/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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 18:19:34,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 18:19:34,445 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 18:19:34,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 18:19:34,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 18:19:34,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 18:19:34,471 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 18:19:34,471 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 18:19:34,472 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 18:19:34,475 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 18:19:34,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 18:19:34,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 18:19:34,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 18:19:34,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 18:19:34,477 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 18:19:34,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 18:19:34,477 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 18:19:34,477 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 18:19:34,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 18:19:34,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 18:19:34,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 18:19:34,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 18:19:34,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 18:19:34,478 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 18:19:34,478 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 18:19:34,479 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 18:19:34,479 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 18:19:34,479 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 18:19:34,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 18:19:34,479 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 18:19:34,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 18:19:34,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 18:19:34,480 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 18:19:34,480 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 18:19:34,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:19:34,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 18:19:34,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 18:19:34,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 18:19:34,481 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 18:19:34,481 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 18:19:34,481 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 18:19:34,481 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 18:19:34,481 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 18:19:34,482 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 18:19:34,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 18:19:34,482 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 18:19:34,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 18:19:34,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 18:19:34,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 18:19:34,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 18:19:34,676 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 18:19:34,677 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 18:19:34,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2023-12-16 18:19:35,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 18:19:36,140 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 18:19:36,141 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2023-12-16 18:19:36,175 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b9b9b47f/04b257c065f14987a209400698f6f1a1/FLAG1f328cfd9 [2023-12-16 18:19:36,187 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b9b9b47f/04b257c065f14987a209400698f6f1a1 [2023-12-16 18:19:36,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 18:19:36,191 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 18:19:36,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 18:19:36,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 18:19:36,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 18:19:36,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:19:36" (1/1) ... [2023-12-16 18:19:36,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6662c88c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:19:36, skipping insertion in model container [2023-12-16 18:19:36,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:19:36" (1/1) ... [2023-12-16 18:19:36,371 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 18:19:36,771 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32670,32683] [2023-12-16 18:19:36,812 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[39748,39761] [2023-12-16 18:19:36,911 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[66949,66962] [2023-12-16 18:19:36,928 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[76032,76045] [2023-12-16 18:19:36,949 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[82743,82756] [2023-12-16 18:19:36,991 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[94707,94720] [2023-12-16 18:19:37,021 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[103680,103693] [2023-12-16 18:19:37,039 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[111745,111758] [2023-12-16 18:19:37,121 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[150437,150450] [2023-12-16 18:19:37,125 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[153987,154000] [2023-12-16 18:19:37,145 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[163014,163027] [2023-12-16 18:19:37,157 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[169687,169700] [2023-12-16 18:19:37,201 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[195501,195514] [2023-12-16 18:19:37,239 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[227497,227510] [2023-12-16 18:19:37,274 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[257825,257838] [2023-12-16 18:19:37,307 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[288277,288290] [2023-12-16 18:19:37,346 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[321714,321727] [2023-12-16 18:19:37,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:19:37,532 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 18:19:37,602 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32670,32683] [2023-12-16 18:19:37,610 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[39748,39761] [2023-12-16 18:19:37,641 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[66949,66962] [2023-12-16 18:19:37,651 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[76032,76045] [2023-12-16 18:19:37,659 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[82743,82756] [2023-12-16 18:19:37,673 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[94707,94720] [2023-12-16 18:19:37,684 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[103680,103693] [2023-12-16 18:19:37,693 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[111745,111758] [2023-12-16 18:19:37,731 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[150437,150450] [2023-12-16 18:19:37,735 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[153987,154000] [2023-12-16 18:19:37,745 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[163014,163027] [2023-12-16 18:19:37,752 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[169687,169700] [2023-12-16 18:19:37,777 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[195501,195514] [2023-12-16 18:19:37,831 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[227497,227510] [2023-12-16 18:19:37,866 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[257825,257838] [2023-12-16 18:19:37,895 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[288277,288290] [2023-12-16 18:19:37,927 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.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[321714,321727] [2023-12-16 18:19:38,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:19:38,056 INFO L206 MainTranslator]: Completed translation [2023-12-16 18:19:38,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:19:38 WrapperNode [2023-12-16 18:19:38,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 18:19:38,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 18:19:38,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 18:19:38,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 18:19:38,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:19:38" (1/1) ... [2023-12-16 18:19:38,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:19:38" (1/1) ... [2023-12-16 18:19:38,332 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19378 [2023-12-16 18:19:38,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 18:19:38,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 18:19:38,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 18:19:38,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 18:19:38,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:19:38" (1/1) ... [2023-12-16 18:19:38,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:19:38" (1/1) ... [2023-12-16 18:19:38,377 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:19:38" (1/1) ... [2023-12-16 18:19:38,448 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]. [2023-12-16 