/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.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 10:33:19,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 10:33:19,460 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 10:33:19,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 10:33:19,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 10:33:19,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 10:33:19,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 10:33:19,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 10:33:19,486 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 10:33:19,489 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 10:33:19,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 10:33:19,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 10:33:19,490 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 10:33:19,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 10:33:19,491 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 10:33:19,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 10:33:19,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 10:33:19,491 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 10:33:19,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 10:33:19,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 10:33:19,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 10:33:19,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 10:33:19,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 10:33:19,492 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 10:33:19,492 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 10:33:19,493 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 10:33:19,493 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 10:33:19,493 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 10:33:19,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 10:33:19,493 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 10:33:19,494 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 10:33:19,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 10:33:19,494 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 10:33:19,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 10:33:19,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 10:33:19,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 10:33:19,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 10:33:19,495 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 10:33:19,495 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 10:33:19,495 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 10:33:19,495 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 10:33:19,495 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 10:33:19,496 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 10:33:19,496 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 10:33:19,496 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 10:33:19,496 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 10:33:19,496 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 10:33:19,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 10:33:19,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 10:33:19,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 10:33:19,685 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 10:33:19,685 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 10:33:19,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2023-12-25 10:33:20,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 10:33:21,005 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 10:33:21,006 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2023-12-25 10:33:21,027 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/464894dac/329c4c98d7974f5abd0b3194fef96900/FLAGc450aa6ce [2023-12-25 10:33:21,039 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/464894dac/329c4c98d7974f5abd0b3194fef96900 [2023-12-25 10:33:21,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 10:33:21,042 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 10:33:21,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 10:33:21,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 10:33:21,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 10:33:21,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 10:33:21" (1/1) ... [2023-12-25 10:33:21,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b98694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:33:21, skipping insertion in model container [2023-12-25 10:33:21,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 10:33:21" (1/1) ... [2023-12-25 10:33:21,143 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 10:33:21,539 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[37686,37699] [2023-12-25 10:33:21,609 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[53661,53674] [2023-12-25 10:33:21,627 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[61658,61671] [2023-12-25 10:33:21,637 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[65640,65653] [2023-12-25 10:33:21,647 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[69487,69500] [2023-12-25 10:33:21,687 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[86510,86523] [2023-12-25 10:33:21,706 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[94544,94557] [2023-12-25 10:33:21,717 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[98563,98576] [2023-12-25 10:33:21,733 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[102447,102460] [2023-12-25 10:33:21,743 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[106961,106974] [2023-12-25 10:33:21,765 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[110869,110882] [2023-12-25 10:33:21,772 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[114888,114901] [2023-12-25 10:33:21,793 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[118772,118785] [2023-12-25 10:33:21,805 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[122907,122920] [2023-12-25 10:33:21,816 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[126958,126971] [2023-12-25 10:33:21,824 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[130958,130971] [2023-12-25 10:33:21,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 10:33:21,876 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 10:33:21,975 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[37686,37699] [2023-12-25 10:33:21,999 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[53661,53674] [2023-12-25 10:33:22,018 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[61658,61671] [2023-12-25 10:33:22,026 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[65640,65653] [2023-12-25 10:33:22,032 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[69487,69500] [2023-12-25 10:33:22,061 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[86510,86523] [2023-12-25 10:33:22,074 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[94544,94557] [2023-12-25 10:33:22,080 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[98563,98576] [2023-12-25 10:33:22,086 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[102447,102460] [2023-12-25 10:33:22,092 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[106961,106974] [2023-12-25 10:33:22,098 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[110869,110882] [2023-12-25 10:33:22,104 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[114888,114901] [2023-12-25 10:33:22,110 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[118772,118785] [2023-12-25 10:33:22,117 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[122907,122920] [2023-12-25 10:33:22,123 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[126958,126971] [2023-12-25 10:33:22,130 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[130958,130971] [2023-12-25 10:33:22,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 10:33:22,176 INFO L206 MainTranslator]: Completed translation [2023-12-25 10:33:22,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:33:22 WrapperNode [2023-12-25 10:33:22,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 10:33:22,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 10:33:22,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 10:33:22,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 10:33:22,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:33:22" (1/1) ... [2023-12-25 10:33:22,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:33:22" (1/1) ... [2023-12-25 10:33:22,364 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6213 [2023-12-25 10:33:22,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 10:33:22,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 10:33:22,366 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 10:33:22,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 10:33:22,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:33:22" (1/1) ... [2023-12-25 10:33:22,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:33:22" (1/1) ... [2023-12-25 10:33:22,390 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:33:22" (1/1) ... [2023-12-25 10:33:22,442 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-25 10:33:22,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:33:22" (1/1) ... [2023-12-25 10:33:22,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:33:22" (1/1) ... [2023-12-25 10:33:22,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:33:22" (1/1) ... [2023-12-25 10:33:22,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:33:22" (1/1) ... [2023-12-25 10:33:22,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:33:22" (1/1) ... [2023-12-25 10:33:22,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:33:22" (1/1) ... [2023-12-25 10:33:22,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 10:33:22,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 10:33:22,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 10:33:22,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 10:33:22,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:33:22" (1/1) ... [2023-12-25 10:33:22,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 10:33:22,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 10:33:22,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 10:33:22,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 10:33:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 10:33:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 10:33:22,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 10:33:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 10:33:22,819 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 10:33:22,821 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 10:33:25,178 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 10:33:25,256 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 10:33:25,257 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-25 10:33:25,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 10:33:25 BoogieIcfgContainer [2023-12-25 10:33:25,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 10:33:25,258 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 10:33:25,258 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 10:33:25,260 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 10:33:25,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 10:33:21" (1/3) ... [2023-12-25 10:33:25,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9c1a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 10:33:25, skipping insertion in model container [2023-12-25 10:33:25,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 10:33:22" (2/3) ... [2023-12-25 10:33:25,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9c1a21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 10:33:25, skipping insertion in model container [2023-12-25 10:33:25,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 10:33:25" (3/3) ... [2023-12-25 10:33:25,262 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2023-12-25 10:33:25,273 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 10:33:25,274 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-12-25 10:33:25,325 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 10:33:25,330 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;@2906de7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 10:33:25,330 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-12-25 10:33:25,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 1191 states, 1174 states have (on average 1.7717206132879046) internal successors, (2080), 1190 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:25,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-25 10:33:25,362 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:25,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:25,363 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:25,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:25,366 INFO L85 PathProgramCache]: Analyzing trace with hash -959725519, now seen corresponding path program 1 times [2023-12-25 10:33:25,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:25,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626439166] [2023-12-25 10:33:25,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:25,375 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:25,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:25,380 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:25,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 10:33:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:25,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 10:33:25,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:26,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:26,011 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:26,011 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:26,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626439166] [2023-12-25 10:33:26,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1626439166] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:26,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:26,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 10:33:26,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050400895] [2023-12-25 10:33:26,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:26,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 10:33:26,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:26,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 10:33:26,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 10:33:26,042 INFO L87 Difference]: Start difference. First operand has 1191 states, 1174 states have (on average 1.7717206132879046) internal successors, (2080), 1190 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:26,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:26,989 INFO L93 Difference]: Finished difference Result 1551 states and 2655 transitions. [2023-12-25 10:33:26,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 10:33:26,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2023-12-25 10:33:26,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:27,011 INFO L225 Difference]: With dead ends: 1551 [2023-12-25 10:33:27,011 INFO L226 Difference]: Without dead ends: 944 [2023-12-25 10:33:27,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 10:33:27,017 INFO L413 NwaCegarLoop]: 909 mSDtfsCounter, 4699 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4699 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:27,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4699 Valid, 917 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 10:33:27,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2023-12-25 10:33:27,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 944. [2023-12-25 10:33:27,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 928 states have (on average 1.293103448275862) internal successors, (1200), 943 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:27,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1200 transitions. [2023-12-25 10:33:27,093 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1200 transitions. Word has length 72 [2023-12-25 10:33:27,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:27,094 INFO L495 AbstractCegarLoop]: Abstraction has 944 states and 1200 transitions. [2023-12-25 10:33:27,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:27,094 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1200 transitions. [2023-12-25 10:33:27,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-25 10:33:27,100 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:27,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:27,105 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 [2023-12-25 10:33:27,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:27,305 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:27,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:27,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1526182328, now seen corresponding path program 1 times [2023-12-25 10:33:27,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:27,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [970085727] [2023-12-25 10:33:27,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:27,306 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:27,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:27,312 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:27,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 10:33:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:27,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 10:33:27,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:27,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:27,759 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:27,759 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:27,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [970085727] [2023-12-25 10:33:27,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [970085727] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:27,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:27,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 10:33:27,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107803824] [2023-12-25 10:33:27,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:27,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 10:33:27,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:27,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 10:33:27,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 10:33:27,762 INFO L87 Difference]: Start difference. First operand 944 states and 1200 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:28,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:28,297 INFO L93 Difference]: Finished difference Result 1226 states and 1557 transitions. [2023-12-25 10:33:28,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 10:33:28,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2023-12-25 10:33:28,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:28,300 INFO L225 Difference]: With dead ends: 1226 [2023-12-25 10:33:28,300 INFO L226 Difference]: Without dead ends: 751 [2023-12-25 10:33:28,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 10:33:28,303 INFO L413 NwaCegarLoop]: 484 mSDtfsCounter, 1869 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1869 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:28,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1869 Valid, 496 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 10:33:28,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2023-12-25 10:33:28,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 751. [2023-12-25 10:33:28,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 735 states have (on average 1.308843537414966) internal successors, (962), 750 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:28,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 962 transitions. [2023-12-25 10:33:28,314 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 962 transitions. Word has length 72 [2023-12-25 10:33:28,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:28,315 INFO L495 AbstractCegarLoop]: Abstraction has 751 states and 962 transitions. [2023-12-25 10:33:28,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:28,315 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 962 transitions. [2023-12-25 10:33:28,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-25 10:33:28,316 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:28,316 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:28,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-25 10:33:28,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:28,517 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:28,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:28,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1655124073, now seen corresponding path program 1 times [2023-12-25 10:33:28,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:28,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393478867] [2023-12-25 10:33:28,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:28,519 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:28,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:28,520 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:28,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-25 10:33:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:28,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 10:33:28,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:28,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:28,977 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:28,977 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:28,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393478867] [2023-12-25 10:33:28,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393478867] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:28,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:28,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 10:33:28,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589735244] [2023-12-25 10:33:28,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:28,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 10:33:28,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:28,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 10:33:28,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 10:33:28,979 INFO L87 Difference]: Start difference. First operand 751 states and 962 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:29,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:29,365 INFO L93 Difference]: Finished difference Result 961 states and 1222 transitions. [2023-12-25 10:33:29,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 10:33:29,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2023-12-25 10:33:29,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:29,368 INFO L225 Difference]: With dead ends: 961 [2023-12-25 10:33:29,368 INFO L226 Difference]: Without dead ends: 584 [2023-12-25 10:33:29,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 10:33:29,369 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 1434 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:29,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1434 Valid, 411 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-25 10:33:29,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2023-12-25 10:33:29,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2023-12-25 10:33:29,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 568 states have (on average 1.3169014084507042) internal successors, (748), 583 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:29,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 748 transitions. [2023-12-25 10:33:29,376 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 748 transitions. Word has length 72 [2023-12-25 10:33:29,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:29,377 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 748 transitions. [2023-12-25 10:33:29,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:29,377 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 748 transitions. [2023-12-25 10:33:29,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-25 10:33:29,378 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:29,378 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:29,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-25 10:33:29,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:29,582 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:29,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:29,582 INFO L85 PathProgramCache]: Analyzing trace with hash 265540588, now seen corresponding path program 1 times [2023-12-25 10:33:29,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:29,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122924978] [2023-12-25 10:33:29,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:29,583 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:29,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:29,584 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:29,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 10:33:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:29,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 10:33:29,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:30,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:30,002 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:30,002 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:30,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1122924978] [2023-12-25 10:33:30,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1122924978] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:30,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:30,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 10:33:30,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373207848] [2023-12-25 10:33:30,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:30,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 10:33:30,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:30,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 10:33:30,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 10:33:30,004 INFO L87 Difference]: Start difference. First operand 584 states and 748 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:30,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:30,358 INFO L93 Difference]: Finished difference Result 722 states and 911 transitions. [2023-12-25 10:33:30,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 10:33:30,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2023-12-25 10:33:30,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:30,360 INFO L225 Difference]: With dead ends: 722 [2023-12-25 10:33:30,360 INFO L226 Difference]: Without dead ends: 430 [2023-12-25 10:33:30,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 10:33:30,361 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 1023 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:30,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 333 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 10:33:30,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2023-12-25 10:33:30,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2023-12-25 10:33:30,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 414 states have (on average 1.318840579710145) internal successors, (546), 429 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:30,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 546 transitions. [2023-12-25 10:33:30,367 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 546 transitions. Word has length 74 [2023-12-25 10:33:30,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:30,367 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 546 transitions. [2023-12-25 10:33:30,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:30,367 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 546 transitions. [2023-12-25 10:33:30,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-25 10:33:30,368 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:30,368 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:30,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-25 10:33:30,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:30,572 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:30,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:30,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1983390979, now seen corresponding path program 1 times [2023-12-25 10:33:30,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:30,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1380664946] [2023-12-25 10:33:30,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:30,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:30,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:30,574 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:30,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-25 10:33:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:30,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 10:33:30,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:30,974 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:30,974 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:30,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1380664946] [2023-12-25 10:33:30,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1380664946] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:30,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:30,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 10:33:30,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159837837] [2023-12-25 10:33:30,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:30,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 10:33:30,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:30,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 10:33:30,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 10:33:30,976 INFO L87 Difference]: Start difference. First operand 430 states and 546 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:31,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:31,291 INFO L93 Difference]: Finished difference Result 658 states and 843 transitions. [2023-12-25 10:33:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 10:33:31,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-12-25 10:33:31,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:31,293 INFO L225 Difference]: With dead ends: 658 [2023-12-25 10:33:31,293 INFO L226 Difference]: Without dead ends: 422 [2023-12-25 10:33:31,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-25 10:33:31,294 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 988 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:31,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [988 Valid, 310 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 10:33:31,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2023-12-25 10:33:31,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 422. [2023-12-25 10:33:31,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.3201970443349753) internal successors, (536), 421 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:31,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 536 transitions. [2023-12-25 10:33:31,300 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 536 transitions. Word has length 76 [2023-12-25 10:33:31,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:31,300 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 536 transitions. [2023-12-25 10:33:31,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:31,300 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 536 transitions. [2023-12-25 10:33:31,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-25 10:33:31,301 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:31,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:31,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-25 10:33:31,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:31,504 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:31,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:31,505 INFO L85 PathProgramCache]: Analyzing trace with hash 802660192, now seen corresponding path program 1 times [2023-12-25 10:33:31,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:31,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947658042] [2023-12-25 10:33:31,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:31,505 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:31,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:31,506 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:31,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-25 10:33:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:31,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-25 10:33:31,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:32,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:32,027 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:32,027 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:32,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947658042] [2023-12-25 10:33:32,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [947658042] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:32,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:32,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-25 10:33:32,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031104763] [2023-12-25 10:33:32,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:32,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 10:33:32,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:32,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 10:33:32,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-25 10:33:32,029 INFO L87 Difference]: Start difference. First operand 422 states and 536 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:32,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:32,754 INFO L93 Difference]: Finished difference Result 651 states and 833 transitions. [2023-12-25 10:33:32,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 10:33:32,754 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-25 10:33:32,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:32,755 INFO L225 Difference]: With dead ends: 651 [2023-12-25 10:33:32,756 INFO L226 Difference]: Without dead ends: 422 [2023-12-25 10:33:32,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-25 10:33:32,757 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 1495 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:32,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 583 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 10:33:32,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2023-12-25 10:33:32,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 422. [2023-12-25 10:33:32,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.3177339901477831) internal successors, (535), 421 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:32,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 535 transitions. [2023-12-25 10:33:32,762 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 535 transitions. Word has length 78 [2023-12-25 10:33:32,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:32,762 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 535 transitions. [2023-12-25 10:33:32,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:32,762 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 535 transitions. [2023-12-25 10:33:32,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-25 10:33:32,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:32,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:32,766 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 (7)] Ended with exit code 0 [2023-12-25 10:33:32,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:32,966 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:32,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:32,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1668159008, now seen corresponding path program 1 times [2023-12-25 10:33:32,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:32,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578926982] [2023-12-25 10:33:32,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:32,968 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:32,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:32,969 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:32,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-25 10:33:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:33,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:33:33,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:33,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:33,604 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:33,604 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:33,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [578926982] [2023-12-25 10:33:33,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [578926982] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:33,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:33,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:33:33,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369096858] [2023-12-25 10:33:33,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:33,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:33:33,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:33,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:33:33,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:33:33,606 INFO L87 Difference]: Start difference. First operand 422 states and 535 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:34,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:34,775 INFO L93 Difference]: Finished difference Result 581 states and 762 transitions. [2023-12-25 10:33:34,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:33:34,776 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-25 10:33:34,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:34,777 INFO L225 Difference]: With dead ends: 581 [2023-12-25 10:33:34,777 INFO L226 Difference]: Without dead ends: 487 [2023-12-25 10:33:34,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:33:34,778 INFO L413 NwaCegarLoop]: 354 mSDtfsCounter, 1302 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:34,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 1277 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-25 10:33:34,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2023-12-25 10:33:34,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 422. [2023-12-25 10:33:34,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.3152709359605912) internal successors, (534), 421 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:34,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 534 transitions. [2023-12-25 