts. Automaton has 29068 states and 40399 transitions. Word has length 85 [2023-12-25 09:49:39,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:49:39,138 INFO L495 AbstractCegarLoop]: Abstraction has 29068 states and 40399 transitions. [2023-12-25 09:49:39,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 8 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:39,138 INFO L276 IsEmpty]: Start isEmpty. Operand 29068 states and 40399 transitions. [2023-12-25 09:49:39,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-25 09:49:39,146 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:49:39,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:49:39,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2023-12-25 09:49:39,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:39,356 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:49:39,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:49:39,357 INFO L85 PathProgramCache]: Analyzing trace with hash -954958880, now seen corresponding path program 1 times [2023-12-25 09:49:39,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:49:39,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [130326009] [2023-12-25 09:49:39,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:49:39,357 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:39,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:49:39,358 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:49:39,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2023-12-25 09:49:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:49:39,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 09:49:40,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:49:40,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:49:40,026 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:49:40,026 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:49:40,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [130326009] [2023-12-25 09:49:40,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [130326009] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:49:40,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:49:40,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 09:49:40,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717934294] [2023-12-25 09:49:40,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:49:40,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 09:49:40,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:49:40,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 09:49:40,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:49:40,027 INFO L87 Difference]: Start difference. First operand 29068 states and 40399 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:40,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:49:40,293 INFO L93 Difference]: Finished difference Result 59912 states and 86211 transitions. [2023-12-25 09:49:40,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 09:49:40,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-12-25 09:49:40,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:49:40,340 INFO L225 Difference]: With dead ends: 59912 [2023-12-25 09:49:40,340 INFO L226 Difference]: Without dead ends: 39402 [2023-12-25 09:49:40,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:49:40,362 INFO L413 NwaCegarLoop]: 2911 mSDtfsCounter, 1739 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1739 SdHoareTripleChecker+Valid, 4047 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 09:49:40,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1739 Valid, 4047 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 09:49:40,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39402 states. [2023-12-25 09:49:40,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39402 to 32053. [2023-12-25 09:49:40,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32053 states, 32042 states have (on average 1.4106485238124962) internal successors, (45200), 32052 states have internal predecessors, (45200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:40,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32053 states to 32053 states and 45200 transitions. [2023-12-25 09:49:40,860 INFO L78 Accepts]: Start accepts. Automaton has 32053 states and 45200 transitions. Word has length 85 [2023-12-25 09:49:40,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:49:40,860 INFO L495 AbstractCegarLoop]: Abstraction has 32053 states and 45200 transitions. [2023-12-25 09:49:40,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:40,861 INFO L276 IsEmpty]: Start isEmpty. Operand 32053 states and 45200 transitions. [2023-12-25 09:49:40,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-25 09:49:40,867 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:49:40,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:49:40,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2023-12-25 09:49:41,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:41,069 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:49:41,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:49:41,070 INFO L85 PathProgramCache]: Analyzing trace with hash -9657187, now seen corresponding path program 1 times [2023-12-25 09:49:41,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:49:41,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [96755494] [2023-12-25 09:49:41,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:49:41,071 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:41,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:49:41,072 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:49:41,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2023-12-25 09:49:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:49:41,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 09:49:41,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:49:41,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:49:41,694 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:49:41,694 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:49:41,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [96755494] [2023-12-25 09:49:41,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [96755494] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:49:41,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:49:41,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 09:49:41,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241448298] [2023-12-25 09:49:41,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:49:41,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 09:49:41,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:49:41,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 09:49:41,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:49:41,695 INFO L87 Difference]: Start difference. First operand 32053 states and 45200 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:41,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:49:41,959 INFO L93 Difference]: Finished difference Result 70691 states and 102119 transitions. [2023-12-25 09:49:41,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 09:49:41,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-12-25 09:49:41,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:49:42,019 INFO L225 Difference]: With dead ends: 70691 [2023-12-25 09:49:42,020 INFO L226 Difference]: Without dead ends: 45213 [2023-12-25 09:49:42,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:49:42,056 INFO L413 NwaCegarLoop]: 2827 mSDtfsCounter, 1673 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1673 SdHoareTripleChecker+Valid, 4024 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 09:49:42,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1673 Valid, 4024 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 09:49:42,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45213 states. [2023-12-25 09:49:42,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45213 to 36432. [2023-12-25 09:49:42,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36432 states, 36421 states have (on average 1.4199500288295215) internal successors, (51716), 36431 states have internal predecessors, (51716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:42,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36432 states to 36432 states and 51716 transitions. [2023-12-25 09:49:42,605 INFO L78 Accepts]: Start accepts. Automaton has 36432 states and 51716 transitions. Word has length 85 [2023-12-25 09:49:42,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:49:42,605 INFO L495 AbstractCegarLoop]: Abstraction has 36432 states and 51716 transitions. [2023-12-25 09:49:42,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:42,605 INFO L276 IsEmpty]: Start isEmpty. Operand 36432 states and 51716 transitions. [2023-12-25 09:49:42,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-25 09:49:42,610 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:49:42,610 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:49:42,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2023-12-25 09:49:42,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:42,812 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:49:42,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:49:42,812 INFO L85 PathProgramCache]: Analyzing trace with hash 2006860160, now seen corresponding path program 1 times [2023-12-25 09:49:42,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:49:42,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299165385] [2023-12-25 09:49:42,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:49:42,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:42,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:49:42,814 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:49:42,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2023-12-25 09:49:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:49:43,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 09:49:43,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:49:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:49:43,424 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:49:43,424 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:49:43,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [299165385] [2023-12-25 09:49:43,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [299165385] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:49:43,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:49:43,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 09:49:43,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165067073] [2023-12-25 09:49:43,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:49:43,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 09:49:43,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:49:43,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 09:49:43,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:49:43,425 INFO L87 Difference]: Start difference. First operand 36432 states and 51716 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:43,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:49:43,804 INFO L93 Difference]: Finished difference Result 84640 states and 122060 transitions. [2023-12-25 09:49:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 09:49:43,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-12-25 09:49:43,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:49:43,952 INFO L225 Difference]: With dead ends: 84640 [2023-12-25 09:49:43,952 INFO L226 Difference]: Without dead ends: 53163 [2023-12-25 09:49:43,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:49:43,971 INFO L413 NwaCegarLoop]: 2845 mSDtfsCounter, 1766 mSDsluCounter, 1102 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1766 SdHoareTripleChecker+Valid, 3947 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 09:49:43,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 3947 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 09:49:44,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53163 states. [2023-12-25 09:49:44,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53163 to 42670. [2023-12-25 09:49:44,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42670 states, 42659 states have (on average 1.4208959422396212) internal successors, (60614), 42669 states have internal predecessors, (60614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:44,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42670 states to 42670 states and 60614 transitions. [2023-12-25 09:49:44,538 INFO L78 Accepts]: Start accepts. Automaton has 42670 states and 60614 transitions. Word has length 85 [2023-12-25 09:49:44,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:49:44,538 INFO L495 AbstractCegarLoop]: Abstraction has 42670 states and 60614 transitions. [2023-12-25 09:49:44,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:44,539 INFO L276 IsEmpty]: Start isEmpty. Operand 42670 states and 60614 transitions. [2023-12-25 09:49:44,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-25 09:49:44,543 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:49:44,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:49:44,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2023-12-25 09:49:44,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:44,749 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:49:44,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:49:44,750 INFO L85 PathProgramCache]: Analyzing trace with hash 946314104, now seen corresponding path program 1 times [2023-12-25 09:49:44,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:49:44,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [683398731] [2023-12-25 09:49:44,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:49:44,751 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:44,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:49:44,752 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:49:44,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2023-12-25 09:49:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:49:45,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:49:45,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:49:45,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:49:45,886 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:49:45,886 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:49:45,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [683398731] [2023-12-25 09:49:45,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [683398731] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:49:45,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:49:45,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:49:45,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684035888] [2023-12-25 09:49:45,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:49:45,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:49:45,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:49:45,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:49:45,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:49:45,887 INFO L87 Difference]: Start difference. First operand 42670 states and 60614 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:51,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:49:51,957 INFO L93 Difference]: Finished difference Result 43950 states and 62402 transitions. [2023-12-25 09:49:51,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:49:51,957 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2023-12-25 09:49:51,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:49:51,999 INFO L225 Difference]: With dead ends: 43950 [2023-12-25 09:49:51,999 INFO L226 Difference]: Without dead ends: 43292 [2023-12-25 09:49:52,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:49:52,013 INFO L413 NwaCegarLoop]: 1517 mSDtfsCounter, 6490 mSDsluCounter, 4507 mSDsCounter, 0 mSdLazyCounter, 5558 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6490 SdHoareTripleChecker+Valid, 6024 SdHoareTripleChecker+Invalid, 5594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 5558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-12-25 09:49:52,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6490 Valid, 6024 Invalid, 5594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 5558 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-12-25 09:49:52,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43292 states. [2023-12-25 09:49:52,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43292 to 42652. [2023-12-25 09:49:52,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42652 states, 42641 states have (on average 1.420886001735419) internal successors, (60588), 42651 states have internal predecessors, (60588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:52,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42652 states to 42652 states and 60588 transitions. [2023-12-25 09:49:52,468 INFO L78 Accepts]: Start accepts. Automaton has 42652 states and 60588 transitions. Word has length 86 [2023-12-25 09:49:52,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:49:52,468 INFO L495 AbstractCegarLoop]: Abstraction has 42652 states and 60588 transitions. [2023-12-25 09:49:52,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:49:52,468 INFO L276 IsEmpty]: Start isEmpty. Operand 42652 states and 60588 transitions. [2023-12-25 09:49:52,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-25 09:49:52,472 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:49:52,472 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:49:52,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2023-12-25 09:49:52,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:52,673 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:49:52,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:49:52,673 INFO L85 PathProgramCache]: Analyzing trace with hash -884520293, now seen corresponding path program 1 times [2023-12-25 09:49:52,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:49:52,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [817669097] [2023-12-25 09:49:52,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:49:52,674 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:49:52,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:49:52,675 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:49:52,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2023-12-25 09:49:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:49:53,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:49:53,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:49:53,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:49:53,781 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:49:53,781 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:49:53,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [817669097] [2023-12-25 09:49:53,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [817669097] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:49:53,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:49:53,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 09:49:53,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076729851] [2023-12-25 09:49:53,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:49:53,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 09:49:53,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:49:53,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 09:49:53,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 09:49:53,782 INFO L87 Difference]: Start difference. First operand 42652 states and 60588 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:01,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:50:01,793 INFO L93 Difference]: Finished difference Result 82431 states and 118030 transitions. [2023-12-25 09:50:01,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 09:50:01,793 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2023-12-25 09:50:01,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:50:01,903 INFO L225 Difference]: With dead ends: 82431 [2023-12-25 09:50:01,903 INFO L226 Difference]: Without dead ends: 81757 [2023-12-25 09:50:01,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-25 09:50:01,938 INFO L413 NwaCegarLoop]: 1642 mSDtfsCounter, 10648 mSDsluCounter, 5956 mSDsCounter, 0 mSdLazyCounter, 6783 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10648 SdHoareTripleChecker+Valid, 7598 SdHoareTripleChecker+Invalid, 6817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 6783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-12-25 09:50:01,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10648 Valid, 7598 Invalid, 6817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 6783 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2023-12-25 09:50:02,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81757 states. [2023-12-25 09:50:02,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81757 to 42652. [2023-12-25 09:50:02,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42652 states, 42641 states have (on average 1.4208625501278112) internal successors, (60587), 42651 states have internal predecessors, (60587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:02,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42652 states to 42652 states and 60587 transitions. [2023-12-25 09:50:02,634 INFO L78 Accepts]: Start accepts. Automaton has 42652 states and 60587 transitions. Word has length 86 [2023-12-25 09:50:02,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:50:02,634 INFO L495 AbstractCegarLoop]: Abstraction has 42652 states and 60587 transitions. [2023-12-25 09:50:02,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:02,634 INFO L276 IsEmpty]: Start isEmpty. Operand 42652 states and 60587 transitions. [2023-12-25 09:50:02,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-25 09:50:02,638 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:50:02,638 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:50:02,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2023-12-25 09:50:02,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:50:02,839 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:50:02,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:50:02,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1072834429, now seen corresponding path program 1 times [2023-12-25 09:50:02,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:50:02,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896124293] [2023-12-25 09:50:02,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:50:02,840 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:50:02,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:50:02,841 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:50:02,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2023-12-25 09:50:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:50:03,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:50:03,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:50:03,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:50:03,875 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:50:03,875 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:50:03,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1896124293] [2023-12-25 09:50:03,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1896124293] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:50:03,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:50:03,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 09:50:03,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445271401] [2023-12-25 09:50:03,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:50:03,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 09:50:03,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:50:03,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 09:50:03,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 09:50:03,877 INFO L87 Difference]: Start difference. First operand 42652 states and 60587 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:11,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:50:11,630 INFO L93 Difference]: Finished difference Result 44028 states and 62493 transitions. [2023-12-25 09:50:11,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 09:50:11,635 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2023-12-25 09:50:11,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:50:11,684 INFO L225 Difference]: With dead ends: 44028 [2023-12-25 09:50:11,684 INFO L226 Difference]: Without dead ends: 43292 [2023-12-25 09:50:11,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-25 09:50:11,698 INFO L413 NwaCegarLoop]: 1456 mSDtfsCounter, 6363 mSDsluCounter, 5720 mSDsCounter, 0 mSdLazyCounter, 7158 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6363 SdHoareTripleChecker+Valid, 7176 SdHoareTripleChecker+Invalid, 7194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 7158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-12-25 09:50:11,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6363 Valid, 7176 Invalid, 7194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 7158 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-12-25 09:50:11,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43292 states. [2023-12-25 09:50:12,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43292 to 42652. [2023-12-25 09:50:12,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42652 states, 42641 states have (on average 1.4208390985202035) internal successors, (60586), 42651 states have internal predecessors, (60586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:12,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42652 states to 42652 states and 60586 transitions. [2023-12-25 09:50:12,164 INFO L78 Accepts]: Start accepts. Automaton has 42652 states and 60586 transitions. Word has length 86 [2023-12-25 09:50:12,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:50:12,164 INFO L495 AbstractCegarLoop]: Abstraction has 42652 states and 60586 transitions. [2023-12-25 09:50:12,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 42652 states and 60586 transitions. [2023-12-25 09:50:12,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-25 09:50:12,169 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:50:12,169 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:50:12,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2023-12-25 09:50:12,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:50:12,372 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:50:12,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:50:12,373 INFO L85 PathProgramCache]: Analyzing trace with hash -867016416, now seen corresponding path program 1 times [2023-12-25 09:50:12,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:50:12,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185246076] [2023-12-25 09:50:12,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:50:12,373 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:50:12,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:50:12,374 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:50:12,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2023-12-25 09:50:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:50:12,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:50:12,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:50:13,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:50:13,457 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:50:13,457 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:50:13,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185246076] [2023-12-25 09:50:13,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [185246076] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:50:13,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:50:13,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 09:50:13,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064064150] [2023-12-25 09:50:13,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:50:13,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 09:50:13,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:50:13,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 09:50:13,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 09:50:13,458 INFO L87 Difference]: Start difference. First operand 42652 states and 60586 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:21,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:50:21,636 INFO L93 Difference]: Finished difference Result 82395 states and 117985 transitions. [2023-12-25 09:50:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-25 09:50:21,636 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2023-12-25 09:50:21,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:50:21,743 INFO L225 Difference]: With dead ends: 82395 [2023-12-25 09:50:21,743 INFO L226 Difference]: Without dead ends: 81725 [2023-12-25 09:50:21,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-25 09:50:21,774 INFO L413 NwaCegarLoop]: 1684 mSDtfsCounter, 9872 mSDsluCounter, 6091 mSDsCounter, 0 mSdLazyCounter, 6903 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9872 SdHoareTripleChecker+Valid, 7775 SdHoareTripleChecker+Invalid, 6937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 6903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-12-25 09:50:21,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9872 Valid, 7775 Invalid, 6937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 6903 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-12-25 09:50:21,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81725 states. [2023-12-25 09:50:22,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81725 to 42620. [2023-12-25 09:50:22,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42620 states, 42609 states have (on average 1.4209204628130208) internal successors, (60544), 42619 states have internal predecessors, (60544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:22,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42620 states to 42620 states and 60544 transitions. [2023-12-25 09:50:22,421 INFO L78 Accepts]: Start accepts. Automaton has 42620 states and 60544 transitions. Word has length 86 [2023-12-25 09:50:22,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:50:22,422 INFO L495 AbstractCegarLoop]: Abstraction has 42620 states and 60544 transitions. [2023-12-25 09:50:22,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:22,422 INFO L276 IsEmpty]: Start isEmpty. Operand 42620 states and 60544 transitions. [2023-12-25 09:50:22,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-25 09:50:22,426 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:50:22,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:50:22,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2023-12-25 09:50:22,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:50:22,627 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:50:22,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:50:22,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1894910330, now seen corresponding path program 1 times [2023-12-25 09:50:22,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:50:22,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387186795] [2023-12-25 09:50:22,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:50:22,628 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:50:22,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:50:22,629 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:50:22,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2023-12-25 09:50:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:50:23,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 09:50:23,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:50:23,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:50:23,241 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:50:23,241 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:50:23,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387186795] [2023-12-25 09:50:23,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [387186795] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:50:23,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:50:23,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 09:50:23,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397519868] [2023-12-25 09:50:23,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:50:23,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 09:50:23,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:50:23,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 09:50:23,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:50:23,242 INFO L87 Difference]: Start difference. First operand 42620 states and 60544 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:24,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:50:24,019 INFO L93 Difference]: Finished difference Result 116474 states and 166906 transitions. [2023-12-25 09:50:24,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 09:50:24,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2023-12-25 09:50:24,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:50:24,101 INFO L225 Difference]: With dead ends: 116474 [2023-12-25 09:50:24,102 INFO L226 Difference]: Without dead ends: 77228 [2023-12-25 09:50:24,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 09:50:24,120 INFO L413 NwaCegarLoop]: 2800 mSDtfsCounter, 1798 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 3805 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 09:50:24,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 3805 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 09:50:24,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77228 states. [2023-12-25 09:50:24,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77228 to 77226. [2023-12-25 09:50:24,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77226 states, 77215 states have (on average 1.414932331800816) internal successors, (109254), 77225 states have internal predecessors, (109254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:25,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77226 states to 77226 states and 109254 transitions. [2023-12-25 09:50:25,072 INFO L78 Accepts]: Start accepts. Automaton has 77226 states and 109254 transitions. Word has length 86 [2023-12-25 09:50:25,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:50:25,073 INFO L495 AbstractCegarLoop]: Abstraction has 77226 states and 109254 transitions. [2023-12-25 09:50:25,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 77226 states and 109254 transitions. [2023-12-25 09:50:25,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-25 09:50:25,077 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:50:25,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:50:25,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2023-12-25 09:50:25,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:50:25,277 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:50:25,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:50:25,278 INFO L85 PathProgramCache]: Analyzing trace with hash 578883952, now seen corresponding path program 1 times [2023-12-25 09:50:25,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:50:25,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1592699382] [2023-12-25 09:50:25,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:50:25,279 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:50:25,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:50:25,279 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:50:25,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2023-12-25 09:50:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:50:26,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:50:26,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:50:26,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:50:26,387 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:50:26,387 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:50:26,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1592699382] [2023-12-25 09:50:26,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1592699382] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:50:26,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:50:26,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 09:50:26,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35999309] [2023-12-25 09:50:26,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:50:26,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 09:50:26,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:50:26,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 09:50:26,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 09:50:26,388 INFO L87 Difference]: Start difference. First operand 77226 states and 109254 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:33,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:50:33,765 INFO L93 Difference]: Finished difference Result 77544 states and 109672 transitions. [2023-12-25 09:50:33,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 09:50:33,766 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-12-25 09:50:33,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:50:33,845 INFO L225 Difference]: With dead ends: 77544 [2023-12-25 09:50:33,845 INFO L226 Difference]: Without dead ends: 77311 [2023-12-25 09:50:33,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-25 09:50:33,858 INFO L413 NwaCegarLoop]: 1406 mSDtfsCounter, 9690 mSDsluCounter, 5333 mSDsCounter, 0 mSdLazyCounter, 6743 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9690 SdHoareTripleChecker+Valid, 6739 SdHoareTripleChecker+Invalid, 6780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 6743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-12-25 09:50:33,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9690 Valid, 6739 Invalid, 6780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 6743 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-12-25 