18:19:38,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:19:38" (1/1) ... [2023-12-16 18:19:38,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:19:38" (1/1) ... [2023-12-16 18:19:38,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:19:38" (1/1) ... [2023-12-16 18:19:38,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:19:38" (1/1) ... [2023-12-16 18:19:38,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:19:38" (1/1) ... [2023-12-16 18:19:38,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:19:38" (1/1) ... [2023-12-16 18:19:38,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 18:19:38,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 18:19:38,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 18:19:38,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 18:19:38,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:19:38" (1/1) ... [2023-12-16 18:19:38,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:19:38,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 18:19:38,776 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) [2023-12-16 18:19:38,801 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 [2023-12-16 18:19:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 18:19:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 18:19:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 18:19:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 18:19:39,259 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 18:19:39,260 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 18:19:45,098 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 18:19:45,204 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 18:19:45,205 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-16 18:19:45,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:19:45 BoogieIcfgContainer [2023-12-16 18:19:45,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 18:19:45,207 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 18:19:45,207 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 18:19:45,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 18:19:45,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 06:19:36" (1/3) ... [2023-12-16 18:19:45,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d2c6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:19:45, skipping insertion in model container [2023-12-16 18:19:45,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:19:38" (2/3) ... [2023-12-16 18:19:45,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d2c6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:19:45, skipping insertion in model container [2023-12-16 18:19:45,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:19:45" (3/3) ... [2023-12-16 18:19:45,212 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2023-12-16 18:19:45,223 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 18:19:45,223 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-12-16 18:19:45,296 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 18:19:45,301 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;@4f14224e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 18:19:45,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2023-12-16 18:19:45,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 3730 states, 3712 states have (on average 1.78125) internal successors, (6612), 3729 states have internal predecessors, (6612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:19:45,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-16 18:19:45,343 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:19:45,344 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] [2023-12-16 18:19:45,344 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 18:19:45,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:19:45,349 INFO L85 PathProgramCache]: Analyzing trace with hash -354004625, now seen corresponding path program 1 times [2023-12-16 18:19:45,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:19:45,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1340614789] [2023-12-16 18:19:45,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:19:45,361 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 [2023-12-16 18:19:45,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:19:45,390 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) [2023-12-16 18:19:45,401 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 [2023-12-16 18:19:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:19:46,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:19:46,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:19:46,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:19:46,359 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:19:46,359 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:19:46,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1340614789] [2023-12-16 18:19:46,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1340614789] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:19:46,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:19:46,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:19:46,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809699695] [2023-12-16 18:19:46,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:19:46,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:19:46,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:19:46,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:19:46,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:19:46,391 INFO L87 Difference]: Start difference. First operand has 3730 states, 3712 states have (on average 1.78125) internal successors, (6612), 3729 states have internal predecessors, (6612), 0 states have call successors, (0), 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 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:19:51,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:19:51,129 INFO L93 Difference]: Finished difference Result 7042 states and 12220 transitions. [2023-12-16 18:19:51,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:19:51,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2023-12-16 18:19:51,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:19:51,166 INFO L225 Difference]: With dead ends: 7042 [2023-12-16 18:19:51,167 INFO L226 Difference]: Without dead ends: 4525 [2023-12-16 18:19:51,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:19:51,181 INFO L413 NwaCegarLoop]: 2968 mSDtfsCounter, 20466 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 3557 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20466 SdHoareTripleChecker+Valid, 4278 SdHoareTripleChecker+Invalid, 3692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 3557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-12-16 18:19:51,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20466 Valid, 4278 Invalid, 3692 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [135 Valid, 3557 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-12-16 18:19:51,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4525 states. [2023-12-16 18:19:51,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4525 to 4500. [2023-12-16 18:19:51,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4500 states, 4483 states have (on average 1.3002453714030784) internal successors, (5829), 4499 states have internal predecessors, (5829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:19:51,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4500 states to 4500 states and 5829 transitions. [2023-12-16 18:19:51,360 INFO L78 Accepts]: Start accepts. Automaton has 4500 states and 5829 transitions. Word has length 64 [2023-12-16 18:19:51,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:19:51,360 INFO L495 AbstractCegarLoop]: Abstraction has 4500 states and 5829 transitions. [2023-12-16 18:19:51,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:19:51,360 INFO L276 IsEmpty]: Start isEmpty. Operand 4500 states and 5829 transitions. [2023-12-16 18:19:51,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-16 18:19:51,383 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:19:51,384 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] [2023-12-16 18:19:51,413 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 (2)] Ended with exit code 0 [2023-12-16 18:19:51,584 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 [2023-12-16 18:19:51,585 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 18:19:51,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:19:51,585 INFO L85 PathProgramCache]: Analyzing trace with hash 838909937, now seen corresponding path program 1 times [2023-12-16 18:19:51,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:19:51,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473582304] [2023-12-16 18:19:51,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:19:51,586 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 [2023-12-16 18:19:51,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:19:51,587 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) [2023-12-16 18:19:51,621 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 [2023-12-16 18:19:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:19:52,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:19:52,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:19:52,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:19:52,323 