10:33:34,784 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 534 transitions. Word has length 78 [2023-12-25 10:33:34,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:34,784 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 534 transitions. [2023-12-25 10:33:34,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:34,784 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 534 transitions. [2023-12-25 10:33:34,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-25 10:33:34,785 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:34,785 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:34,812 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 [2023-12-25 10:33:34,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:34,986 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:34,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:34,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1675317728, now seen corresponding path program 1 times [2023-12-25 10:33:34,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:34,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1703611149] [2023-12-25 10:33:34,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:34,987 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:34,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:34,988 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:34,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-25 10:33:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:35,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:33:35,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:35,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:35,661 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:35,661 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:35,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1703611149] [2023-12-25 10:33:35,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1703611149] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:35,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:35,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:33:35,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179119283] [2023-12-25 10:33:35,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:35,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:33:35,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:35,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:33:35,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:33:35,662 INFO L87 Difference]: Start difference. First operand 422 states and 534 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:36,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:36,673 INFO L93 Difference]: Finished difference Result 624 states and 816 transitions. [2023-12-25 10:33:36,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:33:36,673 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-25 10:33:36,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:36,675 INFO L225 Difference]: With dead ends: 624 [2023-12-25 10:33:36,675 INFO L226 Difference]: Without dead ends: 487 [2023-12-25 10:33:36,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:33:36,676 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 1548 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1548 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:36,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1548 Valid, 1111 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 10:33:36,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2023-12-25 10:33:36,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 422. [2023-12-25 10:33:36,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.312807881773399) internal successors, (533), 421 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:36,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 533 transitions. [2023-12-25 10:33:36,681 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 533 transitions. Word has length 78 [2023-12-25 10:33:36,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:36,682 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 533 transitions. [2023-12-25 10:33:36,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:36,682 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 533 transitions. [2023-12-25 10:33:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-25 10:33:36,683 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:36,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:36,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-12-25 10:33:36,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:36,888 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:36,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:36,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1605144151, now seen corresponding path program 1 times [2023-12-25 10:33:36,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:36,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915004208] [2023-12-25 10:33:36,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:36,889 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 [2023-12-25 10:33:36,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:36,890 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:36,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-25 10:33:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:37,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:33:37,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:37,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:37,542 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:37,542 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:37,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915004208] [2023-12-25 10:33:37,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [915004208] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:37,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:37,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:33:37,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129980428] [2023-12-25 10:33:37,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:37,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:33:37,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:37,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:33:37,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:33:37,544 INFO L87 Difference]: Start difference. First operand 422 states and 533 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:38,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:38,654 INFO L93 Difference]: Finished difference Result 562 states and 736 transitions. [2023-12-25 10:33:38,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:33:38,654 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-12-25 10:33:38,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:38,656 INFO L225 Difference]: With dead ends: 562 [2023-12-25 10:33:38,656 INFO L226 Difference]: Without dead ends: 487 [2023-12-25 10:33:38,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:33:38,656 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 1280 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 937 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:38,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1280 Valid, 1273 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 937 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-25 10:33:38,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2023-12-25 10:33:38,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 422. [2023-12-25 10:33:38,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.3103448275862069) internal successors, (532), 421 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:38,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 532 transitions. [2023-12-25 10:33:38,662 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 532 transitions. Word has length 79 [2023-12-25 10:33:38,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:38,662 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 532 transitions. [2023-12-25 10:33:38,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:38,662 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 532 transitions. [2023-12-25 10:33:38,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-25 10:33:38,663 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:38,663 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:38,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-12-25 10:33:38,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:38,867 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:38,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:38,868 INFO L85 PathProgramCache]: Analyzing trace with hash 968830309, now seen corresponding path program 1 times [2023-12-25 10:33:38,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:38,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845739506] [2023-12-25 10:33:38,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:38,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:38,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:38,870 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:38,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-25 10:33:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:39,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:33:39,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:39,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:39,470 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:39,470 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:39,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845739506] [2023-12-25 10:33:39,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [845739506] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:39,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:39,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:33:39,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889069194] [2023-12-25 10:33:39,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:39,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:33:39,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:39,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:33:39,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:33:39,474 INFO L87 Difference]: Start difference. First operand 422 states and 532 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:40,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:40,579 INFO L93 Difference]: Finished difference Result 639 states and 827 transitions. [2023-12-25 10:33:40,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:33:40,580 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-25 10:33:40,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:40,581 INFO L225 Difference]: With dead ends: 639 [2023-12-25 10:33:40,581 INFO L226 Difference]: Without dead ends: 487 [2023-12-25 10:33:40,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:33:40,582 INFO L413 NwaCegarLoop]: 373 mSDtfsCounter, 1847 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1847 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:40,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1847 Valid, 1252 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 10:33:40,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2023-12-25 10:33:40,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 422. [2023-12-25 10:33:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.3078817733990147) internal successors, (531), 421 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 531 transitions. [2023-12-25 10:33:40,587 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 531 transitions. Word has length 80 [2023-12-25 10:33:40,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:40,587 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 531 transitions. [2023-12-25 10:33:40,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:40,588 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 531 transitions. [2023-12-25 10:33:40,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-25 10:33:40,590 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:40,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:40,607 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 [2023-12-25 10:33:40,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:40,795 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:40,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:40,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1772365797, now seen corresponding path program 1 times [2023-12-25 10:33:40,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:40,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1673319334] [2023-12-25 10:33:40,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:40,796 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:40,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:40,797 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:40,798 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 (12)] Waiting until timeout for monitored process [2023-12-25 10:33:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:40,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:33:40,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:41,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:41,362 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:41,362 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:41,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1673319334] [2023-12-25 10:33:41,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1673319334] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:41,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:41,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:33:41,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772794995] [2023-12-25 10:33:41,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:41,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:33:41,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:41,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:33:41,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:33:41,363 INFO L87 Difference]: Start difference. First operand 422 states and 531 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:42,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:42,476 INFO L93 Difference]: Finished difference Result 590 states and 765 transitions. [2023-12-25 10:33:42,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:33:42,477 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-25 10:33:42,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:42,478 INFO L225 Difference]: With dead ends: 590 [2023-12-25 10:33:42,478 INFO L226 Difference]: Without dead ends: 487 [2023-12-25 10:33:42,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:33:42,479 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 1269 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 1315 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:42,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1269 Valid, 1315 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-25 10:33:42,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2023-12-25 10:33:42,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 422. [2023-12-25 10:33:42,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.3054187192118227) internal successors, (530), 421 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:42,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 530 transitions. [2023-12-25 10:33:42,485 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 530 transitions. Word has length 80 [2023-12-25 10:33:42,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:42,486 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 530 transitions. [2023-12-25 10:33:42,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:42,486 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 530 transitions. [2023-12-25 10:33:42,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-25 10:33:42,487 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:42,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:42,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-12-25 10:33:42,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:42,690 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:42,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:42,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1109843867, now seen corresponding path program 1 times [2023-12-25 10:33:42,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:42,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290969879] [2023-12-25 10:33:42,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:42,691 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:42,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:42,692 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:42,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-12-25 10:33:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:42,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:33:42,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:43,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:43,303 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:43,304 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:43,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290969879] [2023-12-25 10:33:43,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290969879] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:43,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:43,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:33:43,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35885544] [2023-12-25 10:33:43,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:43,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:33:43,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:43,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:33:43,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:33:43,305 INFO L87 Difference]: Start difference. First operand 422 states and 530 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:44,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:44,386 INFO L93 Difference]: Finished difference Result 566 states and 736 transitions. [2023-12-25 10:33:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:33:44,389 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-25 10:33:44,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:44,390 INFO L225 Difference]: With dead ends: 566 [2023-12-25 10:33:44,391 INFO L226 Difference]: Without dead ends: 487 [2023-12-25 10:33:44,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:33:44,392 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 1240 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1240 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:44,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1240 Valid, 1318 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 929 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-25 10:33:44,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2023-12-25 10:33:44,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 422. [2023-12-25 10:33:44,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.3029556650246306) internal successors, (529), 421 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:44,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 529 transitions. [2023-12-25 10:33:44,396 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 529 transitions. Word has length 80 [2023-12-25 10:33:44,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:44,397 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 529 transitions. [2023-12-25 10:33:44,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:44,397 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 529 transitions. [2023-12-25 10:33:44,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-25 10:33:44,397 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:44,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:44,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-12-25 10:33:44,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:44,601 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:44,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:44,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1167764005, now seen corresponding path program 1 times [2023-12-25 10:33:44,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:44,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1646691110] [2023-12-25 10:33:44,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:44,602 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:44,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:44,603 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:44,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-25 10:33:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:44,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:33:44,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:45,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:45,183 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:45,183 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:45,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1646691110] [2023-12-25 10:33:45,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1646691110] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:45,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:45,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:33:45,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436097736] [2023-12-25 10:33:45,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:45,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:33:45,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:45,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:33:45,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:33:45,184 INFO L87 Difference]: Start difference. First operand 422 states and 529 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:46,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:46,257 INFO L93 Difference]: Finished difference Result 566 states and 736 transitions. [2023-12-25 10:33:46,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:33:46,257 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-25 10:33:46,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:46,271 INFO L225 Difference]: With dead ends: 566 [2023-12-25 10:33:46,271 INFO L226 Difference]: Without dead ends: 487 [2023-12-25 10:33:46,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:33:46,272 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 1239 mSDsluCounter, 952 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:46,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 1316 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 10:33:46,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2023-12-25 10:33:46,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 422. [2023-12-25 10:33:46,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.3004926108374384) internal successors, (528), 421 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:46,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 528 transitions. [2023-12-25 10:33:46,289 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 528 transitions. Word has length 80 [2023-12-25 10:33:46,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:46,290 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 528 transitions. [2023-12-25 10:33:46,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:46,290 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 528 transitions. [2023-12-25 10:33:46,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-25 10:33:46,291 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:46,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:46,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2023-12-25 10:33:46,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:46,494 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:46,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:46,494 INFO L85 PathProgramCache]: Analyzing trace with hash 845800069, now seen corresponding path program 1 times [2023-12-25 10:33:46,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:46,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1650751117] [2023-12-25 10:33:46,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:46,495 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:46,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:46,496 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:46,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-12-25 10:33:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:46,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:33:46,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:47,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:47,168 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:47,168 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:47,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1650751117] [2023-12-25 10:33:47,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1650751117] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:47,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:47,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:33:47,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727700498] [2023-12-25 10:33:47,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:47,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:33:47,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:47,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:33:47,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:33:47,169 INFO L87 Difference]: Start difference. First operand 422 states and 528 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:48,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:48,341 INFO L93 Difference]: Finished difference Result 590 states and 764 transitions. [2023-12-25 10:33:48,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:33:48,341 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-25 10:33:48,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:48,343 INFO L225 Difference]: With dead ends: 590 [2023-12-25 10:33:48,343 INFO L226 Difference]: Without dead ends: 487 [2023-12-25 10:33:48,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:33:48,343 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 1265 mSDsluCounter, 941 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 1311 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:48,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1265 Valid, 1311 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-25 10:33:48,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2023-12-25 10:33:48,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 422. [2023-12-25 10:33:48,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.2980295566502462) internal successors, (527), 421 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:48,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 527 transitions. [2023-12-25 10:33:48,349 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 527 transitions. Word has length 80 [2023-12-25 10:33:48,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:48,349 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 527 transitions. [2023-12-25 10:33:48,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:48,350 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 527 transitions. [2023-12-25 10:33:48,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-25 10:33:48,350 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:48,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:48,370 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 (15)] Forceful destruction successful, exit code 0 [2023-12-25 10:33:48,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:48,551 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:48,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:48,552 INFO L85 PathProgramCache]: Analyzing trace with hash 319051941, now seen corresponding path program 1 times [2023-12-25 10:33:48,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:48,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1608730157] [2023-12-25 10:33:48,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:48,552 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:48,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:48,553 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:48,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-12-25 10:33:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:48,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:33:48,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:49,215 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:49,216 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:49,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1608730157] [2023-12-25 10:33:49,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1608730157] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:49,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:49,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:33:49,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219416462] [2023-12-25 10:33:49,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:49,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:33:49,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:49,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:33:49,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:33:49,217 INFO L87 Difference]: Start difference. First operand 422 states and 527 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:50,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:50,324 INFO L93 Difference]: Finished difference Result 566 states and 733 transitions. [2023-12-25 10:33:50,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:33:50,325 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-25 10:33:50,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:50,326 INFO L225 Difference]: With dead ends: 566 [2023-12-25 10:33:50,326 INFO L226 Difference]: Without dead ends: 487 [2023-12-25 10:33:50,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:33:50,329 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 1639 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1639 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:50,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1639 Valid, 1318 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-25 10:33:50,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2023-12-25 10:33:50,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 422. [2023-12-25 10:33:50,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.2955665024630543) internal successors, (526), 421 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:50,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 526 transitions. [2023-12-25 10:33:50,368 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 526 transitions. Word has length 80 [2023-12-25 10:33:50,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:50,368 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 526 transitions. [2023-12-25 10:33:50,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:50,368 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 526 transitions. [2023-12-25 10:33:50,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-25 10:33:50,369 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:50,369 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:50,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2023-12-25 10:33:50,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:50,573 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:50,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:50,573 INFO L85 PathProgramCache]: Analyzing trace with hash 436282523, now seen corresponding path program 1 times [2023-12-25 10:33:50,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:50,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436329184] [2023-12-25 10:33:50,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:50,574 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:50,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:50,575 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:50,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-12-25 10:33:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:50,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:33:50,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:51,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:51,265 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:51,265 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:51,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436329184] [2023-12-25 10:33:51,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436329184] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:51,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:51,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:33:51,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003792811] [2023-12-25 10:33:51,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:51,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:33:51,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:51,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:33:51,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:33:51,266 INFO L87 Difference]: Start difference. First operand 422 states and 526 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:52,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:52,415 INFO L93 Difference]: Finished difference Result 552 states and 716 transitions. [2023-12-25 10:33:52,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:33:52,415 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-25 10:33:52,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:52,417 INFO L225 Difference]: With dead ends: 552 [2023-12-25 10:33:52,417 INFO L226 Difference]: Without dead ends: 486 [2023-12-25 10:33:52,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:33:52,417 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 1268 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:52,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 1262 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 924 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-25 10:33:52,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2023-12-25 10:33:52,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 421. [2023-12-25 10:33:52,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2938271604938272) internal successors, (524), 420 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:52,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 524 transitions. [2023-12-25 10:33:52,422 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 524 transitions. Word has length 80 [2023-12-25 10:33:52,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:52,422 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 524 transitions. [2023-12-25 10:33:52,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:52,422 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 524 transitions. [2023-12-25 10:33:52,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-25 10:33:52,423 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:52,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:52,429 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 (17)] Forceful destruction successful, exit code 0 [2023-12-25 10:33:52,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:52,627 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:52,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:52,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1402771346, now seen corresponding path program 1 times [2023-12-25 10:33:52,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:52,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113958235] [2023-12-25 10:33:52,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:52,628 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:52,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:52,629 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:52,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-12-25 10:33:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:52,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:33:52,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:53,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:53,238 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:53,238 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:53,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113958235] [2023-12-25 10:33:53,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [113958235] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:53,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:53,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:33:53,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369343047] [2023-12-25 10:33:53,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:53,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:33:53,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:53,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:33:53,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:33:53,241 INFO L87 Difference]: Start difference. First operand 421 states and 524 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:54,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:54,456 INFO L93 Difference]: Finished difference Result 554 states and 717 transitions. [2023-12-25 10:33:54,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:33:54,457 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-12-25 10:33:54,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:54,458 INFO L225 Difference]: With dead ends: 554 [2023-12-25 10:33:54,458 INFO L226 Difference]: Without dead ends: 486 [2023-12-25 10:33:54,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:33:54,459 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 1627 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1627 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:54,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1627 Valid, 1229 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-25 10:33:54,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2023-12-25 10:33:54,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 421. [2023-12-25 10:33:54,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.291358024691358) internal successors, (523), 420 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:54,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 523 transitions. [2023-12-25 10:33:54,463 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 523 transitions. Word has length 81 [2023-12-25 10:33:54,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:54,463 