09:50:33,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77311 states. [2023-12-25 09:50:34,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77311 to 77226. [2023-12-25 09:50:34,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77226 states, 77215 states have (on average 1.4149193809492975) internal successors, (109253), 77225 states have internal predecessors, (109253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:34,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77226 states to 77226 states and 109253 transitions. [2023-12-25 09:50:34,727 INFO L78 Accepts]: Start accepts. Automaton has 77226 states and 109253 transitions. Word has length 87 [2023-12-25 09:50:34,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:50:34,727 INFO L495 AbstractCegarLoop]: Abstraction has 77226 states and 109253 transitions. [2023-12-25 09:50:34,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 77226 states and 109253 transitions. [2023-12-25 09:50:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-25 09:50:34,732 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:50:34,732 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:50:34,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2023-12-25 09:50:34,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:50:34,933 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:50:34,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:50:34,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1822136223, now seen corresponding path program 1 times [2023-12-25 09:50:34,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:50:34,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129121937] [2023-12-25 09:50:34,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:50:34,934 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:50:34,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:50:34,935 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:50:34,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2023-12-25 09:50:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:50:35,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:50:35,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:50:36,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:50:36,221 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:50:36,222 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:50:36,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129121937] [2023-12-25 09:50:36,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [129121937] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:50:36,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:50:36,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:50:36,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278398657] [2023-12-25 09:50:36,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:50:36,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:50:36,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:50:36,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:50:36,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:50:36,223 INFO L87 Difference]: Start difference. First operand 77226 states and 109253 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:41,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:50:41,995 INFO L93 Difference]: Finished difference Result 77880 states and 110141 transitions. [2023-12-25 09:50:41,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:50:41,995 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-12-25 09:50:41,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:50:42,088 INFO L225 Difference]: With dead ends: 77880 [2023-12-25 09:50:42,088 INFO L226 Difference]: Without dead ends: 77557 [2023-12-25 09:50:42,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:50:42,116 INFO L413 NwaCegarLoop]: 1466 mSDtfsCounter, 9007 mSDsluCounter, 4253 mSDsCounter, 0 mSdLazyCounter, 5228 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9007 SdHoareTripleChecker+Valid, 5719 SdHoareTripleChecker+Invalid, 5275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 5228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-12-25 09:50:42,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9007 Valid, 5719 Invalid, 5275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 5228 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-12-25 09:50:42,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77557 states. [2023-12-25 09:50:42,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77557 to 77223. [2023-12-25 09:50:42,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77223 states, 77212 states have (on average 1.4149225508988241) internal successors, (109249), 77222 states have internal predecessors, (109249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:43,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77223 states to 77223 states and 109249 transitions. [2023-12-25 09:50:43,205 INFO L78 Accepts]: Start accepts. Automaton has 77223 states and 109249 transitions. Word has length 87 [2023-12-25 09:50:43,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:50:43,206 INFO L495 AbstractCegarLoop]: Abstraction has 77223 states and 109249 transitions. [2023-12-25 09:50:43,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:43,206 INFO L276 IsEmpty]: Start isEmpty. Operand 77223 states and 109249 transitions. [2023-12-25 09:50:43,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-25 09:50:43,210 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:50:43,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:50:43,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2023-12-25 09:50:43,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:50:43,416 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:50:43,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:50:43,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1273434476, now seen corresponding path program 1 times [2023-12-25 09:50:43,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:50:43,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216487437] [2023-12-25 09:50:43,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:50:43,417 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:50:43,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:50:43,418 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:50:43,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2023-12-25 09:50:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:50:44,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:50:44,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:50:44,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:50:44,517 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:50:44,518 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:50:44,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216487437] [2023-12-25 09:50:44,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216487437] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:50:44,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:50:44,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:50:44,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264880948] [2023-12-25 09:50:44,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:50:44,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:50:44,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:50:44,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:50:44,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:50:44,519 INFO L87 Difference]: Start difference. First operand 77223 states and 109249 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:50,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:50:50,339 INFO L93 Difference]: Finished difference Result 77877 states and 110137 transitions. [2023-12-25 09:50:50,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:50:50,340 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-12-25 09:50:50,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:50:50,497 INFO L225 Difference]: With dead ends: 77877 [2023-12-25 09:50:50,497 INFO L226 Difference]: Without dead ends: 77556 [2023-12-25 09:50:50,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:50:50,504 INFO L413 NwaCegarLoop]: 1458 mSDtfsCounter, 9657 mSDsluCounter, 4239 mSDsCounter, 0 mSdLazyCounter, 5218 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9657 SdHoareTripleChecker+Valid, 5697 SdHoareTripleChecker+Invalid, 5265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 5218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-12-25 09:50:50,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9657 Valid, 5697 Invalid, 5265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 5218 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-12-25 09:50:50,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77556 states. [2023-12-25 09:50:51,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77556 to 77222. [2023-12-25 09:50:51,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77222 states, 77211 states have (on average 1.414914973255106) internal successors, (109247), 77221 states have internal predecessors, (109247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77222 states to 77222 states and 109247 transitions. [2023-12-25 09:50:51,282 INFO L78 Accepts]: Start accepts. Automaton has 77222 states and 109247 transitions. Word has length 87 [2023-12-25 09:50:51,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:50:51,282 INFO L495 AbstractCegarLoop]: Abstraction has 77222 states and 109247 transitions. [2023-12-25 09:50:51,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:50:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 77222 states and 109247 transitions. [2023-12-25 09:50:51,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-25 09:50:51,287 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:50:51,287 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:50:51,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Ended with exit code 0 [2023-12-25 09:50:51,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:50:51,488 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:50:51,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:50:51,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1513801784, now seen corresponding path program 1 times [2023-12-25 09:50:51,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:50:51,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [946679464] [2023-12-25 09:50:51,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:50:51,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:50:51,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:50:51,490 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:50:51,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2023-12-25 09:50:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:50:52,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:50:52,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:50:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:50:52,543 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:50:52,543 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:50:52,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [946679464] [2023-12-25 09:50:52,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [946679464] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:50:52,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:50:52,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 09:50:52,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438416590] [2023-12-25 09:50:52,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:50:52,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 09:50:52,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:50:52,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 09:50:52,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 09:50:52,544 INFO L87 Difference]: Start difference. First operand 77222 states and 109247 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:00,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:51:00,227 INFO L93 Difference]: Finished difference Result 77976 states and 110249 transitions. [2023-12-25 09:51:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 09:51:00,227 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-12-25 09:51:00,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:51:00,326 INFO L225 Difference]: With dead ends: 77976 [2023-12-25 09:51:00,326 INFO L226 Difference]: Without dead ends: 77544 [2023-12-25 09:51:00,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-25 09:51:00,354 INFO L413 NwaCegarLoop]: 1424 mSDtfsCounter, 6290 mSDsluCounter, 5559 mSDsCounter, 0 mSdLazyCounter, 6968 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6290 SdHoareTripleChecker+Valid, 6983 SdHoareTripleChecker+Invalid, 7004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 6968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-12-25 09:51:00,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6290 Valid, 6983 Invalid, 7004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 6968 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-12-25 09:51:00,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77544 states. [2023-12-25 09:51:01,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77544 to 77222. [2023-12-25 09:51:01,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77222 states, 77211 states have (on average 1.4149020217326547) internal successors, (109246), 77221 states have internal predecessors, (109246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:01,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77222 states to 77222 states and 109246 transitions. [2023-12-25 09:51:01,246 INFO L78 Accepts]: Start accepts. Automaton has 77222 states and 109246 transitions. Word has length 87 [2023-12-25 09:51:01,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:51:01,246 INFO L495 AbstractCegarLoop]: Abstraction has 77222 states and 109246 transitions. [2023-12-25 09:51:01,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:01,246 INFO L276 IsEmpty]: Start isEmpty. Operand 77222 states and 109246 transitions. [2023-12-25 09:51:01,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-25 09:51:01,251 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:51:01,251 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:51:01,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2023-12-25 09:51:01,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:51:01,451 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:51:01,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:51:01,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1928168651, now seen corresponding path program 1 times [2023-12-25 09:51:01,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:51:01,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1265161946] [2023-12-25 09:51:01,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:51:01,452 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:51:01,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:51:01,453 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:51:01,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2023-12-25 09:51:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:51:02,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:51:02,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:51:02,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:51:02,593 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:51:02,593 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:51:02,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1265161946] [2023-12-25 09:51:02,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1265161946] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:51:02,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:51:02,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:51:02,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465490552] [2023-12-25 09:51:02,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:51:02,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:51:02,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:51:02,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:51:02,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:51:02,594 INFO L87 Difference]: Start difference. First operand 77222 states and 109246 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:08,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:51:08,520 INFO L93 Difference]: Finished difference Result 77885 states and 110144 transitions. [2023-12-25 09:51:08,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:51:08,521 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-12-25 09:51:08,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:51:08,621 INFO L225 Difference]: With dead ends: 77885 [2023-12-25 09:51:08,621 INFO L226 Difference]: Without dead ends: 77544 [2023-12-25 09:51:08,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:51:08,650 INFO L413 NwaCegarLoop]: 1482 mSDtfsCounter, 6266 mSDsluCounter, 4387 mSDsCounter, 0 mSdLazyCounter, 5385 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6266 SdHoareTripleChecker+Valid, 5869 SdHoareTripleChecker+Invalid, 5417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 5385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-12-25 09:51:08,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6266 Valid, 5869 Invalid, 5417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 5385 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-12-25 09:51:08,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77544 states. [2023-12-25 09:51:09,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77544 to 77222. [2023-12-25 09:51:09,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77222 states, 77211 states have (on average 1.4148890702102033) internal successors, (109245), 77221 states have internal predecessors, (109245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:09,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77222 states to 77222 states and 109245 transitions. [2023-12-25 09:51:09,612 INFO L78 Accepts]: Start accepts. Automaton has 77222 states and 109245 transitions. Word has length 87 [2023-12-25 09:51:09,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:51:09,613 INFO L495 AbstractCegarLoop]: Abstraction has 77222 states and 109245 transitions. [2023-12-25 09:51:09,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:09,613 INFO L276 IsEmpty]: Start isEmpty. Operand 77222 states and 109245 transitions. [2023-12-25 09:51:09,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-25 09:51:09,617 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:51:09,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:51:09,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Ended with exit code 0 [2023-12-25 09:51:09,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:51:09,818 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:51:09,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:51:09,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1287696996, now seen corresponding path program 1 times [2023-12-25 09:51:09,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:51:09,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548973055] [2023-12-25 09:51:09,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:51:09,819 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:51:09,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:51:09,820 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:51:09,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2023-12-25 09:51:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:51:10,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:51:10,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:51:10,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:51:10,948 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:51:10,949 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:51:10,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548973055] [2023-12-25 09:51:10,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548973055] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:51:10,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:51:10,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 09:51:10,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324855543] [2023-12-25 09:51:10,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:51:10,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 09:51:10,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:51:10,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 09:51:10,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 09:51:10,950 INFO L87 Difference]: Start difference. First operand 77222 states and 109245 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:18,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:51:18,172 INFO L93 Difference]: Finished difference Result 97109 states and 137305 transitions. [2023-12-25 09:51:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 09:51:18,172 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-12-25 09:51:18,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:51:18,280 INFO L225 Difference]: With dead ends: 97109 [2023-12-25 09:51:18,281 INFO L226 Difference]: Without dead ends: 96746 [2023-12-25 09:51:18,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-25 09:51:18,293 INFO L413 NwaCegarLoop]: 1547 mSDtfsCounter, 10920 mSDsluCounter, 5232 mSDsCounter, 0 mSdLazyCounter, 6139 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10920 SdHoareTripleChecker+Valid, 6779 SdHoareTripleChecker+Invalid, 6172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 6139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-12-25 09:51:18,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10920 Valid, 6779 Invalid, 6172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 6139 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-12-25 09:51:18,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96746 states. [2023-12-25 09:51:19,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96746 to 77222. [2023-12-25 09:51:19,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77222 states, 77211 states have (on average 1.4148761186877516) internal successors, (109244), 77221 states have internal predecessors, (109244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:19,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77222 states to 77222 states and 109244 transitions. [2023-12-25 09:51:19,238 INFO L78 Accepts]: Start accepts. Automaton has 77222 states and 109244 transitions. Word has length 87 [2023-12-25 09:51:19,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:51:19,238 INFO L495 AbstractCegarLoop]: Abstraction has 77222 states and 109244 transitions. [2023-12-25 09:51:19,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:19,239 INFO L276 IsEmpty]: Start isEmpty. Operand 77222 states and 109244 transitions. [2023-12-25 09:51:19,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-25 09:51:19,436 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:51:19,436 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:51:19,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Ended with exit code 0 [2023-12-25 09:51:19,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:51:19,637 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:51:19,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:51:19,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1855686287, now seen corresponding path program 1 times [2023-12-25 09:51:19,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:51:19,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166721851] [2023-12-25 09:51:19,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:51:19,638 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:51:19,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:51:19,639 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:51:19,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2023-12-25 09:51:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:51:20,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:51:20,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:51:20,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:51:20,718 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:51:20,719 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:51:20,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166721851] [2023-12-25 09:51:20,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [166721851] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:51:20,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:51:20,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:51:20,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132409519] [2023-12-25 09:51:20,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:51:20,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:51:20,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:51:20,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:51:20,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:51:20,720 INFO L87 Difference]: Start difference. First operand 77222 states and 109244 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:26,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:51:26,509 INFO L93 Difference]: Finished difference Result 77882 states and 110138 transitions. [2023-12-25 09:51:26,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:51:26,509 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-12-25 09:51:26,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:51:26,596 INFO L225 Difference]: With dead ends: 77882 [2023-12-25 09:51:26,596 INFO L226 Difference]: Without dead ends: 77556 [2023-12-25 09:51:26,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:51:26,622 INFO L413 NwaCegarLoop]: 1464 mSDtfsCounter, 6591 mSDsluCounter, 4235 mSDsCounter, 0 mSdLazyCounter, 5209 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6591 SdHoareTripleChecker+Valid, 5699 SdHoareTripleChecker+Invalid, 5256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 5209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-12-25 09:51:26,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6591 Valid, 5699 Invalid, 5256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 5209 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-12-25 09:51:26,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77556 states. [2023-12-25 09:51:27,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77556 to 77222. [2023-12-25 09:51:27,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77222 states, 77211 states have (on average 1.4148631671653003) internal successors, (109243), 77221 states have internal predecessors, (109243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:27,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77222 states to 77222 states and 109243 transitions. [2023-12-25 09:51:27,448 INFO L78 Accepts]: Start accepts. Automaton has 77222 states and 109243 transitions. Word has length 87 [2023-12-25 09:51:27,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:51:27,449 INFO L495 AbstractCegarLoop]: Abstraction has 77222 states and 109243 transitions. [2023-12-25 09:51:27,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:27,449 INFO L276 IsEmpty]: Start isEmpty. Operand 77222 states and 109243 transitions. [2023-12-25 09:51:27,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-25 09:51:27,453 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:51:27,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:51:27,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2023-12-25 09:51:27,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:51:27,654 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:51:27,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:51:27,654 INFO L85 PathProgramCache]: Analyzing trace with hash -287919824, now seen corresponding path program 1 times [2023-12-25 09:51:27,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:51:27,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337557693] [2023-12-25 09:51:27,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:51:27,655 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:51:27,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:51:27,656 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:51:27,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2023-12-25 09:51:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:51:28,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:51:28,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:51:28,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:51:28,818 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:51:28,818 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:51:28,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337557693] [2023-12-25 09:51:28,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [337557693] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:51:28,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:51:28,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:51:28,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091404946] [2023-12-25 09:51:28,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:51:28,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:51:28,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:51:28,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:51:28,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:51:28,819 INFO L87 Difference]: Start difference. First operand 77222 states and 109243 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:34,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:51:34,580 INFO L93 Difference]: Finished difference Result 77879 states and 110134 transitions. [2023-12-25 09:51:34,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:51:34,581 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-12-25 09:51:34,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:51:34,673 INFO L225 Difference]: With dead ends: 77879 [2023-12-25 09:51:34,673 INFO L226 Difference]: Without dead ends: 77556 [2023-12-25 09:51:34,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:51:34,702 INFO L413 NwaCegarLoop]: 1464 mSDtfsCounter, 9571 mSDsluCounter, 4245 mSDsCounter, 0 mSdLazyCounter, 5205 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9571 SdHoareTripleChecker+Valid, 5709 SdHoareTripleChecker+Invalid, 5252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 5205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-12-25 09:51:34,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9571 Valid, 5709 Invalid, 5252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 5205 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-12-25 09:51:34,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77556 states. [2023-12-25 09:51:35,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77556 to 77222. [2023-12-25 09:51:35,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77222 states, 77211 states have (on average 1.4148502156428489) internal successors, (109242), 77221 states have internal predecessors, (109242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:35,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77222 states to 77222 states and 109242 transitions. [2023-12-25 09:51:35,630 INFO L78 Accepts]: Start accepts. Automaton has 77222 states and 109242 transitions. Word has length 87 [2023-12-25 09:51:35,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:51:35,630 INFO L495 AbstractCegarLoop]: Abstraction has 77222 states and 109242 transitions. [2023-12-25 09:51:35,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:35,630 INFO L276 IsEmpty]: Start isEmpty. Operand 77222 states and 109242 transitions. [2023-12-25 09:51:35,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-25 09:51:35,634 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:51:35,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:51:35,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2023-12-25 09:51:35,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:51:35,835 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:51:35,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:51:35,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1057825976, now seen corresponding path program 1 times [2023-12-25 09:51:35,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:51:35,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [768029358] [2023-12-25 09:51:35,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:51:35,836 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:51:35,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:51:35,837 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:51:35,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2023-12-25 09:51:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:51:36,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:51:36,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:51:37,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:51:37,070 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:51:37,070 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:51:37,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [768029358] [2023-12-25 09:51:37,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [768029358] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:51:37,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:51:37,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:51:37,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866452314] [2023-12-25 09:51:37,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:51:37,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:51:37,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:51:37,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:51:37,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:51:37,071 INFO L87 Difference]: Start difference. First operand 77222 states and 109242 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:43,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:51:43,019 INFO L93 Difference]: Finished difference Result 77878 states and 110134 transitions. [2023-12-25 09:51:43,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:51:43,019 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-12-25 09:51:43,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:51:43,128 INFO L225 Difference]: With dead ends: 77878 [2023-12-25 09:51:43,128 INFO L226 Difference]: Without dead ends: 77544 [2023-12-25 09:51:43,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:51:43,156 INFO L413 NwaCegarLoop]: 1475 mSDtfsCounter, 6426 mSDsluCounter, 4355 mSDsCounter, 0 mSdLazyCounter, 5277 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6426 SdHoareTripleChecker+Valid, 5830 SdHoareTripleChecker+Invalid, 5315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 5277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-12-25 09:51:43,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6426 Valid, 5830 Invalid, 5315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 5277 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-12-25 09:51:43,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77544 states. [2023-12-25 09:51:43,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77544 to 77222. [2023-12-25 09:51:43,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77222 states, 77211 states have (on average 1.4148372641203975) internal successors, (109241), 77221 states have internal predecessors, (109241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:44,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77222 states to 77222 states and 109241 transitions. [2023-12-25 09:51:44,117 INFO L78 Accepts]: Start accepts. Automaton has 77222 states and 109241 transitions. Word has length 87 [2023-12-25 09:51:44,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:51:44,118 INFO L495 AbstractCegarLoop]: Abstraction has 77222 states and 109241 transitions. [2023-12-25 09:51:44,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:44,118 INFO L276 IsEmpty]: Start isEmpty. Operand 77222 states and 109241 transitions. [2023-12-25 09:51:44,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-25 09:51:44,122 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:51:44,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:51:44,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2023-12-25 09:51:44,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:51:44,323 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:51:44,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:51:44,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1854676635, now seen corresponding path program 1 times [2023-12-25 09:51:44,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:51:44,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827732080] [2023-12-25 09:51:44,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:51:44,324 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:51:44,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:51:44,325 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:51:44,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2023-12-25 09:51:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:51:44,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-25 09:51:44,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:51:46,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:51:46,196 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:51:46,196 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:51:46,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827732080] [2023-12-25 09:51:46,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1827732080] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:51:46,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:51:46,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-25 09:51:46,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118537212] [2023-12-25 09:51:46,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:51:46,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-25 