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:19:52,323 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:19:52,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473582304] [2023-12-16 18:19:52,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473582304] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:19:52,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:19:52,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:19:52,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320785265] [2023-12-16 18:19:52,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:19:52,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:19:52,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:19:52,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:19:52,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:19:52,326 INFO L87 Difference]: Start difference. First operand 4500 states and 5829 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:19:54,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:19:54,907 INFO L93 Difference]: Finished difference Result 8464 states and 10988 transitions. [2023-12-16 18:19:54,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:19:54,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2023-12-16 18:19:54,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:19:54,942 INFO L225 Difference]: With dead ends: 8464 [2023-12-16 18:19:54,942 INFO L226 Difference]: Without dead ends: 5685 [2023-12-16 18:19:54,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:19:54,946 INFO L413 NwaCegarLoop]: 1912 mSDtfsCounter, 13242 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 2317 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13242 SdHoareTripleChecker+Valid, 2581 SdHoareTripleChecker+Invalid, 2390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:19:54,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13242 Valid, 2581 Invalid, 2390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 2317 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-16 18:19:54,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5685 states. [2023-12-16 18:19:55,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5685 to 5655. [2023-12-16 18:19:55,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5655 states, 5638 states have (on average 1.3061369279886486) internal successors, (7364), 5654 states have internal predecessors, (7364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:19:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5655 states to 5655 states and 7364 transitions. [2023-12-16 18:19:55,062 INFO L78 Accepts]: Start accepts. Automaton has 5655 states and 7364 transitions. Word has length 65 [2023-12-16 18:19:55,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:19:55,062 INFO L495 AbstractCegarLoop]: Abstraction has 5655 states and 7364 transitions. [2023-12-16 18:19:55,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:19:55,063 INFO L276 IsEmpty]: Start isEmpty. Operand 5655 states and 7364 transitions. [2023-12-16 18:19:55,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-16 18:19:55,069 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:19:55,069 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] [2023-12-16 18:19:55,090 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 (3)] Ended with exit code 0 [2023-12-16 18:19:55,291 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 [2023-12-16 18:19:55,291 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 18:19:55,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:19:55,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1512929807, now seen corresponding path program 1 times [2023-12-16 18:19:55,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:19:55,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1309042841] [2023-12-16 18:19:55,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:19:55,299 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 [2023-12-16 18:19:55,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:19:55,300 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) [2023-12-16 18:19:55,341 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 [2023-12-16 18:19:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:19:55,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:19:55,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:19:55,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:19:55,927 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:19:55,927 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:19:55,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1309042841] [2023-12-16 18:19:55,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1309042841] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:19:55,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:19:55,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:19:55,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098277106] [2023-12-16 18:19:55,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:19:55,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:19:55,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:19:55,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:19:55,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:19:55,928 INFO L87 Difference]: Start difference. First operand 5655 states and 7364 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:19:58,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:19:58,309 INFO L93 Difference]: Finished difference Result 11340 states and 14792 transitions. [2023-12-16 18:19:58,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:19:58,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2023-12-16 18:19:58,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:19:58,326 INFO L225 Difference]: With dead ends: 11340 [2023-12-16 18:19:58,326 INFO L226 Difference]: Without dead ends: 7094 [2023-12-16 18:19:58,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:19:58,335 INFO L413 NwaCegarLoop]: 1610 mSDtfsCounter, 11530 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 2076 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11530 SdHoareTripleChecker+Valid, 2244 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-16 18:19:58,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11530 Valid, 2244 Invalid, 2125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2076 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-16 18:19:58,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7094 states. [2023-12-16 18:19:58,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7094 to 7074. [2023-12-16 18:19:58,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7074 states, 7057 states have (on average 1.308629729346748) internal successors, (9235), 7073 states have internal predecessors, (9235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:19:58,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7074 states to 7074 states and 9235 transitions. [2023-12-16 18:19:58,492 INFO L78 Accepts]: Start accepts. Automaton has 7074 states and 9235 transitions. Word has length 65 [2023-12-16 18:19:58,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:19:58,494 INFO L495 AbstractCegarLoop]: Abstraction has 7074 states and 9235 transitions. [2023-12-16 18:19:58,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:19:58,494 INFO L276 IsEmpty]: Start isEmpty. Operand 7074 states and 9235 transitions. [2023-12-16 18:19:58,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-16 18:19:58,500 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:19:58,501 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] [2023-12-16 18:19:58,520 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 [2023-12-16 18:19:58,705 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 [2023-12-16 18:19:58,706 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 18:19:58,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:19:58,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1700677701, now seen corresponding path program 1 times [2023-12-16 18:19:58,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:19:58,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418184858] [2023-12-16 18:19:58,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:19:58,708 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 [2023-12-16 18:19:58,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:19:58,709 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) [2023-12-16 18:19:58,742 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 (5)] Waiting until timeout for monitored process [2023-12-16 18:19:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:19:59,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 18:19:59,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:19:59,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:19:59,441 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:19:59,442 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:19:59,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418184858] [2023-12-16 18:19:59,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1418184858] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:19:59,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:19:59,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:19:59,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821064715] [2023-12-16 