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 523 transitions. [2023-12-25 10:33:54,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:54,463 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 523 transitions. [2023-12-25 10:33:54,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-25 10:33:54,464 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:54,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:54,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2023-12-25 10:33:54,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:54,667 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:54,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:54,668 INFO L85 PathProgramCache]: Analyzing trace with hash -737160558, now seen corresponding path program 1 times [2023-12-25 10:33:54,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:54,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1032173436] [2023-12-25 10:33:54,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:54,668 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:54,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:54,669 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:54,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-12-25 10:33:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:54,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:33:54,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:55,268 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:55,268 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:55,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1032173436] [2023-12-25 10:33:55,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1032173436] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:55,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:55,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:33:55,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798502740] [2023-12-25 10:33:55,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:55,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:33:55,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:55,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:33:55,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:33:55,272 INFO L87 Difference]: Start difference. First operand 421 states and 523 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:56,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:56,397 INFO L93 Difference]: Finished difference Result 554 states and 716 transitions. [2023-12-25 10:33:56,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:33:56,397 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-12-25 10:33:56,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:56,399 INFO L225 Difference]: With dead ends: 554 [2023-12-25 10:33:56,399 INFO L226 Difference]: Without dead ends: 486 [2023-12-25 10:33:56,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:33:56,399 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 1710 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1710 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:56,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1710 Valid, 1261 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-25 10:33:56,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2023-12-25 10:33:56,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 421. [2023-12-25 10:33:56,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.288888888888889) internal successors, (522), 420 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:56,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 522 transitions. [2023-12-25 10:33:56,405 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 522 transitions. Word has length 81 [2023-12-25 10:33:56,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:56,405 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 522 transitions. [2023-12-25 10:33:56,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:56,405 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 522 transitions. [2023-12-25 10:33:56,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-25 10:33:56,406 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:56,406 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:56,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2023-12-25 10:33:56,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:56,610 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:56,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:56,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1762485042, now seen corresponding path program 1 times [2023-12-25 10:33:56,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:56,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59143424] [2023-12-25 10:33:56,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:56,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:56,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:56,611 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:56,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2023-12-25 10:33:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:56,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:33:56,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:57,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:57,233 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:57,233 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:57,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59143424] [2023-12-25 10:33:57,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59143424] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:57,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:57,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:33:57,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106255837] [2023-12-25 10:33:57,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:57,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:33:57,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:57,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:33:57,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:33:57,235 INFO L87 Difference]: Start difference. First operand 421 states and 522 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:58,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:33:58,275 INFO L93 Difference]: Finished difference Result 554 states and 715 transitions. [2023-12-25 10:33:58,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:33:58,276 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-12-25 10:33:58,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:33:58,277 INFO L225 Difference]: With dead ends: 554 [2023-12-25 10:33:58,277 INFO L226 Difference]: Without dead ends: 486 [2023-12-25 10:33:58,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:33:58,278 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 1260 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 1265 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 10:33:58,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1260 Valid, 1265 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 10:33:58,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2023-12-25 10:33:58,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 421. [2023-12-25 10:33:58,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2864197530864196) internal successors, (521), 420 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:58,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 521 transitions. [2023-12-25 10:33:58,282 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 521 transitions. Word has length 81 [2023-12-25 10:33:58,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:33:58,282 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 521 transitions. [2023-12-25 10:33:58,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:33:58,282 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 521 transitions. [2023-12-25 10:33:58,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-25 10:33:58,283 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:33:58,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:33:58,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2023-12-25 10:33:58,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:58,486 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:33:58,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:33:58,487 INFO L85 PathProgramCache]: Analyzing trace with hash -818292174, now seen corresponding path program 1 times [2023-12-25 10:33:58,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:33:58,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2029439805] [2023-12-25 10:33:58,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:33:58,488 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:33:58,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:33:58,489 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:33:58,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2023-12-25 10:33:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:33:58,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:33:58,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:33:59,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:33:59,084 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:33:59,084 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:33:59,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2029439805] [2023-12-25 10:33:59,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2029439805] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:33:59,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:33:59,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:33:59,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018395489] [2023-12-25 10:33:59,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:33:59,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:33:59,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:33:59,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:33:59,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:33:59,085 INFO L87 Difference]: Start difference. First operand 421 states and 521 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:00,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:34:00,211 INFO L93 Difference]: Finished difference Result 554 states and 714 transitions. [2023-12-25 10:34:00,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:34:00,212 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-12-25 10:34:00,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:34:00,213 INFO L225 Difference]: With dead ends: 554 [2023-12-25 10:34:00,213 INFO L226 Difference]: Without dead ends: 486 [2023-12-25 10:34:00,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:34:00,214 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 1258 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1258 SdHoareTripleChecker+Valid, 1265 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:34:00,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1258 Valid, 1265 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-25 10:34:00,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2023-12-25 10:34:00,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 421. [2023-12-25 10:34:00,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2839506172839505) internal successors, (520), 420 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:00,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 520 transitions. [2023-12-25 10:34:00,218 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 520 transitions. Word has length 81 [2023-12-25 10:34:00,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:34:00,218 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 520 transitions. [2023-12-25 10:34:00,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:00,218 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 520 transitions. [2023-12-25 10:34:00,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 10:34:00,219 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:34:00,219 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:34:00,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2023-12-25 10:34:00,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:00,422 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:34:00,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:34:00,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1416899414, now seen corresponding path program 1 times [2023-12-25 10:34:00,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:34:00,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [391528717] [2023-12-25 10:34:00,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:34:00,423 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:00,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:34:00,424 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:34:00,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-12-25 10:34:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:34:00,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:34:00,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:34:01,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:34:01,014 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:34:01,014 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:34:01,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [391528717] [2023-12-25 10:34:01,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [391528717] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:34:01,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:34:01,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:34:01,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884085513] [2023-12-25 10:34:01,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:34:01,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:34:01,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:34:01,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:34:01,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:34:01,016 INFO L87 Difference]: Start difference. First operand 421 states and 520 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:02,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:34:02,114 INFO L93 Difference]: Finished difference Result 492 states and 620 transitions. [2023-12-25 10:34:02,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:34:02,114 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-25 10:34:02,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:34:02,115 INFO L225 Difference]: With dead ends: 492 [2023-12-25 10:34:02,115 INFO L226 Difference]: Without dead ends: 486 [2023-12-25 10:34:02,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:34:02,116 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 1265 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:34:02,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1265 Valid, 1250 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-25 10:34:02,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2023-12-25 10:34:02,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 421. [2023-12-25 10:34:02,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2814814814814814) internal successors, (519), 420 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:02,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 519 transitions. [2023-12-25 10:34:02,122 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 519 transitions. Word has length 82 [2023-12-25 10:34:02,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:34:02,122 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 519 transitions. [2023-12-25 10:34:02,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:02,122 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 519 transitions. [2023-12-25 10:34:02,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 10:34:02,123 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:34:02,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:34:02,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2023-12-25 10:34:02,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:02,327 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:34:02,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:34:02,327 INFO L85 PathProgramCache]: Analyzing trace with hash 110550506, now seen corresponding path program 1 times [2023-12-25 10:34:02,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:34:02,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1688625016] [2023-12-25 10:34:02,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:34:02,328 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:02,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:34:02,329 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:34:02,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2023-12-25 10:34:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:34:02,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:34:02,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:34:02,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:34:02,932 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:34:02,932 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:34:02,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1688625016] [2023-12-25 10:34:02,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1688625016] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:34:02,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:34:02,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:34:02,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597568201] [2023-12-25 10:34:02,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:34:02,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:34:02,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:34:02,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:34:02,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:34:02,934 INFO L87 Difference]: Start difference. First operand 421 states and 519 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:03,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:34:03,965 INFO L93 Difference]: Finished difference Result 505 states and 634 transitions. [2023-12-25 10:34:03,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:34:03,967 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-25 10:34:03,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:34:03,968 INFO L225 Difference]: With dead ends: 505 [2023-12-25 10:34:03,968 INFO L226 Difference]: Without dead ends: 486 [2023-12-25 10:34:03,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:34:03,970 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 1229 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 887 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1229 SdHoareTripleChecker+Valid, 1299 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 10:34:03,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1229 Valid, 1299 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 887 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 10:34:03,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2023-12-25 10:34:03,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 421. [2023-12-25 10:34:03,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2790123456790123) internal successors, (518), 420 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 518 transitions. [2023-12-25 10:34:03,974 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 518 transitions. Word has length 82 [2023-12-25 10:34:03,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:34:03,974 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 518 transitions. [2023-12-25 10:34:03,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:03,974 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 518 transitions. [2023-12-25 10:34:03,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 10:34:03,975 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:34:03,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:34:03,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2023-12-25 10:34:04,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:04,178 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:34:04,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:34:04,178 INFO L85 PathProgramCache]: Analyzing trace with hash -534325398, now seen corresponding path program 1 times [2023-12-25 10:34:04,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:34:04,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [535087183] [2023-12-25 10:34:04,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:34:04,179 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:04,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:34:04,180 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:34:04,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2023-12-25 10:34:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:34:04,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:34:04,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:34:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:34:04,746 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:34:04,746 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:34:04,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [535087183] [2023-12-25 10:34:04,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [535087183] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:34:04,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:34:04,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:34:04,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021660034] [2023-12-25 10:34:04,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:34:04,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:34:04,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:34:04,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:34:04,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:34:04,750 INFO L87 Difference]: Start difference. First operand 421 states and 518 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:05,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:34:05,798 INFO L93 Difference]: Finished difference Result 492 states and 618 transitions. [2023-12-25 10:34:05,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:34:05,799 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-25 10:34:05,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:34:05,800 INFO L225 Difference]: With dead ends: 492 [2023-12-25 10:34:05,800 INFO L226 Difference]: Without dead ends: 486 [2023-12-25 10:34:05,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:34:05,801 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 1252 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1252 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 10:34:05,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1252 Valid, 1262 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 10:34:05,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2023-12-25 10:34:05,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 421. [2023-12-25 10:34:05,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2765432098765432) internal successors, (517), 420 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:05,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 517 transitions. [2023-12-25 10:34:05,805 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 517 transitions. Word has length 82 [2023-12-25 10:34:05,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:34:05,805 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 517 transitions. [2023-12-25 10:34:05,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:05,805 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 517 transitions. [2023-12-25 10:34:05,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 10:34:05,806 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:34:05,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:34:05,809 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 (24)] Forceful destruction successful, exit code 0 [2023-12-25 10:34:06,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:06,008 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:34:06,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:34:06,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1378881558, now seen corresponding path program 1 times [2023-12-25 10:34:06,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:34:06,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1733956489] [2023-12-25 10:34:06,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:34:06,009 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:06,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:34:06,011 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:34:06,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2023-12-25 10:34:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:34:06,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:34:06,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:34:06,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:34:06,670 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:34:06,670 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:34:06,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1733956489] [2023-12-25 10:34:06,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1733956489] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:34:06,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:34:06,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:34:06,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304658657] [2023-12-25 10:34:06,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:34:06,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:34:06,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:34:06,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:34:06,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:34:06,671 INFO L87 Difference]: Start difference. First operand 421 states and 517 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:07,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:34:07,789 INFO L93 Difference]: Finished difference Result 557 states and 713 transitions. [2023-12-25 10:34:07,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:34:07,790 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-25 10:34:07,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:34:07,791 INFO L225 Difference]: With dead ends: 557 [2023-12-25 10:34:07,791 INFO L226 Difference]: Without dead ends: 486 [2023-12-25 10:34:07,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:34:07,792 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 1251 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 891 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1251 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:34:07,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1251 Valid, 1261 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 891 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-25 10:34:07,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2023-12-25 10:34:07,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 421. [2023-12-25 10:34:07,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2740740740740741) internal successors, (516), 420 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:07,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 516 transitions. [2023-12-25 10:34:07,796 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 516 transitions. Word has length 82 [2023-12-25 10:34:07,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:34:07,796 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 516 transitions. [2023-12-25 10:34:07,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:07,796 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 516 transitions. [2023-12-25 10:34:07,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 10:34:07,797 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:34:07,797 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:34:07,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2023-12-25 10:34:08,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:08,000 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:34:08,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:34:08,001 INFO L85 PathProgramCache]: Analyzing trace with hash 148568362, now seen corresponding path program 1 times [2023-12-25 10:34:08,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:34:08,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [793467754] [2023-12-25 10:34:08,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:34:08,002 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:08,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:34:08,003 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:34:08,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2023-12-25 10:34:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:34:08,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:34:08,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:34:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:34:08,589 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:34:08,589 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:34:08,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [793467754] [2023-12-25 10:34:08,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [793467754] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:34:08,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:34:08,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:34:08,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415987966] [2023-12-25 10:34:08,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:34:08,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:34:08,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:34:08,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:34:08,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:34:08,590 INFO L87 Difference]: Start difference. First operand 421 states and 516 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:09,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:34:09,644 INFO L93 Difference]: Finished difference Result 570 states and 727 transitions. [2023-12-25 10:34:09,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:34:09,645 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-25 10:34:09,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:34:09,646 INFO L225 Difference]: With dead ends: 570 [2023-12-25 10:34:09,646 INFO L226 Difference]: Without dead ends: 486 [2023-12-25 10:34:09,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:34:09,647 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 1217 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1217 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 10:34:09,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1217 Valid, 1309 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 10:34:09,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2023-12-25 10:34:09,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 421. [2023-12-25 10:34:09,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.271604938271605) internal successors, (515), 420 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:09,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 515 transitions. [2023-12-25 10:34:09,651 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 515 transitions. Word has length 82 [2023-12-25 10:34:09,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:34:09,651 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 515 transitions. [2023-12-25 10:34:09,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:09,651 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 515 transitions. [2023-12-25 10:34:09,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 10:34:09,652 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:34:09,652 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:34:09,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2023-12-25 10:34:09,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:09,855 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:34:09,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:34:09,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1321164118, now seen corresponding path program 1 times [2023-12-25 10:34:09,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:34:09,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947284609] [2023-12-25 10:34:09,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:34:09,856 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 [2023-12-25 10:34:09,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:34:09,857 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:34:09,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2023-12-25 10:34:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:34:10,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:34:10,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:34:10,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:34:10,474 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:34:10,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:34:10,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947284609] [2023-12-25 10:34:10,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947284609] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:34:10,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:34:10,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:34:10,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018554907] [2023-12-25 10:34:10,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:34:10,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:34:10,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:34:10,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:34:10,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:34:10,476 INFO L87 Difference]: Start difference. First operand 421 states and 515 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:11,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:34:11,579 INFO L93 Difference]: Finished difference Result 595 states and 756 transitions. [2023-12-25 10:34:11,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:34:11,579 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-25 10:34:11,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:34:11,581 INFO L225 Difference]: With dead ends: 595 [2023-12-25 10:34:11,581 INFO L226 Difference]: Without dead ends: 486 [2023-12-25 10:34:11,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:34:11,581 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 1249 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1249 SdHoareTripleChecker+Valid, 1299 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:34:11,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1249 Valid, 1299 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-25 10:34:11,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2023-12-25 10:34:11,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 421. [2023-12-25 10:34:11,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2691358024691357) internal successors, (514), 420 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:11,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 514 transitions. [2023-12-25 10:34:11,586 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 514 transitions. Word has length 82 [2023-12-25 10:34:11,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:34:11,586 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 514 transitions. [2023-12-25 10:34:11,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:11,586 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 514 transitions. [2023-12-25 10:34:11,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 10:34:11,586 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:34:11,587 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:34:11,598 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 (27)] Ended with exit code 0 [2023-12-25 10:34:11,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:11,790 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:34:11,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:34:11,791 INFO L85 PathProgramCache]: Analyzing trace with hash -378154710, now seen corresponding path program 1 times [2023-12-25 10:34:11,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:34:11,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [731735946] [2023-12-25 10:34:11,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:34:11,792 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:11,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:34:11,793 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:34:11,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2023-12-25 10:34:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:34:11,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:34:11,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:34:12,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:34:12,398 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:34:12,399 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:34:12,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [731735946] [2023-12-25 10:34:12,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [731735946] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:34:12,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:34:12,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:34:12,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903109252] [2023-12-25 10:34:12,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:34:12,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:34:12,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:34:12,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:34:12,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:34:12,400 INFO L87 Difference]: Start difference. First operand 421 states and 514 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:13,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:34:13,480 INFO L93 Difference]: Finished difference Result 557 states and 710 transitions. [2023-12-25 10:34:13,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:34:13,480 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-25 10:34:13,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:34:13,481 INFO L225 Difference]: With dead ends: 557 [2023-12-25 10:34:13,481 INFO L226 Difference]: Without dead ends: 486 [2023-12-25 10:34:13,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:34:13,482 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 1680 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1680 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:34:13,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1680 Valid, 1261 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-25 10:34:13,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2023-12-25 