09:51:46,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:51:46,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-25 09:51:46,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-12-25 09:51:46,197 INFO L87 Difference]: Start difference. First operand 77222 states and 109241 transitions. Second operand has 14 states, 14 states have (on average 6.214285714285714) internal successors, (87), 14 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:51,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:51:51,597 INFO L93 Difference]: Finished difference Result 160872 states and 227210 transitions. [2023-12-25 09:51:51,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-25 09:51:51,597 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.214285714285714) internal successors, (87), 14 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-12-25 09:51:51,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:51:51,805 INFO L225 Difference]: With dead ends: 160872 [2023-12-25 09:51:51,806 INFO L226 Difference]: Without dead ends: 160618 [2023-12-25 09:51:51,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2023-12-25 09:51:51,861 INFO L413 NwaCegarLoop]: 2479 mSDtfsCounter, 13263 mSDsluCounter, 14663 mSDsCounter, 0 mSdLazyCounter, 3399 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13263 SdHoareTripleChecker+Valid, 17142 SdHoareTripleChecker+Invalid, 3414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 3399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-25 09:51:51,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13263 Valid, 17142 Invalid, 3414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 3399 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-25 09:51:52,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160618 states. [2023-12-25 09:51:53,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160618 to 77207. [2023-12-25 09:51:53,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77207 states, 77197 states have (on average 1.4148477272432867) internal successors, (109222), 77206 states have internal predecessors, (109222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:53,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77207 states to 77207 states and 109222 transitions. [2023-12-25 09:51:53,304 INFO L78 Accepts]: Start accepts. Automaton has 77207 states and 109222 transitions. Word has length 87 [2023-12-25 09:51:53,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:51:53,304 INFO L495 AbstractCegarLoop]: Abstraction has 77207 states and 109222 transitions. [2023-12-25 09:51:53,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.214285714285714) internal successors, (87), 14 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:53,304 INFO L276 IsEmpty]: Start isEmpty. Operand 77207 states and 109222 transitions. [2023-12-25 09:51:53,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-25 09:51:53,308 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:51:53,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:51:53,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Ended with exit code 0 [2023-12-25 09:51:53,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:51:53,509 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:51:53,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:51:53,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1944943560, now seen corresponding path program 1 times [2023-12-25 09:51:53,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:51:53,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191128971] [2023-12-25 09:51:53,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:51:53,510 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:51:53,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:51:53,511 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:51:53,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2023-12-25 09:51:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:51:54,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 09:51:54,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:51:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:51:54,674 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:51:54,674 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:51:54,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191128971] [2023-12-25 09:51:54,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191128971] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:51:54,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:51:54,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 09:51:54,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932437056] [2023-12-25 09:51:54,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:51:54,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 09:51:54,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:51:54,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 09:51:54,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-25 09:51:54,676 INFO L87 Difference]: Start difference. First operand 77207 states and 109222 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:57,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:51:57,146 INFO L93 Difference]: Finished difference Result 133744 states and 189093 transitions. [2023-12-25 09:51:57,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 09:51:57,146 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-12-25 09:51:57,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:51:57,321 INFO L225 Difference]: With dead ends: 133744 [2023-12-25 09:51:57,321 INFO L226 Difference]: Without dead ends: 133466 [2023-12-25 09:51:57,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:51:57,353 INFO L413 NwaCegarLoop]: 2693 mSDtfsCounter, 9390 mSDsluCounter, 9728 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9390 SdHoareTripleChecker+Valid, 12421 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-25 09:51:57,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9390 Valid, 12421 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-25 09:51:57,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133466 states. [2023-12-25 09:51:58,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133466 to 77168. [2023-12-25 09:51:58,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77168 states, 77160 states have (on average 1.4148781752203214) internal successors, (109172), 77167 states have internal predecessors, (109172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:58,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77168 states to 77168 states and 109172 transitions. [2023-12-25 09:51:58,649 INFO L78 Accepts]: Start accepts. Automaton has 77168 states and 109172 transitions. Word has length 87 [2023-12-25 09:51:58,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:51:58,649 INFO L495 AbstractCegarLoop]: Abstraction has 77168 states and 109172 transitions. [2023-12-25 09:51:58,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:51:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 77168 states and 109172 transitions. [2023-12-25 09:51:58,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-25 09:51:58,654 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:51:58,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:51:58,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2023-12-25 09:51:58,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:51:58,860 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:51:58,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:51:58,861 INFO L85 PathProgramCache]: Analyzing trace with hash 488494028, now seen corresponding path program 1 times [2023-12-25 09:51:58,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:51:58,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605823063] [2023-12-25 09:51:58,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:51:58,861 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:51:58,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:51:58,862 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:51:58,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2023-12-25 09:51:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:51:59,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:51:59,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:51:59,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:51:59,937 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:51:59,937 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:51:59,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605823063] [2023-12-25 09:51:59,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605823063] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:51:59,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:51:59,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 09:51:59,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67928953] [2023-12-25 09:51:59,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:51:59,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 09:51:59,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:51:59,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 09:51:59,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 09:51:59,938 INFO L87 Difference]: Start difference. First operand 77168 states and 109172 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:07,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:52:07,212 INFO L93 Difference]: Finished difference Result 96602 states and 136617 transitions. [2023-12-25 09:52:07,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 09:52:07,212 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2023-12-25 09:52:07,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:52:07,332 INFO L225 Difference]: With dead ends: 96602 [2023-12-25 09:52:07,333 INFO L226 Difference]: Without dead ends: 96455 [2023-12-25 09:52:07,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-25 09:52:07,366 INFO L413 NwaCegarLoop]: 1480 mSDtfsCounter, 10779 mSDsluCounter, 4899 mSDsCounter, 0 mSdLazyCounter, 5955 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10779 SdHoareTripleChecker+Valid, 6379 SdHoareTripleChecker+Invalid, 5988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 5955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-12-25 09:52:07,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10779 Valid, 6379 Invalid, 5988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 5955 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-12-25 09:52:07,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96455 states. [2023-12-25 09:52:08,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96455 to 77168. [2023-12-25 09:52:08,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77168 states, 77160 states have (on average 1.4148652151373768) internal successors, (109171), 77167 states have internal predecessors, (109171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:08,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77168 states to 77168 states and 109171 transitions. [2023-12-25 09:52:08,544 INFO L78 Accepts]: Start accepts. Automaton has 77168 states and 109171 transitions. Word has length 88 [2023-12-25 09:52:08,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:52:08,544 INFO L495 AbstractCegarLoop]: Abstraction has 77168 states and 109171 transitions. [2023-12-25 09:52:08,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:08,545 INFO L276 IsEmpty]: Start isEmpty. Operand 77168 states and 109171 transitions. [2023-12-25 09:52:08,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-25 09:52:08,550 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:52:08,550 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:52:08,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Forceful destruction successful, exit code 0 [2023-12-25 09:52:08,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:52:08,750 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:52:08,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:52:08,751 INFO L85 PathProgramCache]: Analyzing trace with hash -964498444, now seen corresponding path program 1 times [2023-12-25 09:52:08,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:52:08,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222226239] [2023-12-25 09:52:08,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:52:08,752 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:52:08,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:52:08,753 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:52:08,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2023-12-25 09:52:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:52:09,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-25 09:52:09,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:52:10,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:52:10,553 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:52:10,553 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:52:10,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222226239] [2023-12-25 09:52:10,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1222226239] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:52:10,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:52:10,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-25 09:52:10,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495825624] [2023-12-25 09:52:10,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:52:10,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-25 09:52:10,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:52:10,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-25 09:52:10,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-12-25 09:52:10,555 INFO L87 Difference]: Start difference. First operand 77168 states and 109171 transitions. Second operand has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:15,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:52:15,084 INFO L93 Difference]: Finished difference Result 161057 states and 227438 transitions. [2023-12-25 09:52:15,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-25 09:52:15,085 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2023-12-25 09:52:15,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:52:15,320 INFO L225 Difference]: With dead ends: 161057 [2023-12-25 09:52:15,320 INFO L226 Difference]: Without dead ends: 160710 [2023-12-25 09:52:15,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2023-12-25 09:52:15,519 INFO L413 NwaCegarLoop]: 2632 mSDtfsCounter, 14613 mSDsluCounter, 14974 mSDsCounter, 0 mSdLazyCounter, 2785 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14613 SdHoareTripleChecker+Valid, 17606 SdHoareTripleChecker+Invalid, 2796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-12-25 09:52:15,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14613 Valid, 17606 Invalid, 2796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2785 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-12-25 09:52:15,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160710 states. [2023-12-25 09:52:16,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160710 to 77141. [2023-12-25 09:52:16,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77141 states, 77133 states have (on average 1.4149456134209741) internal successors, (109139), 77140 states have internal predecessors, (109139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:16,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77141 states to 77141 states and 109139 transitions. [2023-12-25 09:52:16,824 INFO L78 Accepts]: Start accepts. Automaton has 77141 states and 109139 transitions. Word has length 88 [2023-12-25 09:52:16,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:52:16,825 INFO L495 AbstractCegarLoop]: Abstraction has 77141 states and 109139 transitions. [2023-12-25 09:52:16,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:16,825 INFO L276 IsEmpty]: Start isEmpty. Operand 77141 states and 109139 transitions. [2023-12-25 09:52:16,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-25 09:52:16,829 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:52:16,829 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:52:16,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Ended with exit code 0 [2023-12-25 09:52:17,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:52:17,029 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:52:17,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:52:17,030 INFO L85 PathProgramCache]: Analyzing trace with hash -789893517, now seen corresponding path program 1 times [2023-12-25 09:52:17,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:52:17,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146923079] [2023-12-25 09:52:17,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:52:17,030 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:52:17,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:52:17,031 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:52:17,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2023-12-25 09:52:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:52:17,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:52:17,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:52:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:52:18,164 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:52:18,164 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:52:18,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146923079] [2023-12-25 09:52:18,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146923079] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:52:18,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:52:18,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:52:18,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75755273] [2023-12-25 09:52:18,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:52:18,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:52:18,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:52:18,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:52:18,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:52:18,165 INFO L87 Difference]: Start difference. First operand 77141 states and 109139 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:24,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:52:24,219 INFO L93 Difference]: Finished difference Result 77795 states and 110027 transitions. [2023-12-25 09:52:24,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:52:24,219 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2023-12-25 09:52:24,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:52:24,317 INFO L225 Difference]: With dead ends: 77795 [2023-12-25 09:52:24,317 INFO L226 Difference]: Without dead ends: 77472 [2023-12-25 09:52:24,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:52:24,346 INFO L413 NwaCegarLoop]: 1409 mSDtfsCounter, 6352 mSDsluCounter, 4088 mSDsCounter, 0 mSdLazyCounter, 5052 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6352 SdHoareTripleChecker+Valid, 5497 SdHoareTripleChecker+Invalid, 5097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 5052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-12-25 09:52:24,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6352 Valid, 5497 Invalid, 5097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 5052 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-12-25 09:52:24,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77472 states. [2023-12-25 09:52:25,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77472 to 77138. [2023-12-25 09:52:25,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77138 states, 77130 states have (on average 1.414948787760923) internal successors, (109135), 77137 states have internal predecessors, (109135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:25,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77138 states to 77138 states and 109135 transitions. [2023-12-25 09:52:25,196 INFO L78 Accepts]: Start accepts. Automaton has 77138 states and 109135 transitions. Word has length 88 [2023-12-25 09:52:25,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:52:25,196 INFO L495 AbstractCegarLoop]: Abstraction has 77138 states and 109135 transitions. [2023-12-25 09:52:25,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:25,196 INFO L276 IsEmpty]: Start isEmpty. Operand 77138 states and 109135 transitions. [2023-12-25 09:52:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-25 09:52:25,200 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:52:25,200 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:52:25,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Ended with exit code 0 [2023-12-25 09:52:25,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:52:25,401 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:52:25,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:52:25,401 INFO L85 PathProgramCache]: Analyzing trace with hash 251845366, now seen corresponding path program 1 times [2023-12-25 09:52:25,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:52:25,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [323610495] [2023-12-25 09:52:25,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:52:25,402 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:52:25,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:52:25,403 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:52:25,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2023-12-25 09:52:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:52:26,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:52:26,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:52:26,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:52:26,749 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:52:26,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:52:26,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [323610495] [2023-12-25 09:52:26,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [323610495] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:52:26,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:52:26,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:52:26,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059491660] [2023-12-25 09:52:26,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:52:26,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:52:26,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:52:26,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:52:26,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:52:26,750 INFO L87 Difference]: Start difference. First operand 77138 states and 109135 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:32,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:52:32,938 INFO L93 Difference]: Finished difference Result 77792 states and 110023 transitions. [2023-12-25 09:52:32,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:52:32,939 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2023-12-25 09:52:32,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:52:33,037 INFO L225 Difference]: With dead ends: 77792 [2023-12-25 09:52:33,037 INFO L226 Difference]: Without dead ends: 77469 [2023-12-25 09:52:33,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:52:33,063 INFO L413 NwaCegarLoop]: 1409 mSDtfsCounter, 6350 mSDsluCounter, 4088 mSDsCounter, 0 mSdLazyCounter, 5048 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6350 SdHoareTripleChecker+Valid, 5497 SdHoareTripleChecker+Invalid, 5093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 5048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-12-25 09:52:33,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6350 Valid, 5497 Invalid, 5093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 5048 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-12-25 09:52:33,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77469 states. [2023-12-25 09:52:33,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77469 to 77135. [2023-12-25 09:52:33,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77135 states, 77127 states have (on average 1.414951962347816) internal successors, (109131), 77134 states have internal predecessors, (109131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:34,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77135 states to 77135 states and 109131 transitions. [2023-12-25 09:52:34,021 INFO L78 Accepts]: Start accepts. Automaton has 77135 states and 109131 transitions. Word has length 88 [2023-12-25 09:52:34,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:52:34,021 INFO L495 AbstractCegarLoop]: Abstraction has 77135 states and 109131 transitions. [2023-12-25 09:52:34,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:34,021 INFO L276 IsEmpty]: Start isEmpty. Operand 77135 states and 109131 transitions. [2023-12-25 09:52:34,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-25 09:52:34,025 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:52:34,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:52:34,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Ended with exit code 0 [2023-12-25 09:52:34,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:52:34,226 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:52:34,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:52:34,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1171530408, now seen corresponding path program 1 times [2023-12-25 09:52:34,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:52:34,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [342249466] [2023-12-25 09:52:34,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:52:34,227 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:52:34,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:52:34,228 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:52:34,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2023-12-25 09:52:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:52:34,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-25 09:52:34,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:52:36,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:52:36,033 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:52:36,033 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:52:36,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [342249466] [2023-12-25 09:52:36,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [342249466] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:52:36,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:52:36,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-25 09:52:36,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751662850] [2023-12-25 09:52:36,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:52:36,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-25 09:52:36,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:52:36,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-25 09:52:36,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:52:36,034 INFO L87 Difference]: Start difference. First operand 77135 states and 109131 transitions. Second operand has 15 states, 15 states have (on average 5.866666666666666) internal successors, (88), 15 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:42,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:52:42,152 INFO L93 Difference]: Finished difference Result 144779 states and 204156 transitions. [2023-12-25 09:52:42,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-25 09:52:42,152 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.866666666666666) internal successors, (88), 15 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2023-12-25 09:52:42,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:52:42,369 INFO L225 Difference]: With dead ends: 144779 [2023-12-25 09:52:42,369 INFO L226 Difference]: Without dead ends: 144407 [2023-12-25 09:52:42,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2023-12-25 09:52:42,409 INFO L413 NwaCegarLoop]: 2974 mSDtfsCounter, 12767 mSDsluCounter, 19702 mSDsCounter, 0 mSdLazyCounter, 3549 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12767 SdHoareTripleChecker+Valid, 22676 SdHoareTripleChecker+Invalid, 3557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 3549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:52:42,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12767 Valid, 22676 Invalid, 3557 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 3549 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-12-25 09:52:42,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144407 states. [2023-12-25 09:52:43,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144407 to 77083. [2023-12-25 09:52:43,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77083 states, 77075 states have (on average 1.4151151475835226) internal successors, (109070), 77082 states have internal predecessors, (109070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:43,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77083 states to 77083 states and 109070 transitions. [2023-12-25 09:52:43,741 INFO L78 Accepts]: Start accepts. Automaton has 77083 states and 109070 transitions. Word has length 88 [2023-12-25 09:52:43,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:52:43,741 INFO L495 AbstractCegarLoop]: Abstraction has 77083 states and 109070 transitions. [2023-12-25 09:52:43,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.866666666666666) internal successors, (88), 15 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:43,741 INFO L276 IsEmpty]: Start isEmpty. Operand 77083 states and 109070 transitions. [2023-12-25 09:52:43,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-25 09:52:43,745 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:52:43,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:52:43,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Forceful destruction successful, exit code 0 [2023-12-25 09:52:43,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:52:43,946 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:52:43,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:52:43,946 INFO L85 PathProgramCache]: Analyzing trace with hash -747665323, now seen corresponding path program 1 times [2023-12-25 09:52:43,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:52:43,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [567634244] [2023-12-25 09:52:43,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:52:43,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:52:43,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:52:43,948 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:52:43,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2023-12-25 09:52:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:52:44,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:52:44,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:52:45,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:52:45,109 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:52:45,109 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:52:45,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [567634244] [2023-12-25 09:52:45,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [567634244] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:52:45,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:52:45,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 09:52:45,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631809348] [2023-12-25 09:52:45,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:52:45,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 09:52:45,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:52:45,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 09:52:45,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 09:52:45,110 INFO L87 Difference]: Start difference. First operand 77083 states and 109070 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:52,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:52:52,344 INFO L93 Difference]: Finished difference Result 96927 states and 137082 transitions. [2023-12-25 09:52:52,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 09:52:52,345 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2023-12-25 09:52:52,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:52:52,474 INFO L225 Difference]: With dead ends: 96927 [2023-12-25 09:52:52,474 INFO L226 Difference]: Without dead ends: 96562 [2023-12-25 09:52:52,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-25 09:52:52,510 INFO L413 NwaCegarLoop]: 1456 mSDtfsCounter, 7575 mSDsluCounter, 4860 mSDsCounter, 0 mSdLazyCounter, 5845 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7575 SdHoareTripleChecker+Valid, 6316 SdHoareTripleChecker+Invalid, 5878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 5845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-12-25 09:52:52,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7575 Valid, 6316 Invalid, 5878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 5845 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-12-25 09:52:52,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96562 states. [2023-12-25 09:52:53,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96562 to 77038. [2023-12-25 09:52:53,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77038 states, 77030 states have (on average 1.4152148513566143) internal successors, (109014), 77037 states have internal predecessors, (109014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77038 states to 77038 states and 109014 transitions. [2023-12-25 09:52:53,655 INFO L78 Accepts]: Start accepts. Automaton has 77038 states and 109014 transitions. Word has length 88 [2023-12-25 09:52:53,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:52:53,655 INFO L495 AbstractCegarLoop]: Abstraction has 77038 states and 109014 transitions. [2023-12-25 09:52:53,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:52:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 77038 states and 109014 transitions. [2023-12-25 09:52:53,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-25 09:52:53,659 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:52:53,659 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:52:53,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Forceful destruction successful, exit code 0 [2023-12-25 09:52:53,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:52:53,860 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:52:53,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:52:53,860 INFO L85 PathProgramCache]: Analyzing trace with hash 102229466, now seen corresponding path program 1 times [2023-12-25 09:52:53,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:52:53,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1323094365] [2023-12-25 09:52:53,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:52:53,861 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:52:53,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:52:53,863 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:52:53,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Waiting until timeout for monitored process [2023-12-25 09:52:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:52:54,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:52:54,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:52:55,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:52:55,183 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:52:55,184 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:52:55,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1323094365] [2023-12-25 09:52:55,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1323094365] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:52:55,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:52:55,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:52:55,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821852318] [2023-12-25 09:52:55,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:52:55,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:52:55,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:52:55,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:52:55,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:52:55,185 INFO L87 Difference]: Start difference. First operand 77038 states and 109014 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:00,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:53:00,822 INFO L93 Difference]: Finished difference Result 77680 states and 109889 transitions. [2023-12-25 09:53:00,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:53:00,823 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2023-12-25 09:53:00,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:53:00,913 INFO L225 Difference]: With dead ends: 77680 [2023-12-25 09:53:00,913 INFO L226 Difference]: Without dead ends: 77352 [2023-12-25 09:53:00,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:53:00,941 INFO L413 NwaCegarLoop]: 1387 mSDtfsCounter, 8982 mSDsluCounter, 4106 mSDsCounter, 0 mSdLazyCounter, 5023 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8982 SdHoareTripleChecker+Valid, 5493 SdHoareTripleChecker+Invalid, 5060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 5023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-12-25 09:53:00,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8982 Valid, 5493 Invalid, 5060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 5023 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-12-25 09:53:01,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77352 states. [2023-12-25 09:53:01,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77352 to 77030. [2023-12-25 09:53:01,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77030 states, 77022 states have (on average 1.4152060450260964) internal successors, (109002), 77029 states have internal predecessors, (109002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:01,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77030 states to 77030 states and 109002 transitions. [2023-12-25 09:53:01,896 INFO