18:19:59,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:19:59,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:19:59,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:19:59,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:19:59,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:19:59,443 INFO L87 Difference]: Start difference. First operand 7074 states and 9235 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:01,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:20:01,384 INFO L93 Difference]: Finished difference Result 13796 states and 18188 transitions. [2023-12-16 18:20:01,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 18:20:01,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-12-16 18:20:01,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:20:01,404 INFO L225 Difference]: With dead ends: 13796 [2023-12-16 18:20:01,405 INFO L226 Difference]: Without dead ends: 9214 [2023-12-16 18:20:01,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:20:01,411 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 6164 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 1608 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6164 SdHoareTripleChecker+Valid, 2008 SdHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-16 18:20:01,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6164 Valid, 2008 Invalid, 1630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1608 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-16 18:20:01,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9214 states. [2023-12-16 18:20:01,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9214 to 9174. [2023-12-16 18:20:01,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9174 states, 9157 states have (on average 1.322703942339194) internal successors, (12112), 9173 states have internal predecessors, (12112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:01,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9174 states to 9174 states and 12112 transitions. [2023-12-16 18:20:01,550 INFO L78 Accepts]: Start accepts. Automaton has 9174 states and 12112 transitions. Word has length 66 [2023-12-16 18:20:01,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:20:01,551 INFO L495 AbstractCegarLoop]: Abstraction has 9174 states and 12112 transitions. [2023-12-16 18:20:01,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:01,551 INFO L276 IsEmpty]: Start isEmpty. Operand 9174 states and 12112 transitions. [2023-12-16 18:20:01,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-16 18:20:01,557 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:20:01,557 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] [2023-12-16 18:20:01,562 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 [2023-12-16 18:20:01,762 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 [2023-12-16 18:20:01,763 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 18:20:01,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:20:01,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1596749287, now seen corresponding path program 1 times [2023-12-16 18:20:01,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:20:01,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1542137577] [2023-12-16 18:20:01,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:20:01,765 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 [2023-12-16 18:20:01,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:20:01,766 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) [2023-12-16 18:20:01,798 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 [2023-12-16 18:20:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:20:02,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 18:20:02,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:20:02,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:20:02,513 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:20:02,514 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:20:02,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1542137577] [2023-12-16 18:20:02,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1542137577] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:20:02,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:20:02,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 18:20:02,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213641442] [2023-12-16 18:20:02,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:20:02,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 18:20:02,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:20:02,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 18:20:02,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-16 18:20:02,515 INFO L87 Difference]: Start difference. First operand 9174 states and 12112 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:07,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:20:07,368 INFO L93 Difference]: Finished difference Result 11926 states and 16259 transitions. [2023-12-16 18:20:07,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 18:20:07,369 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-12-16 18:20:07,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:20:07,384 INFO L225 Difference]: With dead ends: 11926 [2023-12-16 18:20:07,385 INFO L226 Difference]: Without dead ends: 10392 [2023-12-16 18:20:07,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-12-16 18:20:07,391 INFO L413 NwaCegarLoop]: 1511 mSDtfsCounter, 6773 mSDsluCounter, 3564 mSDsCounter, 0 mSdLazyCounter, 4313 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6773 SdHoareTripleChecker+Valid, 5075 SdHoareTripleChecker+Invalid, 4349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 4313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-16 18:20:07,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6773 Valid, 5075 Invalid, 4349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 4313 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-16 18:20:07,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10392 states. [2023-12-16 18:20:07,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10392 to 9014. [2023-12-16 18:20:07,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9014 states, 8997 states have (on average 1.322107369123041) internal successors, (11895), 9013 states have internal predecessors, (11895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:07,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9014 states to 9014 states and 11895 transitions. [2023-12-16 18:20:07,506 INFO L78 Accepts]: Start accepts. Automaton has 9014 states and 11895 transitions. Word has length 67 [2023-12-16 18:20:07,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:20:07,507 INFO L495 AbstractCegarLoop]: Abstraction has 9014 states and 11895 transitions. [2023-12-16 18:20:07,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:07,507 INFO L276 IsEmpty]: Start isEmpty. Operand 9014 states and 11895 transitions. [2023-12-16 18:20:07,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-16 18:20:07,512 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:20:07,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:20:07,532 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 [2023-12-16 18:20:07,717 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 [2023-12-16 18:20:07,718 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 18:20:07,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:20:07,718 INFO L85 PathProgramCache]: Analyzing trace with hash -738498771, now seen corresponding path program 1 times [2023-12-16 18:20:07,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:20:07,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745877813] [2023-12-16 18:20:07,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:20:07,719 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 [2023-12-16 18:20:07,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:20:07,720 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) [2023-12-16 18:20:07,725 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 [2023-12-16 18:20:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:20:08,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:20:08,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:20:08,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:20:08,506 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:20:08,506 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:20:08,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745877813] [2023-12-16 18:20:08,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745877813] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:20:08,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:20:08,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:20:08,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654752650] [2023-12-16 18:20:08,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:20:08,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:20:08,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:20:08,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:20:08,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:20:08,507 INFO L87 Difference]: Start difference. First operand 9014 states and 11895 