10:34:13,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 421. [2023-12-25 10:34:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2666666666666666) internal successors, (513), 420 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 513 transitions. [2023-12-25 10:34:13,486 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 513 transitions. Word has length 82 [2023-12-25 10:34:13,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:34:13,486 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 513 transitions. [2023-12-25 10:34:13,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:13,486 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 513 transitions. [2023-12-25 10:34:13,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 10:34:13,487 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:34:13,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:34:13,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2023-12-25 10:34:13,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:13,687 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:34:13,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:34:13,688 INFO L85 PathProgramCache]: Analyzing trace with hash 637597674, now seen corresponding path program 1 times [2023-12-25 10:34:13,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:34:13,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1407960638] [2023-12-25 10:34:13,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:34:13,688 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:13,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:34:13,689 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:34:13,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2023-12-25 10:34:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:34:13,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:34:13,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:34:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:34:14,276 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:34:14,277 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:34:14,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1407960638] [2023-12-25 10:34:14,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1407960638] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:34:14,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:34:14,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:34:14,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512165570] [2023-12-25 10:34:14,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:34:14,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:34:14,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:34:14,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:34:14,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:34:14,278 INFO L87 Difference]: Start difference. First operand 421 states and 513 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:15,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:34:15,316 INFO L93 Difference]: Finished difference Result 570 states and 724 transitions. [2023-12-25 10:34:15,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:34:15,316 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-25 10:34:15,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:34:15,317 INFO L225 Difference]: With dead ends: 570 [2023-12-25 10:34:15,317 INFO L226 Difference]: Without dead ends: 486 [2023-12-25 10:34:15,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:34:15,319 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 1210 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 10:34:15,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 1309 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 10:34:15,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2023-12-25 10:34:15,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 421. [2023-12-25 10:34:15,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2641975308641975) internal successors, (512), 420 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:15,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 512 transitions. [2023-12-25 10:34:15,329 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 512 transitions. Word has length 82 [2023-12-25 10:34:15,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:34:15,329 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 512 transitions. [2023-12-25 10:34:15,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:15,329 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 512 transitions. [2023-12-25 10:34:15,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 10:34:15,330 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:34:15,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:34:15,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2023-12-25 10:34:15,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:15,533 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:34:15,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:34:15,534 INFO L85 PathProgramCache]: Analyzing trace with hash -586374390, now seen corresponding path program 1 times [2023-12-25 10:34:15,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:34:15,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150163409] [2023-12-25 10:34:15,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:34:15,534 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:15,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:34:15,535 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:34:15,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2023-12-25 10:34:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:34:15,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:34:15,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:34:16,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:34:16,110 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:34:16,110 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:34:16,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150163409] [2023-12-25 10:34:16,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150163409] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:34:16,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:34:16,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:34:16,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415198756] [2023-12-25 10:34:16,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:34:16,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:34:16,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:34:16,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:34:16,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:34:16,111 INFO L87 Difference]: Start difference. First operand 421 states and 512 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:17,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:34:17,168 INFO L93 Difference]: Finished difference Result 557 states and 708 transitions. [2023-12-25 10:34:17,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:34:17,168 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-25 10:34:17,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:34:17,169 INFO L225 Difference]: With dead ends: 557 [2023-12-25 10:34:17,169 INFO L226 Difference]: Without dead ends: 486 [2023-12-25 10:34:17,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:34:17,170 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 1238 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1238 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 10:34:17,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1238 Valid, 1261 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 10:34:17,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2023-12-25 10:34:17,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 421. [2023-12-25 10:34:17,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2617283950617284) internal successors, (511), 420 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:17,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 511 transitions. [2023-12-25 10:34:17,174 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 511 transitions. Word has length 82 [2023-12-25 10:34:17,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:34:17,174 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 511 transitions. [2023-12-25 10:34:17,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:17,174 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 511 transitions. [2023-12-25 10:34:17,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-25 10:34:17,174 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:34:17,175 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:34:17,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2023-12-25 10:34:17,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:17,378 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:34:17,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:34:17,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1027878550, now seen corresponding path program 1 times [2023-12-25 10:34:17,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:34:17,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2072195847] [2023-12-25 10:34:17,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:34:17,379 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:17,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:34:17,380 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:34:17,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2023-12-25 10:34:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:34:17,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:34:17,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:34:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:34:17,982 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:34:17,982 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:34:17,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2072195847] [2023-12-25 10:34:17,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2072195847] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:34:17,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:34:17,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:34:17,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023964343] [2023-12-25 10:34:17,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:34:17,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:34:17,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:34:17,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:34:17,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:34:17,985 INFO L87 Difference]: Start difference. First operand 421 states and 511 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:18,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:34:18,930 INFO L93 Difference]: Finished difference Result 492 states and 611 transitions. [2023-12-25 10:34:18,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:34:18,931 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-25 10:34:18,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:34:18,932 INFO L225 Difference]: With dead ends: 492 [2023-12-25 10:34:18,932 INFO L226 Difference]: Without dead ends: 486 [2023-12-25 10:34:18,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:34:18,933 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 1235 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-25 10:34:18,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1235 Valid, 1262 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-25 10:34:18,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2023-12-25 10:34:18,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 421. [2023-12-25 10:34:18,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2592592592592593) internal successors, (510), 420 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:18,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 510 transitions. [2023-12-25 10:34:18,936 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 510 transitions. Word has length 82 [2023-12-25 10:34:18,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:34:18,936 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 510 transitions. [2023-12-25 10:34:18,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:18,937 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 510 transitions. [2023-12-25 10:34:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-25 10:34:18,937 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:34:18,937 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:34:18,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2023-12-25 10:34:19,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:19,140 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:34:19,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:34:19,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1377145907, now seen corresponding path program 1 times [2023-12-25 10:34:19,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:34:19,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613084364] [2023-12-25 10:34:19,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:34:19,141 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:19,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:34:19,142 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:34:19,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2023-12-25 10:34:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:34:19,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 10:34:19,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:34:19,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:34:19,857 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:34:19,857 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:34:19,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613084364] [2023-12-25 10:34:19,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [613084364] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:34:19,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:34:19,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 10:34:19,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970372094] [2023-12-25 10:34:19,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:34:19,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 10:34:19,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:34:19,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 10:34:19,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-25 10:34:19,858 INFO L87 Difference]: Start difference. First operand 421 states and 510 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:20,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:34:20,458 INFO L93 Difference]: Finished difference Result 776 states and 1002 transitions. [2023-12-25 10:34:20,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 10:34:20,459 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-12-25 10:34:20,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:34:20,460 INFO L225 Difference]: With dead ends: 776 [2023-12-25 10:34:20,460 INFO L226 Difference]: Without dead ends: 641 [2023-12-25 10:34:20,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:34:20,461 INFO L413 NwaCegarLoop]: 669 mSDtfsCounter, 1593 mSDsluCounter, 2115 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 2784 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-25 10:34:20,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1593 Valid, 2784 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-25 10:34:20,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2023-12-25 10:34:20,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 351. [2023-12-25 10:34:20,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 339 states have (on average 1.2625368731563422) internal successors, (428), 350 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:20,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 428 transitions. [2023-12-25 10:34:20,464 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 428 transitions. Word has length 83 [2023-12-25 10:34:20,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:34:20,465 INFO L495 AbstractCegarLoop]: Abstraction has 351 states and 428 transitions. [2023-12-25 10:34:20,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:20,465 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 428 transitions. [2023-12-25 10:34:20,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-25 10:34:20,465 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:34:20,465 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:34:20,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2023-12-25 10:34:20,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:20,671 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:34:20,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:34:20,672 INFO L85 PathProgramCache]: Analyzing trace with hash -199769875, now seen corresponding path program 1 times [2023-12-25 10:34:20,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:34:20,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1598584057] [2023-12-25 10:34:20,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:34:20,672 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:20,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:34:20,673 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:34:20,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2023-12-25 10:34:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:34:20,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-25 10:34:20,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:34:23,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:34:23,587 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:34:23,587 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:34:23,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1598584057] [2023-12-25 10:34:23,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1598584057] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:34:23,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:34:23,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-25 10:34:23,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487074549] [2023-12-25 10:34:23,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:34:23,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-25 10:34:23,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:34:23,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-25 10:34:23,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2023-12-25 10:34:23,590 INFO L87 Difference]: Start difference. First operand 351 states and 428 transitions. Second operand has 24 states, 24 states have (on average 3.4583333333333335) internal successors, (83), 24 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:36,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:34:36,610 INFO L93 Difference]: Finished difference Result 1337 states and 1672 transitions. [2023-12-25 10:34:36,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-25 10:34:36,611 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.4583333333333335) internal successors, (83), 24 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-12-25 10:34:36,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:34:36,613 INFO L225 Difference]: With dead ends: 1337 [2023-12-25 10:34:36,613 INFO L226 Difference]: Without dead ends: 1236 [2023-12-25 10:34:36,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=238, Invalid=884, Unknown=0, NotChecked=0, Total=1122 [2023-12-25 10:34:36,614 INFO L413 NwaCegarLoop]: 1125 mSDtfsCounter, 1705 mSDsluCounter, 12007 mSDsCounter, 0 mSdLazyCounter, 6454 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1705 SdHoareTripleChecker+Valid, 13132 SdHoareTripleChecker+Invalid, 6454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2023-12-25 10:34:36,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1705 Valid, 13132 Invalid, 6454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6454 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2023-12-25 10:34:36,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2023-12-25 10:34:36,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 364. [2023-12-25 10:34:36,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 352 states have (on average 1.2585227272727273) internal successors, (443), 363 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:36,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 443 transitions. [2023-12-25 10:34:36,619 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 443 transitions. Word has length 83 [2023-12-25 10:34:36,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:34:36,620 INFO L495 AbstractCegarLoop]: Abstraction has 364 states and 443 transitions. [2023-12-25 10:34:36,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.4583333333333335) internal successors, (83), 24 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:36,620 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 443 transitions. [2023-12-25 10:34:36,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-25 10:34:36,620 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:34:36,620 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:34:36,624 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 (33)] Ended with exit code 0 [2023-12-25 10:34:36,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:36,823 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:34:36,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:34:36,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1097921229, now seen corresponding path program 1 times [2023-12-25 10:34:36,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:34:36,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1077412150] [2023-12-25 10:34:36,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:34:36,824 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:36,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:34:36,825 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:34:36,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2023-12-25 10:34:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:34:37,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-25 10:34:37,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:34:39,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:34:39,361 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:34:39,361 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:34:39,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1077412150] [2023-12-25 10:34:39,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1077412150] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:34:39,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:34:39,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2023-12-25 10:34:39,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105181754] [2023-12-25 10:34:39,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:34:39,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-25 10:34:39,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:34:39,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-25 10:34:39,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2023-12-25 10:34:39,363 INFO L87 Difference]: Start difference. First operand 364 states and 443 transitions. Second operand has 23 states, 23 states have (on average 3.608695652173913) internal successors, (83), 23 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:42,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:34:42,650 INFO L93 Difference]: Finished difference Result 1050 states and 1348 transitions. [2023-12-25 10:34:42,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-25 10:34:42,650 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.608695652173913) internal successors, (83), 23 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-12-25 10:34:42,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:34:42,652 INFO L225 Difference]: With dead ends: 1050 [2023-12-25 10:34:42,652 INFO L226 Difference]: Without dead ends: 853 [2023-12-25 10:34:42,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=274, Invalid=538, Unknown=0, NotChecked=0, Total=812 [2023-12-25 10:34:42,653 INFO L413 NwaCegarLoop]: 647 mSDtfsCounter, 1267 mSDsluCounter, 5083 mSDsCounter, 0 mSdLazyCounter, 2342 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1267 SdHoareTripleChecker+Valid, 5730 SdHoareTripleChecker+Invalid, 2342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-25 10:34:42,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1267 Valid, 5730 Invalid, 2342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2342 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-25 10:34:42,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2023-12-25 10:34:42,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 232. [2023-12-25 10:34:42,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 225 states have (on average 1.248888888888889) internal successors, (281), 231 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:42,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 281 transitions. [2023-12-25 10:34:42,656 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 281 transitions. Word has length 83 [2023-12-25 10:34:42,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:34:42,657 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 281 transitions. [2023-12-25 10:34:42,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.608695652173913) internal successors, (83), 23 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 281 transitions. [2023-12-25 10:34:42,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-25 10:34:42,657 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:34:42,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:34:42,678 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 (34)] Ended with exit code 0 [2023-12-25 10:34:42,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:42,858 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:34:42,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:34:42,858 INFO L85 PathProgramCache]: Analyzing trace with hash -142238409, now seen corresponding path program 1 times [2023-12-25 10:34:42,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:34:42,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [793661431] [2023-12-25 10:34:42,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:34:42,858 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:42,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:34:42,859 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:34:42,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2023-12-25 10:34:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:34:43,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-25 10:34:43,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:34:44,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:34:44,167 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:34:44,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:34:44,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [793661431] [2023-12-25 10:34:44,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [793661431] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:34:44,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:34:44,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-25 10:34:44,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472327904] [2023-12-25 10:34:44,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:34:44,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-25 10:34:44,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:34:44,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-25 10:34:44,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-12-25 10:34:44,169 INFO L87 Difference]: Start difference. First operand 232 states and 281 transitions. Second operand has 14 states, 14 states have (on average 6.0) internal successors, (84), 14 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:45,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:34:45,181 INFO L93 Difference]: Finished difference Result 524 states and 679 transitions. [2023-12-25 10:34:45,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-25 10:34:45,181 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.0) internal successors, (84), 14 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2023-12-25 10:34:45,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:34:45,182 INFO L225 Difference]: With dead ends: 524 [2023-12-25 10:34:45,182 INFO L226 Difference]: Without dead ends: 423 [2023-12-25 10:34:45,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2023-12-25 10:34:45,183 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 1113 mSDsluCounter, 2704 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 3161 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-25 10:34:45,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1113 Valid, 3161 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-25 10:34:45,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2023-12-25 10:34:45,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 183. [2023-12-25 10:34:45,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 179 states have (on average 1.2458100558659218) internal successors, (223), 182 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:45,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 223 transitions. [2023-12-25 10:34:45,186 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 223 transitions. Word has length 84 [2023-12-25 10:34:45,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:34:45,186 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 223 transitions. [2023-12-25 10:34:45,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.0) internal successors, (84), 14 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:34:45,186 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 223 transitions. [2023-12-25 10:34:45,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-25 10:34:45,186 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:34:45,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:34:45,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2023-12-25 10:34:45,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:45,390 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:34:45,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:34:45,390 INFO L85 PathProgramCache]: Analyzing trace with hash 2131684943, now seen corresponding path program 1 times [2023-12-25 10:34:45,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:34:45,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1570190091] [2023-12-25 10:34:45,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:34:45,391 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:34:45,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:34:45,392 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:34:45,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2023-12-25 10:34:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:34:45,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-25 10:34:45,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:34:49,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:34:49,800 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:34:49,800 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:34:49,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1570190091] [2023-12-25 10:34:49,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1570190091] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:34:49,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:34:49,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2023-12-25 10:34:49,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600454432] [2023-12-25 10:34:49,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:34:49,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-25 10:34:49,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:34:49,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-25 10:34:49,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2023-12-25 10:34:49,802 INFO L87 Difference]: Start difference. First operand 183 states and 223 transitions. Second operand has 27 states, 27 states have (on average 3.111111111111111) internal successors, (84), 27 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:35:04,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:35:04,838 INFO L93 Difference]: Finished difference Result 806 states and 1057 transitions. [2023-12-25 10:35:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-25 10:35:04,838 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.111111111111111) internal successors, (84), 27 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2023-12-25 10:35:04,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:35:04,840 INFO L225 Difference]: With dead ends: 806 [2023-12-25 10:35:04,840 INFO L226 Difference]: Without dead ends: 724 [2023-12-25 10:35:04,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=272, Invalid=1210, Unknown=0, NotChecked=0, Total=1482 [2023-12-25 10:35:04,841 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 1560 mSDsluCounter, 6961 mSDsCounter, 0 mSdLazyCounter, 3604 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1560 SdHoareTripleChecker+Valid, 7525 SdHoareTripleChecker+Invalid, 3604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2023-12-25 10:35:04,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1560 Valid, 7525 Invalid, 3604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3604 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2023-12-25 10:35:04,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2023-12-25 10:35:04,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 202. [2023-12-25 10:35:04,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 198 states have (on average 1.2424242424242424) internal successors, (246), 201 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:35:04,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 246 transitions. [2023-12-25 10:35:04,844 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 246 transitions. Word has length 84 [2023-12-25 10:35:04,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:35:04,844 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 246 transitions. [2023-12-25 10:35:04,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.111111111111111) internal successors, (84), 27 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:35:04,844 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 246 transitions. [2023-12-25 10:35:04,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-25 10:35:04,844 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:35:04,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:35:04,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2023-12-25 10:35:05,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:35:05,045 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:35:05,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:35:05,045 INFO L85 PathProgramCache]: Analyzing trace with hash -379806907, now seen corresponding path program 1 times [2023-12-25 10:35:05,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:35:05,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1438871382] [2023-12-25 10:35:05,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:35:05,046 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:35:05,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:35:05,047 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:35:05,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2023-12-25 10:35:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:35:05,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-25 10:35:05,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:35:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:35:06,323 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:35:06,323 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:35:06,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1438871382] [2023-12-25 10:35:06,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1438871382] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:35:06,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:35:06,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-25 10:35:06,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794261491] [2023-12-25 10:35:06,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:35:06,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-25 10:35:06,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:35:06,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-25 10:35:06,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-12-25 10:35:06,324 INFO L87 Difference]: Start difference. First operand 202 states and 246 transitions. Second operand has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:35:07,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:35:07,329 INFO L93 Difference]: Finished difference Result 446 states and 587 transitions. [2023-12-25 10:35:07,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-25 10:35:07,329 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-12-25 10:35:07,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:35:07,330 INFO L225 Difference]: With dead ends: 446 [2023-12-25 10:35:07,330 INFO L226 Difference]: Without dead ends: 364 [2023-12-25 10:35:07,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2023-12-25 10:35:07,331 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 1031 mSDsluCounter, 1497 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1031 SdHoareTripleChecker+Valid, 1769 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 10:35:07,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1031 Valid, 1769 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 10:35:07,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2023-12-25 10:35:07,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 166. [2023-12-25 10:35:07,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 164 states have (on average 1.2378048780487805) internal successors, (203), 165 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:35:07,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 203 transitions. [2023-12-25 10:35:07,333 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 203 transitions. Word has length 85 [2023-12-25 10:35:07,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:35:07,333 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 203 transitions. [2023-12-25 10:35:07,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 14 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:35:07,334 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 203 transitions. [2023-12-25 10:35:07,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-25 10:35:07,334 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:35:07,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:35:07,340 