L78 Accepts]: Start accepts. Automaton has 77030 states and 109002 transitions. Word has length 89 [2023-12-25 09:53:01,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:53:01,896 INFO L495 AbstractCegarLoop]: Abstraction has 77030 states and 109002 transitions. [2023-12-25 09:53:01,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:01,897 INFO L276 IsEmpty]: Start isEmpty. Operand 77030 states and 109002 transitions. [2023-12-25 09:53:01,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-25 09:53:01,901 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:53:01,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:53:01,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Forceful destruction successful, exit code 0 [2023-12-25 09:53:02,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:53:02,102 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:53:02,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:53:02,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1649003361, now seen corresponding path program 1 times [2023-12-25 09:53:02,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:53:02,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2125201816] [2023-12-25 09:53:02,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:53:02,103 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:53:02,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:53:02,104 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:53:02,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Waiting until timeout for monitored process [2023-12-25 09:53:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:53:02,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:53:02,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:53:03,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:53:03,286 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:53:03,286 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:53:03,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2125201816] [2023-12-25 09:53:03,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2125201816] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:53:03,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:53:03,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:53:03,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911424015] [2023-12-25 09:53:03,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:53:03,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:53:03,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:53:03,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:53:03,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:53:03,287 INFO L87 Difference]: Start difference. First operand 77030 states and 109002 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:09,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:53:09,158 INFO L93 Difference]: Finished difference Result 77672 states and 109877 transitions. [2023-12-25 09:53:09,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:53:09,158 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2023-12-25 09:53:09,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:53:09,254 INFO L225 Difference]: With dead ends: 77672 [2023-12-25 09:53:09,254 INFO L226 Difference]: Without dead ends: 77336 [2023-12-25 09:53:09,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:53:09,281 INFO L413 NwaCegarLoop]: 1399 mSDtfsCounter, 8559 mSDsluCounter, 4145 mSDsCounter, 0 mSdLazyCounter, 5111 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8559 SdHoareTripleChecker+Valid, 5544 SdHoareTripleChecker+Invalid, 5143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 5111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-12-25 09:53:09,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8559 Valid, 5544 Invalid, 5143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 5111 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-12-25 09:53:09,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77336 states. [2023-12-25 09:53:10,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77336 to 77014. [2023-12-25 09:53:10,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77014 states, 77006 states have (on average 1.415240370880191) internal successors, (108982), 77013 states have internal predecessors, (108982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:10,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77014 states to 77014 states and 108982 transitions. [2023-12-25 09:53:10,229 INFO L78 Accepts]: Start accepts. Automaton has 77014 states and 108982 transitions. Word has length 89 [2023-12-25 09:53:10,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:53:10,230 INFO L495 AbstractCegarLoop]: Abstraction has 77014 states and 108982 transitions. [2023-12-25 09:53:10,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:10,230 INFO L276 IsEmpty]: Start isEmpty. Operand 77014 states and 108982 transitions. [2023-12-25 09:53:10,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-25 09:53:10,235 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:53:10,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:53:10,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Forceful destruction successful, exit code 0 [2023-12-25 09:53:10,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:53:10,436 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:53:10,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:53:10,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1953914890, now seen corresponding path program 1 times [2023-12-25 09:53:10,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:53:10,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105695033] [2023-12-25 09:53:10,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:53:10,437 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:53:10,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:53:10,438 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:53:10,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2023-12-25 09:53:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:53:11,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:53:11,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:53:11,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:53:11,624 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:53:11,625 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:53:11,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [105695033] [2023-12-25 09:53:11,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [105695033] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:53:11,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:53:11,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:53:11,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759841032] [2023-12-25 09:53:11,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:53:11,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:53:11,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:53:11,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:53:11,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:53:11,626 INFO L87 Difference]: Start difference. First operand 77014 states and 108982 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:17,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:53:17,455 INFO L93 Difference]: Finished difference Result 77656 states and 109857 transitions. [2023-12-25 09:53:17,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:53:17,456 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2023-12-25 09:53:17,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:53:17,536 INFO L225 Difference]: With dead ends: 77656 [2023-12-25 09:53:17,537 INFO L226 Difference]: Without dead ends: 77320 [2023-12-25 09:53:17,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:53:17,550 INFO L413 NwaCegarLoop]: 1403 mSDtfsCounter, 8625 mSDsluCounter, 4157 mSDsCounter, 0 mSdLazyCounter, 5107 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8625 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 5139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 5107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-12-25 09:53:17,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8625 Valid, 5560 Invalid, 5139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 5107 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-12-25 09:53:17,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77320 states. [2023-12-25 09:53:18,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77320 to 76998. [2023-12-25 09:53:18,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76998 states, 76990 states have (on average 1.4152747110014288) internal successors, (108962), 76997 states have internal predecessors, (108962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:18,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76998 states to 76998 states and 108962 transitions. [2023-12-25 09:53:18,300 INFO L78 Accepts]: Start accepts. Automaton has 76998 states and 108962 transitions. Word has length 89 [2023-12-25 09:53:18,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:53:18,300 INFO L495 AbstractCegarLoop]: Abstraction has 76998 states and 108962 transitions. [2023-12-25 09:53:18,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:18,300 INFO L276 IsEmpty]: Start isEmpty. Operand 76998 states and 108962 transitions. [2023-12-25 09:53:18,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-25 09:53:18,305 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:53:18,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:53:18,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Forceful destruction successful, exit code 0 [2023-12-25 09:53:18,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:53:18,505 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:53:18,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:53:18,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1145126258, now seen corresponding path program 1 times [2023-12-25 09:53:18,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:53:18,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861459225] [2023-12-25 09:53:18,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:53:18,506 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:53:18,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:53:18,507 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:53:18,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Waiting until timeout for monitored process [2023-12-25 09:53:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:53:19,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 09:53:19,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:53:19,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:53:19,766 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:53:19,766 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:53:19,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861459225] [2023-12-25 09:53:19,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1861459225] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:53:19,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:53:19,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 09:53:19,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407467388] [2023-12-25 09:53:19,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:53:19,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 09:53:19,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:53:19,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 09:53:19,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-25 09:53:19,767 INFO L87 Difference]: Start difference. First operand 76998 states and 108962 transitions. Second operand has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 9 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:22,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:53:22,281 INFO L93 Difference]: Finished difference Result 133669 states and 189040 transitions. [2023-12-25 09:53:22,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 09:53:22,281 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 9 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2023-12-25 09:53:22,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:53:22,472 INFO L225 Difference]: With dead ends: 133669 [2023-12-25 09:53:22,473 INFO L226 Difference]: Without dead ends: 133337 [2023-12-25 09:53:22,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:53:22,525 INFO L413 NwaCegarLoop]: 2502 mSDtfsCounter, 6636 mSDsluCounter, 9888 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6636 SdHoareTripleChecker+Valid, 12390 SdHoareTripleChecker+Invalid, 1373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-25 09:53:22,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6636 Valid, 12390 Invalid, 1373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-25 09:53:22,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133337 states. [2023-12-25 09:53:23,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133337 to 76986. [2023-12-25 09:53:23,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76986 states, 76978 states have (on average 1.4152874847358985) internal successors, (108946), 76985 states have internal predecessors, (108946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:23,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76986 states to 76986 states and 108946 transitions. [2023-12-25 09:53:23,765 INFO L78 Accepts]: Start accepts. Automaton has 76986 states and 108946 transitions. Word has length 89 [2023-12-25 09:53:23,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:53:23,766 INFO L495 AbstractCegarLoop]: Abstraction has 76986 states and 108946 transitions. [2023-12-25 09:53:23,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 9 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:23,766 INFO L276 IsEmpty]: Start isEmpty. Operand 76986 states and 108946 transitions. [2023-12-25 09:53:23,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-25 09:53:23,936 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:53:23,936 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:53:23,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Forceful destruction successful, exit code 0 [2023-12-25 09:53:24,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:53:24,137 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:53:24,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:53:24,137 INFO L85 PathProgramCache]: Analyzing trace with hash 796301417, now seen corresponding path program 1 times [2023-12-25 09:53:24,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:53:24,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804051871] [2023-12-25 09:53:24,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:53:24,138 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:53:24,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:53:24,139 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:53:24,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2023-12-25 09:53:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:53:24,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:53:24,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:53:25,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:53:25,276 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:53:25,276 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:53:25,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804051871] [2023-12-25 09:53:25,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804051871] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:53:25,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:53:25,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 09:53:25,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239137601] [2023-12-25 09:53:25,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:53:25,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 09:53:25,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:53:25,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 09:53:25,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-25 09:53:25,277 INFO L87 Difference]: Start difference. First operand 76986 states and 108946 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:32,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:53:32,286 INFO L93 Difference]: Finished difference Result 96436 states and 136407 transitions. [2023-12-25 09:53:32,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 09:53:32,287 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-12-25 09:53:32,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:53:32,420 INFO L225 Difference]: With dead ends: 96436 [2023-12-25 09:53:32,420 INFO L226 Difference]: Without dead ends: 96273 [2023-12-25 09:53:32,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-25 09:53:32,457 INFO L413 NwaCegarLoop]: 1438 mSDtfsCounter, 7638 mSDsluCounter, 4724 mSDsCounter, 0 mSdLazyCounter, 5751 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7638 SdHoareTripleChecker+Valid, 6162 SdHoareTripleChecker+Invalid, 5784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 5751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-12-25 09:53:32,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7638 Valid, 6162 Invalid, 5784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 5751 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-12-25 09:53:32,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96273 states. [2023-12-25 09:53:33,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96273 to 76986. [2023-12-25 09:53:33,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76986 states, 76978 states have (on average 1.415274494011276) internal successors, (108945), 76985 states have internal predecessors, (108945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:33,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76986 states to 76986 states and 108945 transitions. [2023-12-25 09:53:33,610 INFO L78 Accepts]: Start accepts. Automaton has 76986 states and 108945 transitions. Word has length 90 [2023-12-25 09:53:33,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:53:33,611 INFO L495 AbstractCegarLoop]: Abstraction has 76986 states and 108945 transitions. [2023-12-25 09:53:33,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:33,611 INFO L276 IsEmpty]: Start isEmpty. Operand 76986 states and 108945 transitions. [2023-12-25 09:53:33,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-25 09:53:33,616 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:53:33,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:53:33,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Ended with exit code 0 [2023-12-25 09:53:33,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:53:33,816 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:53:33,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:53:33,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1763142339, now seen corresponding path program 1 times [2023-12-25 09:53:33,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:53:33,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674559220] [2023-12-25 09:53:33,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:53:33,817 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:53:33,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:53:33,818 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:53:33,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (57)] Waiting until timeout for monitored process [2023-12-25 09:53:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:53:34,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:53:34,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:53:35,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:53:35,020 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:53:35,020 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:53:35,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674559220] [2023-12-25 09:53:35,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [674559220] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:53:35,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:53:35,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:53:35,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859894535] [2023-12-25 09:53:35,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:53:35,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:53:35,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:53:35,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:53:35,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:53:35,021 INFO L87 Difference]: Start difference. First operand 76986 states and 108945 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:40,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:53:40,838 INFO L93 Difference]: Finished difference Result 77180 states and 109203 transitions. [2023-12-25 09:53:40,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:53:40,839 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-12-25 09:53:40,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:53:40,921 INFO L225 Difference]: With dead ends: 77180 [2023-12-25 09:53:40,921 INFO L226 Difference]: Without dead ends: 77071 [2023-12-25 09:53:40,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:53:40,930 INFO L413 NwaCegarLoop]: 1361 mSDtfsCounter, 8362 mSDsluCounter, 4020 mSDsCounter, 0 mSdLazyCounter, 5024 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8362 SdHoareTripleChecker+Valid, 5381 SdHoareTripleChecker+Invalid, 5056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 5024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-12-25 09:53:40,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8362 Valid, 5381 Invalid, 5056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 5024 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-12-25 09:53:40,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77071 states. [2023-12-25 09:53:41,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77071 to 76986. [2023-12-25 09:53:41,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76986 states, 76978 states have (on average 1.4152615032866533) internal successors, (108944), 76985 states have internal predecessors, (108944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:41,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76986 states to 76986 states and 108944 transitions. [2023-12-25 09:53:41,807 INFO L78 Accepts]: Start accepts. Automaton has 76986 states and 108944 transitions. Word has length 90 [2023-12-25 09:53:41,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:53:41,807 INFO L495 AbstractCegarLoop]: Abstraction has 76986 states and 108944 transitions. [2023-12-25 09:53:41,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:41,807 INFO L276 IsEmpty]: Start isEmpty. Operand 76986 states and 108944 transitions. [2023-12-25 09:53:41,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-25 09:53:41,812 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:53:41,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:53:41,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (57)] Ended with exit code 0 [2023-12-25 09:53:42,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:53:42,017 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:53:42,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:53:42,018 INFO L85 PathProgramCache]: Analyzing trace with hash -364668406, now seen corresponding path program 1 times [2023-12-25 09:53:42,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:53:42,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26009840] [2023-12-25 09:53:42,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:53:42,019 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:53:42,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:53:42,020 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:53:42,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (58)] Waiting until timeout for monitored process [2023-12-25 09:53:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:53:42,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:53:42,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:53:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:53:43,295 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:53:43,296 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:53:43,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [26009840] [2023-12-25 09:53:43,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [26009840] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:53:43,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:53:43,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:53:43,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491913393] [2023-12-25 09:53:43,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:53:43,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:53:43,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:53:43,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:53:43,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:53:43,297 INFO L87 Difference]: Start difference. First operand 76986 states and 108944 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:49,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:53:49,261 INFO L93 Difference]: Finished difference Result 77628 states and 109819 transitions. [2023-12-25 09:53:49,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:53:49,262 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-12-25 09:53:49,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:53:49,357 INFO L225 Difference]: With dead ends: 77628 [2023-12-25 09:53:49,357 INFO L226 Difference]: Without dead ends: 77302 [2023-12-25 09:53:49,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:53:49,390 INFO L413 NwaCegarLoop]: 1377 mSDtfsCounter, 5946 mSDsluCounter, 4082 mSDsCounter, 0 mSdLazyCounter, 4980 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5946 SdHoareTripleChecker+Valid, 5459 SdHoareTripleChecker+Invalid, 5017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 4980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-12-25 09:53:49,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5946 Valid, 5459 Invalid, 5017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 4980 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-12-25 09:53:49,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77302 states. [2023-12-25 09:53:50,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77302 to 76980. [2023-12-25 09:53:50,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76980 states, 76972 states have (on average 1.4152808813594553) internal successors, (108937), 76979 states have internal predecessors, (108937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:50,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76980 states to 76980 states and 108937 transitions. [2023-12-25 09:53:50,273 INFO L78 Accepts]: Start accepts. Automaton has 76980 states and 108937 transitions. Word has length 90 [2023-12-25 09:53:50,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:53:50,273 INFO L495 AbstractCegarLoop]: Abstraction has 76980 states and 108937 transitions. [2023-12-25 09:53:50,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:50,273 INFO L276 IsEmpty]: Start isEmpty. Operand 76980 states and 108937 transitions. [2023-12-25 09:53:50,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-25 09:53:50,278 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:53:50,278 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:53:50,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (58)] Ended with exit code 0 [2023-12-25 09:53:50,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:53:50,480 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:53:50,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:53:50,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1271221307, now seen corresponding path program 1 times [2023-12-25 09:53:50,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:53:50,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605357753] [2023-12-25 09:53:50,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:53:50,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:53:50,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:53:50,482 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:53:50,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (59)] Waiting until timeout for monitored process [2023-12-25 09:53:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:53:51,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:53:51,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:53:51,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:53:51,800 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:53:51,800 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:53:51,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605357753] [2023-12-25 09:53:51,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605357753] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:53:51,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:53:51,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:53:51,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774739577] [2023-12-25 09:53:51,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:53:51,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:53:51,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:53:51,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:53:51,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:53:51,801 INFO L87 Difference]: Start difference. First operand 76980 states and 108937 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:57,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:53:57,487 INFO L93 Difference]: Finished difference Result 77622 states and 109812 transitions. [2023-12-25 09:53:57,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:53:57,488 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-12-25 09:53:57,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:53:57,577 INFO L225 Difference]: With dead ends: 77622 [2023-12-25 09:53:57,577 INFO L226 Difference]: Without dead ends: 77296 [2023-12-25 09:53:57,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:53:57,602 INFO L413 NwaCegarLoop]: 1377 mSDtfsCounter, 5944 mSDsluCounter, 4082 mSDsCounter, 0 mSdLazyCounter, 4976 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5944 SdHoareTripleChecker+Valid, 5459 SdHoareTripleChecker+Invalid, 5013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 4976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-12-25 09:53:57,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5944 Valid, 5459 Invalid, 5013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 4976 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-12-25 09:53:57,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77296 states. [2023-12-25 09:53:58,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77296 to 76974. [2023-12-25 09:53:58,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76974 states, 76966 states have (on average 1.415300262453551) internal successors, (108930), 76973 states have internal predecessors, (108930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:58,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76974 states to 76974 states and 108930 transitions. [2023-12-25 09:53:58,431 INFO L78 Accepts]: Start accepts. Automaton has 76974 states and 108930 transitions. Word has length 90 [2023-12-25 09:53:58,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:53:58,431 INFO L495 AbstractCegarLoop]: Abstraction has 76974 states and 108930 transitions. [2023-12-25 09:53:58,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:53:58,431 INFO L276 IsEmpty]: Start isEmpty. Operand 76974 states and 108930 transitions. [2023-12-25 09:53:58,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-25 09:53:58,436 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:53:58,436 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:53:58,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (59)] Ended with exit code 0 [2023-12-25 09:53:58,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:53:58,637 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:53:58,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:53:58,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1087596227, now seen corresponding path program 1 times [2023-12-25 09:53:58,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:53:58,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [668307162] [2023-12-25 09:53:58,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:53:58,638 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:53:58,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:53:58,639 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:53:58,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Waiting until timeout for monitored process [2023-12-25 09:53:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:53:59,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:53:59,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:53:59,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:53:59,824 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:53:59,824 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:53:59,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [668307162] [2023-12-25 09:53:59,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [668307162] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:53:59,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:53:59,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:53:59,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239752963] [2023-12-25 09:53:59,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:53:59,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:53:59,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:53:59,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:53:59,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:53:59,825 INFO L87 Difference]: Start difference. First operand 76974 states and 108930 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:05,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:54:05,562 INFO L93 Difference]: Finished difference Result 77618 states and 109806 transitions. [2023-12-25 09:54:05,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:54:05,562 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-12-25 09:54:05,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:54:05,651 INFO L225 Difference]: With dead ends: 77618 [2023-12-25 09:54:05,652 INFO L226 Difference]: Without dead ends: 77289 [2023-12-25 09:54:05,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:54:05,677 INFO L413 NwaCegarLoop]: 1377 mSDtfsCounter, 8791 mSDsluCounter, 4079 mSDsCounter, 0 mSdLazyCounter, 4972 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8791 SdHoareTripleChecker+Valid, 5456 SdHoareTripleChecker+Invalid, 5009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 4972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-12-25 09:54:05,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8791 Valid, 5456 Invalid, 5009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 4972 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-12-25 09:54:05,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77289 states. [2023-12-25 09:54:06,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77289 to 76967. [2023-12-25 09:54:06,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76967 states, 76959 states have (on average 1.4153120492729896) internal successors, (108921), 76966 states have internal predecessors, (108921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:06,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76967 states to 76967 states and 108921 transitions. [2023-12-25 09:54:06,518 INFO L78 Accepts]: Start accepts. Automaton has 76967 states and 108921 transitions. Word has length 90 [2023-12-25 09:54:06,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:54:06,518 INFO L495 AbstractCegarLoop]: Abstraction has 76967 states and 108921 transitions. [2023-12-25 09:54:06,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:06,519 INFO L276 IsEmpty]: Start isEmpty. Operand 76967 states and 108921 transitions. [2023-12-25 09:54:06,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-25 09:54:06,524 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:54:06,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:54:06,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Forceful destruction successful, exit code 0 [2023-12-25 09:54:06,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:54:06,724 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:54:06,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:54:06,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1798299958, now seen corresponding path program 1 times [2023-12-25 09:54:06,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:54:06,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65619395] [2023-12-25 09:54:06,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:54:06,726 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:54:06,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:54:06,728 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:54:06,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (61)] Waiting until timeout for monitored process [2023-12-25 09:54:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:54:07,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-25 09:54:07,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:54:08,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:54:08,752 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:54:08,752 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:54:08,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65619395] [2023-12-25 09:54:08,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [65619395] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:54:08,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:54:08,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-25 