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:15,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:20:15,558 INFO L93 Difference]: Finished difference Result 13293 states and 18332 transitions. [2023-12-16 18:20:15,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 18:20:15,559 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-12-16 18:20:15,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:20:15,572 INFO L225 Difference]: With dead ends: 13293 [2023-12-16 18:20:15,572 INFO L226 Difference]: Without dead ends: 11881 [2023-12-16 18:20:15,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-12-16 18:20:15,575 INFO L413 NwaCegarLoop]: 1551 mSDtfsCounter, 11139 mSDsluCounter, 5088 mSDsCounter, 0 mSdLazyCounter, 6552 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11139 SdHoareTripleChecker+Valid, 6639 SdHoareTripleChecker+Invalid, 6652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 6552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-12-16 18:20:15,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11139 Valid, 6639 Invalid, 6652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 6552 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-12-16 18:20:15,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11881 states. [2023-12-16 18:20:15,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11881 to 8952. [2023-12-16 18:20:15,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8952 states, 8935 states have (on average 1.3217683268047007) internal successors, (11810), 8951 states have internal predecessors, (11810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:15,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8952 states to 8952 states and 11810 transitions. [2023-12-16 18:20:15,677 INFO L78 Accepts]: Start accepts. Automaton has 8952 states and 11810 transitions. Word has length 67 [2023-12-16 18:20:15,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:20:15,678 INFO L495 AbstractCegarLoop]: Abstraction has 8952 states and 11810 transitions. [2023-12-16 18:20:15,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:15,678 INFO L276 IsEmpty]: Start isEmpty. Operand 8952 states and 11810 transitions. [2023-12-16 18:20:15,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-16 18:20:15,682 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:20:15,682 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] [2023-12-16 18:20:15,689 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 [2023-12-16 18:20:15,886 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 [2023-12-16 18:20:15,887 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 18:20:15,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:20:15,888 INFO L85 PathProgramCache]: Analyzing trace with hash 757912053, now seen corresponding path program 1 times [2023-12-16 18:20:15,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:20:15,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [250003778] [2023-12-16 18:20:15,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:20:15,889 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 [2023-12-16 18:20:15,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:20:15,890 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) [2023-12-16 18:20:15,890 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 [2023-12-16 18:20:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:20:16,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-16 18:20:16,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:20:17,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:20:17,297 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:20:17,297 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:20:17,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [250003778] [2023-12-16 18:20:17,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [250003778] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:20:17,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:20:17,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-16 18:20:17,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419495290] [2023-12-16 18:20:17,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:20:17,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-16 18:20:17,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:20:17,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-16 18:20:17,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-12-16 18:20:17,299 INFO L87 Difference]: Start difference. First operand 8952 states and 11810 transitions. Second operand has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:20,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:20:20,659 INFO L93 Difference]: Finished difference Result 17701 states and 23804 transitions. [2023-12-16 18:20:20,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-16 18:20:20,659 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-12-16 18:20:20,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:20:20,675 INFO L225 Difference]: With dead ends: 17701 [2023-12-16 18:20:20,675 INFO L226 Difference]: Without dead ends: 9957 [2023-12-16 18:20:20,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2023-12-16 18:20:20,685 INFO L413 NwaCegarLoop]: 1824 mSDtfsCounter, 8204 mSDsluCounter, 12547 mSDsCounter, 0 mSdLazyCounter, 2458 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8204 SdHoareTripleChecker+Valid, 14371 SdHoareTripleChecker+Invalid, 2495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-16 18:20:20,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8204 Valid, 14371 Invalid, 2495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2458 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-16 18:20:20,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9957 states. [2023-12-16 18:20:20,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9957 to 9611. [2023-12-16 18:20:20,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9611 states, 9598 states have (on average 1.3476765992915192) internal successors, (12935), 9610 states have internal predecessors, (12935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:20,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9611 states to 9611 states and 12935 transitions. [2023-12-16 18:20:20,866 INFO L78 Accepts]: Start accepts. Automaton has 9611 states and 12935 transitions. Word has length 68 [2023-12-16 18:20:20,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:20:20,867 INFO L495 AbstractCegarLoop]: Abstraction has 9611 states and 12935 transitions. [2023-12-16 18:20:20,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 14 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:20,867 INFO L276 IsEmpty]: Start isEmpty. Operand 9611 states and 12935 transitions. [2023-12-16 18:20:20,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-16 18:20:20,871 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:20:20,871 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] [2023-12-16 18:20:20,889 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 (8)] Ended with exit code 0 [2023-12-16 18:20:21,075 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 [2023-12-16 18:20:21,076 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 18:20:21,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:20:21,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1434028365, now seen corresponding path program 1 times [2023-12-16 18:20:21,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:20:21,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162672739] [2023-12-16 18:20:21,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:20:21,077 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 [2023-12-16 18:20:21,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:20:21,081 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) [2023-12-16 18:20:21,081 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 [2023-12-16 18:20:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:20:21,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:20:21,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:20:21,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:20:21,928 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:20:21,928 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:20:21,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [162672739] [2023-12-16 18:20:21,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [162672739] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:20:21,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:20:21,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:20:21,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910957502] [2023-12-16 18:20:21,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:20:21,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:20:21,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:20:21,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:20:21,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:20:21,929 INFO L87 Difference]: Start difference. First operand 9611 states and 12935 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:26,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:20:26,025 INFO L93 Difference]: Finished difference Result 9645 states and 12961 transitions. [2023-12-16 18:20:26,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 18:20:26,026 