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 (37)] Forceful destruction successful, exit code 0 [2023-12-25 10:35:07,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:35:07,538 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:35:07,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:35:07,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1517009585, now seen corresponding path program 1 times [2023-12-25 10:35:07,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:35:07,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1848917879] [2023-12-25 10:35:07,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:35:07,539 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:35:07,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:35:07,540 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:35:07,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2023-12-25 10:35:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:35:07,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:35:07,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:35:08,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:35:08,165 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:35:08,165 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:35:08,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1848917879] [2023-12-25 10:35:08,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1848917879] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:35:08,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:35:08,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:35:08,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738394485] [2023-12-25 10:35:08,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:35:08,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:35:08,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:35:08,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:35:08,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:35:08,167 INFO L87 Difference]: Start difference. First operand 166 states and 203 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:35:08,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:35:08,594 INFO L93 Difference]: Finished difference Result 251 states and 320 transitions. [2023-12-25 10:35:08,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:35:08,594 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2023-12-25 10:35:08,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:35:08,595 INFO L225 Difference]: With dead ends: 251 [2023-12-25 10:35:08,595 INFO L226 Difference]: Without dead ends: 166 [2023-12-25 10:35:08,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:35:08,595 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 538 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 10:35:08,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 355 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 10:35:08,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-12-25 10:35:08,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2023-12-25 10:35:08,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 164 states have (on average 1.2317073170731707) internal successors, (202), 165 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:35:08,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 202 transitions. [2023-12-25 10:35:08,597 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 202 transitions. Word has length 86 [2023-12-25 10:35:08,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:35:08,597 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 202 transitions. [2023-12-25 10:35:08,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:35:08,598 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 202 transitions. [2023-12-25 10:35:08,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-25 10:35:08,598 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:35:08,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:35:08,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2023-12-25 10:35:08,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:35:08,802 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:35:08,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:35:08,802 INFO L85 PathProgramCache]: Analyzing trace with hash 615115764, now seen corresponding path program 1 times [2023-12-25 10:35:08,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:35:08,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931268804] [2023-12-25 10:35:08,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:35:08,803 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:35:08,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:35:08,804 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:35:08,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2023-12-25 10:35:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:35:09,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-25 10:35:09,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:35:24,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:35:24,068 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:35:24,068 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:35:24,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931268804] [2023-12-25 10:35:24,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931268804] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:35:24,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:35:24,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2023-12-25 10:35:24,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419365526] [2023-12-25 10:35:24,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:35:24,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-12-25 10:35:24,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:35:24,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-12-25 10:35:24,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=760, Unknown=0, NotChecked=0, Total=930 [2023-12-25 10:35:24,070 INFO L87 Difference]: Start difference. First operand 166 states and 202 transitions. Second operand has 31 states, 31 states have (on average 2.838709677419355) internal successors, (88), 31 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:53,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:36:53,810 INFO L93 Difference]: Finished difference Result 806 states and 1070 transitions. [2023-12-25 10:36:53,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-25 10:36:53,810 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.838709677419355) internal successors, (88), 31 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2023-12-25 10:36:53,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:36:53,812 INFO L225 Difference]: With dead ends: 806 [2023-12-25 10:36:53,812 INFO L226 Difference]: Without dead ends: 727 [2023-12-25 10:36:53,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=329, Invalid=1651, Unknown=0, NotChecked=0, Total=1980 [2023-12-25 10:36:53,813 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 1478 mSDsluCounter, 7931 mSDsCounter, 0 mSdLazyCounter, 4078 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1478 SdHoareTripleChecker+Valid, 8504 SdHoareTripleChecker+Invalid, 4079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.3s IncrementalHoareTripleChecker+Time [2023-12-25 10:36:53,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1478 Valid, 8504 Invalid, 4079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4078 Invalid, 0 Unknown, 0 Unchecked, 82.3s Time] [2023-12-25 10:36:53,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2023-12-25 10:36:53,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 191. [2023-12-25 10:36:53,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 189 states have (on average 1.2222222222222223) internal successors, (231), 190 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:53,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 231 transitions. [2023-12-25 10:36:53,815 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 231 transitions. Word has length 88 [2023-12-25 10:36:53,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:36:53,816 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 231 transitions. [2023-12-25 10:36:53,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.838709677419355) internal successors, (88), 31 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:53,816 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 231 transitions. [2023-12-25 10:36:53,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-25 10:36:53,816 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:36:53,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:36:53,819 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 (39)] Forceful destruction successful, exit code 0 [2023-12-25 10:36:54,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:36:54,019 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:36:54,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:36:54,022 INFO L85 PathProgramCache]: Analyzing trace with hash 634138090, now seen corresponding path program 1 times [2023-12-25 10:36:54,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:36:54,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502176011] [2023-12-25 10:36:54,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:36:54,022 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:36:54,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:36:54,023 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:36:54,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2023-12-25 10:36:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:36:54,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 10:36:54,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:36:54,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:36:54,704 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:36:54,704 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:36:54,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502176011] [2023-12-25 10:36:54,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1502176011] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:36:54,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:36:54,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-25 10:36:54,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269239201] [2023-12-25 10:36:54,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:36:54,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-25 10:36:54,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:36:54,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-25 10:36:54,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-25 10:36:54,706 INFO L87 Difference]: Start difference. First operand 191 states and 231 transitions. Second operand has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 9 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:55,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:36:55,091 INFO L93 Difference]: Finished difference Result 271 states and 344 transitions. [2023-12-25 10:36:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-25 10:36:55,092 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 9 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2023-12-25 10:36:55,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:36:55,092 INFO L225 Difference]: With dead ends: 271 [2023-12-25 10:36:55,092 INFO L226 Difference]: Without dead ends: 265 [2023-12-25 10:36:55,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:36:55,093 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 701 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 10:36:55,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 1037 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 10:36:55,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2023-12-25 10:36:55,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 184. [2023-12-25 10:36:55,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 1.2240437158469946) internal successors, (224), 183 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:55,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 224 transitions. [2023-12-25 10:36:55,095 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 224 transitions. Word has length 89 [2023-12-25 10:36:55,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:36:55,095 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 224 transitions. [2023-12-25 10:36:55,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 9 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:55,095 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 224 transitions. [2023-12-25 10:36:55,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-25 10:36:55,096 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:36:55,096 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:36:55,118 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 (40)] Forceful destruction successful, exit code 0 [2023-12-25 10:36:55,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:36:55,300 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:36:55,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:36:55,300 INFO L85 PathProgramCache]: Analyzing trace with hash -165402774, now seen corresponding path program 1 times [2023-12-25 10:36:55,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:36:55,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579918877] [2023-12-25 10:36:55,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:36:55,301 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:36:55,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:36:55,302 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:36:55,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2023-12-25 10:36:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:36:55,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:36:55,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:36:55,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:36:55,973 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:36:55,973 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:36:55,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579918877] [2023-12-25 10:36:55,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [579918877] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:36:55,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:36:55,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:36:55,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520557791] [2023-12-25 10:36:55,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:36:55,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:36:55,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:36:55,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:36:55,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:36:55,974 INFO L87 Difference]: Start difference. First operand 184 states and 224 transitions. Second operand has 8 states, 8 states have (on average 14.625) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:56,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:36:56,392 INFO L93 Difference]: Finished difference Result 256 states and 326 transitions. [2023-12-25 10:36:56,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 10:36:56,393 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2023-12-25 10:36:56,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:36:56,393 INFO L225 Difference]: With dead ends: 256 [2023-12-25 10:36:56,394 INFO L226 Difference]: Without dead ends: 184 [2023-12-25 10:36:56,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-12-25 10:36:56,394 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 504 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-25 10:36:56,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 349 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-25 10:36:56,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-12-25 10:36:56,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2023-12-25 10:36:56,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 1.2131147540983607) internal successors, (222), 183 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:56,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 222 transitions. [2023-12-25 10:36:56,396 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 222 transitions. Word has length 117 [2023-12-25 10:36:56,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:36:56,396 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 222 transitions. [2023-12-25 10:36:56,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:56,396 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 222 transitions. [2023-12-25 10:36:56,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-25 10:36:56,397 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:36:56,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:36:56,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2023-12-25 10:36:56,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:36:56,601 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:36:56,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:36:56,601 INFO L85 PathProgramCache]: Analyzing trace with hash -539884593, now seen corresponding path program 1 times [2023-12-25 10:36:56,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:36:56,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [48623775] [2023-12-25 10:36:56,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:36:56,602 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:36:56,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:36:56,603 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:36:56,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2023-12-25 10:36:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:36:56,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 10:36:56,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:36:56,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:36:56,854 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:36:56,854 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:36:56,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [48623775] [2023-12-25 10:36:56,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [48623775] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:36:56,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:36:56,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 10:36:56,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496137576] [2023-12-25 10:36:56,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:36:56,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 10:36:56,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:36:56,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 10:36:56,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:36:56,856 INFO L87 Difference]: Start difference. First operand 184 states and 222 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:56,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:36:56,876 INFO L93 Difference]: Finished difference Result 306 states and 400 transitions. [2023-12-25 10:36:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 10:36:56,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2023-12-25 10:36:56,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:36:56,877 INFO L225 Difference]: With dead ends: 306 [2023-12-25 10:36:56,877 INFO L226 Difference]: Without dead ends: 241 [2023-12-25 10:36:56,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:36:56,878 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 121 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:36:56,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 384 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 10:36:56,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-12-25 10:36:56,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 239. [2023-12-25 10:36:56,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 238 states have (on average 1.273109243697479) internal successors, (303), 238 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:56,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 303 transitions. [2023-12-25 10:36:56,880 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 303 transitions. Word has length 120 [2023-12-25 10:36:56,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:36:56,880 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 303 transitions. [2023-12-25 10:36:56,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 303 transitions. [2023-12-25 10:36:56,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-25 10:36:56,881 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:36:56,881 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:36:56,884 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 (42)] Ended with exit code 0 [2023-12-25 10:36:57,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:36:57,081 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:36:57,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:36:57,082 INFO L85 PathProgramCache]: Analyzing trace with hash -686074122, now seen corresponding path program 1 times [2023-12-25 10:36:57,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:36:57,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115991036] [2023-12-25 10:36:57,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:36:57,082 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:36:57,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:36:57,101 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:36:57,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2023-12-25 10:36:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:36:57,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 10:36:57,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:36:57,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:36:57,355 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:36:57,355 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:36:57,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115991036] [2023-12-25 10:36:57,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115991036] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:36:57,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:36:57,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 10:36:57,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748516741] [2023-12-25 10:36:57,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:36:57,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 10:36:57,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:36:57,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 10:36:57,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:36:57,356 INFO L87 Difference]: Start difference. First operand 239 states and 303 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:57,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:36:57,375 INFO L93 Difference]: Finished difference Result 463 states and 631 transitions. [2023-12-25 10:36:57,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 10:36:57,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2023-12-25 10:36:57,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:36:57,376 INFO L225 Difference]: With dead ends: 463 [2023-12-25 10:36:57,376 INFO L226 Difference]: Without dead ends: 343 [2023-12-25 10:36:57,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:36:57,378 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 114 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:36:57,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 386 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 10:36:57,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2023-12-25 10:36:57,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 341. [2023-12-25 10:36:57,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.3294117647058823) internal successors, (452), 340 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:57,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 452 transitions. [2023-12-25 10:36:57,391 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 452 transitions. Word has length 121 [2023-12-25 10:36:57,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:36:57,391 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 452 transitions. [2023-12-25 10:36:57,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:57,391 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 452 transitions. [2023-12-25 10:36:57,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-25 10:36:57,392 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:36:57,392 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:36:57,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2023-12-25 10:36:57,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:36:57,596 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:36:57,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:36:57,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1597385765, now seen corresponding path program 1 times [2023-12-25 10:36:57,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:36:57,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [236549668] [2023-12-25 10:36:57,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:36:57,597 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:36:57,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:36:57,598 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:36:57,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2023-12-25 10:36:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:36:57,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 10:36:57,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:36:57,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:36:57,853 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:36:57,854 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:36:57,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [236549668] [2023-12-25 10:36:57,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [236549668] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:36:57,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:36:57,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 10:36:57,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795805247] [2023-12-25 10:36:57,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:36:57,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 10:36:57,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:36:57,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 10:36:57,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:36:57,857 INFO L87 Difference]: Start difference. First operand 341 states and 452 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:57,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:36:57,876 INFO L93 Difference]: Finished difference Result 753 states and 1054 transitions. [2023-12-25 10:36:57,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 10:36:57,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2023-12-25 10:36:57,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:36:57,878 INFO L225 Difference]: With dead ends: 753 [2023-12-25 10:36:57,878 INFO L226 Difference]: Without dead ends: 531 [2023-12-25 10:36:57,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:36:57,884 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 106 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:36:57,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 388 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 10:36:57,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2023-12-25 10:36:57,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 529. [2023-12-25 10:36:57,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 528 states have (on average 1.371212121212121) internal successors, (724), 528 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:57,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 724 transitions. [2023-12-25 10:36:57,893 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 724 transitions. Word has length 122 [2023-12-25 10:36:57,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:36:57,894 INFO L495 AbstractCegarLoop]: Abstraction has 529 states and 724 transitions. [2023-12-25 10:36:57,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:57,894 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 724 transitions. [2023-12-25 10:36:57,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-25 10:36:57,894 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:36:57,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:36:57,900 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 (44)] Forceful destruction successful, exit code 0 [2023-12-25 10:36:58,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:36:58,100 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:36:58,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:36:58,101 INFO L85 PathProgramCache]: Analyzing trace with hash -165931838, now seen corresponding path program 1 times [2023-12-25 10:36:58,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:36:58,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384609141] [2023-12-25 10:36:58,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:36:58,101 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:36:58,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:36:58,102 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:36:58,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2023-12-25 10:36:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:36:58,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 10:36:58,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:36:58,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:36:58,358 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:36:58,359 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:36:58,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384609141] [2023-12-25 10:36:58,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384609141] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:36:58,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:36:58,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 10:36:58,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164351922] [2023-12-25 10:36:58,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:36:58,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 10:36:58,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:36:58,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 10:36:58,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:36:58,360 INFO L87 Difference]: Start difference. First operand 529 states and 724 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:58,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:36:58,380 INFO L93 Difference]: Finished difference Result 1285 states and 1822 transitions. [2023-12-25 10:36:58,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 10:36:58,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2023-12-25 10:36:58,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:36:58,382 INFO L225 Difference]: With dead ends: 1285 [2023-12-25 10:36:58,382 INFO L226 Difference]: Without dead ends: 875 [2023-12-25 10:36:58,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:36:58,389 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 98 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:36:58,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 390 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 10:36:58,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2023-12-25 10:36:58,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 873. [2023-12-25 10:36:58,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 872 states have (on average 1.3944954128440368) internal successors, (1216), 872 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:58,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1216 transitions. [2023-12-25 10:36:58,404 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1216 transitions. Word has length 123 [2023-12-25 10:36:58,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:36:58,404 INFO L495 AbstractCegarLoop]: Abstraction has 873 states and 1216 transitions. [2023-12-25 10:36:58,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:58,404 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1216 transitions. [2023-12-25 10:36:58,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-25 10:36:58,405 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:36:58,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:36:58,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2023-12-25 10:36:58,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:36:58,609 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:36:58,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:36:58,609 INFO L85 PathProgramCache]: Analyzing trace with hash -443430937, now seen corresponding path program 1 times [2023-12-25 10:36:58,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:36:58,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989076603] [2023-12-25 10:36:58,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:36:58,610 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:36:58,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:36:58,611 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:36:58,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2023-12-25 10:36:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:36:58,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 10:36:58,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:36:58,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:36:58,870 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:36:58,870 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:36:58,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989076603] [2023-12-25 10:36:58,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [989076603] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:36:58,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:36:58,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 10:36:58,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953956145] [2023-12-25 10:36:58,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:36:58,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 10:36:58,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:36:58,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 10:36:58,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:36:58,871 INFO L87 Difference]: Start difference. First operand 873 states and 1216 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:58,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:36:58,897 INFO L93 Difference]: Finished difference Result 2253 states and 3202 transitions. [2023-12-25 10:36:58,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 10:36:58,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2023-12-25 10:36:58,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:36:58,900 INFO L225 Difference]: With dead ends: 2253 [2023-12-25 10:36:58,900 INFO L226 Difference]: Without dead ends: 1499 [2023-12-25 10:36:58,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:36:58,901 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 90 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:36:58,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 392 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 10:36:58,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2023-12-25 10:36:58,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1497. [2023-12-25 10:36:58,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1497 states, 1496 states have (on average 1.4010695187165776) internal successors, (2096), 1496 states have internal predecessors, (2096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:58,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 2096 transitions. [2023-12-25 10:36:58,913 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 2096 transitions. Word has length 124 [2023-12-25 10:36:58,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:36:58,914 INFO L495 AbstractCegarLoop]: Abstraction has 1497 states and 2096 transitions. [2023-12-25 10:36:58,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:36:58,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2096 transitions. [2023-12-25 10:36:58,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-25 10:36:58,914 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:36:58,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:36:58,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Forceful destruction successful, exit code 0 [2023-12-25 10:36:59,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:36:59,119 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:36:59,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:36:59,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1309410958, now seen corresponding path program 1 times [2023-12-25 10:36:59,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:36:59,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128619135] [2023-12-25 10:36:59,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:36:59,120 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:36:59,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:36:59,121 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:36:59,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2023-12-25 10:36:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:36:59,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 10:36:59,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:00,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:00,303 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:37:00,303 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:00,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128619135] [2023-12-25 10:37:00,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128619135] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:37:00,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:37:00,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:37:00,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82777412] [2023-12-25 10:37:00,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:37:00,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 10:37:00,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:00,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 10:37:00,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-25 10:37:00,304 INFO L87 Difference]: Start difference. First operand 1497 states and 2096 transitions. Second operand has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:00,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:37:00,432 INFO L93 Difference]: Finished difference Result 9765 states and 13910 transitions. [2023-12-25 10:37:00,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 10:37:00,433 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2023-12-25 