09:54:08,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43823039] [2023-12-25 09:54:08,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:54:08,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-25 09:54:08,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:54:08,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-25 09:54:08,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:54:08,754 INFO L87 Difference]: Start difference. First operand 76967 states and 108921 transitions. Second operand has 15 states, 15 states have (on average 6.0) internal successors, (90), 15 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:15,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:54:15,072 INFO L93 Difference]: Finished difference Result 144510 states and 203819 transitions. [2023-12-25 09:54:15,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-25 09:54:15,072 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.0) internal successors, (90), 15 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-12-25 09:54:15,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:54:15,281 INFO L225 Difference]: With dead ends: 144510 [2023-12-25 09:54:15,282 INFO L226 Difference]: Without dead ends: 144159 [2023-12-25 09:54:15,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2023-12-25 09:54:15,337 INFO L413 NwaCegarLoop]: 3101 mSDtfsCounter, 13473 mSDsluCounter, 21515 mSDsCounter, 0 mSdLazyCounter, 3720 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13473 SdHoareTripleChecker+Valid, 24616 SdHoareTripleChecker+Invalid, 3728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 3720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-12-25 09:54:15,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13473 Valid, 24616 Invalid, 3728 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 3720 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-12-25 09:54:15,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144159 states. [2023-12-25 09:54:16,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144159 to 76936. [2023-12-25 09:54:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76936 states, 76929 states have (on average 1.415383015507806) internal successors, (108884), 76935 states have internal predecessors, (108884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76936 states to 76936 states and 108884 transitions. [2023-12-25 09:54:16,832 INFO L78 Accepts]: Start accepts. Automaton has 76936 states and 108884 transitions. Word has length 90 [2023-12-25 09:54:16,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:54:16,833 INFO L495 AbstractCegarLoop]: Abstraction has 76936 states and 108884 transitions. [2023-12-25 09:54:16,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.0) internal successors, (90), 15 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:16,833 INFO L276 IsEmpty]: Start isEmpty. Operand 76936 states and 108884 transitions. [2023-12-25 09:54:16,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-25 09:54:16,838 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:54:16,838 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:54:16,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (61)] Forceful destruction successful, exit code 0 [2023-12-25 09:54:17,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:54:17,038 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:54:17,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:54:17,039 INFO L85 PathProgramCache]: Analyzing trace with hash -2097291217, now seen corresponding path program 1 times [2023-12-25 09:54:17,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:54:17,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1118498149] [2023-12-25 09:54:17,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:54:17,040 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:54:17,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:54:17,041 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:54:17,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (62)] Waiting until timeout for monitored process [2023-12-25 09:54:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:54:17,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 09:54:17,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:54:18,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:54:18,522 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:54:18,522 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:54:18,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1118498149] [2023-12-25 09:54:18,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1118498149] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:54:18,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:54:18,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-25 09:54:18,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649769902] [2023-12-25 09:54:18,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:54:18,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-25 09:54:18,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:54:18,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-25 09:54:18,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-12-25 09:54:18,523 INFO L87 Difference]: Start difference. First operand 76936 states and 108884 transitions. Second operand has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:21,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:54:21,765 INFO L93 Difference]: Finished difference Result 136126 states and 192330 transitions. [2023-12-25 09:54:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-25 09:54:21,766 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-12-25 09:54:21,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:54:21,950 INFO L225 Difference]: With dead ends: 136126 [2023-12-25 09:54:21,950 INFO L226 Difference]: Without dead ends: 135787 [2023-12-25 09:54:21,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2023-12-25 09:54:21,991 INFO L413 NwaCegarLoop]: 2949 mSDtfsCounter, 10484 mSDsluCounter, 11290 mSDsCounter, 0 mSdLazyCounter, 1507 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10484 SdHoareTripleChecker+Valid, 14239 SdHoareTripleChecker+Invalid, 1522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-25 09:54:21,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10484 Valid, 14239 Invalid, 1522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1507 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-25 09:54:22,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135787 states. [2023-12-25 09:54:23,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135787 to 76917. [2023-12-25 09:54:23,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76917 states, 76910 states have (on average 1.4154336237160317) internal successors, (108861), 76916 states have internal predecessors, (108861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:23,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76917 states to 76917 states and 108861 transitions. [2023-12-25 09:54:23,531 INFO L78 Accepts]: Start accepts. Automaton has 76917 states and 108861 transitions. Word has length 90 [2023-12-25 09:54:23,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:54:23,531 INFO L495 AbstractCegarLoop]: Abstraction has 76917 states and 108861 transitions. [2023-12-25 09:54:23,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:23,531 INFO L276 IsEmpty]: Start isEmpty. Operand 76917 states and 108861 transitions. [2023-12-25 09:54:23,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-25 09:54:23,536 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:54:23,536 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:54:23,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (62)] Forceful destruction successful, exit code 0 [2023-12-25 09:54:23,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:54:23,737 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:54:23,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:54:23,737 INFO L85 PathProgramCache]: Analyzing trace with hash 204683970, now seen corresponding path program 1 times [2023-12-25 09:54:23,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:54:23,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1583978267] [2023-12-25 09:54:23,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:54:23,738 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:54:23,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:54:23,739 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:54:23,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (63)] Waiting until timeout for monitored process [2023-12-25 09:54:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:54:24,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-25 09:54:24,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:54:25,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:54:25,486 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:54:25,487 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:54:25,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1583978267] [2023-12-25 09:54:25,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1583978267] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:54:25,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:54:25,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-25 09:54:25,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543193446] [2023-12-25 09:54:25,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:54:25,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-25 09:54:25,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:54:25,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-25 09:54:25,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:54:25,488 INFO L87 Difference]: Start difference. First operand 76917 states and 108861 transitions. Second operand has 15 states, 15 states have (on average 6.0) internal successors, (90), 15 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:30,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:54:30,885 INFO L93 Difference]: Finished difference Result 160216 states and 226418 transitions. [2023-12-25 09:54:30,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-25 09:54:30,886 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.0) internal successors, (90), 15 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-12-25 09:54:30,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:54:31,094 INFO L225 Difference]: With dead ends: 160216 [2023-12-25 09:54:31,095 INFO L226 Difference]: Without dead ends: 159847 [2023-12-25 09:54:31,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2023-12-25 09:54:31,131 INFO L413 NwaCegarLoop]: 2163 mSDtfsCounter, 6583 mSDsluCounter, 15563 mSDsCounter, 0 mSdLazyCounter, 3399 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6583 SdHoareTripleChecker+Valid, 17726 SdHoareTripleChecker+Invalid, 3408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-12-25 09:54:31,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6583 Valid, 17726 Invalid, 3408 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3399 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-12-25 09:54:31,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159847 states. [2023-12-25 09:54:32,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159847 to 76868. [2023-12-25 09:54:32,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76868 states, 76862 states have (on average 1.415536936327444) internal successors, (108801), 76867 states have internal predecessors, (108801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:32,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76868 states to 76868 states and 108801 transitions. [2023-12-25 09:54:32,421 INFO L78 Accepts]: Start accepts. Automaton has 76868 states and 108801 transitions. Word has length 90 [2023-12-25 09:54:32,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:54:32,422 INFO L495 AbstractCegarLoop]: Abstraction has 76868 states and 108801 transitions. [2023-12-25 09:54:32,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.0) internal successors, (90), 15 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:32,422 INFO L276 IsEmpty]: Start isEmpty. Operand 76868 states and 108801 transitions. [2023-12-25 09:54:32,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-25 09:54:32,426 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:54:32,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:54:32,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (63)] Forceful destruction successful, exit code 0 [2023-12-25 09:54:32,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:54:32,627 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:54:32,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:54:32,628 INFO L85 PathProgramCache]: Analyzing trace with hash 958858062, now seen corresponding path program 1 times [2023-12-25 09:54:32,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:54:32,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379688072] [2023-12-25 09:54:32,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:54:32,628 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:54:32,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:54:32,629 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:54:32,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Waiting until timeout for monitored process [2023-12-25 09:54:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:54:33,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-25 09:54:33,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:54:34,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:54:34,394 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:54:34,394 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:54:34,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379688072] [2023-12-25 09:54:34,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [379688072] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:54:34,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:54:34,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-25 09:54:34,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853518838] [2023-12-25 09:54:34,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:54:34,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-25 09:54:34,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:54:34,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-25 09:54:34,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:54:34,396 INFO L87 Difference]: Start difference. First operand 76868 states and 108801 transitions. Second operand has 15 states, 15 states have (on average 6.0) internal successors, (90), 15 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:39,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:54:39,702 INFO L93 Difference]: Finished difference Result 160142 states and 226330 transitions. [2023-12-25 09:54:39,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-25 09:54:39,703 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.0) internal successors, (90), 15 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2023-12-25 09:54:39,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:54:39,919 INFO L225 Difference]: With dead ends: 160142 [2023-12-25 09:54:39,919 INFO L226 Difference]: Without dead ends: 159787 [2023-12-25 09:54:39,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2023-12-25 09:54:39,957 INFO L413 NwaCegarLoop]: 2106 mSDtfsCounter, 10979 mSDsluCounter, 12847 mSDsCounter, 0 mSdLazyCounter, 2806 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10979 SdHoareTripleChecker+Valid, 14953 SdHoareTripleChecker+Invalid, 2815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-12-25 09:54:39,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10979 Valid, 14953 Invalid, 2815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 2806 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-12-25 09:54:40,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159787 states. [2023-12-25 09:54:41,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159787 to 76833. [2023-12-25 09:54:41,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76833 states, 76827 states have (on average 1.4156221120179104) internal successors, (108758), 76832 states have internal predecessors, (108758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:41,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76833 states to 76833 states and 108758 transitions. [2023-12-25 09:54:41,295 INFO L78 Accepts]: Start accepts. Automaton has 76833 states and 108758 transitions. Word has length 90 [2023-12-25 09:54:41,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:54:41,295 INFO L495 AbstractCegarLoop]: Abstraction has 76833 states and 108758 transitions. [2023-12-25 09:54:41,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.0) internal successors, (90), 15 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:41,295 INFO L276 IsEmpty]: Start isEmpty. Operand 76833 states and 108758 transitions. [2023-12-25 09:54:41,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-25 09:54:41,300 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:54:41,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:54:41,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Ended with exit code 0 [2023-12-25 09:54:41,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:54:41,507 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:54:41,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:54:41,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1317489465, now seen corresponding path program 1 times [2023-12-25 09:54:41,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:54:41,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180742292] [2023-12-25 09:54:41,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:54:41,509 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:54:41,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:54:41,510 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:54:41,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (65)] Waiting until timeout for monitored process [2023-12-25 09:54:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:54:42,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:54:42,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:54:42,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:54:42,735 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:54:42,735 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:54:42,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180742292] [2023-12-25 09:54:42,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1180742292] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:54:42,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:54:42,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:54:42,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917126099] [2023-12-25 09:54:42,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:54:42,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:54:42,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:54:42,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:54:42,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:54:42,736 INFO L87 Difference]: Start difference. First operand 76833 states and 108758 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:48,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:54:48,238 INFO L93 Difference]: Finished difference Result 77034 states and 109023 transitions. [2023-12-25 09:54:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:54:48,239 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-25 09:54:48,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:54:48,333 INFO L225 Difference]: With dead ends: 77034 [2023-12-25 09:54:48,333 INFO L226 Difference]: Without dead ends: 76918 [2023-12-25 09:54:48,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:54:48,362 INFO L413 NwaCegarLoop]: 1283 mSDtfsCounter, 5535 mSDsluCounter, 3733 mSDsCounter, 0 mSdLazyCounter, 4726 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5535 SdHoareTripleChecker+Valid, 5016 SdHoareTripleChecker+Invalid, 4757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 4726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-12-25 09:54:48,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5535 Valid, 5016 Invalid, 4757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 4726 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-12-25 09:54:48,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76918 states. [2023-12-25 09:54:49,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76918 to 76833. [2023-12-25 09:54:49,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76833 states, 76827 states have (on average 1.415609095760605) internal successors, (108757), 76832 states have internal predecessors, (108757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:49,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76833 states to 76833 states and 108757 transitions. [2023-12-25 09:54:49,348 INFO L78 Accepts]: Start accepts. Automaton has 76833 states and 108757 transitions. Word has length 91 [2023-12-25 09:54:49,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:54:49,349 INFO L495 AbstractCegarLoop]: Abstraction has 76833 states and 108757 transitions. [2023-12-25 09:54:49,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:49,349 INFO L276 IsEmpty]: Start isEmpty. Operand 76833 states and 108757 transitions. [2023-12-25 09:54:49,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-25 09:54:49,354 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:54:49,354 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:54:49,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (65)] Ended with exit code 0 [2023-12-25 09:54:49,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:54:49,555 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:54:49,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:54:49,555 INFO L85 PathProgramCache]: Analyzing trace with hash -2041947262, now seen corresponding path program 1 times [2023-12-25 09:54:49,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:54:49,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816455029] [2023-12-25 09:54:49,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:54:49,556 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:54:49,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:54:49,557 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:54:49,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (66)] Waiting until timeout for monitored process [2023-12-25 09:54:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:54:50,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:54:50,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:54:50,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:54:50,686 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:54:50,686 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:54:50,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816455029] [2023-12-25 09:54:50,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [816455029] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:54:50,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:54:50,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:54:50,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416478626] [2023-12-25 09:54:50,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:54:50,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:54:50,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:54:50,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:54:50,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:54:50,687 INFO L87 Difference]: Start difference. First operand 76833 states and 108757 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:56,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:54:56,094 INFO L93 Difference]: Finished difference Result 77034 states and 109022 transitions. [2023-12-25 09:54:56,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:54:56,095 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-25 09:54:56,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:54:56,187 INFO L225 Difference]: With dead ends: 77034 [2023-12-25 09:54:56,188 INFO L226 Difference]: Without dead ends: 76918 [2023-12-25 09:54:56,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:54:56,216 INFO L413 NwaCegarLoop]: 1283 mSDtfsCounter, 8183 mSDsluCounter, 3733 mSDsCounter, 0 mSdLazyCounter, 4722 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8183 SdHoareTripleChecker+Valid, 5016 SdHoareTripleChecker+Invalid, 4753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 4722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:54:56,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8183 Valid, 5016 Invalid, 4753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 4722 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-12-25 09:54:56,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76918 states. [2023-12-25 09:54:56,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76918 to 76833. [2023-12-25 09:54:56,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76833 states, 76827 states have (on average 1.4155960795032996) internal successors, (108756), 76832 states have internal predecessors, (108756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:57,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76833 states to 76833 states and 108756 transitions. [2023-12-25 09:54:57,079 INFO L78 Accepts]: Start accepts. Automaton has 76833 states and 108756 transitions. Word has length 91 [2023-12-25 09:54:57,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:54:57,079 INFO L495 AbstractCegarLoop]: Abstraction has 76833 states and 108756 transitions. [2023-12-25 09:54:57,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:54:57,080 INFO L276 IsEmpty]: Start isEmpty. Operand 76833 states and 108756 transitions. [2023-12-25 09:54:57,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-25 09:54:57,085 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:54:57,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:54:57,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (66)] Forceful destruction successful, exit code 0 [2023-12-25 09:54:57,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:54:57,285 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:54:57,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:54:57,286 INFO L85 PathProgramCache]: Analyzing trace with hash -551580265, now seen corresponding path program 1 times [2023-12-25 09:54:57,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:54:57,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159730791] [2023-12-25 09:54:57,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:54:57,286 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:54:57,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:54:57,287 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:54:57,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (67)] Waiting until timeout for monitored process [2023-12-25 09:54:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:54:58,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-25 09:54:58,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:54:59,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:54:59,295 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:54:59,295 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:54:59,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [159730791] [2023-12-25 09:54:59,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [159730791] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:54:59,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:54:59,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-12-25 09:54:59,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341230622] [2023-12-25 09:54:59,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:54:59,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-25 09:54:59,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:54:59,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-25 09:54:59,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:54:59,296 INFO L87 Difference]: Start difference. First operand 76833 states and 108756 transitions. Second operand has 15 states, 15 states have (on average 6.066666666666666) internal successors, (91), 15 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:05,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:55:05,570 INFO L93 Difference]: Finished difference Result 144300 states and 203565 transitions. [2023-12-25 09:55:05,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-25 09:55:05,570 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.066666666666666) internal successors, (91), 15 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-25 09:55:05,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:55:05,874 INFO L225 Difference]: With dead ends: 144300 [2023-12-25 09:55:05,874 INFO L226 Difference]: Without dead ends: 143944 [2023-12-25 09:55:05,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2023-12-25 09:55:05,903 INFO L413 NwaCegarLoop]: 2866 mSDtfsCounter, 10593 mSDsluCounter, 22092 mSDsCounter, 0 mSdLazyCounter, 3785 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10593 SdHoareTripleChecker+Valid, 24958 SdHoareTripleChecker+Invalid, 3793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 3785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-12-25 09:55:05,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10593 Valid, 24958 Invalid, 3793 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 3785 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-12-25 09:55:06,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143944 states. [2023-12-25 09:55:07,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143944 to 76797. [2023-12-25 09:55:07,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76797 states, 76791 states have (on average 1.4157258012006615) internal successors, (108715), 76796 states have internal predecessors, (108715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:07,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76797 states to 76797 states and 108715 transitions. [2023-12-25 09:55:07,277 INFO L78 Accepts]: Start accepts. Automaton has 76797 states and 108715 transitions. Word has length 91 [2023-12-25 09:55:07,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:55:07,278 INFO L495 AbstractCegarLoop]: Abstraction has 76797 states and 108715 transitions. [2023-12-25 09:55:07,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.066666666666666) internal successors, (91), 15 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:07,278 INFO L276 IsEmpty]: Start isEmpty. Operand 76797 states and 108715 transitions. [2023-12-25 09:55:07,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-25 09:55:07,283 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:55:07,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:55:07,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (67)] Forceful destruction successful, exit code 0 [2023-12-25 09:55:07,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:55:07,484 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:55:07,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:55:07,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1192841983, now seen corresponding path program 1 times [2023-12-25 09:55:07,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:55:07,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1376009325] [2023-12-25 09:55:07,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:55:07,485 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:55:07,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:55:07,486 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:55:07,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (68)] Waiting until timeout for monitored process [2023-12-25 09:55:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:55:08,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 09:55:08,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:55:08,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:55:08,698 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:55:08,698 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:55:08,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1376009325] [2023-12-25 09:55:08,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1376009325] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:55:08,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:55:08,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-25 09:55:08,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678207109] [2023-12-25 09:55:08,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:55:08,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-25 09:55:08,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:55:08,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-25 09:55:08,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-25 09:55:08,700 INFO L87 Difference]: Start difference. First operand 76797 states and 108715 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:11,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:55:11,423 INFO L93 Difference]: Finished difference Result 133148 states and 188396 transitions. [2023-12-25 09:55:11,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 09:55:11,424 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-25 09:55:11,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:55:11,600 INFO L225 Difference]: With dead ends: 133148 [2023-12-25 09:55:11,600 INFO L226 Difference]: Without dead ends: 132785 [2023-12-25 09:55:11,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2023-12-25 09:55:11,647 INFO L413 NwaCegarLoop]: 2224 mSDtfsCounter, 10499 mSDsluCounter, 9627 mSDsCounter, 0 mSdLazyCounter, 1403 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10499 SdHoareTripleChecker+Valid, 11851 SdHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-25 09:55:11,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10499 Valid, 11851 Invalid, 1404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1403 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-25 09:55:11,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132785 states. [2023-12-25 09:55:12,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132785 to 76754. [2023-12-25 09:55:12,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76754 states, 76748 states have (on average 1.4158805441184135) internal successors, (108666), 76753 states have internal predecessors, (108666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:12,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76754 states to 76754 states and 108666 transitions. [2023-12-25 09:55:12,856 INFO L78 Accepts]: Start accepts. Automaton has 76754 states and 108666 transitions. Word has length 91 [2023-12-25 09:55:12,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:55:12,856 INFO L495 AbstractCegarLoop]: Abstraction has 76754 states and 108666 transitions. [2023-12-25 09:55:12,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:12,856 INFO L276 IsEmpty]: Start isEmpty. Operand 76754 states and 108666 transitions. [2023-12-25 09:55:12,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-25 09:55:12,862 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:55:12,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:55:12,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (68)] Forceful destruction successful, exit code 0 [2023-12-25 09:55:13,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:55:13,063 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:55:13,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:55:13,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1015152029, now seen corresponding path program 1 times [2023-12-25 09:55:13,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:55:13,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [553770146] [2023-12-25 09:55:13,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:55:13,064 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:55:13,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:55:13,065 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:55:13,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Waiting until timeout for monitored process [2023-12-25 09:55:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:55:13,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:55:13,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:55:14,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:55:14,244 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:55:14,244 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:55:14,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [553770146] [2023-12-25 09:55:14,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [553770146] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:55:14,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:55:14,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:55:14,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194221785] [2023-12-25 09:55:14,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:55:14,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:55:14,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:55:14,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:55:14,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:55:14,245 INFO L87 Difference]: Start difference. First operand 76754 states and 108666 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:19,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:55:19,470 INFO L93 Difference]: Finished difference Result 76933 states and 108903 transitions. [2023-12-25 09:55:19,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:55:19,470 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2023-12-25 09:55:19,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:55:19,543 INFO L225 Difference]: With dead ends: 76933 [2023-12-25 09:55:19,543 INFO L226 Difference]: Without dead ends: 76839 [2023-12-25 09:55:19,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:55:19,554 INFO L413 NwaCegarLoop]: 1252 mSDtfsCounter, 7997 mSDsluCounter, 3672 mSDsCounter, 0 mSdLazyCounter, 4477 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7997 SdHoareTripleChecker+Valid, 4924 SdHoareTripleChecker+Invalid, 4511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 4477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-25 09:55:19,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7997 Valid, 4924 Invalid, 4511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 4477 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-12-25 09:55:19,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76839 states. [2023-12-25 09:55:20,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76839 to 76754. [2023-12-25 09:55:20,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76754 states, 76748 states have (on average 1.4158675144629176) internal successors, (108665), 76753 states have internal predecessors, (108665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:20,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76754 states to 76754 states and 108665 transitions. [2023-12-25 09:55:20,283 INFO L78 Accepts]: Start accepts. Automaton has 76754 states and 108665 transitions. Word has length 92 [2023-12-25 09:55:20,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:55:20,283 INFO L495 AbstractCegarLoop]: Abstraction has 76754 states and 108665 transitions. [2023-12-25 09:55:20,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:20,283 INFO L276 IsEmpty]: Start isEmpty. Operand 76754 states and 108665 transitions. [2023-12-25 09:55:20,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-25 09:55:20,288 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:55:20,288 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:55:20,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Forceful destruction successful, exit code 0 [2023-12-25 09:55:20,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:55:20,489 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:55:20,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:55:20,489 INFO L85 PathProgramCache]: Analyzing trace with hash 831097020, now seen corresponding path program 1 times [2023-12-25 09:55:20,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:55:20,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [117742453] [2023-12-25 09:55:20,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:55:20,490 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:55:20,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:55:20,491 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:55:20,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Waiting until timeout for monitored process [2023-12-25 09:55:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:55:21,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:55:21,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:55:21,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:55:21,684 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:55:21,684 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:55:21,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [117742453] [2023-12-25 09:55:21,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [117742453] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:55:21,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:55:21,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:55:21,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146557342] [2023-12-25 09:55:21,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:55:21,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:55:21,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:55:21,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:55:21,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:55:21,685 INFO L87 Difference]: Start difference. First operand 76754 states and 108665 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:27,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:55:27,174 INFO L93 Difference]: Finished difference Result 76933 states and 108902 transitions. [2023-12-25 09:55:27,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:55:27,174 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2023-12-25 09:55:27,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:55:27,275 INFO L225 Difference]: With dead ends: 76933 [2023-12-25 09:55:27,275 INFO L226 Difference]: Without dead ends: 76839 [2023-12-25 09:55:27,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:55:27,299 INFO L413 NwaCegarLoop]: 1252 mSDtfsCounter, 8063 mSDsluCounter, 3672 mSDsCounter, 0 mSdLazyCounter, 4473 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8063 SdHoareTripleChecker+Valid, 4924 SdHoareTripleChecker+Invalid, 4507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 4473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-12-25 09:55:27,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8063 Valid, 4924 Invalid, 4507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 4473 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-12-25 09:55:27,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76839 states. [2023-12-25 09:55:27,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76839 to 76754. [2023-12-25 09:55:28,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76754 states, 76748 states have (on average 1.4158544848074217) internal successors, (108664), 76753 states have internal predecessors, (108664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:28,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76754 states to 76754 states and 108664 transitions. [2023-12-25 09:55:28,145 INFO L78 Accepts]: Start accepts. Automaton has 76754 states and 108664 transitions. Word has length 92 [2023-12-25 09:55:28,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:55:28,146 INFO L495 AbstractCegarLoop]: Abstraction has 76754 states and 108664 transitions. [2023-12-25 09:55:28,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:28,146 INFO L276 IsEmpty]: Start isEmpty. Operand 76754 states and 108664 transitions. [2023-12-25 09:55:28,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-25 09:55:28,152 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:55:28,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:55:28,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Forceful destruction successful, exit code 0 [2023-12-25 09:55:28,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:55:28,353 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:55:28,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:55:28,353 INFO L85 PathProgramCache]: Analyzing trace with hash 673840425, now seen corresponding path program 1 times [2023-12-25 09:55:28,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:55:28,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1033331609] [2023-12-25 09:55:28,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:55:28,354 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:55:28,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:55:28,355 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:55:28,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (71)] Waiting until timeout for monitored process [2023-12-25 09:55:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:55:29,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:55:29,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:55:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:55:29,673 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:55:29,673 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:55:29,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1033331609] [2023-12-25 09:55:29,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1033331609] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:55:29,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:55:29,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:55:29,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333640239] [2023-12-25 09:55:29,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:55:29,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:55:29,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:55:29,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:55:29,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:55:29,674 INFO L87 Difference]: Start difference. First operand 76754 states and 108664 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:35,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:55:35,294 INFO L93 Difference]: Finished difference Result 76963 states and 108937 transitions. [2023-12-25 09:55:35,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:55:35,294 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-25 09:55:35,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:55:35,377 INFO L225 Difference]: With dead ends: 76963 [2023-12-25 09:55:35,377 INFO L226 Difference]: Without dead ends: 76839 [2023-12-25 09:55:35,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:55:35,396 INFO L413 NwaCegarLoop]: 1253 mSDtfsCounter, 5798 mSDsluCounter, 3632 mSDsCounter, 0 mSdLazyCounter, 4539 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5798 SdHoareTripleChecker+Valid, 4885 SdHoareTripleChecker+Invalid, 4569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 4539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-12-25 09:55:35,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5798 Valid, 4885 Invalid, 4569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 4539 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-12-25 09:55:35,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76839 states. [2023-12-25 09:55:36,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76839 to 76754. [2023-12-25 09:55:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76754 states, 76748 states have (on average 1.4158414551519258) internal successors, (108663), 76753 states have internal predecessors, (108663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:36,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76754 states to 76754 states and 108663 transitions. [2023-12-25 09:55:36,239 INFO L78 Accepts]: Start accepts. Automaton has 76754 states and 108663 transitions. Word has length 93 [2023-12-25 09:55:36,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:55:36,239 INFO L495 AbstractCegarLoop]: Abstraction has 76754 states and 108663 transitions. [2023-12-25 09:55:36,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:36,240 INFO L276 IsEmpty]: Start isEmpty. Operand 76754 states and 108663 transitions. [2023-12-25 09:55:36,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-25 09:55:36,246 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:55:36,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:55:36,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (71)] Forceful destruction successful, exit code 0 [2023-12-25 09:55:36,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:55:36,446 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:55:36,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:55:36,447 INFO L85 PathProgramCache]: Analyzing trace with hash -164765031, now seen corresponding path program 1 times [2023-12-25 09:55:36,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:55:36,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1842696338] [2023-12-25 09:55:36,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:55:36,448 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:55:36,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:55:36,449 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:55:36,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (72)] Waiting until timeout for monitored process [2023-12-25 09:55:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:55:37,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:55:37,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:55:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:55:37,743 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:55:37,743 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:55:37,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1842696338] [2023-12-25 09:55:37,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1842696338] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:55:37,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:55:37,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:55:37,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112956769] [2023-12-25 09:55:37,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:55:37,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:55:37,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:55:37,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:55:37,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:55:37,744 INFO L87 Difference]: Start difference. First operand 76754 states and 108663 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:43,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:55:43,363 INFO L93 Difference]: Finished difference Result 76938 states and 108905 transitions. [2023-12-25 09:55:43,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:55:43,363 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-25 09:55:43,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:55:43,450 INFO L225 Difference]: With dead ends: 76938 [2023-12-25 09:55:43,450 INFO L226 Difference]: Without dead ends: 76839 [2023-12-25 09:55:43,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:55:43,463 INFO L413 NwaCegarLoop]: 1252 mSDtfsCounter, 7643 mSDsluCounter, 3666 mSDsCounter, 0 mSdLazyCounter, 4464 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7643 SdHoareTripleChecker+Valid, 4918 SdHoareTripleChecker+Invalid, 4498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 4464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-12-25 09:55:43,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7643 Valid, 4918 Invalid, 4498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 4464 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-12-25 09:55:43,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76839 states. [2023-12-25 09:55:44,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76839 to 76754. [2023-12-25 09:55:44,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76754 states, 76748 states have (on average 1.41582842549643) internal successors, (108662), 76753 states have internal predecessors, (108662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:44,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76754 states to 76754 states and 108662 transitions. [2023-12-25 09:55:44,260 INFO L78 Accepts]: Start accepts. Automaton has 76754 states and 108662 transitions. Word has length 93 [2023-12-25 09:55:44,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:55:44,260 INFO L495 AbstractCegarLoop]: Abstraction has 76754 states and 108662 transitions. [2023-12-25 09:55:44,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:44,261 INFO L276 IsEmpty]: Start isEmpty. Operand 76754 states and 108662 transitions. [2023-12-25 09:55:44,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-25 09:55:44,267 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:55:44,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:55:44,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (72)] Forceful destruction successful, exit code 0 [2023-12-25 09:55:44,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:55:44,467 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:55:44,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:55:44,468 INFO L85 PathProgramCache]: Analyzing trace with hash 17657802, now seen corresponding path program 1 times [2023-12-25 09:55:44,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:55:44,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1825902218] [2023-12-25 09:55:44,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:55:44,469 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:55:44,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:55:44,470 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:55:44,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (73)] Waiting until timeout for monitored process [2023-12-25 09:55:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:55:45,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:55:45,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:55:45,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:55:45,684 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:55:45,684 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:55:45,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1825902218] [2023-12-25 09:55:45,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1825902218] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:55:45,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:55:45,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:55:45,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922384373] [2023-12-25 09:55:45,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:55:45,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:55:45,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:55:45,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:55:45,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:55:45,685 INFO L87 Difference]: Start difference. First operand 76754 states and 108662 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:50,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:55:50,964 INFO L93 Difference]: Finished difference Result 76933 states and 108899 transitions. [2023-12-25 09:55:50,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:55:50,964 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-25 09:55:50,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:55:51,042 INFO L225 Difference]: With dead ends: 76933 [2023-12-25 09:55:51,043 INFO L226 Difference]: Without dead ends: 76839 [2023-12-25 09:55:51,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:55:51,055 INFO L413 NwaCegarLoop]: 1252 mSDtfsCounter, 5480 mSDsluCounter, 3672 mSDsCounter, 0 mSdLazyCounter, 4462 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5480 SdHoareTripleChecker+Valid, 4924 SdHoareTripleChecker+Invalid, 4496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 4462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-25 09:55:51,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5480 Valid, 4924 Invalid, 4496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 4462 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-12-25 09:55:51,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76839 states. [2023-12-25 09:55:51,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76839 to 76754. [2023-12-25 09:55:51,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76754 states, 76748 states have (on average 1.415815395840934) internal successors, (108661), 76753 states have internal predecessors, (108661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:52,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76754 states to 76754 states and 108661 transitions. [2023-12-25 09:55:52,004 INFO L78 Accepts]: Start accepts. Automaton has 76754 states and 108661 transitions. Word has length 93 [2023-12-25 09:55:52,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:55:52,004 INFO L495 AbstractCegarLoop]: Abstraction has 76754 states and 108661 transitions. [2023-12-25 09:55:52,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:52,004 INFO L276 IsEmpty]: Start isEmpty. Operand 76754 states and 108661 transitions. [2023-12-25 09:55:52,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-25 09:55:52,011 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:55:52,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:55:52,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (73)] Forceful destruction successful, exit code 0 [2023-12-25 09:55:52,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:55:52,219 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:55:52,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:55:52,219 INFO L85 PathProgramCache]: Analyzing trace with hash 921966063, now seen corresponding path program 1 times [2023-12-25 09:55:52,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:55:52,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007447607] [2023-12-25 09:55:52,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:55:52,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:55:52,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:55:52,221 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:55:52,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (74)] Waiting until timeout for monitored process [2023-12-25 09:55:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:55:52,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:55:52,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:55:53,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:55:53,353 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:55:53,353 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:55:53,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007447607] [2023-12-25 09:55:53,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1007447607] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:55:53,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:55:53,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:55:53,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574491234] [2023-12-25 09:55:53,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:55:53,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:55:53,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:55:53,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:55:53,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:55:53,355 INFO L87 Difference]: Start difference. First operand 76754 states and 108661 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:58,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:55:58,505 INFO L93 Difference]: Finished difference Result 76931 states and 108896 transitions. [2023-12-25 09:55:58,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:55:58,506 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-25 09:55:58,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:55:58,589 INFO L225 Difference]: With dead ends: 76931 [2023-12-25 09:55:58,589 INFO L226 Difference]: Without dead ends: 76839 [2023-12-25 09:55:58,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:55:58,596 INFO L413 NwaCegarLoop]: 1239 mSDtfsCounter, 7784 mSDsluCounter, 3653 mSDsCounter, 0 mSdLazyCounter, 4445 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7784 SdHoareTripleChecker+Valid, 4892 SdHoareTripleChecker+Invalid, 4479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 4445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-25 09:55:58,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7784 Valid, 4892 Invalid, 4479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 4445 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-12-25 09:55:58,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76839 states. [2023-12-25 09:55:59,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76839 to 76754. [2023-12-25 09:55:59,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76754 states, 76748 states have (on average 1.415802366185438) internal successors, (108660), 76753 states have internal predecessors, (108660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:59,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76754 states to 76754 states and 108660 transitions. [2023-12-25 09:55:59,630 INFO L78 Accepts]: Start accepts. Automaton has 76754 states and 108660 transitions. Word has length 93 [2023-12-25 09:55:59,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:55:59,630 INFO L495 AbstractCegarLoop]: Abstraction has 76754 states and 108660 transitions. [2023-12-25 09:55:59,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:55:59,630 INFO L276 IsEmpty]: Start isEmpty. Operand 76754 states and 108660 transitions. [2023-12-25 09:55:59,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-25 09:55:59,637 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:55:59,637 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:55:59,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (74)] Forceful destruction successful, exit code 0 [2023-12-25 09:55:59,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 74 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:55:59,847 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:55:59,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:55:59,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1969409794, now seen corresponding path program 1 times [2023-12-25 09:55:59,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:55:59,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13357787] [2023-12-25 09:55:59,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:55:59,848 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:55:59,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:55:59,850 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:55:59,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (75)] Waiting until timeout for monitored process [2023-12-25 09:56:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:56:00,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:56:00,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:56:01,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:56:01,198 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:56:01,198 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:56:01,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13357787] [2023-12-25 09:56:01,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [13357787] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:56:01,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:56:01,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:56:01,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586152092] [2023-12-25 09:56:01,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:56:01,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:56:01,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:56:01,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:56:01,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:56:01,199 INFO L87 Difference]: Start difference. First operand 76754 states and 108660 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:06,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:56:06,892 INFO L93 Difference]: Finished difference Result 76932 states and 108895 transitions. [2023-12-25 09:56:06,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:56:06,893 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-12-25 09:56:06,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:56:06,972 INFO L225 Difference]: With dead ends: 76932 [2023-12-25 09:56:06,972 INFO L226 Difference]: Without dead ends: 76846 [2023-12-25 09:56:06,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:56:06,979 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 5542 mSDsluCounter, 3591 mSDsCounter, 0 mSdLazyCounter, 4398 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5542 SdHoareTripleChecker+Valid, 4832 SdHoareTripleChecker+Invalid, 4440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-12-25 09:56:06,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5542 Valid, 4832 Invalid, 4440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4398 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-12-25 09:56:07,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76846 states. [2023-12-25 09:56:07,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76846 to 76751. [2023-12-25 09:56:07,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76751 states, 76745 states have (on average 1.4158055899407127) internal successors, (108656), 76750 states have internal predecessors, (108656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:07,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76751 states to 76751 states and 108656 transitions. [2023-12-25 09:56:07,771 INFO L78 Accepts]: Start accepts. Automaton has 76751 states and 108656 transitions. Word has length 94 [2023-12-25 09:56:07,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:56:07,771 INFO L495 AbstractCegarLoop]: Abstraction has 76751 states and 108656 transitions. [2023-12-25 09:56:07,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:07,772 INFO L276 IsEmpty]: Start isEmpty. Operand 76751 states and 108656 transitions. [2023-12-25 09:56:07,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-25 09:56:07,778 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:56:07,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:56:07,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (75)] Forceful destruction successful, exit code 0 [2023-12-25 09:56:07,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:56:07,979 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:56:07,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:56:07,979 INFO L85 PathProgramCache]: Analyzing trace with hash 873271626, now seen corresponding path program 1 times [2023-12-25 09:56:07,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:56:07,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1943024965] [2023-12-25 09:56:07,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:56:07,980 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:56:07,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:56:07,981 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:56:07,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (76)] Waiting until timeout for monitored process [2023-12-25 09:56:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:56:08,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:56:08,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:56:09,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:56:09,266 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:56:09,266 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:56:09,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1943024965] [2023-12-25 09:56:09,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1943024965] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:56:09,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:56:09,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:56:09,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195405657] [2023-12-25 09:56:09,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:56:09,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:56:09,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:56:09,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:56:09,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:56:09,267 INFO L87 Difference]: Start difference. First operand 76751 states and 108656 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:14,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:56:14,422 INFO L93 Difference]: Finished difference Result 76935 states and 108898 transitions. [2023-12-25 09:56:14,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:56:14,423 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-12-25 09:56:14,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:56:14,506 INFO L225 Difference]: With dead ends: 76935 [2023-12-25 09:56:14,506 INFO L226 Difference]: Without dead ends: 76836 [2023-12-25 09:56:14,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:56:14,530 INFO L413 NwaCegarLoop]: 1246 mSDtfsCounter, 5482 mSDsluCounter, 3653 mSDsCounter, 0 mSdLazyCounter, 4444 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5482 SdHoareTripleChecker+Valid, 4899 SdHoareTripleChecker+Invalid, 4478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 4444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-25 09:56:14,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5482 Valid, 4899 Invalid, 4478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 4444 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-12-25 09:56:14,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76836 states. [2023-12-25 09:56:15,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76836 to 76751. [2023-12-25 09:56:15,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76751 states, 76745 states have (on average 1.4157925597758811) internal successors, (108655), 76750 states have internal predecessors, (108655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:15,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76751 states to 76751 states and 108655 transitions. [2023-12-25 09:56:15,474 INFO L78 Accepts]: Start accepts. Automaton has 76751 states and 108655 transitions. Word has length 94 [2023-12-25 09:56:15,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:56:15,474 INFO L495 AbstractCegarLoop]: Abstraction has 76751 states and 108655 transitions. [2023-12-25 09:56:15,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:15,474 INFO L276 IsEmpty]: Start isEmpty. Operand 76751 states and 108655 transitions. [2023-12-25 09:56:15,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-25 09:56:15,481 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:56:15,481 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:56:15,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (76)] Forceful destruction successful, exit code 0 [2023-12-25 09:56:15,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 76 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:56:15,682 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:56:15,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:56:15,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1944654321, now seen corresponding path program 1 times [2023-12-25 09:56:15,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:56:15,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808318832] [2023-12-25 09:56:15,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:56:15,688 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:56:15,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:56:15,689 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:56:15,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (77)] Waiting until timeout for monitored process [2023-12-25 09:56:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:56:16,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:56:16,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:56:16,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:56:16,833 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:56:16,833 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:56:16,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808318832] [2023-12-25 09:56:16,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808318832] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:56:16,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:56:16,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:56:16,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75013223] [2023-12-25 09:56:16,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:56:16,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:56:16,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:56:16,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:56:16,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:56:16,834 INFO L87 Difference]: Start difference. First operand 76751 states and 108655 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:22,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:56:22,168 INFO L93 Difference]: Finished difference Result 76935 states and 108897 transitions. [2023-12-25 09:56:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:56:22,168 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-12-25 09:56:22,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:56:22,260 INFO L225 Difference]: With dead ends: 76935 [2023-12-25 09:56:22,260 INFO L226 Difference]: Without dead ends: 76836 [2023-12-25 09:56:22,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:56:22,286 INFO L413 NwaCegarLoop]: 1250 mSDtfsCounter, 5472 mSDsluCounter, 3661 mSDsCounter, 0 mSdLazyCounter, 4440 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5472 SdHoareTripleChecker+Valid, 4911 SdHoareTripleChecker+Invalid, 4474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 4440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-12-25 09:56:22,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5472 Valid, 4911 Invalid, 4474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 4440 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-12-25 09:56:22,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76836 states. [2023-12-25 09:56:22,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76836 to 76751. [2023-12-25 09:56:23,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76751 states, 76745 states have (on average 1.4157795296110496) internal successors, (108654), 76750 states have internal predecessors, (108654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:23,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76751 states to 76751 states and 108654 transitions. [2023-12-25 09:56:23,283 INFO L78 Accepts]: Start accepts. Automaton has 76751 states and 108654 transitions. Word has length 94 [2023-12-25 09:56:23,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:56:23,283 INFO L495 AbstractCegarLoop]: Abstraction has 76751 states and 108654 transitions. [2023-12-25 09:56:23,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:23,283 INFO L276 IsEmpty]: Start isEmpty. Operand 76751 states and 108654 transitions. [2023-12-25 09:56:23,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-25 09:56:23,290 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:56:23,290 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:56:23,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (77)] Ended with exit code 0 [2023-12-25 09:56:23,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 77 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:56:23,491 