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-12-16 18:20:26,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:20:26,036 INFO L225 Difference]: With dead ends: 9645 [2023-12-16 18:20:26,036 INFO L226 Difference]: Without dead ends: 9639 [2023-12-16 18:20:26,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2023-12-16 18:20:26,039 INFO L413 NwaCegarLoop]: 1135 mSDtfsCounter, 5851 mSDsluCounter, 3631 mSDsCounter, 0 mSdLazyCounter, 3764 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5851 SdHoareTripleChecker+Valid, 4766 SdHoareTripleChecker+Invalid, 3793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 3764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-12-16 18:20:26,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5851 Valid, 4766 Invalid, 3793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 3764 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-12-16 18:20:26,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9639 states. [2023-12-16 18:20:26,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9639 to 9611. [2023-12-16 18:20:26,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9611 states, 9598 states have (on average 1.3475724109189415) internal successors, (12934), 9610 states have internal predecessors, (12934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:26,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9611 states to 9611 states and 12934 transitions. [2023-12-16 18:20:26,141 INFO L78 Accepts]: Start accepts. Automaton has 9611 states and 12934 transitions. Word has length 68 [2023-12-16 18:20:26,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:20:26,141 INFO L495 AbstractCegarLoop]: Abstraction has 9611 states and 12934 transitions. [2023-12-16 18:20:26,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:26,141 INFO L276 IsEmpty]: Start isEmpty. Operand 9611 states and 12934 transitions. [2023-12-16 18:20:26,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-16 18:20:26,145 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:20:26,145 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] [2023-12-16 18:20:26,157 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 (9)] Ended with exit code 0 [2023-12-16 18:20:26,349 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 [2023-12-16 18:20:26,349 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 18:20:26,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:20:26,349 INFO L85 PathProgramCache]: Analyzing trace with hash -896669404, now seen corresponding path program 1 times [2023-12-16 18:20:26,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:20:26,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588111038] [2023-12-16 18:20:26,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:20:26,350 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 [2023-12-16 18:20:26,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:20:26,354 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) [2023-12-16 18:20:26,355 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 [2023-12-16 18:20:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:20:26,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 18:20:26,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:20:27,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:20:27,144 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:20:27,144 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:20:27,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [588111038] [2023-12-16 18:20:27,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [588111038] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:20:27,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:20:27,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 18:20:27,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325974992] [2023-12-16 18:20:27,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:20:27,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 18:20:27,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:20:27,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 18:20:27,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 18:20:27,146 INFO L87 Difference]: Start difference. First operand 9611 states and 12934 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:31,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:20:31,490 INFO L93 Difference]: Finished difference Result 9630 states and 12947 transitions. [2023-12-16 18:20:31,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 18:20:31,491 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-12-16 18:20:31,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:20:31,500 INFO L225 Difference]: With dead ends: 9630 [2023-12-16 18:20:31,500 INFO L226 Difference]: Without dead ends: 9621 [2023-12-16 18:20:31,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2023-12-16 18:20:31,502 INFO L413 NwaCegarLoop]: 1111 mSDtfsCounter, 5060 mSDsluCounter, 3649 mSDsCounter, 0 mSdLazyCounter, 4051 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5060 SdHoareTripleChecker+Valid, 4760 SdHoareTripleChecker+Invalid, 4086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 4051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-12-16 18:20:31,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5060 Valid, 4760 Invalid, 4086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 4051 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-12-16 18:20:31,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9621 states. [2023-12-16 18:20:31,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9621 to 9611. [2023-12-16 18:20:31,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9611 states, 9598 states have (on average 1.347468222546364) internal successors, (12933), 9610 states have internal predecessors, (12933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:31,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9611 states to 9611 states and 12933 transitions. [2023-12-16 18:20:31,597 INFO L78 Accepts]: Start accepts. Automaton has 9611 states and 12933 transitions. Word has length 68 [2023-12-16 18:20:31,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:20:31,597 INFO L495 AbstractCegarLoop]: Abstraction has 9611 states and 12933 transitions. [2023-12-16 18:20:31,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:31,597 INFO L276 IsEmpty]: Start isEmpty. Operand 9611 states and 12933 transitions. [2023-12-16 18:20:31,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-16 18:20:31,601 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:20:31,601 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] [2023-12-16 18:20:31,609 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 [2023-12-16 18:20:31,806 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 [2023-12-16 18:20:31,806 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 18:20:31,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:20:31,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1848914971, now seen corresponding path program 1 times [2023-12-16 18:20:31,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:20:31,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268710574] [2023-12-16 18:20:31,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:20:31,807 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 [2023-12-16 18:20:31,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:20:31,808 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) [2023-12-16 18:20:31,841 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 [2023-12-16 18:20:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:20:32,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-16 18:20:32,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:20:33,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:20:33,004 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:20:33,004 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:20:33,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [268710574] [2023-12-16 18:20:33,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [268710574] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:20:33,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:20:33,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-16 18:20:33,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73293627] [2023-12-16 18:20:33,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:20:33,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-16 18:20:33,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:20:33,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-16 18:20:33,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-16 18:20:33,005 INFO L87 Difference]: Start difference. First operand 9611 states and 12933 transitions. Second operand has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:35,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:20:35,531 INFO L93 Difference]: Finished difference Result 18002 states and 25029 transitions. [2023-12-16 18:20:35,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-16 18:20:35,532 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-12-16 18:20:35,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:20:35,541 INFO L225 Difference]: With dead ends: 18002 [2023-12-16 18:20:35,541 INFO L226 Difference]: Without dead ends: 11526 [2023-12-16 