10:37:00,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:37:00,450 INFO L225 Difference]: With dead ends: 9765 [2023-12-25 10:37:00,450 INFO L226 Difference]: Without dead ends: 8387 [2023-12-25 10:37:00,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-25 10:37:00,456 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 804 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 10:37:00,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 645 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 10:37:00,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8387 states. [2023-12-25 10:37:00,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8387 to 4249. [2023-12-25 10:37:00,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4249 states, 4248 states have (on average 1.3973634651600753) internal successors, (5936), 4248 states have internal predecessors, (5936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:00,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4249 states to 4249 states and 5936 transitions. [2023-12-25 10:37:00,538 INFO L78 Accepts]: Start accepts. Automaton has 4249 states and 5936 transitions. Word has length 125 [2023-12-25 10:37:00,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:37:00,538 INFO L495 AbstractCegarLoop]: Abstraction has 4249 states and 5936 transitions. [2023-12-25 10:37:00,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 4249 states and 5936 transitions. [2023-12-25 10:37:00,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-25 10:37:00,538 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:37:00,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:37:00,542 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 (47)] Forceful destruction successful, exit code 0 [2023-12-25 10:37:00,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:00,742 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:37:00,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:37:00,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1708257438, now seen corresponding path program 1 times [2023-12-25 10:37:00,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:37:00,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2110587723] [2023-12-25 10:37:00,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:37:00,743 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:00,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:37:00,744 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:37:00,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2023-12-25 10:37:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:37:01,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-25 10:37:01,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:01,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:01,141 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:37:01,141 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:01,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2110587723] [2023-12-25 10:37:01,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2110587723] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:37:01,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:37:01,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 10:37:01,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595996627] [2023-12-25 10:37:01,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:37:01,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 10:37:01,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:01,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 10:37:01,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 10:37:01,142 INFO L87 Difference]: Start difference. First operand 4249 states and 5936 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:01,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:37:01,194 INFO L93 Difference]: Finished difference Result 10384 states and 14517 transitions. [2023-12-25 10:37:01,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 10:37:01,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2023-12-25 10:37:01,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:37:01,223 INFO L225 Difference]: With dead ends: 10384 [2023-12-25 10:37:01,223 INFO L226 Difference]: Without dead ends: 6254 [2023-12-25 10:37:01,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 10:37:01,233 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 62 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:37:01,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 527 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 10:37:01,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6254 states. [2023-12-25 10:37:01,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6254 to 6252. [2023-12-25 10:37:01,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6252 states, 6251 states have (on average 1.380099184130539) internal successors, (8627), 6251 states have internal predecessors, (8627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:01,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6252 states to 6252 states and 8627 transitions. [2023-12-25 10:37:01,285 INFO L78 Accepts]: Start accepts. Automaton has 6252 states and 8627 transitions. Word has length 127 [2023-12-25 10:37:01,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:37:01,286 INFO L495 AbstractCegarLoop]: Abstraction has 6252 states and 8627 transitions. [2023-12-25 10:37:01,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:01,286 INFO L276 IsEmpty]: Start isEmpty. Operand 6252 states and 8627 transitions. [2023-12-25 10:37:01,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-25 10:37:01,286 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:37:01,286 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:37:01,302 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 (48)] Forceful destruction successful, exit code 0 [2023-12-25 10:37:01,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:01,491 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:37:01,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:37:01,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1266066164, now seen corresponding path program 1 times [2023-12-25 10:37:01,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:37:01,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178085100] [2023-12-25 10:37:01,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:37:01,492 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:01,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:37:01,493 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:37:01,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2023-12-25 10:37:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:37:01,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 10:37:01,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:01,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:01,791 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:37:01,791 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:01,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178085100] [2023-12-25 10:37:01,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [178085100] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:37:01,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:37:01,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 10:37:01,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515316561] [2023-12-25 10:37:01,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:37:01,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 10:37:01,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:01,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 10:37:01,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 10:37:01,792 INFO L87 Difference]: Start difference. First operand 6252 states and 8627 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:01,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:37:01,892 INFO L93 Difference]: Finished difference Result 11658 states and 15973 transitions. [2023-12-25 10:37:01,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 10:37:01,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2023-12-25 10:37:01,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:37:01,910 INFO L225 Difference]: With dead ends: 11658 [2023-12-25 10:37:01,910 INFO L226 Difference]: Without dead ends: 11656 [2023-12-25 10:37:01,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:37:01,914 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 313 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:37:01,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 760 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 10:37:01,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11656 states. [2023-12-25 10:37:01,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11656 to 6588. [2023-12-25 10:37:01,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6588 states, 6587 states have (on average 1.35828146348869) internal successors, (8947), 6587 states have internal predecessors, (8947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:02,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6588 states to 6588 states and 8947 transitions. [2023-12-25 10:37:02,083 INFO L78 Accepts]: Start accepts. Automaton has 6588 states and 8947 transitions. Word has length 128 [2023-12-25 10:37:02,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:37:02,083 INFO L495 AbstractCegarLoop]: Abstraction has 6588 states and 8947 transitions. [2023-12-25 10:37:02,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:02,083 INFO L276 IsEmpty]: Start isEmpty. Operand 6588 states and 8947 transitions. [2023-12-25 10:37:02,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-25 10:37:02,086 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:37:02,086 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:37:02,090 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 (49)] Forceful destruction successful, exit code 0 [2023-12-25 10:37:02,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:02,287 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:37:02,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:37:02,287 INFO L85 PathProgramCache]: Analyzing trace with hash -269826870, now seen corresponding path program 1 times [2023-12-25 10:37:02,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:37:02,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651121209] [2023-12-25 10:37:02,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:37:02,288 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:02,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:37:02,289 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:37:02,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2023-12-25 10:37:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:37:02,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-25 10:37:02,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:03,495 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:03,496 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 10:37:03,886 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:03,887 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:03,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651121209] [2023-12-25 10:37:03,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651121209] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 10:37:03,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 10:37:03,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2023-12-25 10:37:03,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474395111] [2023-12-25 10:37:03,887 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 10:37:03,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-25 10:37:03,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:03,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-25 10:37:03,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2023-12-25 10:37:03,888 INFO L87 Difference]: Start difference. First operand 6588 states and 8947 transitions. Second operand has 24 states, 24 states have (on average 12.125) internal successors, (291), 23 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:09,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:37:09,951 INFO L93 Difference]: Finished difference Result 36481 states and 48850 transitions. [2023-12-25 10:37:09,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-12-25 10:37:09,951 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 12.125) internal successors, (291), 23 states have internal predecessors, (291), 0 states have call successors, (0), 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 159 [2023-12-25 10:37:09,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:37:10,024 INFO L225 Difference]: With dead ends: 36481 [2023-12-25 10:37:10,024 INFO L226 Difference]: Without dead ends: 32063 [2023-12-25 10:37:10,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3003 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1992, Invalid=8310, Unknown=0, NotChecked=0, Total=10302 [2023-12-25 10:37:10,039 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 4603 mSDsluCounter, 2040 mSDsCounter, 0 mSdLazyCounter, 1946 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4603 SdHoareTripleChecker+Valid, 2221 SdHoareTripleChecker+Invalid, 1975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-25 10:37:10,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4603 Valid, 2221 Invalid, 1975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1946 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-25 10:37:10,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32063 states. [2023-12-25 10:37:10,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32063 to 6588. [2023-12-25 10:37:10,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6588 states, 6587 states have (on average 1.3546379231820251) internal successors, (8923), 6587 states have internal predecessors, (8923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:10,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6588 states to 6588 states and 8923 transitions. [2023-12-25 10:37:10,180 INFO L78 Accepts]: Start accepts. Automaton has 6588 states and 8923 transitions. Word has length 159 [2023-12-25 10:37:10,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:37:10,180 INFO L495 AbstractCegarLoop]: Abstraction has 6588 states and 8923 transitions. [2023-12-25 10:37:10,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 12.125) internal successors, (291), 23 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:10,181 INFO L276 IsEmpty]: Start isEmpty. Operand 6588 states and 8923 transitions. [2023-12-25 10:37:10,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-25 10:37:10,182 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:37:10,182 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:37:10,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Forceful destruction successful, exit code 0 [2023-12-25 10:37:10,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:10,388 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:37:10,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:37:10,388 INFO L85 PathProgramCache]: Analyzing trace with hash 926367946, now seen corresponding path program 1 times [2023-12-25 10:37:10,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:37:10,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087169206] [2023-12-25 10:37:10,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:37:10,389 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:10,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:37:10,390 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:37:10,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2023-12-25 10:37:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:37:10,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 10:37:10,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:11,529 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:11,529 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 10:37:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:11,862 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:11,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087169206] [2023-12-25 10:37:11,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087169206] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 10:37:11,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 10:37:11,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2023-12-25 10:37:11,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338299017] [2023-12-25 10:37:11,863 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 10:37:11,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-25 10:37:11,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:11,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-25 10:37:11,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2023-12-25 10:37:11,864 INFO L87 Difference]: Start difference. First operand 6588 states and 8923 transitions. Second operand has 22 states, 22 states have (on average 13.5) internal successors, (297), 21 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:19,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:37:19,955 INFO L93 Difference]: Finished difference Result 44457 states and 59907 transitions. [2023-12-25 10:37:19,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-12-25 10:37:19,956 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 13.5) internal successors, (297), 21 states have internal predecessors, (297), 0 states have call successors, (0), 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 159 [2023-12-25 10:37:19,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:37:19,987 INFO L225 Difference]: With dead ends: 44457 [2023-12-25 10:37:19,987 INFO L226 Difference]: Without dead ends: 37991 [2023-12-25 10:37:19,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3665 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=2905, Invalid=9527, Unknown=0, NotChecked=0, Total=12432 [2023-12-25 10:37:19,997 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 7028 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7028 SdHoareTripleChecker+Valid, 2332 SdHoareTripleChecker+Invalid, 2025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:37:19,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7028 Valid, 2332 Invalid, 2025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1985 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-25 10:37:20,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37991 states. [2023-12-25 10:37:20,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37991 to 6756. [2023-12-25 10:37:20,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6756 states, 6755 states have (on average 1.345817912657291) internal successors, (9091), 6755 states have internal predecessors, (9091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:20,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6756 states to 6756 states and 9091 transitions. [2023-12-25 10:37:20,169 INFO L78 Accepts]: Start accepts. Automaton has 6756 states and 9091 transitions. Word has length 159 [2023-12-25 10:37:20,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:37:20,169 INFO L495 AbstractCegarLoop]: Abstraction has 6756 states and 9091 transitions. [2023-12-25 10:37:20,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 13.5) internal successors, (297), 21 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:20,169 INFO L276 IsEmpty]: Start isEmpty. Operand 6756 states and 9091 transitions. [2023-12-25 10:37:20,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-25 10:37:20,171 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:37:20,171 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:37:20,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Forceful destruction successful, exit code 0 [2023-12-25 10:37:20,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:20,376 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:37:20,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:37:20,376 INFO L85 PathProgramCache]: Analyzing trace with hash 179482445, now seen corresponding path program 1 times [2023-12-25 10:37:20,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:37:20,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190182550] [2023-12-25 10:37:20,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:37:20,377 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:20,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:37:20,378 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:37:20,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Waiting until timeout for monitored process [2023-12-25 10:37:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:37:20,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 10:37:20,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:20,679 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:20,680 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:37:20,680 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:20,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190182550] [2023-12-25 10:37:20,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190182550] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:37:20,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:37:20,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 10:37:20,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206594405] [2023-12-25 10:37:20,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:37:20,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 10:37:20,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:20,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 10:37:20,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:37:20,681 INFO L87 Difference]: Start difference. First operand 6756 states and 9091 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:20,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:37:20,715 INFO L93 Difference]: Finished difference Result 11218 states and 15189 transitions. [2023-12-25 10:37:20,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 10:37:20,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 160 [2023-12-25 10:37:20,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:37:20,720 INFO L225 Difference]: With dead ends: 11218 [2023-12-25 10:37:20,720 INFO L226 Difference]: Without dead ends: 4584 [2023-12-25 10:37:20,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:37:20,726 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 78 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:37:20,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 389 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 10:37:20,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4584 states. [2023-12-25 10:37:20,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4584 to 4575. [2023-12-25 10:37:20,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4575 states, 4574 states have (on average 1.3491473546130301) internal successors, (6171), 4574 states have internal predecessors, (6171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:20,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 4575 states and 6171 transitions. [2023-12-25 10:37:20,756 INFO L78 Accepts]: Start accepts. Automaton has 4575 states and 6171 transitions. Word has length 160 [2023-12-25 10:37:20,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:37:20,757 INFO L495 AbstractCegarLoop]: Abstraction has 4575 states and 6171 transitions. [2023-12-25 10:37:20,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:20,757 INFO L276 IsEmpty]: Start isEmpty. Operand 4575 states and 6171 transitions. [2023-12-25 10:37:20,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-25 10:37:20,758 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:37:20,758 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:37:20,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Forceful destruction successful, exit code 0 [2023-12-25 10:37:20,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:20,963 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:37:20,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:37:20,963 INFO L85 PathProgramCache]: Analyzing trace with hash -571593136, now seen corresponding path program 1 times [2023-12-25 10:37:20,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:37:20,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [794345073] [2023-12-25 10:37:20,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:37:20,964 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:20,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:37:20,965 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:37:20,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Waiting until timeout for monitored process [2023-12-25 10:37:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:37:21,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 10:37:21,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:22,011 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:22,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 10:37:22,287 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:22,287 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:22,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [794345073] [2023-12-25 10:37:22,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [794345073] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 10:37:22,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 10:37:22,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2023-12-25 10:37:22,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511935681] [2023-12-25 10:37:22,288 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 10:37:22,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-25 10:37:22,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:22,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-25 10:37:22,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2023-12-25 10:37:22,303 INFO L87 Difference]: Start difference. First operand 4575 states and 6171 transitions. Second operand has 16 states, 16 states have (on average 18.9375) internal successors, (303), 15 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:24,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:37:24,994 INFO L93 Difference]: Finished difference Result 20965 states and 28218 transitions. [2023-12-25 10:37:24,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-25 10:37:24,995 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 18.9375) internal successors, (303), 15 states have internal predecessors, (303), 0 states have call successors, (0), 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 160 [2023-12-25 10:37:24,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:37:25,011 INFO L225 Difference]: With dead ends: 20965 [2023-12-25 10:37:25,011 INFO L226 Difference]: Without dead ends: 16547 [2023-12-25 10:37:25,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1312 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1229, Invalid=3601, Unknown=0, NotChecked=0, Total=4830 [2023-12-25 10:37:25,019 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 5559 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5559 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 10:37:25,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5559 Valid, 872 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 10:37:25,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16547 states. [2023-12-25 10:37:25,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16547 to 4743. [2023-12-25 10:37:25,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4743 states, 4742 states have (on average 1.3418388865457613) internal successors, (6363), 4742 states have internal predecessors, (6363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:25,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4743 states to 4743 states and 6363 transitions. [2023-12-25 10:37:25,134 INFO L78 Accepts]: Start accepts. Automaton has 4743 states and 6363 transitions. Word has length 160 [2023-12-25 10:37:25,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:37:25,134 INFO L495 AbstractCegarLoop]: Abstraction has 4743 states and 6363 transitions. [2023-12-25 10:37:25,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 18.9375) internal successors, (303), 15 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:25,134 INFO L276 IsEmpty]: Start isEmpty. Operand 4743 states and 6363 transitions. [2023-12-25 10:37:25,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-25 10:37:25,135 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:37:25,136 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:37:25,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Forceful destruction successful, exit code 0 [2023-12-25 10:37:25,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:25,341 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:37:25,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:37:25,341 INFO L85 PathProgramCache]: Analyzing trace with hash -243005773, now seen corresponding path program 1 times [2023-12-25 10:37:25,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:37:25,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745521860] [2023-12-25 10:37:25,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:37:25,342 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:25,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:37:25,343 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:37:25,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2023-12-25 10:37:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:37:25,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 10:37:25,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:25,639 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:25,639 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:37:25,639 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:25,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745521860] [2023-12-25 10:37:25,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745521860] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:37:25,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:37:25,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 10:37:25,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124092120] [2023-12-25 10:37:25,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:37:25,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 10:37:25,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:25,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 10:37:25,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:37:25,640 INFO L87 Difference]: Start difference. First operand 4743 states and 6363 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:25,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:37:25,667 INFO L93 Difference]: Finished difference Result 6955 states and 9341 transitions. [2023-12-25 10:37:25,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 10:37:25,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 161 [2023-12-25 10:37:25,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:37:25,669 INFO L225 Difference]: With dead ends: 6955 [2023-12-25 10:37:25,669 INFO L226 Difference]: Without dead ends: 2369 [2023-12-25 10:37:25,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:37:25,671 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 76 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:37:25,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 368 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 10:37:25,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2369 states. [2023-12-25 10:37:25,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2369 to 2367. [2023-12-25 10:37:25,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2367 states, 2366 states have (on average 1.319949281487743) internal successors, (3123), 2366 states have internal predecessors, (3123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:25,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 3123 transitions. [2023-12-25 10:37:25,685 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 3123 transitions. Word has length 161 [2023-12-25 10:37:25,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:37:25,685 INFO L495 AbstractCegarLoop]: Abstraction has 2367 states and 3123 transitions. [2023-12-25 10:37:25,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:25,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 3123 transitions. [2023-12-25 10:37:25,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-25 10:37:25,686 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:37:25,686 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:37:25,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Forceful destruction successful, exit code 0 [2023-12-25 10:37:25,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:25,888 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:37:25,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:37:25,889 INFO L85 PathProgramCache]: Analyzing trace with hash 470497462, now seen corresponding path program 1 times [2023-12-25 10:37:25,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:37:25,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [307187466] [2023-12-25 10:37:25,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:37:25,889 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 [2023-12-25 10:37:25,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:37:25,890 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:37:25,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Waiting until timeout for monitored process [2023-12-25 10:37:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:37:26,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-25 10:37:26,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:27,127 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:27,127 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 10:37:27,455 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:27,455 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:27,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [307187466] [2023-12-25 10:37:27,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [307187466] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 10:37:27,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 10:37:27,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2023-12-25 10:37:27,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619339984] [2023-12-25 10:37:27,456 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 10:37:27,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-25 10:37:27,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:27,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-25 10:37:27,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2023-12-25 10:37:27,457 INFO L87 Difference]: Start difference. First operand 2367 states and 3123 transitions. Second operand has 24 states, 24 states have (on average 12.875) internal successors, (309), 23 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:37,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:37:37,267 INFO L93 Difference]: Finished difference Result 15884 states and 20864 transitions. [2023-12-25 10:37:37,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-12-25 10:37:37,268 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 12.875) internal successors, (309), 23 states have internal predecessors, (309), 0 states have call successors, (0), 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 161 [2023-12-25 10:37:37,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:37:37,279 INFO L225 Difference]: With dead ends: 15884 [2023-12-25 10:37:37,279 INFO L226 Difference]: Without dead ends: 13674 [2023-12-25 10:37:37,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5813 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=3525, Invalid=14565, Unknown=0, NotChecked=0, Total=18090 [2023-12-25 10:37:37,283 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 3637 mSDsluCounter, 2567 mSDsCounter, 0 mSdLazyCounter, 2590 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3637 SdHoareTripleChecker+Valid, 2816 SdHoareTripleChecker+Invalid, 2621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-25 10:37:37,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3637 Valid, 2816 Invalid, 2621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2590 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-25 10:37:37,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13674 states. [2023-12-25 10:37:37,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13674 to 2451. [2023-12-25 10:37:37,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2451 states, 2450 states have (on average 1.3138775510204082) internal successors, (3219), 2450 states have internal predecessors, (3219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:37,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2451 states and 3219 transitions. [2023-12-25 10:37:37,351 INFO L78 Accepts]: Start accepts. Automaton has 2451 states and 3219 transitions. Word has length 161 [2023-12-25 10:37:37,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:37:37,352 INFO L495 AbstractCegarLoop]: Abstraction has 2451 states and 3219 transitions. [2023-12-25 10:37:37,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 12.875) internal successors, (309), 23 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:37,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 3219 transitions. [2023-12-25 10:37:37,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-25 10:37:37,353 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:37:37,353 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:37:37,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Forceful destruction successful, exit code 0 [2023-12-25 10:37:37,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:37,558 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:37:37,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:37:37,558 INFO L85 PathProgramCache]: Analyzing trace with hash -574605252, now seen corresponding path program 1 times [2023-12-25 10:37:37,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:37:37,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [56420260] [2023-12-25 10:37:37,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:37:37,559 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:37,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:37:37,566 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:37:37,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2023-12-25 10:37:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:37:37,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-25 10:37:37,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:38,845 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:38,845 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 10:37:39,201 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:39,201 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:39,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [56420260] [2023-12-25 10:37:39,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [56420260] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 10:37:39,201 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 10:37:39,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2023-12-25 10:37:39,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340827210] [2023-12-25 10:37:39,201 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 10:37:39,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-25 10:37:39,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:39,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-25 10:37:39,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2023-12-25 10:37:39,202 INFO L87 Difference]: Start difference. First operand 2451 states and 3219 transitions. Second operand has 24 states, 24 states have (on average 13.125) internal successors, (315), 23 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:47,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:37:47,550 INFO L93 Difference]: Finished difference Result 16123 states and 21047 transitions. [2023-12-25 10:37:47,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-12-25 10:37:47,551 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 13.125) internal successors, (315), 23 states have internal predecessors, (315), 0 states have call successors, (0), 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 162 [2023-12-25 10:37:47,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:37:47,564 INFO L225 Difference]: With dead ends: 16123 [2023-12-25 10:37:47,564 INFO L226 Difference]: Without dead ends: 13829 [2023-12-25 10:37:47,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5876 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=3525, Invalid=14565, Unknown=0, NotChecked=0, Total=18090 [2023-12-25 10:37:47,570 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 4918 mSDsluCounter, 2034 mSDsCounter, 0 mSdLazyCounter, 1979 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4918 SdHoareTripleChecker+Valid, 2213 SdHoareTripleChecker+Invalid, 2011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-25 10:37:47,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4918 Valid, 2213 Invalid, 2011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1979 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-25 10:37:47,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13829 states. [2023-12-25 10:37:47,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13829 to 2535. [2023-12-25 10:37:47,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2535 states, 2534 states have (on average 1.308208366219416) internal successors, (3315), 2534 states have internal predecessors, (3315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:47,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2535 states and 3315 transitions. [2023-12-25 10:37:47,647 INFO L78 Accepts]: Start accepts. Automaton has 2535 states and 3315 transitions. Word has length 162 [2023-12-25 10:37:47,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:37:47,647 INFO L495 AbstractCegarLoop]: Abstraction has 2535 states and 3315 transitions. [2023-12-25 10:37:47,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 13.125) internal successors, (315), 23 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:47,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 3315 transitions. [2023-12-25 10:37:47,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-25 10:37:47,648 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:37:47,648 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:37:47,658 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 (56)] Forceful destruction successful, exit code 0 [2023-12-25 10:37:47,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:47,852 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:37:47,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:37:47,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1109656735, now seen corresponding path program 1 times [2023-12-25 10:37:47,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:37:47,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596983185] [2023-12-25 10:37:47,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:37:47,854 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:47,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:37:47,854 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:37:47,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (57)] Waiting until timeout for monitored process [2023-12-25 10:37:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:37:48,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 10:37:48,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:48,146 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:48,146 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:37:48,146 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:48,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596983185] [2023-12-25 10:37:48,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1596983185] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:37:48,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:37:48,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 10:37:48,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259148506] [2023-12-25 10:37:48,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:37:48,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 10:37:48,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:48,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 10:37:48,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:37:48,148 INFO L87 Difference]: Start difference. First operand 2535 states and 3315 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:48,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:37:48,172 INFO L93 Difference]: Finished difference Result 3685 states and 4835 transitions. [2023-12-25 10:37:48,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 10:37:48,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2023-12-25 10:37:48,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:37:48,173 INFO L225 Difference]: With dead ends: 3685 [2023-12-25 10:37:48,173 INFO L226 Difference]: Without dead ends: 1307 [2023-12-25 10:37:48,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:37:48,174 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 79 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:37:48,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 342 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 10:37:48,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2023-12-25 10:37:48,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 1305. [2023-12-25 10:37:48,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1305 states, 1304 states have (on average 1.281441717791411) internal successors, (1671), 1304 states have internal predecessors, (1671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:48,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1671 transitions. [2023-12-25 10:37:48,181 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1671 transitions. Word has length 163 [2023-12-25 10:37:48,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:37:48,182 INFO L495 AbstractCegarLoop]: Abstraction has 1305 states and 1671 transitions. [2023-12-25 10:37:48,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:48,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1671 transitions. [2023-12-25 10:37:48,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-25 10:37:48,182 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:37:48,182 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:37:48,186 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 (57)] Forceful destruction successful, exit code 0 [2023-12-25 10:37:48,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:48,384 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:37:48,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:37:48,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1195287390, now seen corresponding path program 1 times [2023-12-25 10:37:48,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:37:48,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [752183454] [2023-12-25 10:37:48,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:37:48,385 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:48,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:37:48,386 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:37:48,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (58)] Waiting until timeout for monitored process [2023-12-25 10:37:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:37:48,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 10:37:48,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:49,580 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-25 10:37:49,580 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:37:49,581 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:49,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [752183454] [2023-12-25 10:37:49,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [752183454] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:37:49,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:37:49,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:37:49,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006623573] [2023-12-25 10:37:49,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:37:49,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 10:37:49,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:49,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 10:37:49,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-25 10:37:49,582 INFO L87 Difference]: Start difference. First operand 1305 states and 1671 transitions. Second operand has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 7 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:49,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:37:49,722 INFO L93 Difference]: Finished difference Result 3609 states and 4701 transitions. [2023-12-25 10:37:49,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 10:37:49,723 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 7 states have internal predecessors, (157), 0 states have call successors, (0), 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 163 [2023-12-25 10:37:49,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:37:49,725 INFO L225 Difference]: With dead ends: 3609 [2023-12-25 10:37:49,725 INFO L226 Difference]: Without dead ends: 2461 [2023-12-25 10:37:49,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-25 10:37:49,726 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 462 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 10:37:49,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 873 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 10:37:49,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2461 states. [2023-12-25 10:37:49,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2461 to 1305. [2023-12-25 10:37:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1305 states, 1304 states have (on average 1.263036809815951) internal successors, (1647), 1304 states have internal predecessors, (1647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:49,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1647 transitions. [2023-12-25 10:37:49,735 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1647 transitions. Word has length 163 [2023-12-25 10:37:49,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:37:49,735 INFO L495 AbstractCegarLoop]: Abstraction has 1305 states and 1647 transitions. [2023-12-25 10:37:49,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 7 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:49,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1647 transitions. [2023-12-25 10:37:49,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-25 10:37:49,736 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:37:49,736 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:37:49,742 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 (58)] Forceful destruction successful, exit code 0 [2023-12-25 10:37:49,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:49,941 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:37:49,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:37:49,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1537974489, now seen corresponding path program 1 times [2023-12-25 10:37:49,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:37:49,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199580998] [2023-12-25 10:37:49,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:37:49,941 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:49,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:37:49,942 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:37:49,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (59)] Waiting until timeout for monitored process [2023-12-25 10:37:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:37:50,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 10:37:50,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:50,231 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:50,231 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:37:50,231 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:50,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [199580998] [2023-12-25 10:37:50,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [199580998] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:37:50,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:37:50,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 10:37:50,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073471315] [2023-12-25 10:37:50,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:37:50,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 10:37:50,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:50,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 10:37:50,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:37:50,233 INFO L87 Difference]: Start difference. First operand 1305 states and 1647 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:50,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:37:50,270 INFO L93 Difference]: Finished difference Result 1882 states and 2381 transitions. [2023-12-25 10:37:50,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 10:37:50,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2023-12-25 10:37:50,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:37:50,270 INFO L225 Difference]: With dead ends: 1882 [2023-12-25 10:37:50,271 INFO L226 Difference]: Without dead ends: 734 [2023-12-25 10:37:50,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 10:37:50,272 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 75 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 10:37:50,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 322 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 10:37:50,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2023-12-25 10:37:50,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 732. [2023-12-25 10:37:50,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 731 states have (on average 1.2270861833105335) internal successors, (897), 731 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:50,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 897 transitions. [2023-12-25 10:37:50,278 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 897 transitions. Word has length 163 [2023-12-25 10:37:50,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:37:50,278 INFO L495 AbstractCegarLoop]: Abstraction has 732 states and 897 transitions. [2023-12-25 10:37:50,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:50,278 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 897 transitions. [2023-12-25 10:37:50,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-25 10:37:50,278 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:37:50,279 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:37:50,283 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 (59)] Forceful destruction successful, exit code 0 [2023-12-25 10:37:50,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:50,483 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:37:50,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:37:50,483 INFO L85 PathProgramCache]: Analyzing trace with hash 209735836, now seen corresponding path program 1 times [2023-12-25 10:37:50,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:37:50,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1803912300] [2023-12-25 10:37:50,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:37:50,484 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:50,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:37:50,485 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:37:50,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Waiting until timeout for monitored process [2023-12-25 10:37:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:37:50,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 10:37:50,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:51,751 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-25 10:37:51,751 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:37:51,751 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:51,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1803912300] [2023-12-25 10:37:51,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1803912300] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:37:51,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:37:51,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:37:51,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728914062] [2023-12-25 10:37:51,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:37:51,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 10:37:51,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:51,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 10:37:51,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-25 10:37:51,752 INFO L87 Difference]: Start difference. First operand 732 states and 897 transitions. Second operand has 7 states, 7 states have (on average 22.571428571428573) internal successors, (158), 7 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:51,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:37:51,868 INFO L93 Difference]: Finished difference Result 1699 states and 2153 transitions. [2023-12-25 10:37:51,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 10:37:51,868 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.571428571428573) internal successors, (158), 7 states have internal predecessors, (158), 0 states have call successors, (0), 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 163 [2023-12-25 10:37:51,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:37:51,869 INFO L225 Difference]: With dead ends: 1699 [2023-12-25 10:37:51,869 INFO L226 Difference]: Without dead ends: 1506 [2023-12-25 10:37:51,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-25 10:37:51,870 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 482 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 10:37:51,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 830 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 10:37:51,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2023-12-25 10:37:51,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 923. [2023-12-25 10:37:51,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 922 states have (on average 1.2310195227765726) internal successors, (1135), 922 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:51,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1135 transitions. [2023-12-25 10:37:51,876 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1135 transitions. Word has length 163 [2023-12-25 10:37:51,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:37:51,877 INFO L495 AbstractCegarLoop]: Abstraction has 923 states and 1135 transitions. [2023-12-25 10:37:51,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.571428571428573) internal successors, (158), 7 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:51,877 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1135 transitions. [2023-12-25 10:37:51,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-25 10:37:51,877 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:37:51,877 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:37:51,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (60)] Forceful destruction successful, exit code 0 [2023-12-25 10:37:52,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:52,078 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:37:52,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:37:52,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1279473438, now seen corresponding path program 1 times [2023-12-25 10:37:52,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:37:52,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180542382] [2023-12-25 10:37:52,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:37:52,079 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:52,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:37:52,081 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:37:52,081 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 (61)] Waiting until timeout for monitored process [2023-12-25 10:37:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:37:52,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 10:37:52,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:53,199 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-25 10:37:53,200 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:37:53,200 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:53,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180542382] [2023-12-25 10:37:53,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1180542382] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:37:53,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:37:53,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:37:53,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91582626] [2023-12-25 10:37:53,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:37:53,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 10:37:53,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:53,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 10:37:53,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-25 10:37:53,201 INFO L87 Difference]: Start difference. First operand 923 states and 1135 transitions. Second operand has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 7 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:53,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:37:53,298 INFO L93 Difference]: Finished difference Result 1890 states and 2391 transitions. [2023-12-25 10:37:53,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 10:37:53,298 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 7 states have internal predecessors, (159), 0 states have call successors, (0), 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 163 [2023-12-25 10:37:53,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:37:53,313 INFO L225 Difference]: With dead ends: 1890 [2023-12-25 10:37:53,313 INFO L226 Difference]: Without dead ends: 1697 [2023-12-25 10:37:53,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-25 10:37:53,328 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 485 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 10:37:53,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 796 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 10:37:53,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2023-12-25 10:37:53,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1114. [2023-12-25 10:37:53,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1114 states, 1113 states have (on average 1.2336028751123091) internal successors, (1373), 1113 states have internal predecessors, (1373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:53,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 1114 states and 1373 transitions. [2023-12-25 10:37:53,336 INFO L78 Accepts]: Start accepts. Automaton has 1114 states and 1373 transitions. Word has length 163 [2023-12-25 10:37:53,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:37:53,336 INFO L495 AbstractCegarLoop]: Abstraction has 1114 states and 1373 transitions. [2023-12-25 10:37:53,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 7 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:53,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1373 transitions. [2023-12-25 10:37:53,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-25 10:37:53,337 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:37:53,337 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:37:53,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (61)] Forceful destruction successful, exit code 0 [2023-12-25 10:37:53,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:53,538 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:37:53,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:37:53,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1862175836, now seen corresponding path program 1 times [2023-12-25 10:37:53,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:37:53,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [688450716] [2023-12-25 10:37:53,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:37:53,538 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:53,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:37:53,539 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:37:53,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (62)] Waiting until timeout for monitored process [2023-12-25 10:37:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:37:53,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 10:37:53,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-25 10:37:54,592 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:37:54,592 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:54,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [688450716] [2023-12-25 10:37:54,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [688450716] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:37:54,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:37:54,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:37:54,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218576959] [2023-12-25 10:37:54,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:37:54,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 10:37:54,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:54,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 10:37:54,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-25 10:37:54,593 INFO L87 Difference]: Start difference. First operand 1114 states and 1373 transitions. Second operand has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:54,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:37:54,691 INFO L93 Difference]: Finished difference Result 2081 states and 2629 transitions. [2023-12-25 10:37:54,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 10:37:54,691 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 0 states have call successors, (0), 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 163 [2023-12-25 10:37:54,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:37:54,692 INFO L225 Difference]: With dead ends: 2081 [2023-12-25 10:37:54,692 INFO L226 Difference]: Without dead ends: 1888 [2023-12-25 10:37:54,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-25 10:37:54,693 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 497 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 10:37:54,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 937 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 10:37:54,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2023-12-25 10:37:54,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1305. [2023-12-25 10:37:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1305 states, 1304 states have (on average 1.2354294478527608) internal successors, (1611), 1304 states have internal predecessors, (1611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:54,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1611 transitions. [2023-12-25 10:37:54,701 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1611 transitions. Word has length 163 [2023-12-25 10:37:54,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:37:54,701 INFO L495 AbstractCegarLoop]: Abstraction has 1305 states and 1611 transitions. [2023-12-25 10:37:54,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:54,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1611 transitions. [2023-12-25 10:37:54,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-25 10:37:54,702 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:37:54,702 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:37:54,706 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 (62)] Ended with exit code 0 [2023-12-25 10:37:54,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:54,904 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:37:54,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:37:54,904 INFO L85 PathProgramCache]: Analyzing trace with hash 630056226, now seen corresponding path program 1 times [2023-12-25 10:37:54,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:37:54,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102006737] [2023-12-25 10:37:54,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:37:54,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:54,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:37:54,906 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:37:54,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (63)] Waiting until timeout for monitored process [2023-12-25 10:37:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:37:55,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 10:37:55,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:56,175 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-25 10:37:56,175 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 10:37:56,175 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:56,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102006737] [2023-12-25 10:37:56,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2102006737] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 10:37:56,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 10:37:56,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-25 10:37:56,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453322006] [2023-12-25 10:37:56,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 10:37:56,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-25 10:37:56,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:56,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-25 10:37:56,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-25 10:37:56,176 INFO L87 Difference]: Start difference. First operand 1305 states and 1611 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:56,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:37:56,289 INFO L93 Difference]: Finished difference Result 2272 states and 2867 transitions. [2023-12-25 10:37:56,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 10:37:56,291 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 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 163 [2023-12-25 10:37:56,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:37:56,292 INFO L225 Difference]: With dead ends: 2272 [2023-12-25 10:37:56,292 INFO L226 Difference]: Without dead ends: 2079 [2023-12-25 10:37:56,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-12-25 10:37:56,293 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 401 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 930 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 10:37:56,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 930 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 10:37:56,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2023-12-25 10:37:56,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 1496. [2023-12-25 10:37:56,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1496 states, 1495 states have (on average 1.2367892976588628) internal successors, (1849), 1495 states have internal predecessors, (1849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:56,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 1849 transitions. [2023-12-25 10:37:56,302 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 1849 transitions. Word has length 163 [2023-12-25 10:37:56,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:37:56,302 INFO L495 AbstractCegarLoop]: Abstraction has 1496 states and 1849 transitions. [2023-12-25 10:37:56,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:37:56,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1849 transitions. [2023-12-25 10:37:56,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-25 10:37:56,303 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:37:56,303 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:37:56,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (63)] Forceful destruction successful, exit code 0 [2023-12-25 10:37:56,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:56,507 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:37:56,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:37:56,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1615576987, now seen corresponding path program 1 times [2023-12-25 10:37:56,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:37:56,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271396435] [2023-12-25 10:37:56,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:37:56,508 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:37:56,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:37:56,526 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:37:56,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Waiting until timeout for monitored process [2023-12-25 10:37:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:37:56,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-25 10:37:56,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:37:58,004 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:58,004 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 10:37:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:37:58,408 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:37:58,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271396435] [2023-12-25 10:37:58,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271396435] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 10:37:58,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 10:37:58,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2023-12-25 10:37:58,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32952837] [2023-12-25 10:37:58,409 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 10:37:58,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-25 10:37:58,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:37:58,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-25 10:37:58,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2023-12-25 10:37:58,409 INFO L87 Difference]: Start difference. First operand 1496 states and 1849 transitions. Second operand has 25 states, 25 states have (on average 12.28) internal successors, (307), 25 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:38:04,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:38:04,288 INFO L93 Difference]: Finished difference Result 16040 states and 19886 transitions. [2023-12-25 10:38:04,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-12-25 10:38:04,289 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 12.28) internal successors, (307), 25 states have internal predecessors, (307), 0 states have call successors, (0), 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 164 [2023-12-25 10:38:04,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:38:04,299 INFO L225 Difference]: With dead ends: 16040 [2023-12-25 10:38:04,299 INFO L226 Difference]: Without dead ends: 15656 [2023-12-25 10:38:04,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1447 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=1361, Invalid=5119, Unknown=0, NotChecked=0, Total=6480 [2023-12-25 10:38:04,303 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 3723 mSDsluCounter, 4734 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3723 SdHoareTripleChecker+Valid, 5224 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-25 10:38:04,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3723 Valid, 5224 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-25 10:38:04,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15656 states. [2023-12-25 10:38:04,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15656 to 3382. [2023-12-25 10:38:04,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3382 states, 3381 states have (on average 1.2422360248447204) internal successors, (4200), 3381 states have internal predecessors, (4200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:38:04,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 3382 states and 4200 transitions. [2023-12-25 10:38:04,362 INFO L78 Accepts]: Start accepts. Automaton has 3382 states and 4200 transitions. Word has length 164 [2023-12-25 10:38:04,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:38:04,363 INFO L495 AbstractCegarLoop]: Abstraction has 3382 states and 4200 transitions. [2023-12-25 10:38:04,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 12.28) internal successors, (307), 25 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:38:04,363 INFO L276 IsEmpty]: Start isEmpty. Operand 3382 states and 4200 transitions. [2023-12-25 10:38:04,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-25 10:38:04,364 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:38:04,364 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:38:04,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (64)] Ended with exit code 0 [2023-12-25 10:38:04,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:38:04,568 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:38:04,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:38:04,569 INFO L85 PathProgramCache]: Analyzing trace with hash -536424225, now seen corresponding path program 1 times [2023-12-25 10:38:04,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:38:04,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [204941891] [2023-12-25 10:38:04,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:38:04,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:38:04,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:38:04,571 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:38:04,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (65)] Waiting until timeout for monitored process [2023-12-25 10:38:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:38:04,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-25 10:38:04,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:38:05,747 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:38:05,747 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 10:38:06,141 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:38:06,142 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:38:06,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [204941891] [2023-12-25 10:38:06,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [204941891] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 10:38:06,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 10:38:06,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 21 [2023-12-25 10:38:06,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157191130] [2023-12-25 10:38:06,142 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 10:38:06,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-25 10:38:06,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:38:06,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-25 10:38:06,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2023-12-25 10:38:06,144 INFO L87 Difference]: Start difference. First operand 3382 states and 4200 transitions. Second operand has 21 states, 21 states have (on average 14.380952380952381) internal successors, (302), 21 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:38:10,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:38:10,619 INFO L93 Difference]: Finished difference Result 25211 states and 31255 transitions. [2023-12-25 10:38:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-25 10:38:10,621 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 14.380952380952381) internal successors, (302), 21 states have internal predecessors, (302), 0 states have call successors, (0), 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 164 [2023-12-25 10:38:10,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:38:10,640 INFO L225 Difference]: With dead ends: 25211 [2023-12-25 10:38:10,640 INFO L226 Difference]: Without dead ends: 22066 [2023-12-25 10:38:10,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 882 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=980, Invalid=3310, Unknown=0, NotChecked=0, Total=4290 [2023-12-25 10:38:10,651 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 3496 mSDsluCounter, 5773 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3496 SdHoareTripleChecker+Valid, 6153 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-25 10:38:10,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3496 Valid, 6153 Invalid, 1140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-25 10:38:10,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22066 states. [2023-12-25 10:38:10,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22066 to 9656. [2023-12-25 10:38:10,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9656 states, 9655 states have (on average 1.2442257897462454) internal successors, (12013), 9655 states have internal predecessors, (12013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:38:10,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9656 states to 9656 states and 12013 transitions. [2023-12-25 10:38:10,787 INFO L78 Accepts]: Start accepts. Automaton has 9656 states and 12013 transitions. Word has length 164 [2023-12-25 10:38:10,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:38:10,787 INFO L495 AbstractCegarLoop]: Abstraction has 9656 states and 12013 transitions. [2023-12-25 10:38:10,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 14.380952380952381) internal successors, (302), 21 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:38:10,787 INFO L276 IsEmpty]: Start isEmpty. Operand 9656 states and 12013 transitions. [2023-12-25 10:38:10,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-25 10:38:10,790 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:38:10,790 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:38:10,796 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 (65)] Forceful destruction successful, exit code 0 [2023-12-25 10:38:10,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:38:10,994 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:38:10,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:38:10,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1929544539, now seen corresponding path program 1 times [2023-12-25 10:38:10,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:38:10,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372804371] [2023-12-25 10:38:10,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:38:10,995 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:38:10,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:38:10,996 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:38:10,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (66)] Waiting until timeout for monitored process [2023-12-25 10:38:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:38:11,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-25 10:38:11,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:38:14,673 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:38:14,673 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 10:38:15,790 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:38:15,790 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:38:15,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372804371] [2023-12-25 10:38:15,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [372804371] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 10:38:15,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 10:38:15,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 23] total 47 [2023-12-25 10:38:15,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633274415] [2023-12-25 10:38:15,791 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 10:38:15,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-12-25 10:38:15,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:38:15,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-12-25 10:38:15,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=1908, Unknown=0, NotChecked=0, Total=2162 [2023-12-25 10:38:15,792 INFO L87 Difference]: Start difference. First operand 9656 states and 12013 transitions. Second operand has 47 states, 47 states have (on average 6.659574468085107) internal successors, (313), 47 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:41:43,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:41:43,965 INFO L93 Difference]: Finished difference Result 281722 states and 350996 transitions. [2023-12-25 10:41:43,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 734 states. [2023-12-25 10:41:43,965 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 6.659574468085107) internal successors, (313), 47 states have internal predecessors, (313), 0 states have call successors, (0), 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 164 [2023-12-25 10:41:43,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:41:44,266 INFO L225 Difference]: With dead ends: 281722 [2023-12-25 10:41:44,266 INFO L226 Difference]: Without dead ends: 278282 [2023-12-25 10:41:44,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1049 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 768 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265914 ImplicationChecksByTransitivity, 175.1s TimeCoverageRelationStatistics Valid=46223, Invalid=545907, Unknown=0, NotChecked=0, Total=592130 [2023-12-25 10:41:44,340 INFO L413 NwaCegarLoop]: 2042 mSDtfsCounter, 17462 mSDsluCounter, 40710 mSDsCounter, 0 mSdLazyCounter, 19315 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17462 SdHoareTripleChecker+Valid, 42752 SdHoareTripleChecker+Invalid, 19471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 19315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2023-12-25 10:41:44,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17462 Valid, 42752 Invalid, 19471 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [156 Valid, 19315 Invalid, 0 Unknown, 0 Unchecked, 29.9s Time] [2023-12-25 10:41:44,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278282 states. [2023-12-25 10:41:46,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278282 to 65279. [2023-12-25 10:41:46,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65279 states, 65278 states have (on average 1.2447991666411349) internal successors, (81258), 65278 states have internal predecessors, (81258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:41:46,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65279 states to 65279 states and 81258 transitions. [2023-12-25 10:41:46,448 INFO L78 Accepts]: Start accepts. Automaton has 65279 states and 81258 transitions. Word has length 164 [2023-12-25 10:41:46,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:41:46,449 INFO L495 AbstractCegarLoop]: Abstraction has 65279 states and 81258 transitions. [2023-12-25 10:41:46,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 6.659574468085107) internal successors, (313), 47 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:41:46,449 INFO L276 IsEmpty]: Start isEmpty. Operand 65279 states and 81258 transitions. [2023-12-25 10:41:46,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-25 10:41:46,594 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:41:46,594 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:41:46,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (66)] Forceful destruction successful, exit code 0 [2023-12-25 10:41:46,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:41:46,795 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:41:46,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:41:46,795 INFO L85 PathProgramCache]: Analyzing trace with hash -801696561, now seen corresponding path program 1 times [2023-12-25 10:41:46,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:41:46,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500623795] [2023-12-25 10:41:46,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:41:46,796 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:41:46,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:41:46,796 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:41:46,798 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 (67)] Waiting until timeout for monitored process [2023-12-25 10:41:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:41:47,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-25 10:41:47,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:41:47,992 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:41:47,993 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 10:41:48,173 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:41:48,173 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:41:48,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500623795] [2023-12-25 10:41:48,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500623795] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 10:41:48,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 10:41:48,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 19 [2023-12-25 10:41:48,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158165612] [2023-12-25 10:41:48,174 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 10:41:48,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-25 10:41:48,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:41:48,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-25 10:41:48,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2023-12-25 10:41:48,175 INFO L87 Difference]: Start difference. First operand 65279 states and 81258 transitions. Second operand has 19 states, 19 states have (on average 15.578947368421053) internal successors, (296), 19 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:41:50,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:41:50,220 INFO L93 Difference]: Finished difference Result 344473 states and 429391 transitions. [2023-12-25 10:41:50,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-25 10:41:50,221 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 15.578947368421053) internal successors, (296), 19 states have internal predecessors, (296), 0 states have call successors, (0), 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 164 [2023-12-25 10:41:50,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:41:50,503 INFO L225 Difference]: With dead ends: 344473 [2023-12-25 10:41:50,503 INFO L226 Difference]: Without dead ends: 281076 [2023-12-25 10:41:50,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=430, Invalid=1462, Unknown=0, NotChecked=0, Total=1892 [2023-12-25 10:41:50,784 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 3088 mSDsluCounter, 3381 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3088 SdHoareTripleChecker+Valid, 3742 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-25 10:41:50,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3088 Valid, 3742 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-25 10:41:50,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281076 states. [2023-12-25 10:41:53,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281076 to 176269. [2023-12-25 10:41:53,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176269 states, 176268 states have (on average 1.238001225406767) internal successors, (218220), 176268 states have internal predecessors, (218220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:41:53,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176269 states to 176269 states and 218220 transitions. [2023-12-25 10:41:53,781 INFO L78 Accepts]: Start accepts. Automaton has 176269 states and 218220 transitions. Word has length 164 [2023-12-25 10:41:53,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:41:53,781 INFO L495 AbstractCegarLoop]: Abstraction has 176269 states and 218220 transitions. [2023-12-25 10:41:53,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.578947368421053) internal successors, (296), 19 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:41:53,782 INFO L276 IsEmpty]: Start isEmpty. Operand 176269 states and 218220 transitions. [2023-12-25 10:41:53,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-25 10:41:53,818 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:41:53,818 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:41:53,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (67)] Forceful destruction successful, exit code 0 [2023-12-25 10:41:54,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:41:54,022 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:41:54,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:41:54,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1975664256, now seen corresponding path program 1 times [2023-12-25 10:41:54,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:41:54,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [364823921] [2023-12-25 10:41:54,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:41:54,024 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:41:54,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:41:54,031 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:41:54,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (68)] Waiting until timeout for monitored process [2023-12-25 10:41:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:41:54,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-25 10:41:54,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:41:55,755 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:41:55,755 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 10:41:56,173 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:41:56,173 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:41:56,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [364823921] [2023-12-25 10:41:56,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [364823921] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 10:41:56,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 10:41:56,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2023-12-25 10:41:56,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139031418] [2023-12-25 10:41:56,174 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 10:41:56,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-25 10:41:56,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:41:56,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-25 10:41:56,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2023-12-25 10:41:56,175 INFO L87 Difference]: Start difference. First operand 176269 states and 218220 transitions. Second operand has 25 states, 25 states have (on average 12.24) internal successors, (306), 25 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:42:02,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:42:02,884 INFO L93 Difference]: Finished difference Result 559640 states and 691355 transitions. [2023-12-25 10:42:02,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-12-25 10:42:02,885 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 12.24) internal successors, (306), 25 states have internal predecessors, (306), 0 states have call successors, (0), 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 164 [2023-12-25 10:42:02,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:42:03,546 INFO L225 Difference]: With dead ends: 559640 [2023-12-25 10:42:03,547 INFO L226 Difference]: Without dead ends: 540968 [2023-12-25 10:42:03,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 869 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=959, Invalid=3733, Unknown=0, NotChecked=0, Total=4692 [2023-12-25 10:42:03,615 INFO L413 NwaCegarLoop]: 800 mSDtfsCounter, 2291 mSDsluCounter, 8301 mSDsCounter, 0 mSdLazyCounter, 1682 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2291 SdHoareTripleChecker+Valid, 9101 SdHoareTripleChecker+Invalid, 1685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-25 10:42:03,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2291 Valid, 9101 Invalid, 1685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1682 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-25 10:42:03,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540968 states. [2023-12-25 10:42:07,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540968 to 251891. [2023-12-25 10:42:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251891 states, 251890 states have (on average 1.2390646710865854) internal successors, (312108), 251890 states have internal predecessors, (312108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:42:08,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251891 states to 251891 states and 312108 transitions. [2023-12-25 10:42:08,492 INFO L78 Accepts]: Start accepts. Automaton has 251891 states and 312108 transitions. Word has length 164 [2023-12-25 10:42:08,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:42:08,492 INFO L495 AbstractCegarLoop]: Abstraction has 251891 states and 312108 transitions. [2023-12-25 10:42:08,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 12.24) internal successors, (306), 25 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:42:08,492 INFO L276 IsEmpty]: Start isEmpty. Operand 251891 states and 312108 transitions. [2023-12-25 10:42:08,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-25 10:42:08,528 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:42:08,528 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:42:08,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (68)] Forceful destruction successful, exit code 0 [2023-12-25 10:42:08,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:42:08,731 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:42:08,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:42:08,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1041541696, now seen corresponding path program 1 times [2023-12-25 10:42:08,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:42:08,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1219824172] [2023-12-25 10:42:08,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:42:08,732 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:42:08,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:42:08,733 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:42:08,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Waiting until timeout for monitored process [2023-12-25 10:42:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:42:09,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-25 10:42:09,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:42:10,693 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:42:10,694 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 10:42:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:42:11,710 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:42:11,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1219824172] [2023-12-25 10:42:11,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1219824172] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 10:42:11,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 10:42:11,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 34 [2023-12-25 10:42:11,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133746529] [2023-12-25 10:42:11,710 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 10:42:11,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-12-25 10:42:11,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:42:11,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-12-25 10:42:11,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=994, Unknown=0, NotChecked=0, Total=1122 [2023-12-25 10:42:11,711 INFO L87 Difference]: Start difference. First operand 251891 states and 312108 transitions. Second operand has 34 states, 34 states have (on average 9.323529411764707) internal successors, (317), 34 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:42:38,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:42:38,194 INFO L93 Difference]: Finished difference Result 948067 states and 1177935 transitions. [2023-12-25 10:42:38,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2023-12-25 10:42:38,194 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 9.323529411764707) internal successors, (317), 34 states have internal predecessors, (317), 0 states have call successors, (0), 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 164 [2023-12-25 10:42:38,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:42:39,837 INFO L225 Difference]: With dead ends: 948067 [2023-12-25 10:42:39,837 INFO L226 Difference]: Without dead ends: 931663 [2023-12-25 10:42:39,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 293 SyntacticMatches, 1 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19602 ImplicationChecksByTransitivity, 18.2s TimeCoverageRelationStatistics Valid=5567, Invalid=48025, Unknown=0, NotChecked=0, Total=53592 [2023-12-25 10:42:39,965 INFO L413 NwaCegarLoop]: 1333 mSDtfsCounter, 7523 mSDsluCounter, 26078 mSDsCounter, 0 mSdLazyCounter, 5197 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7523 SdHoareTripleChecker+Valid, 27411 SdHoareTripleChecker+Invalid, 5269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 5197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-12-25 10:42:39,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7523 Valid, 27411 Invalid, 5269 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [72 Valid, 5197 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-12-25 10:42:40,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931663 states. [2023-12-25 10:42:48,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931663 to 459447. [2023-12-25 10:42:48,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459447 states, 459446 states have (on average 1.243848025665693) internal successors, (571481), 459446 states have internal predecessors, (571481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:42:49,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459447 states to 459447 states and 571481 transitions. [2023-12-25 10:42:49,907 INFO L78 Accepts]: Start accepts. Automaton has 459447 states and 571481 transitions. Word has length 164 [2023-12-25 10:42:49,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:42:49,908 INFO L495 AbstractCegarLoop]: Abstraction has 459447 states and 571481 transitions. [2023-12-25 10:42:49,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 9.323529411764707) internal successors, (317), 34 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:42:49,910 INFO L276 IsEmpty]: Start isEmpty. Operand 459447 states and 571481 transitions. [2023-12-25 10:42:49,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-25 10:42:49,958 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:42:49,958 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:42:49,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (69)] Forceful destruction successful, exit code 0 [2023-12-25 10:42:50,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:42:50,162 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:42:50,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:42:50,162 INFO L85 PathProgramCache]: Analyzing trace with hash -679333949, now seen corresponding path program 1 times [2023-12-25 10:42:50,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:42:50,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406200258] [2023-12-25 10:42:50,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:42:50,163 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:42:50,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:42:50,165 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:42:50,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Waiting until timeout for monitored process [2023-12-25 10:42:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:42:50,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-25 10:42:50,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:42:51,562 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:42:51,562 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 10:42:51,902 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:42:51,903 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:42:51,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406200258] [2023-12-25 10:42:51,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1406200258] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 10:42:51,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 10:42:51,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 21 [2023-12-25 10:42:51,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030368500] [2023-12-25 10:42:51,903 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 10:42:51,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-25 10:42:51,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:42:51,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-25 10:42:51,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2023-12-25 10:42:51,904 INFO L87 Difference]: Start difference. First operand 459447 states and 571481 transitions. Second operand has 21 states, 21 states have (on average 14.428571428571429) internal successors, (303), 21 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:42:59,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:42:59,311 INFO L93 Difference]: Finished difference Result 909923 states and 1128879 transitions. [2023-12-25 10:42:59,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-12-25 10:42:59,312 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 14.428571428571429) internal successors, (303), 21 states have internal predecessors, (303), 0 states have call successors, (0), 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 164 [2023-12-25 10:42:59,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:43:00,483 INFO L225 Difference]: With dead ends: 909923 [2023-12-25 10:43:00,484 INFO L226 Difference]: Without dead ends: 868133 [2023-12-25 10:43:00,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1436 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1410, Invalid=4596, Unknown=0, NotChecked=0, Total=6006 [2023-12-25 10:43:00,624 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 3231 mSDsluCounter, 5484 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3231 SdHoareTripleChecker+Valid, 6024 SdHoareTripleChecker+Invalid, 1186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-25 10:43:00,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3231 Valid, 6024 Invalid, 1186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1175 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-25 10:43:01,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868133 states. [2023-12-25 10:43:07,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868133 to 526666. [2023-12-25 10:43:07,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526666 states, 526665 states have (on average 1.2440165949892246) internal successors, (655180), 526665 states have internal predecessors, (655180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:43:09,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526666 states to 526666 states and 655180 transitions. [2023-12-25 10:43:09,767 INFO L78 Accepts]: Start accepts. Automaton has 526666 states and 655180 transitions. Word has length 164 [2023-12-25 10:43:09,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:43:09,767 INFO L495 AbstractCegarLoop]: Abstraction has 526666 states and 655180 transitions. [2023-12-25 10:43:09,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 14.428571428571429) internal successors, (303), 21 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:43:09,767 INFO L276 IsEmpty]: Start isEmpty. Operand 526666 states and 655180 transitions. [2023-12-25 10:43:09,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-25 10:43:09,807 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:43:09,807 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:43:09,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (70)] Forceful destruction successful, exit code 0 [2023-12-25 10:43:10,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:43:10,011 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:43:10,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:43:10,012 INFO L85 PathProgramCache]: Analyzing trace with hash -534303747, now seen corresponding path program 1 times [2023-12-25 10:43:10,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:43:10,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1941746272] [2023-12-25 10:43:10,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:43:10,013 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:43:10,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:43:10,014 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:43:10,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (71)] Waiting until timeout for monitored process [2023-12-25 10:43:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:43:10,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-25 10:43:10,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:43:11,462 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:43:11,462 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 10:43:11,719 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 10:43:11,720 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:43:11,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1941746272] [2023-12-25 10:43:11,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1941746272] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 10:43:11,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 10:43:11,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2023-12-25 10:43:11,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392874185] [2023-12-25 10:43:11,720 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 10:43:11,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-25 10:43:11,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:43:11,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-25 10:43:11,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2023-12-25 10:43:11,721 INFO L87 Difference]: Start difference. First operand 526666 states and 655180 transitions. Second operand has 24 states, 24 states have (on average 12.333333333333334) internal successors, (296), 24 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:43:17,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:43:17,582 INFO L93 Difference]: Finished difference Result 1216784 states and 1520361 transitions. [2023-12-25 10:43:17,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-25 10:43:17,583 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 12.333333333333334) internal successors, (296), 24 states have internal predecessors, (296), 0 states have call successors, (0), 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 164 [2023-12-25 10:43:17,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:43:19,318 INFO L225 Difference]: With dead ends: 1216784 [2023-12-25 10:43:19,319 INFO L226 Difference]: Without dead ends: 1135417 [2023-12-25 10:43:19,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 470 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=513, Invalid=2139, Unknown=0, NotChecked=0, Total=2652 [2023-12-25 10:43:19,871 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 3039 mSDsluCounter, 4149 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3039 SdHoareTripleChecker+Valid, 4566 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-25 10:43:19,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3039 Valid, 4566 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-25 10:43:20,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135417 states. [2023-12-25 10:43:30,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135417 to 607122. [2023-12-25 10:43:30,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607122 states, 607121 states have (on average 1.2418134111651549) internal successors, (753931), 607121 states have internal predecessors, (753931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:43:32,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607122 states to 607122 states and 753931 transitions. [2023-12-25 10:43:32,980 INFO L78 Accepts]: Start accepts. Automaton has 607122 states and 753931 transitions. Word has length 164 [2023-12-25 10:43:32,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 10:43:32,981 INFO L495 AbstractCegarLoop]: Abstraction has 607122 states and 753931 transitions. [2023-12-25 10:43:32,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 12.333333333333334) internal successors, (296), 24 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:43:32,981 INFO L276 IsEmpty]: Start isEmpty. Operand 607122 states and 753931 transitions. [2023-12-25 10:43:33,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-25 10:43:33,017 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 10:43:33,017 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 10:43:33,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (71)] Forceful destruction successful, exit code 0 [2023-12-25 10:43:33,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:43:33,224 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-25 10:43:33,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 10:43:33,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1102482694, now seen corresponding path program 1 times [2023-12-25 10:43:33,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 10:43:33,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [982241845] [2023-12-25 10:43:33,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 10:43:33,225 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 10:43:33,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 10:43:33,226 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 10:43:33,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (72)] Waiting until timeout for monitored process [2023-12-25 10:43:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 10:43:33,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 10:43:33,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 10:43:33,762 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-25 10:43:33,762 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-25 10:43:33,951 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-25 10:43:33,951 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 10:43:33,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [982241845] [2023-12-25 10:43:33,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [982241845] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-25 10:43:33,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-25 10:43:33,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-12-25 10:43:33,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650729231] [2023-12-25 10:43:33,951 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-25 10:43:33,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 10:43:33,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 10:43:33,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 10:43:33,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-25 10:43:33,952 INFO L87 Difference]: Start difference. First operand 607122 states and 753931 transitions. Second operand has 8 states, 8 states have (on average 40.0) internal successors, (320), 8 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 10:43:42,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 10:43:42,473 INFO L93 Difference]: Finished difference Result 2510181 states and 3094727 transitions. [2023-12-25 10:43:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 10:43:42,473 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 40.0) internal successors, (320), 8 states have internal predecessors, (320), 0 states have call successors, (0), 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 165 [2023-12-25 10:43:42,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 10:43:46,968 INFO L225 Difference]: With dead ends: 2510181 [2023-12-25 10:43:46,969 INFO L226 Difference]: Without dead ends: 1907706 [2023-12-25 10:43:47,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-12-25 10:43:47,916 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 248 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 10:43:47,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 976 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 10:43:49,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1907706 states.