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:56:23,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:56:23,491 INFO L85 PathProgramCache]: Analyzing trace with hash -784301247, now seen corresponding path program 1 times [2023-12-25 09:56:23,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:56:23,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2120916601] [2023-12-25 09:56:23,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:56:23,492 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:56:23,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:56:23,493 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:56:23,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (78)] Waiting until timeout for monitored process [2023-12-25 09:56:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:56:24,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:56:24,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:56:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:56:24,652 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:56:24,652 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:56:24,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2120916601] [2023-12-25 09:56:24,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2120916601] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:56:24,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:56:24,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:56:24,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645668033] [2023-12-25 09:56:24,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:56:24,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:56:24,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:56:24,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:56:24,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:56:24,653 INFO L87 Difference]: Start difference. First operand 76751 states and 108654 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:29,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:56:29,723 INFO L93 Difference]: Finished difference Result 76932 states and 108892 transitions. [2023-12-25 09:56:29,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:56:29,724 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-25 09:56:29,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:56:29,811 INFO L225 Difference]: With dead ends: 76932 [2023-12-25 09:56:29,812 INFO L226 Difference]: Without dead ends: 76846 [2023-12-25 09:56:29,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:56:29,838 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 8087 mSDsluCounter, 3590 mSDsCounter, 0 mSdLazyCounter, 4387 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8087 SdHoareTripleChecker+Valid, 4831 SdHoareTripleChecker+Invalid, 4429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-25 09:56:29,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8087 Valid, 4831 Invalid, 4429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4387 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-12-25 09:56:29,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76846 states. [2023-12-25 09:56:30,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76846 to 76751. [2023-12-25 09:56:30,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76751 states, 76745 states have (on average 1.415766499446218) internal successors, (108653), 76750 states have internal predecessors, (108653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:30,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76751 states to 76751 states and 108653 transitions. [2023-12-25 09:56:30,823 INFO L78 Accepts]: Start accepts. Automaton has 76751 states and 108653 transitions. Word has length 95 [2023-12-25 09:56:30,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:56:30,823 INFO L495 AbstractCegarLoop]: Abstraction has 76751 states and 108653 transitions. [2023-12-25 09:56:30,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:30,823 INFO L276 IsEmpty]: Start isEmpty. Operand 76751 states and 108653 transitions. [2023-12-25 09:56:30,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-25 09:56:30,830 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:56:30,830 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:56:30,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (78)] Forceful destruction successful, exit code 0 [2023-12-25 09:56:31,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:56:31,031 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:56:31,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:56:31,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1995333181, now seen corresponding path program 1 times [2023-12-25 09:56:31,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:56:31,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703769594] [2023-12-25 09:56:31,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:56:31,033 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:56:31,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:56:31,034 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:56:31,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (79)] Waiting until timeout for monitored process [2023-12-25 09:56:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:56:31,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:56:31,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:56:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:56:32,178 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:56:32,178 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:56:32,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [703769594] [2023-12-25 09:56:32,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [703769594] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:56:32,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:56:32,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:56:32,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213532849] [2023-12-25 09:56:32,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:56:32,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:56:32,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:56:32,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:56:32,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:56:32,179 INFO L87 Difference]: Start difference. First operand 76751 states and 108653 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:37,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:56:37,256 INFO L93 Difference]: Finished difference Result 76932 states and 108891 transitions. [2023-12-25 09:56:37,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:56:37,256 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-25 09:56:37,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:56:37,341 INFO L225 Difference]: With dead ends: 76932 [2023-12-25 09:56:37,341 INFO L226 Difference]: Without dead ends: 76846 [2023-12-25 09:56:37,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:56:37,366 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 8074 mSDsluCounter, 3590 mSDsCounter, 0 mSdLazyCounter, 4383 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8074 SdHoareTripleChecker+Valid, 4831 SdHoareTripleChecker+Invalid, 4425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-25 09:56:37,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8074 Valid, 4831 Invalid, 4425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4383 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-12-25 09:56:37,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76846 states. [2023-12-25 09:56:38,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76846 to 76751. [2023-12-25 09:56:38,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76751 states, 76745 states have (on average 1.4157534692813865) internal successors, (108652), 76750 states have internal predecessors, (108652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:38,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76751 states to 76751 states and 108652 transitions. [2023-12-25 09:56:38,390 INFO L78 Accepts]: Start accepts. Automaton has 76751 states and 108652 transitions. Word has length 95 [2023-12-25 09:56:38,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:56:38,390 INFO L495 AbstractCegarLoop]: Abstraction has 76751 states and 108652 transitions. [2023-12-25 09:56:38,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:38,390 INFO L276 IsEmpty]: Start isEmpty. Operand 76751 states and 108652 transitions. [2023-12-25 09:56:38,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-25 09:56:38,397 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:56:38,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:56:38,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (79)] Ended with exit code 0 [2023-12-25 09:56:38,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:56:38,603 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:56:38,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:56:38,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1210857304, now seen corresponding path program 1 times [2023-12-25 09:56:38,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:56:38,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177916137] [2023-12-25 09:56:38,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:56:38,604 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:56:38,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:56:38,605 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:56:38,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (80)] Waiting until timeout for monitored process [2023-12-25 09:56:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:56:39,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:56:39,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:56:39,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:56:39,834 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:56:39,834 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:56:39,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177916137] [2023-12-25 09:56:39,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [177916137] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:56:39,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:56:39,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:56:39,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428442049] [2023-12-25 09:56:39,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:56:39,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:56:39,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:56:39,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:56:39,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:56:39,835 INFO L87 Difference]: Start difference. First operand 76751 states and 108652 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:44,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:56:44,945 INFO L93 Difference]: Finished difference Result 76930 states and 108888 transitions. [2023-12-25 09:56:44,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:56:44,946 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-25 09:56:44,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:56:45,039 INFO L225 Difference]: With dead ends: 76930 [2023-12-25 09:56:45,039 INFO L226 Difference]: Without dead ends: 76846 [2023-12-25 09:56:45,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:56:45,064 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 8083 mSDsluCounter, 3591 mSDsCounter, 0 mSdLazyCounter, 4380 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8083 SdHoareTripleChecker+Valid, 4832 SdHoareTripleChecker+Invalid, 4422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-25 09:56:45,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8083 Valid, 4832 Invalid, 4422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4380 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-12-25 09:56:45,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76846 states. [2023-12-25 09:56:45,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76846 to 76751. [2023-12-25 09:56:45,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76751 states, 76745 states have (on average 1.415740439116555) internal successors, (108651), 76750 states have internal predecessors, (108651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:45,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76751 states to 76751 states and 108651 transitions. [2023-12-25 09:56:45,938 INFO L78 Accepts]: Start accepts. Automaton has 76751 states and 108651 transitions. Word has length 95 [2023-12-25 09:56:45,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:56:45,938 INFO L495 AbstractCegarLoop]: Abstraction has 76751 states and 108651 transitions. [2023-12-25 09:56:45,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:45,939 INFO L276 IsEmpty]: Start isEmpty. Operand 76751 states and 108651 transitions. [2023-12-25 09:56:45,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-25 09:56:45,945 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:56:45,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:56:45,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (80)] Ended with exit code 0 [2023-12-25 09:56:46,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 80 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:56:46,146 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:56:46,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:56:46,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1348774837, now seen corresponding path program 1 times [2023-12-25 09:56:46,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:56:46,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640413588] [2023-12-25 09:56:46,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:56:46,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:56:46,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:56:46,148 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:56:46,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (81)] Waiting until timeout for monitored process [2023-12-25 09:56:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:56:46,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:56:46,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:56:47,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:56:47,339 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:56:47,340 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:56:47,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640413588] [2023-12-25 09:56:47,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [640413588] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:56:47,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:56:47,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:56:47,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933463093] [2023-12-25 09:56:47,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:56:47,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:56:47,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:56:47,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:56:47,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:56:47,341 INFO L87 Difference]: Start difference. First operand 76751 states and 108651 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:52,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:56:52,631 INFO L93 Difference]: Finished difference Result 76932 states and 108889 transitions. [2023-12-25 09:56:52,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:56:52,631 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-25 09:56:52,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:56:52,714 INFO L225 Difference]: With dead ends: 76932 [2023-12-25 09:56:52,714 INFO L226 Difference]: Without dead ends: 76846 [2023-12-25 09:56:52,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:56:52,732 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 8078 mSDsluCounter, 3590 mSDsCounter, 0 mSdLazyCounter, 4375 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8078 SdHoareTripleChecker+Valid, 4831 SdHoareTripleChecker+Invalid, 4417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-12-25 09:56:52,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8078 Valid, 4831 Invalid, 4417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4375 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-12-25 09:56:52,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76846 states. [2023-12-25 09:56:53,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76846 to 76751. [2023-12-25 09:56:53,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76751 states, 76745 states have (on average 1.4157274089517233) internal successors, (108650), 76750 states have internal predecessors, (108650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:53,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76751 states to 76751 states and 108650 transitions. [2023-12-25 09:56:53,507 INFO L78 Accepts]: Start accepts. Automaton has 76751 states and 108650 transitions. Word has length 95 [2023-12-25 09:56:53,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:56:53,507 INFO L495 AbstractCegarLoop]: Abstraction has 76751 states and 108650 transitions. [2023-12-25 09:56:53,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:56:53,507 INFO L276 IsEmpty]: Start isEmpty. Operand 76751 states and 108650 transitions. [2023-12-25 09:56:53,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-25 09:56:53,514 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:56:53,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:56:53,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (81)] Forceful destruction successful, exit code 0 [2023-12-25 09:56:53,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 81 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:56:53,714 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:56:53,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:56:53,715 INFO L85 PathProgramCache]: Analyzing trace with hash -232635522, now seen corresponding path program 1 times [2023-12-25 09:56:53,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:56:53,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [847156732] [2023-12-25 09:56:53,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:56:53,715 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:56:53,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:56:53,716 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:56:53,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (82)] Waiting until timeout for monitored process [2023-12-25 09:56:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:56:54,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:56:54,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:56:55,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:56:55,050 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:56:55,050 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:56:55,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [847156732] [2023-12-25 09:56:55,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [847156732] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:56:55,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:56:55,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:56:55,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112267357] [2023-12-25 09:56:55,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:56:55,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:56:55,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:56:55,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:56:55,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:56:55,051 INFO L87 Difference]: Start difference. First operand 76751 states and 108650 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:00,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:57:00,254 INFO L93 Difference]: Finished difference Result 76932 states and 108888 transitions. [2023-12-25 09:57:00,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:57:00,254 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-25 09:57:00,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:57:00,338 INFO L225 Difference]: With dead ends: 76932 [2023-12-25 09:57:00,338 INFO L226 Difference]: Without dead ends: 76846 [2023-12-25 09:57:00,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:57:00,361 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 5527 mSDsluCounter, 3590 mSDsCounter, 0 mSdLazyCounter, 4371 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5527 SdHoareTripleChecker+Valid, 4831 SdHoareTripleChecker+Invalid, 4413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-25 09:57:00,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5527 Valid, 4831 Invalid, 4413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4371 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-12-25 09:57:00,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76846 states. [2023-12-25 09:57:00,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76846 to 76751. [2023-12-25 09:57:01,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76751 states, 76745 states have (on average 1.4157143787868915) internal successors, (108649), 76750 states have internal predecessors, (108649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:01,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76751 states to 76751 states and 108649 transitions. [2023-12-25 09:57:01,166 INFO L78 Accepts]: Start accepts. Automaton has 76751 states and 108649 transitions. Word has length 95 [2023-12-25 09:57:01,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:57:01,166 INFO L495 AbstractCegarLoop]: Abstraction has 76751 states and 108649 transitions. [2023-12-25 09:57:01,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:01,167 INFO L276 IsEmpty]: Start isEmpty. Operand 76751 states and 108649 transitions. [2023-12-25 09:57:01,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-25 09:57:01,174 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:57:01,174 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:57:01,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (82)] Forceful destruction successful, exit code 0 [2023-12-25 09:57:01,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 82 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:01,374 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:57:01,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:57:01,375 INFO L85 PathProgramCache]: Analyzing trace with hash -2058401469, now seen corresponding path program 1 times [2023-12-25 09:57:01,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:57:01,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [504323674] [2023-12-25 09:57:01,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:57:01,376 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:01,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:57:01,377 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:57:01,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (83)] Waiting until timeout for monitored process [2023-12-25 09:57:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:57:02,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:57:02,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:57:02,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:57:02,624 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:57:02,624 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:57:02,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [504323674] [2023-12-25 09:57:02,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [504323674] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:57:02,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:57:02,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:57:02,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107606777] [2023-12-25 09:57:02,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:57:02,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:57:02,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:57:02,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:57:02,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:57:02,625 INFO L87 Difference]: Start difference. First operand 76751 states and 108649 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:07,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:57:07,721 INFO L93 Difference]: Finished difference Result 76930 states and 108885 transitions. [2023-12-25 09:57:07,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:57:07,722 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-25 09:57:07,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:57:07,856 INFO L225 Difference]: With dead ends: 76930 [2023-12-25 09:57:07,856 INFO L226 Difference]: Without dead ends: 76846 [2023-12-25 09:57:07,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:57:07,862 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 5525 mSDsluCounter, 3591 mSDsCounter, 0 mSdLazyCounter, 4368 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5525 SdHoareTripleChecker+Valid, 4832 SdHoareTripleChecker+Invalid, 4410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-25 09:57:07,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5525 Valid, 4832 Invalid, 4410 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [42 Valid, 4368 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-12-25 09:57:07,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76846 states. [2023-12-25 09:57:08,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76846 to 76751. [2023-12-25 09:57:08,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76751 states, 76745 states have (on average 1.41570134862206) internal successors, (108648), 76750 states have internal predecessors, (108648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:08,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76751 states to 76751 states and 108648 transitions. [2023-12-25 09:57:08,585 INFO L78 Accepts]: Start accepts. Automaton has 76751 states and 108648 transitions. Word has length 95 [2023-12-25 09:57:08,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:57:08,585 INFO L495 AbstractCegarLoop]: Abstraction has 76751 states and 108648 transitions. [2023-12-25 09:57:08,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:08,586 INFO L276 IsEmpty]: Start isEmpty. Operand 76751 states and 108648 transitions. [2023-12-25 09:57:08,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-25 09:57:08,592 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:57:08,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:57:08,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (83)] Forceful destruction successful, exit code 0 [2023-12-25 09:57:08,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 83 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:08,800 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:57:08,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:57:08,800 INFO L85 PathProgramCache]: Analyzing trace with hash 2024743887, now seen corresponding path program 1 times [2023-12-25 09:57:08,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:57:08,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1495291242] [2023-12-25 09:57:08,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:57:08,801 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:08,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:57:08,802 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:57:08,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (84)] Waiting until timeout for monitored process [2023-12-25 09:57:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:57:09,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:57:09,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:57:10,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:57:10,015 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:57:10,015 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:57:10,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1495291242] [2023-12-25 09:57:10,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1495291242] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:57:10,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:57:10,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:57:10,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477299729] [2023-12-25 09:57:10,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:57:10,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:57:10,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:57:10,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:57:10,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:57:10,017 INFO L87 Difference]: Start difference. First operand 76751 states and 108648 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:15,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:57:15,062 INFO L93 Difference]: Finished difference Result 76936 states and 108890 transitions. [2023-12-25 09:57:15,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:57:15,063 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-12-25 09:57:15,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:57:15,151 INFO L225 Difference]: With dead ends: 76936 [2023-12-25 09:57:15,151 INFO L226 Difference]: Without dead ends: 76846 [2023-12-25 09:57:15,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:57:15,176 INFO L413 NwaCegarLoop]: 1242 mSDtfsCounter, 8072 mSDsluCounter, 3588 mSDsCounter, 0 mSdLazyCounter, 4359 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8072 SdHoareTripleChecker+Valid, 4830 SdHoareTripleChecker+Invalid, 4401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-25 09:57:15,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8072 Valid, 4830 Invalid, 4401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4359 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-25 09:57:15,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76846 states. [2023-12-25 09:57:15,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76846 to 76751. [2023-12-25 09:57:15,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76751 states, 76745 states have (on average 1.4156883184572284) internal successors, (108647), 76750 states have internal predecessors, (108647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:15,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76751 states to 76751 states and 108647 transitions. [2023-12-25 09:57:15,981 INFO L78 Accepts]: Start accepts. Automaton has 76751 states and 108647 transitions. Word has length 96 [2023-12-25 09:57:15,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:57:15,981 INFO L495 AbstractCegarLoop]: Abstraction has 76751 states and 108647 transitions. [2023-12-25 09:57:15,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:15,982 INFO L276 IsEmpty]: Start isEmpty. Operand 76751 states and 108647 transitions. [2023-12-25 09:57:15,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-25 09:57:15,988 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:57:15,988 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:57:15,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (84)] Forceful destruction successful, exit code 0 [2023-12-25 09:57:16,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 84 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:16,190 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:57:16,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:57:16,190 INFO L85 PathProgramCache]: Analyzing trace with hash 473104214, now seen corresponding path program 1 times [2023-12-25 09:57:16,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:57:16,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379634603] [2023-12-25 09:57:16,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:57:16,191 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:16,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:57:16,192 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:57:16,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (85)] Waiting until timeout for monitored process [2023-12-25 09:57:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:57:16,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:57:16,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:57:17,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:57:17,360 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:57:17,360 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:57:17,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379634603] [2023-12-25 09:57:17,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [379634603] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:57:17,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:57:17,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:57:17,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127247222] [2023-12-25 09:57:17,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:57:17,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:57:17,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:57:17,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:57:17,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:57:17,361 INFO L87 Difference]: Start difference. First operand 76751 states and 108647 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:22,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:57:22,360 INFO L93 Difference]: Finished difference Result 76938 states and 108892 transitions. [2023-12-25 09:57:22,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:57:22,360 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-12-25 09:57:22,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:57:22,438 INFO L225 Difference]: With dead ends: 76938 [2023-12-25 09:57:22,438 INFO L226 Difference]: Without dead ends: 76836 [2023-12-25 09:57:22,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:57:22,463 INFO L413 NwaCegarLoop]: 1250 mSDtfsCounter, 5874 mSDsluCounter, 3654 mSDsCounter, 0 mSdLazyCounter, 4408 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5874 SdHoareTripleChecker+Valid, 4904 SdHoareTripleChecker+Invalid, 4442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 4408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-25 09:57:22,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5874 Valid, 4904 Invalid, 4442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 4408 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-12-25 09:57:22,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76836 states. [2023-12-25 09:57:23,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76836 to 76751. [2023-12-25 09:57:23,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76751 states, 76745 states have (on average 1.4156752882923969) internal successors, (108646), 76750 states have internal predecessors, (108646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76751 states to 76751 states and 108646 transitions. [2023-12-25 09:57:23,286 INFO L78 Accepts]: Start accepts. Automaton has 76751 states and 108646 transitions. Word has length 96 [2023-12-25 09:57:23,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:57:23,286 INFO L495 AbstractCegarLoop]: Abstraction has 76751 states and 108646 transitions. [2023-12-25 09:57:23,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 76751 states and 108646 transitions. [2023-12-25 09:57:23,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-25 09:57:23,293 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:57:23,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:57:23,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (85)] Ended with exit code 0 [2023-12-25 09:57:23,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:23,494 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:57:23,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:57:23,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1091808400, now seen corresponding path program 1 times [2023-12-25 09:57:23,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:57:23,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960072724] [2023-12-25 09:57:23,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:57:23,495 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:23,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:57:23,496 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:57:23,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (86)] Waiting until timeout for monitored process [2023-12-25 09:57:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:57:24,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:57:24,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:57:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:57:24,668 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:57:24,668 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:57:24,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960072724] [2023-12-25 09:57:24,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1960072724] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:57:24,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:57:24,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:57:24,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226833614] [2023-12-25 09:57:24,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:57:24,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:57:24,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:57:24,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:57:24,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:57:24,669 INFO L87 Difference]: Start difference. First operand 76751 states and 108646 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:29,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:57:29,596 INFO L93 Difference]: Finished difference Result 76936 states and 108888 transitions. [2023-12-25 09:57:29,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:57:29,597 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-12-25 09:57:29,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:57:29,681 INFO L225 Difference]: With