18:20:35,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2023-12-16 18:20:35,548 INFO L413 NwaCegarLoop]: 1392 mSDtfsCounter, 8004 mSDsluCounter, 6922 mSDsCounter, 0 mSdLazyCounter, 1808 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8004 SdHoareTripleChecker+Valid, 8314 SdHoareTripleChecker+Invalid, 1829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-16 18:20:35,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8004 Valid, 8314 Invalid, 1829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1808 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-16 18:20:35,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11526 states. [2023-12-16 18:20:35,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11526 to 9515. [2023-12-16 18:20:35,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9515 states, 9506 states have (on average 1.3729223648222175) internal successors, (13051), 9514 states have internal predecessors, (13051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:35,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9515 states to 9515 states and 13051 transitions. [2023-12-16 18:20:35,647 INFO L78 Accepts]: Start accepts. Automaton has 9515 states and 13051 transitions. Word has length 68 [2023-12-16 18:20:35,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:20:35,647 INFO L495 AbstractCegarLoop]: Abstraction has 9515 states and 13051 transitions. [2023-12-16 18:20:35,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:35,647 INFO L276 IsEmpty]: Start isEmpty. Operand 9515 states and 13051 transitions. [2023-12-16 18:20:35,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-16 18:20:35,651 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:20:35,651 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] [2023-12-16 18:20:35,657 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 (11)] Ended with exit code 0 [2023-12-16 18:20:35,855 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 [2023-12-16 18:20:35,855 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 18:20:35,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:20:35,856 INFO L85 PathProgramCache]: Analyzing trace with hash 267145537, now seen corresponding path program 1 times [2023-12-16 18:20:35,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:20:35,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1857572825] [2023-12-16 18:20:35,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:20:35,856 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 [2023-12-16 18:20:35,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:20:35,865 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) [2023-12-16 18:20:35,870 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 [2023-12-16 18:20:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:20:36,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-16 18:20:36,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:20:37,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:20:37,356 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:20:37,357 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:20:37,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1857572825] [2023-12-16 18:20:37,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1857572825] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:20:37,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:20:37,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-16 18:20:37,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781816851] [2023-12-16 18:20:37,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:20:37,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-16 18:20:37,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:20:37,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-16 18:20:37,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-12-16 18:20:37,358 INFO L87 Difference]: Start difference. First operand 9515 states and 13051 transitions. Second operand has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 14 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:40,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:20:40,999 INFO L93 Difference]: Finished difference Result 23957 states and 33608 transitions. [2023-12-16 18:20:40,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-16 18:20:40,999 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 14 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2023-12-16 18:20:40,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:20:41,012 INFO L225 Difference]: With dead ends: 23957 [2023-12-16 18:20:41,012 INFO L226 Difference]: Without dead ends: 15460 [2023-12-16 18:20:41,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2023-12-16 18:20:41,017 INFO L413 NwaCegarLoop]: 1324 mSDtfsCounter, 6902 mSDsluCounter, 8891 mSDsCounter, 0 mSdLazyCounter, 2908 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6902 SdHoareTripleChecker+Valid, 10215 SdHoareTripleChecker+Invalid, 2975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 2908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-16 18:20:41,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6902 Valid, 10215 Invalid, 2975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 2908 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-16 18:20:41,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15460 states. [2023-12-16 18:20:41,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15460 to 12160. [2023-12-16 18:20:41,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12160 states, 12152 states have (on average 1.3801020408163265) internal successors, (16771), 12159 states have internal predecessors, (16771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:41,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12160 states to 12160 states and 16771 transitions. [2023-12-16 18:20:41,133 INFO L78 Accepts]: Start accepts. Automaton has 12160 states and 16771 transitions. Word has length 69 [2023-12-16 18:20:41,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:20:41,133 INFO L495 AbstractCegarLoop]: Abstraction has 12160 states and 16771 transitions. [2023-12-16 18:20:41,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 14 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 18:20:41,134 INFO L276 IsEmpty]: Start isEmpty. Operand 12160 states and 16771 transitions. [2023-12-16 18:20:41,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-16 18:20:41,138 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:20:41,138 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] [2023-12-16 18:20:41,142 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 [2023-12-16 18:20:41,342 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 [2023-12-16 18:20:41,342 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 18:20:41,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:20:41,343 INFO L85 PathProgramCache]: Analyzing trace with hash 554101842, now seen corresponding path program 1 times [2023-12-16 18:20:41,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 18:20:41,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81376211] [2023-12-16 18:20:41,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:20:41,343 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 [2023-12-16 18:20:41,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 18:20:41,345 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) [2023-12-16 18:20:41,349 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 [2023-12-16 18:20:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:20:41,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-16 18:20:41,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 18:20:42,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 18:20:42,594 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 18:20:42,595 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 18:20:42,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [81376211] [2023-12-16 18:20:42,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [81376211] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:20:42,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:20:42,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-16 18:20:42,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116077630] [2023-12-16 18:20:42,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:20:42,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-16 18:20:42,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 18:20:42,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-16 18:20:42,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-12-16 18:20:42,596 INFO L87 Difference]: Start difference. First operand 12160 states and 16771 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 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... [2023-12-16 18:20:43,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 18:20:43,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2023-12-16 18:20:43,985 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 4439 mSDsluCounter, 3092 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4439 SdHoareTripleChecker+Valid, 3872 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 18:20:43,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4439 Valid, 3872 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 18:20:43,986 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (16 of 17 remaining) [2023-12-16 18:20:43,990 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 (13)] Ended with exit code 0 [2023-12-16 18:20:44,004 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 (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 18:20:44,017 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 [2023-12-16 18:20:44,186 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 [2023-12-16 18:20:44,187 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). [2023-12-16 18:20:44,189 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 17 remaining) [2023-12-16 18:20:44,189 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (14 of 17 remaining) [2023-12-16 18:20:44,189 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (13 of 17 remaining) [2023-12-16 18:20:44,189 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (12 of 17 remaining) [2023-12-16 18:20:44,189 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (11 of 17 remaining) [2023-12-16 18:20:44,189 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (10 of 17 remaining) [2023-12-16 18:20:44,189 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (9 of 17 remaining) [2023-12-16 18:20:44,189 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (8 of 17 remaining) [2023-12-16 18:20:44,189 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (7 of 17 remaining) [2023-12-16 18:20:44,189 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (6 of 17 remaining) [2023-12-16 18:20:44,189 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (5 of 17 remaining) [2023-12-16 18:20:44,189 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (4 of 17 remaining) [2023-12-16 18:20:44,190 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (3 of 17 remaining) [2023-12-16 18:20:44,190 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (2 of 17 remaining) [2023-12-16 18:20:44,190 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (1 of 17 remaining) [2023-12-16 18:20:44,190 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (0 of 17 remaining) [2023-12-16 18:20:44,193 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:20:44,195 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 18:20:44,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 06:20:44 BoogieIcfgContainer [2023-12-16 18:20:44,197 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 18:20:44,198 INFO L158 Benchmark]: Toolchain (without parser) took 68007.15ms. Allocated memory was 191.9MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 108.4MB in the beginning and 802.0MB in the end (delta: -693.6MB). Peak memory consumption was 671.5MB. Max. memory is 8.0GB. [2023-12-16 18:20:44,198 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 191.9MB. Free memory is still 142.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 18:20:44,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1864.22ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 107.9MB in the beginning and 100.8MB in the end (delta: 7.1MB). Peak memory consumption was 80.2MB. Max. memory is 8.0GB. [2023-12-16 18:20:44,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 274.82ms. Allocated memory was 230.7MB in the beginning and 318.8MB in the end (delta: 88.1MB). Free memory was 100.8MB in the beginning and 197.4MB in the end (delta: -96.6MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2023-12-16 18:20:44,199 INFO L158 Benchmark]: Boogie Preprocessor took 394.42ms. Allocated memory is still 318.8MB. Free memory was 197.4MB in the beginning and 182.8MB in the end (delta: 14.7MB). Peak memory consumption was 76.5MB. Max. memory is 8.0GB. [2023-12-16 18:20:44,199 INFO L158 Benchmark]: RCFGBuilder took 6477.56ms. Allocated memory was 318.8MB in the beginning and 579.9MB in the end (delta: 261.1MB). Free memory was 182.8MB in the beginning and 194.8MB in the end (delta: -12.1MB). Peak memory consumption was 298.3MB. Max. memory is 8.0GB. [2023-12-16 18:20:44,199 INFO L158 Benchmark]: TraceAbstraction took 58990.38ms. Allocated memory was 579.9MB in the beginning and 1.6GB in the end (delta: 975.2MB). Free memory was 193.8MB in the beginning and 802.0MB in the end (delta: -608.2MB). Peak memory consumption was 367.5MB. Max. memory is 8.0GB. [2023-12-16 18:20:44,201 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 191.9MB. Free memory is still 142.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1864.22ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 107.9MB in the beginning and 100.8MB in the end (delta: 7.1MB). Peak memory consumption was 80.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 274.82ms. Allocated memory was 230.7MB in the beginning and 318.8MB in the end (delta: 88.1MB). Free memory was 100.8MB in the beginning and 197.4MB in the end (delta: -96.6MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 394.42ms. Allocated memory is still 318.8MB. Free memory was 197.4MB in the beginning and 182.8MB in the end (delta: 14.7MB). Peak memory consumption was 76.5MB. Max. memory is 8.0GB. * RCFGBuilder took 6477.56ms. Allocated memory was 318.8MB in the beginning and 579.9MB in the end (delta: 261.1MB). Free memory was 182.8MB in the beginning and 194.8MB in the end (delta: -12.1MB). Peak memory consumption was 298.3MB. Max. memory is 8.0GB. * TraceAbstraction took 58990.38ms. Allocated memory was 579.9MB in the beginning and 1.6GB in the end (delta: 975.2MB). Free memory was 193.8MB in the beginning and 802.0MB in the end (delta: -608.2MB). Peak memory consumption was 367.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 7614]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7614). Cancelled while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 2171]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2171). Cancelled while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 2710]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2710). Cancelled while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 4828]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 4828). Cancelled while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 5524]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 5524). Cancelled while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 6018]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 6018). Cancelled while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 6924]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 6924). Cancelled while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 8220]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 8220). Cancelled while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 11167]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 11167). Cancelled while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 11439]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 11439). Cancelled while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 12135]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 12135). Cancelled while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 12629]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 12629). Cancelled while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 14588]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 14588). Cancelled while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 16963]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 16963). Cancelled while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 19217]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19217). Cancelled while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 21519]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21519). Cancelled while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 24041]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 24041). Cancelled while NwaCegarLoop was constructing difference of abstraction (12160states) and FLOYD_HOARE automaton (currently 14 states, 13 states before enhancement),while ReachableStatesComputation was computing reachable states (2626 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3730 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 58.9s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 43.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 107774 SdHoareTripleChecker+Valid, 39.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107774 mSDsluCounter, 69123 SdHoareTripleChecker+Invalid, 35.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50537 mSDsCounter, 612 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36327 IncrementalHoareTripleChecker+Invalid, 36939 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 612 mSolverCounterUnsat, 18586 mSDtfsCounter, 36327 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 850 GetRequests, 711 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12160occurred in iteration=11, InterpolantAutomatonStates: 108, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 10117 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.8s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 804 NumberOfCodeBlocks, 804 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 792 ConstructedInterpolants, 408 QuantifiedInterpolants, 13483 SizeOfPredicates, 60 NumberOfNonLiveVariables, 7151 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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