dead ends: 76936 [2023-12-25 09:57:29,681 INFO L226 Difference]: Without dead ends: 76846 [2023-12-25 09:57:29,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:57:29,705 INFO L413 NwaCegarLoop]: 1242 mSDtfsCounter, 5522 mSDsluCounter, 3588 mSDsCounter, 0 mSdLazyCounter, 4352 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5522 SdHoareTripleChecker+Valid, 4830 SdHoareTripleChecker+Invalid, 4394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-25 09:57:29,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5522 Valid, 4830 Invalid, 4394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4352 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-25 09:57:29,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76846 states. [2023-12-25 09:57:30,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76846 to 76751. [2023-12-25 09:57:30,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76751 states, 76745 states have (on average 1.4156622581275653) internal successors, (108645), 76750 states have internal predecessors, (108645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:30,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76751 states to 76751 states and 108645 transitions. [2023-12-25 09:57:30,502 INFO L78 Accepts]: Start accepts. Automaton has 76751 states and 108645 transitions. Word has length 96 [2023-12-25 09:57:30,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:57:30,502 INFO L495 AbstractCegarLoop]: Abstraction has 76751 states and 108645 transitions. [2023-12-25 09:57:30,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 76751 states and 108645 transitions. [2023-12-25 09:57:30,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-25 09:57:30,510 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:57:30,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:57:30,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (86)] Forceful destruction successful, exit code 0 [2023-12-25 09:57:30,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 86 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:30,712 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:57:30,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:57:30,713 INFO L85 PathProgramCache]: Analyzing trace with hash 2031990693, now seen corresponding path program 1 times [2023-12-25 09:57:30,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:57:30,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262187815] [2023-12-25 09:57:30,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:57:30,713 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:30,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:57:30,714 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:57:30,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (87)] Waiting until timeout for monitored process [2023-12-25 09:57:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:57:31,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:57:31,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:57:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:57:31,917 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:57:31,917 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:57:31,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262187815] [2023-12-25 09:57:31,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1262187815] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:57:31,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:57:31,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:57:31,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186578469] [2023-12-25 09:57:31,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:57:31,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:57:31,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:57:31,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:57:31,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:57:31,919 INFO L87 Difference]: Start difference. First operand 76751 states and 108645 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:36,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:57:36,803 INFO L93 Difference]: Finished difference Result 76932 states and 108883 transitions. [2023-12-25 09:57:36,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:57:36,804 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-12-25 09:57:36,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:57:36,879 INFO L225 Difference]: With dead ends: 76932 [2023-12-25 09:57:36,879 INFO L226 Difference]: Without dead ends: 76846 [2023-12-25 09:57:36,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:57:36,901 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 5515 mSDsluCounter, 3590 mSDsCounter, 0 mSdLazyCounter, 4352 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5515 SdHoareTripleChecker+Valid, 4831 SdHoareTripleChecker+Invalid, 4394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-25 09:57:36,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5515 Valid, 4831 Invalid, 4394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4352 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-25 09:57:36,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76846 states. [2023-12-25 09:57:37,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76846 to 76751. [2023-12-25 09:57:37,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76751 states, 76745 states have (on average 1.4156492279627337) internal successors, (108644), 76750 states have internal predecessors, (108644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:37,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76751 states to 76751 states and 108644 transitions. [2023-12-25 09:57:37,735 INFO L78 Accepts]: Start accepts. Automaton has 76751 states and 108644 transitions. Word has length 96 [2023-12-25 09:57:37,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:57:37,735 INFO L495 AbstractCegarLoop]: Abstraction has 76751 states and 108644 transitions. [2023-12-25 09:57:37,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:37,735 INFO L276 IsEmpty]: Start isEmpty. Operand 76751 states and 108644 transitions. [2023-12-25 09:57:37,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-25 09:57:37,742 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:57:37,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:57:37,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (87)] Forceful destruction successful, exit code 0 [2023-12-25 09:57:37,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:37,942 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:57:37,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:57:37,943 INFO L85 PathProgramCache]: Analyzing trace with hash -745296342, now seen corresponding path program 1 times [2023-12-25 09:57:37,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:57:37,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040026342] [2023-12-25 09:57:37,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:57:37,943 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:37,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:57:37,944 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:57:37,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (88)] Waiting until timeout for monitored process [2023-12-25 09:57:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:57:38,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:57:38,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:57:39,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:57:39,221 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:57:39,221 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:57:39,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040026342] [2023-12-25 09:57:39,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1040026342] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:57:39,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:57:39,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:57:39,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048249555] [2023-12-25 09:57:39,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:57:39,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:57:39,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:57:39,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:57:39,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:57:39,223 INFO L87 Difference]: Start difference. First operand 76751 states and 108644 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:44,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:57:44,280 INFO L93 Difference]: Finished difference Result 76930 states and 108880 transitions. [2023-12-25 09:57:44,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:57:44,281 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-12-25 09:57:44,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:57:44,360 INFO L225 Difference]: With dead ends: 76930 [2023-12-25 09:57:44,360 INFO L226 Difference]: Without dead ends: 76846 [2023-12-25 09:57:44,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:57:44,450 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 5881 mSDsluCounter, 3591 mSDsCounter, 0 mSdLazyCounter, 4349 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5881 SdHoareTripleChecker+Valid, 4832 SdHoareTripleChecker+Invalid, 4391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-25 09:57:44,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5881 Valid, 4832 Invalid, 4391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4349 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-12-25 09:57:44,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76846 states. [2023-12-25 09:57:45,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76846 to 76751. [2023-12-25 09:57:45,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76751 states, 76745 states have (on average 1.4156361977979022) internal successors, (108643), 76750 states have internal predecessors, (108643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:45,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76751 states to 76751 states and 108643 transitions. [2023-12-25 09:57:45,219 INFO L78 Accepts]: Start accepts. Automaton has 76751 states and 108643 transitions. Word has length 96 [2023-12-25 09:57:45,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:57:45,219 INFO L495 AbstractCegarLoop]: Abstraction has 76751 states and 108643 transitions. [2023-12-25 09:57:45,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:45,220 INFO L276 IsEmpty]: Start isEmpty. Operand 76751 states and 108643 transitions. [2023-12-25 09:57:45,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-25 09:57:45,227 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:57:45,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:57:45,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (88)] Forceful destruction successful, exit code 0 [2023-12-25 09:57:45,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:45,427 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:57:45,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:57:45,428 INFO L85 PathProgramCache]: Analyzing trace with hash -95669607, now seen corresponding path program 1 times [2023-12-25 09:57:45,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:57:45,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444324494] [2023-12-25 09:57:45,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:57:45,428 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:45,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:57:45,429 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:57:45,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (89)] Waiting until timeout for monitored process [2023-12-25 09:57:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:57:46,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:57:46,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:57:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:57:46,618 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:57:46,618 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:57:46,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444324494] [2023-12-25 09:57:46,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444324494] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:57:46,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:57:46,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:57:46,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720569976] [2023-12-25 09:57:46,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:57:46,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:57:46,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:57:46,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:57:46,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:57:46,619 INFO L87 Difference]: Start difference. First operand 76751 states and 108643 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:51,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:57:51,558 INFO L93 Difference]: Finished difference Result 76930 states and 108879 transitions. [2023-12-25 09:57:51,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:57:51,559 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-12-25 09:57:51,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:57:51,635 INFO L225 Difference]: With dead ends: 76930 [2023-12-25 09:57:51,636 INFO L226 Difference]: Without dead ends: 76846 [2023-12-25 09:57:51,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:57:51,659 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 5879 mSDsluCounter, 3591 mSDsCounter, 0 mSdLazyCounter, 4345 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5879 SdHoareTripleChecker+Valid, 4832 SdHoareTripleChecker+Invalid, 4387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-25 09:57:51,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5879 Valid, 4832 Invalid, 4387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4345 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-25 09:57:51,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76846 states. [2023-12-25 09:57:52,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76846 to 76751. [2023-12-25 09:57:52,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76751 states, 76745 states have (on average 1.4156231676330706) internal successors, (108642), 76750 states have internal predecessors, (108642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:52,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76751 states to 76751 states and 108642 transitions. [2023-12-25 09:57:52,454 INFO L78 Accepts]: Start accepts. Automaton has 76751 states and 108642 transitions. Word has length 96 [2023-12-25 09:57:52,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:57:52,455 INFO L495 AbstractCegarLoop]: Abstraction has 76751 states and 108642 transitions. [2023-12-25 09:57:52,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:52,455 INFO L276 IsEmpty]: Start isEmpty. Operand 76751 states and 108642 transitions. [2023-12-25 09:57:52,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-25 09:57:52,463 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:57:52,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:57:52,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (89)] Forceful destruction successful, exit code 0 [2023-12-25 09:57:52,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 89 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:52,663 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:57:52,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:57:52,664 INFO L85 PathProgramCache]: Analyzing trace with hash 372754121, now seen corresponding path program 1 times [2023-12-25 09:57:52,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:57:52,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426696641] [2023-12-25 09:57:52,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:57:52,664 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:52,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:57:52,665 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:57:52,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (90)] Waiting until timeout for monitored process [2023-12-25 09:57:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:57:53,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 09:57:53,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:57:53,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:57:53,863 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:57:53,863 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:57:53,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426696641] [2023-12-25 09:57:53,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426696641] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:57:53,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:57:53,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 09:57:53,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672119793] [2023-12-25 09:57:53,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:57:53,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 09:57:53,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:57:53,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 09:57:53,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 09:57:53,864 INFO L87 Difference]: Start difference. First operand 76751 states and 108642 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:58,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:57:58,757 INFO L93 Difference]: Finished difference Result 76922 states and 108868 transitions. [2023-12-25 09:57:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-25 09:57:58,757 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-12-25 09:57:58,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:57:58,831 INFO L225 Difference]: With dead ends: 76922 [2023-12-25 09:57:58,831 INFO L226 Difference]: Without dead ends: 76839 [2023-12-25 09:57:58,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 09:57:58,854 INFO L413 NwaCegarLoop]: 1229 mSDtfsCounter, 5509 mSDsluCounter, 3569 mSDsCounter, 0 mSdLazyCounter, 4335 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5509 SdHoareTripleChecker+Valid, 4798 SdHoareTripleChecker+Invalid, 4377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-25 09:57:58,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5509 Valid, 4798 Invalid, 4377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4335 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-25 09:57:58,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76839 states. [2023-12-25 09:57:59,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76839 to 76754. [2023-12-25 09:57:59,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76754 states, 76748 states have (on average 1.4156199510084952) internal successors, (108646), 76753 states have internal predecessors, (108646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:59,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76754 states to 76754 states and 108646 transitions. [2023-12-25 09:57:59,617 INFO L78 Accepts]: Start accepts. Automaton has 76754 states and 108646 transitions. Word has length 96 [2023-12-25 09:57:59,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:57:59,617 INFO L495 AbstractCegarLoop]: Abstraction has 76754 states and 108646 transitions. [2023-12-25 09:57:59,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:57:59,618 INFO L276 IsEmpty]: Start isEmpty. Operand 76754 states and 108646 transitions. [2023-12-25 09:57:59,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-25 09:57:59,625 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:57:59,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:57:59,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (90)] Forceful destruction successful, exit code 0 [2023-12-25 09:57:59,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 90 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:59,825 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:57:59,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:57:59,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1002783452, now seen corresponding path program 1 times [2023-12-25 09:57:59,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:57:59,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115871860] [2023-12-25 09:57:59,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:57:59,826 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:57:59,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:57:59,827 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:57:59,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (91)] Waiting until timeout for monitored process [2023-12-25 09:58:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:58:00,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-25 09:58:00,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:58:05,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:58:05,627 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:58:05,628 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:58:05,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115871860] [2023-12-25 09:58:05,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115871860] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:58:05,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:58:05,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2023-12-25 09:58:05,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291172674] [2023-12-25 09:58:05,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:58:05,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-12-25 09:58:05,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:58:05,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-12-25 09:58:05,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=726, Unknown=0, NotChecked=0, Total=870 [2023-12-25 09:58:05,629 INFO L87 Difference]: Start difference. First operand 76754 states and 108646 transitions. Second operand has 30 states, 30 states have (on average 3.2333333333333334) internal successors, (97), 30 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:59:17,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 09:59:17,466 INFO L93 Difference]: Finished difference Result 151684 states and 213518 transitions. [2023-12-25 09:59:17,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-25 09:59:17,467 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.2333333333333334) internal successors, (97), 30 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2023-12-25 09:59:17,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 09:59:17,650 INFO L225 Difference]: With dead ends: 151684 [2023-12-25 09:59:17,650 INFO L226 Difference]: Without dead ends: 151587 [2023-12-25 09:59:17,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=364, Invalid=1616, Unknown=0, NotChecked=0, Total=1980 [2023-12-25 09:59:17,695 INFO L413 NwaCegarLoop]: 2916 mSDtfsCounter, 18793 mSDsluCounter, 41696 mSDsCounter, 0 mSdLazyCounter, 17407 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18793 SdHoareTripleChecker+Valid, 44612 SdHoareTripleChecker+Invalid, 17411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.2s IncrementalHoareTripleChecker+Time [2023-12-25 09:59:17,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18793 Valid, 44612 Invalid, 17411 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4 Valid, 17407 Invalid, 0 Unknown, 0 Unchecked, 68.2s Time] [2023-12-25 09:59:17,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151587 states. [2023-12-25 09:59:18,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151587 to 76774. [2023-12-25 09:59:18,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76774 states, 76768 states have (on average 1.4155507503126303) internal successors, (108669), 76773 states have internal predecessors, (108669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:59:19,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76774 states to 76774 states and 108669 transitions. [2023-12-25 09:59:19,057 INFO L78 Accepts]: Start accepts. Automaton has 76774 states and 108669 transitions. Word has length 97 [2023-12-25 09:59:19,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 09:59:19,057 INFO L495 AbstractCegarLoop]: Abstraction has 76774 states and 108669 transitions. [2023-12-25 09:59:19,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.2333333333333334) internal successors, (97), 30 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 09:59:19,057 INFO L276 IsEmpty]: Start isEmpty. Operand 76774 states and 108669 transitions. [2023-12-25 09:59:19,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-25 09:59:19,064 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 09:59:19,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:59:19,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (91)] Forceful destruction successful, exit code 0 [2023-12-25 09:59:19,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 91 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:59:19,265 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2023-12-25 09:59:19,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 09:59:19,265 INFO L85 PathProgramCache]: Analyzing trace with hash -2144714693, now seen corresponding path program 1 times [2023-12-25 09:59:19,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 09:59:19,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1164741586] [2023-12-25 09:59:19,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 09:59:19,266 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:59:19,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 09:59:19,267 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 09:59:19,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (92)] Waiting until timeout for monitored process [2023-12-25 09:59:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 09:59:19,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-25 09:59:19,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 09:59:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 09:59:23,841 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 09:59:23,841 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 09:59:23,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1164741586] [2023-12-25 09:59:23,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1164741586] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 09:59:23,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 09:59:23,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2023-12-25 09:59:23,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469948681] [2023-12-25 09:59:23,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 09:59:23,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-12-25 09:59:23,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 09:59:23,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-12-25 09:59:23,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=657, Unknown=0, NotChecked=0, Total=812 [2023-12-25 09:59:23,842 INFO L87 Difference]: Start difference. First operand 76774 states and 108669 transitions. Second operand has 29 states, 29 states have (on average 3.3448275862068964) internal successors, (97), 29 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2023-12-25 09:59:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-25 09:59:37,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=374, Invalid=1348, Unknown=0, NotChecked=0, Total=1722 [2023-12-25 09:59:37,936 INFO L413 NwaCegarLoop]: 1550 mSDtfsCounter, 7548 mSDsluCounter, 20804 mSDsCounter, 0 mSdLazyCounter, 6954 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7548 SdHoareTripleChecker+Valid, 22354 SdHoareTripleChecker+Invalid, 6954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-12-25 09:59:37,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7548 Valid, 22354 Invalid, 6954 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 6954 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2023-12-25 09:59:37,937 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (18 of 19 remaining) [2023-12-25 09:59:37,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (92)] Forceful destruction successful, exit code 0 [2023-12-25 09:59:37,950 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (92)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-25 09:59:37,950 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-25 09:59:38,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 92 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 09:59:38,138 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). [2023-12-25 09:59:38,139 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 19 remaining) [2023-12-25 09:59:38,139 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (16 of 19 remaining) [2023-12-25 09:59:38,139 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (15 of 19 remaining) [2023-12-25 09:59:38,140 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (14 of 19 remaining) [2023-12-25 09:59:38,140 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (13 of 19 remaining) [2023-12-25 09:59:38,140 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (12 of 19 remaining) [2023-12-25 09:59:38,140 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (11 of 19 remaining) [2023-12-25 09:59:38,140 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (10 of 19 remaining) [2023-12-25 09:59:38,140 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (9 of 19 remaining) [2023-12-25 09:59:38,140 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (8 of 19 remaining) [2023-12-25 09:59:38,140 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (7 of 19 remaining) [2023-12-25 09:59:38,140 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (6 of 19 remaining) [2023-12-25 09:59:38,140 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (5 of 19 remaining) [2023-12-25 09:59:38,140 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (4 of 19 remaining) [2023-12-25 09:59:38,140 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (3 of 19 remaining) [2023-12-25 09:59:38,140 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (2 of 19 remaining) [2023-12-25 09:59:38,140 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (1 of 19 remaining) [2023-12-25 09:59:38,140 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (0 of 19 remaining) [2023-12-25 09:59:38,142 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 09:59:38,144 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 09:59:38,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 09:59:38 BoogieIcfgContainer [2023-12-25 09:59:38,145 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 09:59:38,145 INFO L158 Benchmark]: Toolchain (without parser) took 814864.74ms. Allocated memory was 259.0MB in the beginning and 5.6GB in the end (delta: 5.4GB). Free memory was 175.6MB in the beginning and 683.3MB in the end (delta: -507.7MB). Peak memory consumption was 4.9GB. Max. memory is 8.0GB. [2023-12-25 09:59:38,145 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 203.4MB. Free memory was 153.7MB in the beginning and 153.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 09:59:38,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2814.44ms. Allocated memory was 259.0MB in the beginning and 357.6MB in the end (delta: 98.6MB). Free memory was 175.4MB in the beginning and 216.8MB in the end (delta: -41.4MB). Peak memory consumption was 160.4MB. Max. memory is 8.0GB. [2023-12-25 09:59:38,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 341.59ms. Allocated memory is still 357.6MB. Free memory was 216.8MB in the beginning and 132.4MB in the end (delta: 84.4MB). Peak memory consumption was 82.8MB. Max. memory is 8.0GB. [2023-12-25 09:59:38,145 INFO L158 Benchmark]: Boogie Preprocessor took 683.23ms. Allocated memory is still 357.6MB. Free memory was 132.4MB in the beginning and 138.2MB in the end (delta: -5.8MB). Peak memory consumption was 90.7MB. Max. memory is 8.0GB. [2023-12-25 09:59:38,146 INFO L158 Benchmark]: RCFGBuilder took 11060.03ms. Allocated memory was 357.6MB in the beginning and 1.2GB in the end (delta: 887.1MB). Free memory was 138.2MB in the beginning and 690.8MB in the end (delta: -552.6MB). Peak memory consumption was 664.2MB. Max. memory is 8.0GB. [2023-12-25 09:59:38,146 INFO L158 Benchmark]: TraceAbstraction took 799959.83ms. Allocated memory was 1.2GB in the beginning and 5.6GB in the end (delta: 4.4GB). Free memory was 690.3MB in the beginning and 683.3MB in the end (delta: 7.0MB). Peak memory consumption was 4.4GB. Max. memory is 8.0GB. [2023-12-25 09:59:38,146 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 203.4MB. Free memory was 153.7MB in the beginning and 153.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2814.44ms. Allocated memory was 259.0MB in the beginning and 357.6MB in the end (delta: 98.6MB). Free memory was 175.4MB in the beginning and 216.8MB in the end (delta: -41.4MB). Peak memory consumption was 160.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 341.59ms. Allocated memory is still 357.6MB. Free memory was 216.8MB in the beginning and 132.4MB in the end (delta: 84.4MB). Peak memory consumption was 82.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 683.23ms. Allocated memory is still 357.6MB. Free memory was 132.4MB in the beginning and 138.2MB in the end (delta: -5.8MB). Peak memory consumption was 90.7MB. Max. memory is 8.0GB. * RCFGBuilder took 11060.03ms. Allocated memory was 357.6MB in the beginning and 1.2GB in the end (delta: 887.1MB). Free memory was 138.2MB in the beginning and 690.8MB in the end (delta: -552.6MB). Peak memory consumption was 664.2MB. Max. memory is 8.0GB. * TraceAbstraction took 799959.83ms. Allocated memory was 1.2GB in the beginning and 5.6GB in the end (delta: 4.4GB). Free memory was 690.3MB in the beginning and 683.3MB in the end (delta: 7.0MB). Peak memory consumption was 4.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 34311]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 34311). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 7078]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7078). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 9713]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 9713). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 14240]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 14240). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 16962]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 16962). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 17691]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 17691). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 17858]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 17858). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 19172]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19172). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 19780]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19780). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 22101]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 22101). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 24372]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 24372). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 31215]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 31215). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 32706]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 32706). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 34909]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 34909). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 35199]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 35199). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 36433]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 36433). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 37649]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 37649). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 40337]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 40337). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 47584]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 47584). Cancelled while NwaCegarLoop was constructing difference of abstraction (76774states) and FLOYD_HOARE automaton (currently 30 states, 29 states before enhancement),while ReachableStatesComputation was computing reachable states (3295 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6344 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 799.9s, OverallIterations: 91, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.0s, AutomataDifference: 593.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 843645 SdHoareTripleChecker+Valid, 535.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 843645 mSDsluCounter, 787796 SdHoareTripleChecker+Invalid, 493.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 614817 mSDsCounter, 3160 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 434336 IncrementalHoareTripleChecker+Invalid, 437496 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3160 mSolverCounterUnsat, 172979 mSDtfsCounter, 434336 mSolverCounterSat, 2.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8571 GetRequests, 7294 SyntacticMatches, 0 SemanticMatches, 1277 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2751 ImplicationChecksByTransitivity, 30.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77226occurred in iteration=33, InterpolantAutomatonStates: 982, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 70.4s AutomataMinimizationTime, 90 MinimizatonAttempts, 1283154 StatesRemovedByMinimization, 90 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.4s SsaConstructionTime, 9.9s SatisfiabilityAnalysisTime, 60.0s InterpolantComputationTime, 8025 NumberOfCodeBlocks, 8025 NumberOfCodeBlocksAsserted, 91 NumberOfCheckSat, 7934 ConstructedInterpolants, 4883 QuantifiedInterpolants, 131302 SizeOfPredicates, 461 NumberOfNonLiveVariables, 69099 ConjunctsInSsa, 848 ConjunctsInUnsatCore, 91 InterpolantComputations, 91 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown