/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_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 23:39:33,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 23:39:33,709 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 23:39:33,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 23:39:33,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 23:39:33,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 23:39:33,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 23:39:33,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 23:39:33,741 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 23:39:33,741 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 23:39:33,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 23:39:33,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 23:39:33,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 23:39:33,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 23:39:33,742 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 23:39:33,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 23:39:33,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 23:39:33,743 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 23:39:33,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 23:39:33,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 23:39:33,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 23:39:33,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 23:39:33,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 23:39:33,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 23:39:33,754 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 23:39:33,754 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 23:39:33,754 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 23:39:33,754 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 23:39:33,754 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 23:39:33,754 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 23:39:33,754 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 23:39:33,755 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 23:39:33,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 23:39:33,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 23:39:33,755 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 23:39:33,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 23:39:33,755 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 23:39:33,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 23:39:33,756 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 23:39:33,756 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 23:39:33,756 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 23:39:33,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 23:39:33,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 23:39:33,757 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 23:39:33,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 23:39:33,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 23:39:33,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 23:39:33,973 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 23:39:33,973 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 23:39:33,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-12-15 23:39:35,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 23:39:35,426 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 23:39:35,426 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-12-15 23:39:35,454 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bcf13435/843c71b58e0b471088fd329c92e4c737/FLAGf9c374b98 [2023-12-15 23:39:35,464 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bcf13435/843c71b58e0b471088fd329c92e4c737 [2023-12-15 23:39:35,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 23:39:35,467 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 23:39:35,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 23:39:35,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 23:39:35,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 23:39:35,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:39:35" (1/1) ... [2023-12-15 23:39:35,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6754b58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:39:35, skipping insertion in model container [2023-12-15 23:39:35,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:39:35" (1/1) ... [2023-12-15 23:39:35,655 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 23:39:36,334 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[69402,69415] [2023-12-15 23:39:36,450 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[100988,101001] [2023-12-15 23:39:36,504 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[116766,116779] [2023-12-15 23:39:36,519 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[124651,124664] [2023-12-15 23:39:36,529 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[128577,128590] [2023-12-15 23:39:36,538 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132299,132312] [2023-12-15 23:39:36,616 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[163377,163390] [2023-12-15 23:39:36,644 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[178940,178953] [2023-12-15 23:39:36,663 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[186820,186833] [2023-12-15 23:39:36,675 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[190741,190754] [2023-12-15 23:39:36,683 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[194458,194471] [2023-12-15 23:39:36,716 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[211203,211216] [2023-12-15 23:39:36,731 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[219083,219096] [2023-12-15 23:39:36,740 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[223004,223017] [2023-12-15 23:39:36,749 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[226721,226734] [2023-12-15 23:39:36,774 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231221,231234] [2023-12-15 23:39:36,781 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[234989,235002] [2023-12-15 23:39:36,788 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[238910,238923] [2023-12-15 23:39:36,795 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[242627,242640] [2023-12-15 23:39:36,804 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[246748,246761] [2023-12-15 23:39:36,810 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[250481,250494] [2023-12-15 23:39:36,818 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[254398,254411] [2023-12-15 23:39:36,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 23:39:36,869 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 23:39:37,096 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[69402,69415] [2023-12-15 23:39:37,141 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[100988,101001] [2023-12-15 23:39:37,163 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[116766,116779] [2023-12-15 23:39:37,175 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[124651,124664] [2023-12-15 23:39:37,182 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[128577,128590] [2023-12-15 23:39:37,188 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132299,132312] [2023-12-15 23:39:37,229 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[163377,163390] [2023-12-15 23:39:37,252 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[178940,178953] [2023-12-15 23:39:37,265 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[186820,186833] [2023-12-15 23:39:37,272 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[190741,190754] [2023-12-15 23:39:37,278 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[194458,194471] [2023-12-15 23:39:37,303 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[211203,211216] [2023-12-15 23:39:37,317 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[219083,219096] [2023-12-15 23:39:37,324 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[223004,223017] [2023-12-15 23:39:37,331 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[226721,226734] [2023-12-15 23:39:37,337 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231221,231234] [2023-12-15 23:39:37,344 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[234989,235002] [2023-12-15 23:39:37,352 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[238910,238923] [2023-12-15 23:39:37,358 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[242627,242640] [2023-12-15 23:39:37,365 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[246748,246761] [2023-12-15 23:39:37,371 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[250481,250494] [2023-12-15 23:39:37,377 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.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[254398,254411] [2023-12-15 23:39:37,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 23:39:37,422 INFO L206 MainTranslator]: Completed translation [2023-12-15 23:39:37,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:39:37 WrapperNode [2023-12-15 23:39:37,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 23:39:37,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 23:39:37,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 23:39:37,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 23:39:37,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:39:37" (1/1) ... [2023-12-15 23:39:37,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:39:37" (1/1) ... [2023-12-15 23:39:37,624 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12196 [2023-12-15 23:39:37,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 23:39:37,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 23:39:37,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 23:39:37,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 23:39:37,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:39:37" (1/1) ... [2023-12-15 23:39:37,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:39:37" (1/1) ... [2023-12-15 23:39:37,666 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:39:37" (1/1) ... [2023-12-15 23:39:37,786 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]. [2023-12-15 23:39:37,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:39:37" (1/1) ... [2023-12-15 23:39:37,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:39:37" (1/1) ... [2023-12-15 23:39:37,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:39:37" (1/1) ... [2023-12-15 23:39:37,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:39:37" (1/1) ... [2023-12-15 23:39:37,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:39:37" (1/1) ... [2023-12-15 23:39:38,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:39:37" (1/1) ... [2023-12-15 23:39:38,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 23:39:38,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 23:39:38,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 23:39:38,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 23:39:38,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:39:37" (1/1) ... [2023-12-15 23:39:38,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 23:39:38,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 23:39:38,135 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) [2023-12-15 23:39:38,145 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 [2023-12-15 23:39:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 23:39:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 23:39:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 23:39:38,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 23:39:38,413 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 23:39:38,414 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 23:39:41,834 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 23:39:41,894 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 23:39:41,894 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-15 23:39:41,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:39:41 BoogieIcfgContainer [2023-12-15 23:39:41,894 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 23:39:41,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 23:39:41,896 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 23:39:41,898 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 23:39:41,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:39:35" (1/3) ... [2023-12-15 23:39:41,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29be9999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:39:41, skipping insertion in model container [2023-12-15 23:39:41,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:39:37" (2/3) ... [2023-12-15 23:39:41,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29be9999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:39:41, skipping insertion in model container [2023-12-15 23:39:41,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:39:41" (3/3) ... [2023-12-15 23:39:41,899 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-12-15 23:39:41,911 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 23:39:41,911 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-12-15 23:39:41,961 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 23:39:41,966 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;@1a7998, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 23:39:41,966 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-12-15 23:39:41,975 INFO L276 IsEmpty]: Start isEmpty. Operand has 2346 states, 2323 states have (on average 1.8222126560482135) internal successors, (4233), 2345 states have internal predecessors, (4233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:41,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-15 23:39:41,994 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:41,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:41,995 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:41,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:41,999 INFO L85 PathProgramCache]: Analyzing trace with hash 474104121, now seen corresponding path program 1 times [2023-12-15 23:39:42,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:42,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722462828] [2023-12-15 23:39:42,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:42,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:42,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:42,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722462828] [2023-12-15 23:39:42,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722462828] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:42,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:42,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:39:42,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436296384] [2023-12-15 23:39:42,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:42,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:39:42,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:42,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:39:42,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:39:42,488 INFO L87 Difference]: Start difference. First operand has 2346 states, 2323 states have (on average 1.8222126560482135) internal successors, (4233), 2345 states have internal predecessors, (4233), 0 states have call successors, (0), 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 17.0) internal successors, (85), 4 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) [2023-12-15 23:39:43,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:43,688 INFO L93 Difference]: Finished difference Result 2799 states and 4973 transitions. [2023-12-15 23:39:43,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:39:43,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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 [2023-12-15 23:39:43,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:43,711 INFO L225 Difference]: With dead ends: 2799 [2023-12-15 23:39:43,711 INFO L226 Difference]: Without dead ends: 1620 [2023-12-15 23:39:43,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:39:43,743 INFO L413 NwaCegarLoop]: 1527 mSDtfsCounter, 8452 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8452 SdHoareTripleChecker+Valid, 1567 SdHoareTripleChecker+Invalid, 1357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:43,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8452 Valid, 1567 Invalid, 1357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-15 23:39:43,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2023-12-15 23:39:43,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1620. [2023-12-15 23:39:43,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 1598 states have (on average 1.3222778473091363) internal successors, (2113), 1619 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:43,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 2113 transitions. [2023-12-15 23:39:43,818 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 2113 transitions. Word has length 85 [2023-12-15 23:39:43,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:43,818 INFO L495 AbstractCegarLoop]: Abstraction has 1620 states and 2113 transitions. [2023-12-15 23:39:43,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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) [2023-12-15 23:39:43,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2113 transitions. [2023-12-15 23:39:43,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-15 23:39:43,822 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:43,823 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] [2023-12-15 23:39:43,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 23:39:43,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:43,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:43,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1379625602, now seen corresponding path program 1 times [2023-12-15 23:39:43,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:43,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290019941] [2023-12-15 23:39:43,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:43,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:44,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:44,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:44,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290019941] [2023-12-15 23:39:44,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290019941] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:44,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:44,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:39:44,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930871475] [2023-12-15 23:39:44,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:44,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:39:44,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:44,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:39:44,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:39:44,062 INFO L87 Difference]: Start difference. First operand 1620 states and 2113 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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) [2023-12-15 23:39:45,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:45,036 INFO L93 Difference]: Finished difference Result 2275 states and 2992 transitions. [2023-12-15 23:39:45,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:39:45,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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 [2023-12-15 23:39:45,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:45,042 INFO L225 Difference]: With dead ends: 2275 [2023-12-15 23:39:45,042 INFO L226 Difference]: Without dead ends: 1492 [2023-12-15 23:39:45,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:39:45,044 INFO L413 NwaCegarLoop]: 802 mSDtfsCounter, 5770 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5770 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:45,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5770 Valid, 846 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:39:45,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states. [2023-12-15 23:39:45,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1492. [2023-12-15 23:39:45,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1470 states have (on average 1.3387755102040817) internal successors, (1968), 1491 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 1968 transitions. [2023-12-15 23:39:45,068 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 1968 transitions. Word has length 85 [2023-12-15 23:39:45,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:45,069 INFO L495 AbstractCegarLoop]: Abstraction has 1492 states and 1968 transitions. [2023-12-15 23:39:45,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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) [2023-12-15 23:39:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1968 transitions. [2023-12-15 23:39:45,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-15 23:39:45,071 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:45,071 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] [2023-12-15 23:39:45,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 23:39:45,072 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:45,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:45,072 INFO L85 PathProgramCache]: Analyzing trace with hash -546397045, now seen corresponding path program 1 times [2023-12-15 23:39:45,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:45,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632470936] [2023-12-15 23:39:45,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:45,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:45,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:45,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:45,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632470936] [2023-12-15 23:39:45,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632470936] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:45,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:45,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:39:45,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210466685] [2023-12-15 23:39:45,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:45,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:39:45,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:45,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:39:45,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:39:45,182 INFO L87 Difference]: Start difference. First operand 1492 states and 1968 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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) [2023-12-15 23:39:45,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:45,932 INFO L93 Difference]: Finished difference Result 2019 states and 2670 transitions. [2023-12-15 23:39:45,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:39:45,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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 [2023-12-15 23:39:45,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:46,018 INFO L225 Difference]: With dead ends: 2019 [2023-12-15 23:39:46,019 INFO L226 Difference]: Without dead ends: 1252 [2023-12-15 23:39:46,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:39:46,021 INFO L413 NwaCegarLoop]: 764 mSDtfsCounter, 4945 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4945 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:46,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4945 Valid, 776 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:39:46,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2023-12-15 23:39:46,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1252. [2023-12-15 23:39:46,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1230 states have (on average 1.3585365853658538) internal successors, (1671), 1251 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) [2023-12-15 23:39:46,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 1671 transitions. [2023-12-15 23:39:46,040 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 1671 transitions. Word has length 85 [2023-12-15 23:39:46,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:46,041 INFO L495 AbstractCegarLoop]: Abstraction has 1252 states and 1671 transitions. [2023-12-15 23:39:46,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 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) [2023-12-15 23:39:46,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1671 transitions. [2023-12-15 23:39:46,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-15 23:39:46,043 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:46,043 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] [2023-12-15 23:39:46,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 23:39:46,043 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:46,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:46,045 INFO L85 PathProgramCache]: Analyzing trace with hash 828162727, now seen corresponding path program 1 times [2023-12-15 23:39:46,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:46,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783885253] [2023-12-15 23:39:46,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:46,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:46,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:46,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:46,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783885253] [2023-12-15 23:39:46,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783885253] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:46,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:46,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:39:46,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182232582] [2023-12-15 23:39:46,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:46,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:39:46,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:46,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:39:46,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:39:46,157 INFO L87 Difference]: Start difference. First operand 1252 states and 1671 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 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) [2023-12-15 23:39:46,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:46,920 INFO L93 Difference]: Finished difference Result 1818 states and 2439 transitions. [2023-12-15 23:39:46,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:39:46,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 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 [2023-12-15 23:39:46,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:46,924 INFO L225 Difference]: With dead ends: 1818 [2023-12-15 23:39:46,924 INFO L226 Difference]: Without dead ends: 1161 [2023-12-15 23:39:46,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:39:46,925 INFO L413 NwaCegarLoop]: 731 mSDtfsCounter, 4635 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4635 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:46,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4635 Valid, 735 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:39:46,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2023-12-15 23:39:46,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1161. [2023-12-15 23:39:46,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 1139 states have (on average 1.3722563652326603) internal successors, (1563), 1160 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:46,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1563 transitions. [2023-12-15 23:39:46,941 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1563 transitions. Word has length 86 [2023-12-15 23:39:46,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:46,941 INFO L495 AbstractCegarLoop]: Abstraction has 1161 states and 1563 transitions. [2023-12-15 23:39:46,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 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) [2023-12-15 23:39:46,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1563 transitions. [2023-12-15 23:39:46,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-15 23:39:46,943 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:46,943 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:46,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 23:39:46,943 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:46,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:46,944 INFO L85 PathProgramCache]: Analyzing trace with hash -379387896, now seen corresponding path program 1 times [2023-12-15 23:39:46,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:46,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189195868] [2023-12-15 23:39:46,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:46,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:47,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:47,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:47,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189195868] [2023-12-15 23:39:47,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189195868] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:47,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:47,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:39:47,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824491633] [2023-12-15 23:39:47,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:47,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:39:47,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:47,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:39:47,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:39:47,045 INFO L87 Difference]: Start difference. First operand 1161 states and 1563 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:47,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:47,568 INFO L93 Difference]: Finished difference Result 1480 states and 1959 transitions. [2023-12-15 23:39:47,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:39:47,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2023-12-15 23:39:47,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:47,572 INFO L225 Difference]: With dead ends: 1480 [2023-12-15 23:39:47,572 INFO L226 Difference]: Without dead ends: 896 [2023-12-15 23:39:47,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:39:47,574 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 3516 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3516 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:47,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3516 Valid, 590 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 23:39:47,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2023-12-15 23:39:47,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 896. [2023-12-15 23:39:47,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 874 states have (on average 1.3787185354691076) internal successors, (1205), 895 states have internal predecessors, (1205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1205 transitions. [2023-12-15 23:39:47,592 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1205 transitions. Word has length 87 [2023-12-15 23:39:47,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:47,595 INFO L495 AbstractCegarLoop]: Abstraction has 896 states and 1205 transitions. [2023-12-15 23:39:47,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:47,595 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1205 transitions. [2023-12-15 23:39:47,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-15 23:39:47,598 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:47,598 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] [2023-12-15 23:39:47,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-15 23:39:47,599 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:47,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:47,600 INFO L85 PathProgramCache]: Analyzing trace with hash -211366857, now seen corresponding path program 1 times [2023-12-15 23:39:47,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:47,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666560238] [2023-12-15 23:39:47,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:47,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:47,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:47,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666560238] [2023-12-15 23:39:47,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666560238] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:47,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:47,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 23:39:47,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298988941] [2023-12-15 23:39:47,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:47,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 23:39:47,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:47,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 23:39:47,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 23:39:47,733 INFO L87 Difference]: Start difference. First operand 896 states and 1205 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 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) [2023-12-15 23:39:48,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:48,072 INFO L93 Difference]: Finished difference Result 1085 states and 1422 transitions. [2023-12-15 23:39:48,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 23:39:48,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 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 [2023-12-15 23:39:48,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:48,074 INFO L225 Difference]: With dead ends: 1085 [2023-12-15 23:39:48,075 INFO L226 Difference]: Without dead ends: 637 [2023-12-15 23:39:48,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:39:48,076 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 2443 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2443 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:48,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2443 Valid, 468 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 23:39:48,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2023-12-15 23:39:48,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2023-12-15 23:39:48,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.383739837398374) internal successors, (851), 636 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:48,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 851 transitions. [2023-12-15 23:39:48,083 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 851 transitions. Word has length 88 [2023-12-15 23:39:48,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:48,083 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 851 transitions. [2023-12-15 23:39:48,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 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) [2023-12-15 23:39:48,083 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 851 transitions. [2023-12-15 23:39:48,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-15 23:39:48,087 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:48,088 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] [2023-12-15 23:39:48,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 23:39:48,088 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:48,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:48,089 INFO L85 PathProgramCache]: Analyzing trace with hash 328508839, now seen corresponding path program 1 times [2023-12-15 23:39:48,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:48,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096532196] [2023-12-15 23:39:48,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:48,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:48,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:48,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:48,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096532196] [2023-12-15 23:39:48,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096532196] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:48,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:48,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-15 23:39:48,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962386180] [2023-12-15 23:39:48,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:48,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 23:39:48,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:48,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 23:39:48,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:39:48,511 INFO L87 Difference]: Start difference. First operand 637 states and 851 transitions. Second operand has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 10 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) [2023-12-15 23:39:50,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:50,012 INFO L93 Difference]: Finished difference Result 1253 states and 1694 transitions. [2023-12-15 23:39:50,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-15 23:39:50,013 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 10 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 [2023-12-15 23:39:50,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:50,015 INFO L225 Difference]: With dead ends: 1253 [2023-12-15 23:39:50,015 INFO L226 Difference]: Without dead ends: 1167 [2023-12-15 23:39:50,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2023-12-15 23:39:50,017 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 2627 mSDsluCounter, 2985 mSDsCounter, 0 mSdLazyCounter, 3042 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2627 SdHoareTripleChecker+Valid, 3501 SdHoareTripleChecker+Invalid, 3050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 3042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:50,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2627 Valid, 3501 Invalid, 3050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 3042 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-15 23:39:50,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2023-12-15 23:39:50,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 650. [2023-12-15 23:39:50,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3853503184713376) internal successors, (870), 649 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:50,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 870 transitions. [2023-12-15 23:39:50,030 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 870 transitions. Word has length 89 [2023-12-15 23:39:50,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:50,031 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 870 transitions. [2023-12-15 23:39:50,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 10 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) [2023-12-15 23:39:50,031 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 870 transitions. [2023-12-15 23:39:50,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-15 23:39:50,032 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:50,032 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] [2023-12-15 23:39:50,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-15 23:39:50,033 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:50,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:50,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1518979119, now seen corresponding path program 1 times [2023-12-15 23:39:50,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:50,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140871829] [2023-12-15 23:39:50,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:50,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:50,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:50,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:50,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140871829] [2023-12-15 23:39:50,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140871829] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:50,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:50,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:50,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248488641] [2023-12-15 23:39:50,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:50,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:50,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:50,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:50,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:50,296 INFO L87 Difference]: Start difference. First operand 650 states and 870 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:51,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:51,283 INFO L93 Difference]: Finished difference Result 1328 states and 1813 transitions. [2023-12-15 23:39:51,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:51,284 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2023-12-15 23:39:51,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:51,287 INFO L225 Difference]: With dead ends: 1328 [2023-12-15 23:39:51,287 INFO L226 Difference]: Without dead ends: 1136 [2023-12-15 23:39:51,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:51,288 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 3159 mSDsluCounter, 2267 mSDsCounter, 0 mSdLazyCounter, 2223 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3159 SdHoareTripleChecker+Valid, 2788 SdHoareTripleChecker+Invalid, 2227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:51,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3159 Valid, 2788 Invalid, 2227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2223 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:39:51,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2023-12-15 23:39:51,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 637. [2023-12-15 23:39:51,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3821138211382114) internal successors, (850), 636 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 850 transitions. [2023-12-15 23:39:51,313 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 850 transitions. Word has length 89 [2023-12-15 23:39:51,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:51,313 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 850 transitions. [2023-12-15 23:39:51,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:51,314 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 850 transitions. [2023-12-15 23:39:51,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-15 23:39:51,314 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:51,315 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] [2023-12-15 23:39:51,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-15 23:39:51,315 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:51,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:51,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1669555108, now seen corresponding path program 1 times [2023-12-15 23:39:51,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:51,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124606874] [2023-12-15 23:39:51,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:51,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:51,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:51,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:51,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124606874] [2023-12-15 23:39:51,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124606874] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:51,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:51,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:51,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186644281] [2023-12-15 23:39:51,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:51,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:51,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:51,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:51,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:51,644 INFO L87 Difference]: Start difference. First operand 637 states and 850 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:52,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:52,849 INFO L93 Difference]: Finished difference Result 1255 states and 1717 transitions. [2023-12-15 23:39:52,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:52,849 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2023-12-15 23:39:52,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:52,852 INFO L225 Difference]: With dead ends: 1255 [2023-12-15 23:39:52,852 INFO L226 Difference]: Without dead ends: 1131 [2023-12-15 23:39:52,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:52,853 INFO L413 NwaCegarLoop]: 679 mSDtfsCounter, 2985 mSDsluCounter, 2644 mSDsCounter, 0 mSdLazyCounter, 2489 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2985 SdHoareTripleChecker+Valid, 3323 SdHoareTripleChecker+Invalid, 2493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:52,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2985 Valid, 3323 Invalid, 2493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2489 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 23:39:52,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2023-12-15 23:39:52,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 637. [2023-12-15 23:39:52,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3804878048780487) internal successors, (849), 636 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:52,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 849 transitions. [2023-12-15 23:39:52,875 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 849 transitions. Word has length 89 [2023-12-15 23:39:52,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:52,875 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 849 transitions. [2023-12-15 23:39:52,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:52,876 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 849 transitions. [2023-12-15 23:39:52,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-15 23:39:52,877 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:52,877 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] [2023-12-15 23:39:52,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 23:39:52,877 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:52,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:52,878 INFO L85 PathProgramCache]: Analyzing trace with hash 231777635, now seen corresponding path program 1 times [2023-12-15 23:39:52,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:52,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571828774] [2023-12-15 23:39:52,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:52,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:53,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:53,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:53,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571828774] [2023-12-15 23:39:53,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571828774] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:53,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:53,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 23:39:53,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436554578] [2023-12-15 23:39:53,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:53,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 23:39:53,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:53,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 23:39:53,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-15 23:39:53,148 INFO L87 Difference]: Start difference. First operand 637 states and 849 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 6 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) [2023-12-15 23:39:53,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:53,814 INFO L93 Difference]: Finished difference Result 1200 states and 1559 transitions. [2023-12-15 23:39:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-15 23:39:53,815 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 6 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 [2023-12-15 23:39:53,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:53,818 INFO L225 Difference]: With dead ends: 1200 [2023-12-15 23:39:53,818 INFO L226 Difference]: Without dead ends: 854 [2023-12-15 23:39:53,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-12-15 23:39:53,819 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 3336 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3336 SdHoareTripleChecker+Valid, 1028 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:53,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3336 Valid, 1028 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1072 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:39:53,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2023-12-15 23:39:53,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 637. [2023-12-15 23:39:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3788617886178862) internal successors, (848), 636 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:53,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 848 transitions. [2023-12-15 23:39:53,832 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 848 transitions. Word has length 89 [2023-12-15 23:39:53,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:53,832 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 848 transitions. [2023-12-15 23:39:53,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 6 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) [2023-12-15 23:39:53,833 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 848 transitions. [2023-12-15 23:39:53,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-15 23:39:53,834 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:53,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:53,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-15 23:39:53,834 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:53,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:53,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1427714440, now seen corresponding path program 1 times [2023-12-15 23:39:53,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:53,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669007131] [2023-12-15 23:39:53,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:53,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:54,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:54,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669007131] [2023-12-15 23:39:54,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669007131] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:54,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:54,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:54,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133878587] [2023-12-15 23:39:54,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:54,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:54,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:54,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:54,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:54,102 INFO L87 Difference]: Start difference. First operand 637 states and 848 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:55,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:55,032 INFO L93 Difference]: Finished difference Result 1194 states and 1614 transitions. [2023-12-15 23:39:55,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:39:55,033 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-15 23:39:55,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:55,035 INFO L225 Difference]: With dead ends: 1194 [2023-12-15 23:39:55,035 INFO L226 Difference]: Without dead ends: 1108 [2023-12-15 23:39:55,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:39:55,044 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 3750 mSDsluCounter, 1703 mSDsCounter, 0 mSdLazyCounter, 1828 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3750 SdHoareTripleChecker+Valid, 2226 SdHoareTripleChecker+Invalid, 1832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:55,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3750 Valid, 2226 Invalid, 1832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1828 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 23:39:55,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2023-12-15 23:39:55,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 637. [2023-12-15 23:39:55,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3772357723577235) internal successors, (847), 636 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:55,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 847 transitions. [2023-12-15 23:39:55,053 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 847 transitions. Word has length 91 [2023-12-15 23:39:55,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:55,054 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 847 transitions. [2023-12-15 23:39:55,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:55,054 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 847 transitions. [2023-12-15 23:39:55,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-15 23:39:55,055 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:55,055 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:55,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-15 23:39:55,055 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:55,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:55,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1221078273, now seen corresponding path program 1 times [2023-12-15 23:39:55,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:55,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72921657] [2023-12-15 23:39:55,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:55,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:55,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:55,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:55,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72921657] [2023-12-15 23:39:55,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72921657] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:55,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:55,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:55,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134687098] [2023-12-15 23:39:55,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:55,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:55,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:55,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:55,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:55,248 INFO L87 Difference]: Start difference. First operand 637 states and 847 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:56,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:56,079 INFO L93 Difference]: Finished difference Result 1081 states and 1437 transitions. [2023-12-15 23:39:56,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:39:56,080 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-15 23:39:56,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:56,082 INFO L225 Difference]: With dead ends: 1081 [2023-12-15 23:39:56,082 INFO L226 Difference]: Without dead ends: 1076 [2023-12-15 23:39:56,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:39:56,083 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 3681 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 1828 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3681 SdHoareTripleChecker+Valid, 2140 SdHoareTripleChecker+Invalid, 1832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:56,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3681 Valid, 2140 Invalid, 1832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1828 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:39:56,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2023-12-15 23:39:56,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 637. [2023-12-15 23:39:56,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3756097560975609) internal successors, (846), 636 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:56,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 846 transitions. [2023-12-15 23:39:56,092 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 846 transitions. Word has length 91 [2023-12-15 23:39:56,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:56,092 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 846 transitions. [2023-12-15 23:39:56,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:56,092 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 846 transitions. [2023-12-15 23:39:56,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-15 23:39:56,095 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:56,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:56,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-15 23:39:56,095 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:56,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:56,096 INFO L85 PathProgramCache]: Analyzing trace with hash 207011855, now seen corresponding path program 1 times [2023-12-15 23:39:56,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:56,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005541863] [2023-12-15 23:39:56,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:56,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:56,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:56,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:56,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005541863] [2023-12-15 23:39:56,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005541863] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:56,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:56,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:56,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565713043] [2023-12-15 23:39:56,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:56,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:56,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:56,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:56,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:56,448 INFO L87 Difference]: Start difference. First operand 637 states and 846 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:57,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:57,609 INFO L93 Difference]: Finished difference Result 1269 states and 1723 transitions. [2023-12-15 23:39:57,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:39:57,609 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-15 23:39:57,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:57,612 INFO L225 Difference]: With dead ends: 1269 [2023-12-15 23:39:57,612 INFO L226 Difference]: Without dead ends: 1131 [2023-12-15 23:39:57,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:39:57,614 INFO L413 NwaCegarLoop]: 695 mSDtfsCounter, 2938 mSDsluCounter, 2663 mSDsCounter, 0 mSdLazyCounter, 2472 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2938 SdHoareTripleChecker+Valid, 3358 SdHoareTripleChecker+Invalid, 2476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:57,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2938 Valid, 3358 Invalid, 2476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2472 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 23:39:57,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2023-12-15 23:39:57,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 637. [2023-12-15 23:39:57,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3739837398373984) internal successors, (845), 636 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:57,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 845 transitions. [2023-12-15 23:39:57,622 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 845 transitions. Word has length 91 [2023-12-15 23:39:57,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:57,622 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 845 transitions. [2023-12-15 23:39:57,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:57,622 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 845 transitions. [2023-12-15 23:39:57,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-15 23:39:57,623 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:57,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:57,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-15 23:39:57,623 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:57,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:57,624 INFO L85 PathProgramCache]: Analyzing trace with hash -982216986, now seen corresponding path program 1 times [2023-12-15 23:39:57,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:57,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873875248] [2023-12-15 23:39:57,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:57,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:57,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:57,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:57,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873875248] [2023-12-15 23:39:57,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873875248] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:57,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:57,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-15 23:39:57,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467246807] [2023-12-15 23:39:57,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:57,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 23:39:57,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:57,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 23:39:57,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:39:57,893 INFO L87 Difference]: Start difference. First operand 637 states and 845 transitions. Second operand has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:59,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:39:59,025 INFO L93 Difference]: Finished difference Result 1268 states and 1699 transitions. [2023-12-15 23:39:59,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-15 23:39:59,025 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-15 23:39:59,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:39:59,046 INFO L225 Difference]: With dead ends: 1268 [2023-12-15 23:39:59,046 INFO L226 Difference]: Without dead ends: 1177 [2023-12-15 23:39:59,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2023-12-15 23:39:59,047 INFO L413 NwaCegarLoop]: 486 mSDtfsCounter, 4435 mSDsluCounter, 2355 mSDsCounter, 0 mSdLazyCounter, 2315 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4435 SdHoareTripleChecker+Valid, 2841 SdHoareTripleChecker+Invalid, 2329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:39:59,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4435 Valid, 2841 Invalid, 2329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2315 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:39:59,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2023-12-15 23:39:59,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 650. [2023-12-15 23:39:59,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.375796178343949) internal successors, (864), 649 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:59,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 864 transitions. [2023-12-15 23:39:59,056 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 864 transitions. Word has length 91 [2023-12-15 23:39:59,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:39:59,056 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 864 transitions. [2023-12-15 23:39:59,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:39:59,056 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 864 transitions. [2023-12-15 23:39:59,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-15 23:39:59,057 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:39:59,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:39:59,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-15 23:39:59,058 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:39:59,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:39:59,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1680995533, now seen corresponding path program 1 times [2023-12-15 23:39:59,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:39:59,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065083865] [2023-12-15 23:39:59,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:39:59,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:39:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:39:59,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:39:59,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:39:59,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065083865] [2023-12-15 23:39:59,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065083865] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:39:59,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:39:59,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:39:59,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950133490] [2023-12-15 23:39:59,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:39:59,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:39:59,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:39:59,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:39:59,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:39:59,310 INFO L87 Difference]: Start difference. First operand 650 states and 864 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:00,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:00,407 INFO L93 Difference]: Finished difference Result 1358 states and 1831 transitions. [2023-12-15 23:40:00,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:00,407 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-15 23:40:00,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:00,410 INFO L225 Difference]: With dead ends: 1358 [2023-12-15 23:40:00,410 INFO L226 Difference]: Without dead ends: 1136 [2023-12-15 23:40:00,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:40:00,411 INFO L413 NwaCegarLoop]: 799 mSDtfsCounter, 2403 mSDsluCounter, 2056 mSDsCounter, 0 mSdLazyCounter, 2255 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2403 SdHoareTripleChecker+Valid, 2855 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:00,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2403 Valid, 2855 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2255 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:40:00,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2023-12-15 23:40:00,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 637. [2023-12-15 23:40:00,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3723577235772357) internal successors, (844), 636 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:00,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 844 transitions. [2023-12-15 23:40:00,421 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 844 transitions. Word has length 91 [2023-12-15 23:40:00,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:00,422 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 844 transitions. [2023-12-15 23:40:00,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:00,422 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 844 transitions. [2023-12-15 23:40:00,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-15 23:40:00,423 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:00,423 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:00,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-15 23:40:00,423 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:00,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:00,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1988895487, now seen corresponding path program 1 times [2023-12-15 23:40:00,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:00,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668897121] [2023-12-15 23:40:00,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:00,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:00,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:00,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:00,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668897121] [2023-12-15 23:40:00,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668897121] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:00,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:00,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:00,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532347234] [2023-12-15 23:40:00,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:00,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:00,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:00,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:00,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:00,671 INFO L87 Difference]: Start difference. First operand 637 states and 844 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:01,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:01,613 INFO L93 Difference]: Finished difference Result 1194 states and 1609 transitions. [2023-12-15 23:40:01,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:01,613 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-15 23:40:01,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:01,616 INFO L225 Difference]: With dead ends: 1194 [2023-12-15 23:40:01,616 INFO L226 Difference]: Without dead ends: 1108 [2023-12-15 23:40:01,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:40:01,617 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 3734 mSDsluCounter, 1703 mSDsCounter, 0 mSdLazyCounter, 1813 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3734 SdHoareTripleChecker+Valid, 2226 SdHoareTripleChecker+Invalid, 1817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:01,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3734 Valid, 2226 Invalid, 1817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1813 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 23:40:01,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2023-12-15 23:40:01,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 637. [2023-12-15 23:40:01,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3707317073170733) internal successors, (843), 636 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:01,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 843 transitions. [2023-12-15 23:40:01,625 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 843 transitions. Word has length 91 [2023-12-15 23:40:01,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:01,625 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 843 transitions. [2023-12-15 23:40:01,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:01,625 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 843 transitions. [2023-12-15 23:40:01,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-15 23:40:01,626 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:01,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:01,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-15 23:40:01,627 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:01,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:01,627 INFO L85 PathProgramCache]: Analyzing trace with hash 646324256, now seen corresponding path program 1 times [2023-12-15 23:40:01,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:01,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510963357] [2023-12-15 23:40:01,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:01,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:01,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:01,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:01,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510963357] [2023-12-15 23:40:01,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510963357] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:01,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:01,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:01,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360402587] [2023-12-15 23:40:01,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:01,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:01,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:01,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:01,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:01,817 INFO L87 Difference]: Start difference. First operand 637 states and 843 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:02,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:02,492 INFO L93 Difference]: Finished difference Result 1190 states and 1604 transitions. [2023-12-15 23:40:02,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:02,493 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-15 23:40:02,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:02,496 INFO L225 Difference]: With dead ends: 1190 [2023-12-15 23:40:02,496 INFO L226 Difference]: Without dead ends: 1108 [2023-12-15 23:40:02,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:40:02,496 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 2528 mSDsluCounter, 1670 mSDsCounter, 0 mSdLazyCounter, 1805 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2528 SdHoareTripleChecker+Valid, 2181 SdHoareTripleChecker+Invalid, 1809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:02,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2528 Valid, 2181 Invalid, 1809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1805 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:40:02,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2023-12-15 23:40:02,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 637. [2023-12-15 23:40:02,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3691056910569106) internal successors, (842), 636 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:02,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 842 transitions. [2023-12-15 23:40:02,503 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 842 transitions. Word has length 91 [2023-12-15 23:40:02,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:02,504 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 842 transitions. [2023-12-15 23:40:02,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:02,504 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 842 transitions. [2023-12-15 23:40:02,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-15 23:40:02,505 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:02,505 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:02,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-15 23:40:02,505 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:02,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:02,505 INFO L85 PathProgramCache]: Analyzing trace with hash 850721804, now seen corresponding path program 1 times [2023-12-15 23:40:02,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:02,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216459171] [2023-12-15 23:40:02,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:02,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:02,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:02,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:02,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216459171] [2023-12-15 23:40:02,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216459171] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:02,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:02,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:02,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191832137] [2023-12-15 23:40:02,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:02,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:02,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:02,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:02,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:02,681 INFO L87 Difference]: Start difference. First operand 637 states and 842 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:03,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:03,507 INFO L93 Difference]: Finished difference Result 1194 states and 1606 transitions. [2023-12-15 23:40:03,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:03,507 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-15 23:40:03,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:03,516 INFO L225 Difference]: With dead ends: 1194 [2023-12-15 23:40:03,516 INFO L226 Difference]: Without dead ends: 1108 [2023-12-15 23:40:03,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:40:03,517 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 3726 mSDsluCounter, 1701 mSDsCounter, 0 mSdLazyCounter, 1804 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3726 SdHoareTripleChecker+Valid, 2224 SdHoareTripleChecker+Invalid, 1808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:03,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3726 Valid, 2224 Invalid, 1808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1804 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:40:03,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2023-12-15 23:40:03,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 637. [2023-12-15 23:40:03,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.367479674796748) internal successors, (841), 636 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:03,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 841 transitions. [2023-12-15 23:40:03,554 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 841 transitions. Word has length 91 [2023-12-15 23:40:03,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:03,554 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 841 transitions. [2023-12-15 23:40:03,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 841 transitions. [2023-12-15 23:40:03,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-15 23:40:03,556 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:03,556 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:03,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-15 23:40:03,556 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:03,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:03,558 INFO L85 PathProgramCache]: Analyzing trace with hash 2041192084, now seen corresponding path program 1 times [2023-12-15 23:40:03,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:03,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739382942] [2023-12-15 23:40:03,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:03,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:04,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:04,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:04,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739382942] [2023-12-15 23:40:04,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739382942] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:04,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:04,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-15 23:40:04,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404252570] [2023-12-15 23:40:04,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:04,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 23:40:04,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:04,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 23:40:04,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:40:04,058 INFO L87 Difference]: Start difference. First operand 637 states and 841 transitions. Second operand has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:06,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:06,093 INFO L93 Difference]: Finished difference Result 1937 states and 2697 transitions. [2023-12-15 23:40:06,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-15 23:40:06,093 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2023-12-15 23:40:06,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:06,098 INFO L225 Difference]: With dead ends: 1937 [2023-12-15 23:40:06,098 INFO L226 Difference]: Without dead ends: 1799 [2023-12-15 23:40:06,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-15 23:40:06,099 INFO L413 NwaCegarLoop]: 1092 mSDtfsCounter, 5765 mSDsluCounter, 4011 mSDsCounter, 0 mSdLazyCounter, 4270 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5765 SdHoareTripleChecker+Valid, 5103 SdHoareTripleChecker+Invalid, 4473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 4270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:06,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5765 Valid, 5103 Invalid, 4473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 4270 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-15 23:40:06,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2023-12-15 23:40:06,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 641. [2023-12-15 23:40:06,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3651050080775444) internal successors, (845), 640 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:06,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 845 transitions. [2023-12-15 23:40:06,107 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 845 transitions. Word has length 91 [2023-12-15 23:40:06,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:06,107 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 845 transitions. [2023-12-15 23:40:06,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.272727272727273) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:06,108 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 845 transitions. [2023-12-15 23:40:06,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-15 23:40:06,109 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:06,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:06,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-15 23:40:06,109 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:06,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:06,110 INFO L85 PathProgramCache]: Analyzing trace with hash 119251772, now seen corresponding path program 1 times [2023-12-15 23:40:06,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:06,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545697881] [2023-12-15 23:40:06,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:06,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:06,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:06,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:06,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545697881] [2023-12-15 23:40:06,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545697881] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:06,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:06,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:06,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745210819] [2023-12-15 23:40:06,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:06,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:06,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:06,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:06,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:06,260 INFO L87 Difference]: Start difference. First operand 641 states and 845 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:07,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:07,101 INFO L93 Difference]: Finished difference Result 1269 states and 1720 transitions. [2023-12-15 23:40:07,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:07,102 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2023-12-15 23:40:07,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:07,105 INFO L225 Difference]: With dead ends: 1269 [2023-12-15 23:40:07,105 INFO L226 Difference]: Without dead ends: 1131 [2023-12-15 23:40:07,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:40:07,114 INFO L413 NwaCegarLoop]: 847 mSDtfsCounter, 2885 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 2609 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2885 SdHoareTripleChecker+Valid, 3320 SdHoareTripleChecker+Invalid, 2612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:07,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2885 Valid, 3320 Invalid, 2612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2609 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:40:07,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2023-12-15 23:40:07,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 637. [2023-12-15 23:40:07,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3658536585365855) internal successors, (840), 636 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:07,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 840 transitions. [2023-12-15 23:40:07,138 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 840 transitions. Word has length 92 [2023-12-15 23:40:07,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:07,138 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 840 transitions. [2023-12-15 23:40:07,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:07,138 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 840 transitions. [2023-12-15 23:40:07,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 23:40:07,139 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:07,139 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:07,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-15 23:40:07,140 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:07,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:07,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1474627327, now seen corresponding path program 1 times [2023-12-15 23:40:07,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:07,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259413175] [2023-12-15 23:40:07,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:07,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:07,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:07,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:07,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259413175] [2023-12-15 23:40:07,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259413175] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:07,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:07,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:07,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212840737] [2023-12-15 23:40:07,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:07,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:07,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:07,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:07,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:07,314 INFO L87 Difference]: Start difference. First operand 637 states and 840 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:08,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:08,184 INFO L93 Difference]: Finished difference Result 1199 states and 1607 transitions. [2023-12-15 23:40:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:08,184 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-15 23:40:08,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:08,187 INFO L225 Difference]: With dead ends: 1199 [2023-12-15 23:40:08,187 INFO L226 Difference]: Without dead ends: 1108 [2023-12-15 23:40:08,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:40:08,188 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 4198 mSDsluCounter, 1555 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4198 SdHoareTripleChecker+Valid, 2031 SdHoareTripleChecker+Invalid, 1613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:08,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4198 Valid, 2031 Invalid, 1613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1607 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:40:08,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2023-12-15 23:40:08,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 637. [2023-12-15 23:40:08,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3642276422764228) internal successors, (839), 636 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 839 transitions. [2023-12-15 23:40:08,198 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 839 transitions. Word has length 93 [2023-12-15 23:40:08,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:08,198 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 839 transitions. [2023-12-15 23:40:08,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:08,198 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 839 transitions. [2023-12-15 23:40:08,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 23:40:08,199 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:08,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:08,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-15 23:40:08,200 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:08,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:08,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1188585192, now seen corresponding path program 1 times [2023-12-15 23:40:08,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:08,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506551104] [2023-12-15 23:40:08,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:08,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:08,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:08,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:08,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506551104] [2023-12-15 23:40:08,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506551104] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:08,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:08,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:08,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86749279] [2023-12-15 23:40:08,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:08,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:08,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:08,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:08,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:08,522 INFO L87 Difference]: Start difference. First operand 637 states and 839 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:09,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:09,574 INFO L93 Difference]: Finished difference Result 1232 states and 1658 transitions. [2023-12-15 23:40:09,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:40:09,576 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-15 23:40:09,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:09,579 INFO L225 Difference]: With dead ends: 1232 [2023-12-15 23:40:09,579 INFO L226 Difference]: Without dead ends: 1124 [2023-12-15 23:40:09,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:40:09,579 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 2215 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 2184 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2215 SdHoareTripleChecker+Valid, 3066 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:09,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2215 Valid, 3066 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2184 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:40:09,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2023-12-15 23:40:09,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 637. [2023-12-15 23:40:09,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3626016260162601) internal successors, (838), 636 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:09,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 838 transitions. [2023-12-15 23:40:09,588 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 838 transitions. Word has length 93 [2023-12-15 23:40:09,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:09,588 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 838 transitions. [2023-12-15 23:40:09,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:09,588 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 838 transitions. [2023-12-15 23:40:09,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 23:40:09,589 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:09,589 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:09,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-15 23:40:09,589 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:09,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:09,590 INFO L85 PathProgramCache]: Analyzing trace with hash -281811597, now seen corresponding path program 1 times [2023-12-15 23:40:09,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:09,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37741894] [2023-12-15 23:40:09,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:09,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:09,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:09,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37741894] [2023-12-15 23:40:09,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37741894] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:09,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:09,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:09,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684143983] [2023-12-15 23:40:09,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:09,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:09,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:09,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:09,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:09,754 INFO L87 Difference]: Start difference. First operand 637 states and 838 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:10,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:10,712 INFO L93 Difference]: Finished difference Result 1155 states and 1538 transitions. [2023-12-15 23:40:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:10,713 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-15 23:40:10,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:10,715 INFO L225 Difference]: With dead ends: 1155 [2023-12-15 23:40:10,715 INFO L226 Difference]: Without dead ends: 1076 [2023-12-15 23:40:10,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:40:10,716 INFO L413 NwaCegarLoop]: 550 mSDtfsCounter, 3522 mSDsluCounter, 1729 mSDsCounter, 0 mSdLazyCounter, 1891 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3522 SdHoareTripleChecker+Valid, 2279 SdHoareTripleChecker+Invalid, 1895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:10,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3522 Valid, 2279 Invalid, 1895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1891 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 23:40:10,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2023-12-15 23:40:10,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 637. [2023-12-15 23:40:10,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3609756097560977) internal successors, (837), 636 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:10,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 837 transitions. [2023-12-15 23:40:10,728 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 837 transitions. Word has length 93 [2023-12-15 23:40:10,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:10,728 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 837 transitions. [2023-12-15 23:40:10,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:10,729 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 837 transitions. [2023-12-15 23:40:10,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 23:40:10,730 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:10,730 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:10,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-15 23:40:10,730 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:10,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:10,730 INFO L85 PathProgramCache]: Analyzing trace with hash -610424553, now seen corresponding path program 1 times [2023-12-15 23:40:10,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:10,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592921207] [2023-12-15 23:40:10,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:10,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:11,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:11,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:11,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592921207] [2023-12-15 23:40:11,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592921207] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:11,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:11,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-15 23:40:11,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109025115] [2023-12-15 23:40:11,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:11,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-15 23:40:11,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:11,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-15 23:40:11,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-15 23:40:11,033 INFO L87 Difference]: Start difference. First operand 637 states and 837 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:13,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:13,231 INFO L93 Difference]: Finished difference Result 1967 states and 2715 transitions. [2023-12-15 23:40:13,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-15 23:40:13,232 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-15 23:40:13,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:13,249 INFO L225 Difference]: With dead ends: 1967 [2023-12-15 23:40:13,249 INFO L226 Difference]: Without dead ends: 1814 [2023-12-15 23:40:13,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-15 23:40:13,251 INFO L413 NwaCegarLoop]: 1104 mSDtfsCounter, 5795 mSDsluCounter, 3535 mSDsCounter, 0 mSdLazyCounter, 3872 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5795 SdHoareTripleChecker+Valid, 4639 SdHoareTripleChecker+Invalid, 4076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 3872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:13,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5795 Valid, 4639 Invalid, 4076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 3872 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-15 23:40:13,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2023-12-15 23:40:13,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 641. [2023-12-15 23:40:13,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.358642972536349) internal successors, (841), 640 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:13,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 841 transitions. [2023-12-15 23:40:13,262 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 841 transitions. Word has length 93 [2023-12-15 23:40:13,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:13,262 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 841 transitions. [2023-12-15 23:40:13,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:13,263 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 841 transitions. [2023-12-15 23:40:13,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 23:40:13,264 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:13,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:13,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-15 23:40:13,264 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:13,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:13,265 INFO L85 PathProgramCache]: Analyzing trace with hash -603748374, now seen corresponding path program 1 times [2023-12-15 23:40:13,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:13,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387601853] [2023-12-15 23:40:13,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:13,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:13,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:13,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:13,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387601853] [2023-12-15 23:40:13,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387601853] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:13,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:13,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:13,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525764325] [2023-12-15 23:40:13,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:13,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:13,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:13,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:13,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:13,510 INFO L87 Difference]: Start difference. First operand 641 states and 841 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:14,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:14,160 INFO L93 Difference]: Finished difference Result 1129 states and 1496 transitions. [2023-12-15 23:40:14,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:14,160 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-15 23:40:14,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:14,162 INFO L225 Difference]: With dead ends: 1129 [2023-12-15 23:40:14,162 INFO L226 Difference]: Without dead ends: 1112 [2023-12-15 23:40:14,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:40:14,163 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 3633 mSDsluCounter, 1774 mSDsCounter, 0 mSdLazyCounter, 1842 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3633 SdHoareTripleChecker+Valid, 2323 SdHoareTripleChecker+Invalid, 1846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:14,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3633 Valid, 2323 Invalid, 1846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1842 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:40:14,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2023-12-15 23:40:14,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 641. [2023-12-15 23:40:14,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.35702746365105) internal successors, (840), 640 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:14,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 840 transitions. [2023-12-15 23:40:14,169 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 840 transitions. Word has length 93 [2023-12-15 23:40:14,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:14,169 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 840 transitions. [2023-12-15 23:40:14,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:14,169 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 840 transitions. [2023-12-15 23:40:14,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 23:40:14,196 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:14,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:14,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-15 23:40:14,196 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:14,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:14,197 INFO L85 PathProgramCache]: Analyzing trace with hash 2059464145, now seen corresponding path program 1 times [2023-12-15 23:40:14,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:14,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205473077] [2023-12-15 23:40:14,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:14,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:14,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:14,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:14,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205473077] [2023-12-15 23:40:14,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205473077] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:14,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:14,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:14,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112497090] [2023-12-15 23:40:14,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:14,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:14,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:14,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:14,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:14,347 INFO L87 Difference]: Start difference. First operand 641 states and 840 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:15,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:15,095 INFO L93 Difference]: Finished difference Result 1236 states and 1656 transitions. [2023-12-15 23:40:15,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:40:15,095 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-15 23:40:15,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:15,097 INFO L225 Difference]: With dead ends: 1236 [2023-12-15 23:40:15,097 INFO L226 Difference]: Without dead ends: 1128 [2023-12-15 23:40:15,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:40:15,098 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 1910 mSDsluCounter, 2519 mSDsCounter, 0 mSdLazyCounter, 2459 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1910 SdHoareTripleChecker+Valid, 3309 SdHoareTripleChecker+Invalid, 2463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:15,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1910 Valid, 3309 Invalid, 2463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2459 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:40:15,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2023-12-15 23:40:15,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 641. [2023-12-15 23:40:15,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3554119547657513) internal successors, (839), 640 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:15,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 839 transitions. [2023-12-15 23:40:15,105 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 839 transitions. Word has length 93 [2023-12-15 23:40:15,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:15,105 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 839 transitions. [2023-12-15 23:40:15,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:15,105 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 839 transitions. [2023-12-15 23:40:15,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 23:40:15,106 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:15,106 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:15,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-15 23:40:15,106 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:15,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:15,107 INFO L85 PathProgramCache]: Analyzing trace with hash 413378925, now seen corresponding path program 1 times [2023-12-15 23:40:15,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:15,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908017290] [2023-12-15 23:40:15,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:15,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:15,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:15,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:15,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908017290] [2023-12-15 23:40:15,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908017290] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:15,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:15,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:15,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360219546] [2023-12-15 23:40:15,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:15,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:15,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:15,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:15,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:15,266 INFO L87 Difference]: Start difference. First operand 641 states and 839 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:16,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:16,016 INFO L93 Difference]: Finished difference Result 1227 states and 1647 transitions. [2023-12-15 23:40:16,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:40:16,016 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-15 23:40:16,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:16,018 INFO L225 Difference]: With dead ends: 1227 [2023-12-15 23:40:16,018 INFO L226 Difference]: Without dead ends: 1128 [2023-12-15 23:40:16,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:40:16,019 INFO L413 NwaCegarLoop]: 706 mSDtfsCounter, 3076 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 1970 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3076 SdHoareTripleChecker+Valid, 2795 SdHoareTripleChecker+Invalid, 1974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:16,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3076 Valid, 2795 Invalid, 1974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1970 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:40:16,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2023-12-15 23:40:16,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 641. [2023-12-15 23:40:16,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3537964458804523) internal successors, (838), 640 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:16,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 838 transitions. [2023-12-15 23:40:16,026 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 838 transitions. Word has length 93 [2023-12-15 23:40:16,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:16,027 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 838 transitions. [2023-12-15 23:40:16,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:16,027 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 838 transitions. [2023-12-15 23:40:16,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 23:40:16,028 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:16,028 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:16,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-15 23:40:16,028 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:16,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:16,028 INFO L85 PathProgramCache]: Analyzing trace with hash 690949312, now seen corresponding path program 1 times [2023-12-15 23:40:16,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:16,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473541936] [2023-12-15 23:40:16,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:16,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:16,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:16,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:16,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473541936] [2023-12-15 23:40:16,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473541936] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:16,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:16,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:16,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082152606] [2023-12-15 23:40:16,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:16,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:16,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:16,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:16,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:16,187 INFO L87 Difference]: Start difference. First operand 641 states and 838 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:17,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:17,185 INFO L93 Difference]: Finished difference Result 1156 states and 1534 transitions. [2023-12-15 23:40:17,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:17,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-15 23:40:17,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:17,187 INFO L225 Difference]: With dead ends: 1156 [2023-12-15 23:40:17,187 INFO L226 Difference]: Without dead ends: 1080 [2023-12-15 23:40:17,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:40:17,188 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 3461 mSDsluCounter, 1769 mSDsCounter, 0 mSdLazyCounter, 1900 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3461 SdHoareTripleChecker+Valid, 2331 SdHoareTripleChecker+Invalid, 1904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:17,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3461 Valid, 2331 Invalid, 1904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1900 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 23:40:17,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2023-12-15 23:40:17,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 641. [2023-12-15 23:40:17,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3521809369951534) internal successors, (837), 640 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:17,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 837 transitions. [2023-12-15 23:40:17,195 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 837 transitions. Word has length 93 [2023-12-15 23:40:17,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:17,196 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 837 transitions. [2023-12-15 23:40:17,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:17,196 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 837 transitions. [2023-12-15 23:40:17,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 23:40:17,197 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:17,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:17,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-15 23:40:17,197 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:17,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:17,198 INFO L85 PathProgramCache]: Analyzing trace with hash -839930569, now seen corresponding path program 1 times [2023-12-15 23:40:17,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:17,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128685970] [2023-12-15 23:40:17,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:17,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:17,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:17,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:17,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128685970] [2023-12-15 23:40:17,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128685970] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:17,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:17,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:17,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388435665] [2023-12-15 23:40:17,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:17,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:17,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:17,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:17,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:17,415 INFO L87 Difference]: Start difference. First operand 641 states and 837 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:18,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:18,431 INFO L93 Difference]: Finished difference Result 1227 states and 1645 transitions. [2023-12-15 23:40:18,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:40:18,431 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-15 23:40:18,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:18,433 INFO L225 Difference]: With dead ends: 1227 [2023-12-15 23:40:18,433 INFO L226 Difference]: Without dead ends: 1128 [2023-12-15 23:40:18,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:40:18,434 INFO L413 NwaCegarLoop]: 789 mSDtfsCounter, 1896 mSDsluCounter, 2410 mSDsCounter, 0 mSdLazyCounter, 2351 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1896 SdHoareTripleChecker+Valid, 3199 SdHoareTripleChecker+Invalid, 2356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:18,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1896 Valid, 3199 Invalid, 2356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2351 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:40:18,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2023-12-15 23:40:18,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 641. [2023-12-15 23:40:18,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3505654281098547) internal successors, (836), 640 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:18,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 836 transitions. [2023-12-15 23:40:18,441 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 836 transitions. Word has length 93 [2023-12-15 23:40:18,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:18,441 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 836 transitions. [2023-12-15 23:40:18,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:18,442 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 836 transitions. [2023-12-15 23:40:18,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 23:40:18,442 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:18,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:18,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-15 23:40:18,443 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:18,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:18,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1312261900, now seen corresponding path program 1 times [2023-12-15 23:40:18,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:18,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381325901] [2023-12-15 23:40:18,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:18,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:18,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:18,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:18,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381325901] [2023-12-15 23:40:18,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381325901] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:18,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:18,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:18,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282915143] [2023-12-15 23:40:18,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:18,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:18,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:18,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:18,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:18,616 INFO L87 Difference]: Start difference. First operand 641 states and 836 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:19,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:19,621 INFO L93 Difference]: Finished difference Result 1156 states and 1531 transitions. [2023-12-15 23:40:19,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:19,621 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-15 23:40:19,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:19,623 INFO L225 Difference]: With dead ends: 1156 [2023-12-15 23:40:19,623 INFO L226 Difference]: Without dead ends: 1080 [2023-12-15 23:40:19,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:40:19,623 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 2292 mSDsluCounter, 1920 mSDsCounter, 0 mSdLazyCounter, 2081 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2292 SdHoareTripleChecker+Valid, 2533 SdHoareTripleChecker+Invalid, 2084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:19,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2292 Valid, 2533 Invalid, 2084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2081 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:40:19,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2023-12-15 23:40:19,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 641. [2023-12-15 23:40:19,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3489499192245558) internal successors, (835), 640 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:19,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 835 transitions. [2023-12-15 23:40:19,629 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 835 transitions. Word has length 93 [2023-12-15 23:40:19,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:19,629 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 835 transitions. [2023-12-15 23:40:19,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:19,630 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 835 transitions. [2023-12-15 23:40:19,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 23:40:19,630 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:19,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:19,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-15 23:40:19,630 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:19,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:19,631 INFO L85 PathProgramCache]: Analyzing trace with hash -26562757, now seen corresponding path program 1 times [2023-12-15 23:40:19,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:19,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744145414] [2023-12-15 23:40:19,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:19,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:19,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:19,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:19,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744145414] [2023-12-15 23:40:19,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744145414] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:19,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:19,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:19,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587156274] [2023-12-15 23:40:19,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:19,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:19,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:19,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:19,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:19,781 INFO L87 Difference]: Start difference. First operand 641 states and 835 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:20,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:20,831 INFO L93 Difference]: Finished difference Result 1222 states and 1637 transitions. [2023-12-15 23:40:20,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:40:20,831 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-15 23:40:20,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:20,833 INFO L225 Difference]: With dead ends: 1222 [2023-12-15 23:40:20,833 INFO L226 Difference]: Without dead ends: 1128 [2023-12-15 23:40:20,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:40:20,833 INFO L413 NwaCegarLoop]: 743 mSDtfsCounter, 2022 mSDsluCounter, 2433 mSDsCounter, 0 mSdLazyCounter, 2281 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 3176 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:20,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 3176 Invalid, 2285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2281 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:40:20,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2023-12-15 23:40:20,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 641. [2023-12-15 23:40:20,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3473344103392568) internal successors, (834), 640 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:20,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 834 transitions. [2023-12-15 23:40:20,840 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 834 transitions. Word has length 93 [2023-12-15 23:40:20,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:20,840 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 834 transitions. [2023-12-15 23:40:20,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:20,840 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 834 transitions. [2023-12-15 23:40:20,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 23:40:20,841 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:20,841 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:20,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-15 23:40:20,841 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:20,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:20,841 INFO L85 PathProgramCache]: Analyzing trace with hash -941703311, now seen corresponding path program 1 times [2023-12-15 23:40:20,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:20,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092274087] [2023-12-15 23:40:20,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:20,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:21,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:21,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:21,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092274087] [2023-12-15 23:40:21,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092274087] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:21,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:21,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:21,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574977210] [2023-12-15 23:40:21,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:21,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:21,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:21,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:21,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:21,002 INFO L87 Difference]: Start difference. First operand 641 states and 834 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:21,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:21,954 INFO L93 Difference]: Finished difference Result 1227 states and 1641 transitions. [2023-12-15 23:40:21,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:40:21,954 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-15 23:40:21,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:21,956 INFO L225 Difference]: With dead ends: 1227 [2023-12-15 23:40:21,956 INFO L226 Difference]: Without dead ends: 1128 [2023-12-15 23:40:21,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:40:21,956 INFO L413 NwaCegarLoop]: 704 mSDtfsCounter, 2191 mSDsluCounter, 2402 mSDsCounter, 0 mSdLazyCounter, 2180 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2191 SdHoareTripleChecker+Valid, 3106 SdHoareTripleChecker+Invalid, 2184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:21,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2191 Valid, 3106 Invalid, 2184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2180 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:40:21,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2023-12-15 23:40:21,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 641. [2023-12-15 23:40:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.345718901453958) internal successors, (833), 640 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:21,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 833 transitions. [2023-12-15 23:40:21,963 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 833 transitions. Word has length 93 [2023-12-15 23:40:21,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:21,964 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 833 transitions. [2023-12-15 23:40:21,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:21,964 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 833 transitions. [2023-12-15 23:40:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 23:40:21,964 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:21,965 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:21,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-15 23:40:21,965 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:21,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:21,965 INFO L85 PathProgramCache]: Analyzing trace with hash -170860907, now seen corresponding path program 1 times [2023-12-15 23:40:21,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:21,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185356226] [2023-12-15 23:40:21,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:21,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:22,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:22,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:22,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185356226] [2023-12-15 23:40:22,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185356226] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:22,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:22,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:22,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573719059] [2023-12-15 23:40:22,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:22,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:22,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:22,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:22,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:22,154 INFO L87 Difference]: Start difference. First operand 641 states and 833 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:22,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:22,892 INFO L93 Difference]: Finished difference Result 1156 states and 1527 transitions. [2023-12-15 23:40:22,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:22,892 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-15 23:40:22,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:22,894 INFO L225 Difference]: With dead ends: 1156 [2023-12-15 23:40:22,894 INFO L226 Difference]: Without dead ends: 1080 [2023-12-15 23:40:22,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:40:22,894 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 3439 mSDsluCounter, 1765 mSDsCounter, 0 mSdLazyCounter, 1886 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3439 SdHoareTripleChecker+Valid, 2326 SdHoareTripleChecker+Invalid, 1890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:22,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3439 Valid, 2326 Invalid, 1890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1886 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-15 23:40:22,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2023-12-15 23:40:22,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 641. [2023-12-15 23:40:22,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3441033925686592) internal successors, (832), 640 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:22,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 832 transitions. [2023-12-15 23:40:22,900 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 832 transitions. Word has length 93 [2023-12-15 23:40:22,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:22,900 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 832 transitions. [2023-12-15 23:40:22,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:22,904 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 832 transitions. [2023-12-15 23:40:22,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 23:40:22,904 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:22,904 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:22,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-15 23:40:22,905 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:22,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:22,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1086119729, now seen corresponding path program 1 times [2023-12-15 23:40:22,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:22,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939605058] [2023-12-15 23:40:22,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:22,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:23,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:23,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:23,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939605058] [2023-12-15 23:40:23,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939605058] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:23,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:23,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:23,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151213190] [2023-12-15 23:40:23,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:23,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:23,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:23,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:23,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:23,068 INFO L87 Difference]: Start difference. First operand 641 states and 832 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:23,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:23,986 INFO L93 Difference]: Finished difference Result 1236 states and 1648 transitions. [2023-12-15 23:40:23,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:40:23,986 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-15 23:40:23,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:23,988 INFO L225 Difference]: With dead ends: 1236 [2023-12-15 23:40:23,988 INFO L226 Difference]: Without dead ends: 1128 [2023-12-15 23:40:23,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:40:23,989 INFO L413 NwaCegarLoop]: 786 mSDtfsCounter, 1900 mSDsluCounter, 2414 mSDsCounter, 0 mSdLazyCounter, 2322 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1900 SdHoareTripleChecker+Valid, 3200 SdHoareTripleChecker+Invalid, 2327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:23,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1900 Valid, 3200 Invalid, 2327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2322 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 23:40:23,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2023-12-15 23:40:23,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 641. [2023-12-15 23:40:23,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3424878836833603) internal successors, (831), 640 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:23,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 831 transitions. [2023-12-15 23:40:23,995 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 831 transitions. Word has length 93 [2023-12-15 23:40:23,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:23,995 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 831 transitions. [2023-12-15 23:40:23,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:23,995 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 831 transitions. [2023-12-15 23:40:23,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 23:40:23,996 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:23,996 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:23,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-15 23:40:23,996 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:23,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:23,996 INFO L85 PathProgramCache]: Analyzing trace with hash -960925632, now seen corresponding path program 1 times [2023-12-15 23:40:23,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:23,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986990003] [2023-12-15 23:40:23,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:23,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:24,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:24,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:24,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986990003] [2023-12-15 23:40:24,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986990003] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:24,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:24,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:24,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167425201] [2023-12-15 23:40:24,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:24,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:24,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:24,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:24,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:24,145 INFO L87 Difference]: Start difference. First operand 641 states and 831 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:24,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:24,790 INFO L93 Difference]: Finished difference Result 1159 states and 1527 transitions. [2023-12-15 23:40:24,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:24,790 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2023-12-15 23:40:24,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:24,792 INFO L225 Difference]: With dead ends: 1159 [2023-12-15 23:40:24,792 INFO L226 Difference]: Without dead ends: 1080 [2023-12-15 23:40:24,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:40:24,793 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 3437 mSDsluCounter, 1765 mSDsCounter, 0 mSdLazyCounter, 1873 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3437 SdHoareTripleChecker+Valid, 2327 SdHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:24,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3437 Valid, 2327 Invalid, 1877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1873 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 23:40:24,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2023-12-15 23:40:24,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 641. [2023-12-15 23:40:24,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3408723747980613) internal successors, (830), 640 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:24,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 830 transitions. [2023-12-15 23:40:24,798 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 830 transitions. Word has length 93 [2023-12-15 23:40:24,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:24,798 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 830 transitions. [2023-12-15 23:40:24,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:24,798 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 830 transitions. [2023-12-15 23:40:24,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:40:24,799 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:24,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:24,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-15 23:40:24,799 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:24,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:24,799 INFO L85 PathProgramCache]: Analyzing trace with hash 15926189, now seen corresponding path program 1 times [2023-12-15 23:40:24,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:24,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129974764] [2023-12-15 23:40:24,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:24,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:25,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:25,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:25,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129974764] [2023-12-15 23:40:25,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129974764] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:25,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:25,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:25,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401261638] [2023-12-15 23:40:25,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:25,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:25,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:25,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:25,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:25,041 INFO L87 Difference]: Start difference. First operand 641 states and 830 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:26,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:26,043 INFO L93 Difference]: Finished difference Result 1284 states and 1710 transitions. [2023-12-15 23:40:26,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:26,043 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-12-15 23:40:26,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:26,045 INFO L225 Difference]: With dead ends: 1284 [2023-12-15 23:40:26,045 INFO L226 Difference]: Without dead ends: 1131 [2023-12-15 23:40:26,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:40:26,046 INFO L413 NwaCegarLoop]: 800 mSDtfsCounter, 3212 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 2271 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3212 SdHoareTripleChecker+Valid, 3053 SdHoareTripleChecker+Invalid, 2276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:26,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3212 Valid, 3053 Invalid, 2276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2271 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-15 23:40:26,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2023-12-15 23:40:26,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 637. [2023-12-15 23:40:26,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3414634146341464) internal successors, (825), 636 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:26,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 825 transitions. [2023-12-15 23:40:26,054 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 825 transitions. Word has length 94 [2023-12-15 23:40:26,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:26,054 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 825 transitions. [2023-12-15 23:40:26,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:26,055 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 825 transitions. [2023-12-15 23:40:26,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 23:40:26,055 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:26,055 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:26,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-12-15 23:40:26,056 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:26,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:26,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1752046435, now seen corresponding path program 1 times [2023-12-15 23:40:26,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:26,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589061089] [2023-12-15 23:40:26,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:26,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:26,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:26,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:26,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589061089] [2023-12-15 23:40:26,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589061089] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:26,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:26,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:26,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152819681] [2023-12-15 23:40:26,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:26,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:26,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:26,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:26,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:26,194 INFO L87 Difference]: Start difference. First operand 637 states and 825 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:26,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:26,826 INFO L93 Difference]: Finished difference Result 1149 states and 1514 transitions. [2023-12-15 23:40:26,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:26,826 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2023-12-15 23:40:26,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:26,828 INFO L225 Difference]: With dead ends: 1149 [2023-12-15 23:40:26,828 INFO L226 Difference]: Without dead ends: 1074 [2023-12-15 23:40:26,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:40:26,829 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 3415 mSDsluCounter, 1766 mSDsCounter, 0 mSdLazyCounter, 1865 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3415 SdHoareTripleChecker+Valid, 2327 SdHoareTripleChecker+Invalid, 1869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:26,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3415 Valid, 2327 Invalid, 1869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1865 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 23:40:26,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2023-12-15 23:40:26,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 636. [2023-12-15 23:40:26,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 614 states have (on average 1.3403908794788273) internal successors, (823), 635 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:26,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 823 transitions. [2023-12-15 23:40:26,834 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 823 transitions. Word has length 94 [2023-12-15 23:40:26,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:26,835 INFO L495 AbstractCegarLoop]: Abstraction has 636 states and 823 transitions. [2023-12-15 23:40:26,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:26,835 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 823 transitions. [2023-12-15 23:40:26,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-15 23:40:26,835 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:26,835 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:26,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-12-15 23:40:26,836 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:26,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:26,837 INFO L85 PathProgramCache]: Analyzing trace with hash 296209564, now seen corresponding path program 1 times [2023-12-15 23:40:26,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:26,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732360425] [2023-12-15 23:40:26,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:26,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:27,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:27,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:27,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732360425] [2023-12-15 23:40:27,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732360425] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:27,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:27,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:27,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915958852] [2023-12-15 23:40:27,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:27,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:27,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:27,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:27,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:27,171 INFO L87 Difference]: Start difference. First operand 636 states and 823 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:28,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:28,034 INFO L93 Difference]: Finished difference Result 1198 states and 1588 transitions. [2023-12-15 23:40:28,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:28,035 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-15 23:40:28,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:28,037 INFO L225 Difference]: With dead ends: 1198 [2023-12-15 23:40:28,037 INFO L226 Difference]: Without dead ends: 1107 [2023-12-15 23:40:28,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-15 23:40:28,038 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 3411 mSDsluCounter, 2034 mSDsCounter, 0 mSdLazyCounter, 1998 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3411 SdHoareTripleChecker+Valid, 2653 SdHoareTripleChecker+Invalid, 2003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:28,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3411 Valid, 2653 Invalid, 2003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1998 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:40:28,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2023-12-15 23:40:28,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 636. [2023-12-15 23:40:28,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 614 states have (on average 1.3387622149837133) internal successors, (822), 635 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:28,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 822 transitions. [2023-12-15 23:40:28,045 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 822 transitions. Word has length 95 [2023-12-15 23:40:28,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:28,046 INFO L495 AbstractCegarLoop]: Abstraction has 636 states and 822 transitions. [2023-12-15 23:40:28,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:28,046 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 822 transitions. [2023-12-15 23:40:28,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-15 23:40:28,046 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:28,051 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:28,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-12-15 23:40:28,052 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:28,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:28,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1335545213, now seen corresponding path program 1 times [2023-12-15 23:40:28,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:28,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300559200] [2023-12-15 23:40:28,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:28,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:28,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:28,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:28,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300559200] [2023-12-15 23:40:28,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300559200] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:28,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:28,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:28,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392961600] [2023-12-15 23:40:28,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:28,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:28,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:28,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:28,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:28,400 INFO L87 Difference]: Start difference. First operand 636 states and 822 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:29,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:29,237 INFO L93 Difference]: Finished difference Result 1153 states and 1515 transitions. [2023-12-15 23:40:29,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:29,237 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-15 23:40:29,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:29,239 INFO L225 Difference]: With dead ends: 1153 [2023-12-15 23:40:29,239 INFO L226 Difference]: Without dead ends: 1074 [2023-12-15 23:40:29,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:40:29,241 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 3364 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 1873 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3364 SdHoareTripleChecker+Valid, 2382 SdHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:29,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3364 Valid, 2382 Invalid, 1877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1873 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:40:29,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2023-12-15 23:40:29,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 636. [2023-12-15 23:40:29,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 614 states have (on average 1.3371335504885993) internal successors, (821), 635 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:29,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 821 transitions. [2023-12-15 23:40:29,247 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 821 transitions. Word has length 95 [2023-12-15 23:40:29,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:29,247 INFO L495 AbstractCegarLoop]: Abstraction has 636 states and 821 transitions. [2023-12-15 23:40:29,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:29,247 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 821 transitions. [2023-12-15 23:40:29,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-15 23:40:29,248 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:29,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:29,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-12-15 23:40:29,249 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:29,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:29,250 INFO L85 PathProgramCache]: Analyzing trace with hash -186851275, now seen corresponding path program 1 times [2023-12-15 23:40:29,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:29,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263497435] [2023-12-15 23:40:29,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:29,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:29,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:29,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:29,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263497435] [2023-12-15 23:40:29,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263497435] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:29,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:29,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:29,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133324369] [2023-12-15 23:40:29,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:29,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:29,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:29,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:29,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:29,457 INFO L87 Difference]: Start difference. First operand 636 states and 821 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:30,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:30,267 INFO L93 Difference]: Finished difference Result 1237 states and 1638 transitions. [2023-12-15 23:40:30,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-15 23:40:30,267 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-15 23:40:30,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:30,269 INFO L225 Difference]: With dead ends: 1237 [2023-12-15 23:40:30,269 INFO L226 Difference]: Without dead ends: 1123 [2023-12-15 23:40:30,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-15 23:40:30,270 INFO L413 NwaCegarLoop]: 878 mSDtfsCounter, 1893 mSDsluCounter, 2993 mSDsCounter, 0 mSdLazyCounter, 2703 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1893 SdHoareTripleChecker+Valid, 3871 SdHoareTripleChecker+Invalid, 2707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:30,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1893 Valid, 3871 Invalid, 2707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2703 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:40:30,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2023-12-15 23:40:30,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 636. [2023-12-15 23:40:30,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 614 states have (on average 1.3355048859934853) internal successors, (820), 635 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:30,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 820 transitions. [2023-12-15 23:40:30,275 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 820 transitions. Word has length 95 [2023-12-15 23:40:30,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:30,275 INFO L495 AbstractCegarLoop]: Abstraction has 636 states and 820 transitions. [2023-12-15 23:40:30,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:30,275 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 820 transitions. [2023-12-15 23:40:30,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-15 23:40:30,276 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:30,276 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:30,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-12-15 23:40:30,277 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:30,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:30,277 INFO L85 PathProgramCache]: Analyzing trace with hash -605094739, now seen corresponding path program 1 times [2023-12-15 23:40:30,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:30,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743165483] [2023-12-15 23:40:30,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:30,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:30,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:30,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:30,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743165483] [2023-12-15 23:40:30,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743165483] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:30,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:30,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:30,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933810400] [2023-12-15 23:40:30,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:30,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:30,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:30,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:30,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:30,515 INFO L87 Difference]: Start difference. First operand 636 states and 820 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:31,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:31,430 INFO L93 Difference]: Finished difference Result 1153 states and 1513 transitions. [2023-12-15 23:40:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:31,430 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-15 23:40:31,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:31,432 INFO L225 Difference]: With dead ends: 1153 [2023-12-15 23:40:31,432 INFO L226 Difference]: Without dead ends: 1074 [2023-12-15 23:40:31,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:40:31,433 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 2330 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2330 SdHoareTripleChecker+Valid, 2382 SdHoareTripleChecker+Invalid, 1870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:31,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2330 Valid, 2382 Invalid, 1870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1866 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 23:40:31,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2023-12-15 23:40:31,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 636. [2023-12-15 23:40:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 614 states have (on average 1.3338762214983713) internal successors, (819), 635 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:31,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 819 transitions. [2023-12-15 23:40:31,438 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 819 transitions. Word has length 95 [2023-12-15 23:40:31,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:31,439 INFO L495 AbstractCegarLoop]: Abstraction has 636 states and 819 transitions. [2023-12-15 23:40:31,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:31,439 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 819 transitions. [2023-12-15 23:40:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-15 23:40:31,439 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:31,440 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:31,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-12-15 23:40:31,440 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:31,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:31,440 INFO L85 PathProgramCache]: Analyzing trace with hash -174985950, now seen corresponding path program 1 times [2023-12-15 23:40:31,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:31,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228652763] [2023-12-15 23:40:31,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:31,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:31,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:31,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:31,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228652763] [2023-12-15 23:40:31,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228652763] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:31,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:31,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:31,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198569625] [2023-12-15 23:40:31,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:31,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:31,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:31,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:31,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:31,615 INFO L87 Difference]: Start difference. First operand 636 states and 819 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:32,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:32,416 INFO L93 Difference]: Finished difference Result 1150 states and 1509 transitions. [2023-12-15 23:40:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:32,416 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-15 23:40:32,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:32,418 INFO L225 Difference]: With dead ends: 1150 [2023-12-15 23:40:32,418 INFO L226 Difference]: Without dead ends: 1074 [2023-12-15 23:40:32,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-15 23:40:32,419 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 2325 mSDsluCounter, 1808 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2325 SdHoareTripleChecker+Valid, 2382 SdHoareTripleChecker+Invalid, 1870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:32,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2325 Valid, 2382 Invalid, 1870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1866 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 23:40:32,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2023-12-15 23:40:32,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 636. [2023-12-15 23:40:32,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 614 states have (on average 1.3322475570032573) internal successors, (818), 635 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:32,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 818 transitions. [2023-12-15 23:40:32,424 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 818 transitions. Word has length 95 [2023-12-15 23:40:32,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:32,424 INFO L495 AbstractCegarLoop]: Abstraction has 636 states and 818 transitions. [2023-12-15 23:40:32,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:32,425 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 818 transitions. [2023-12-15 23:40:32,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-15 23:40:32,425 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:32,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:32,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-12-15 23:40:32,426 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:32,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:32,426 INFO L85 PathProgramCache]: Analyzing trace with hash -188296274, now seen corresponding path program 1 times [2023-12-15 23:40:32,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:32,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047448301] [2023-12-15 23:40:32,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:32,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:32,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:32,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:32,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047448301] [2023-12-15 23:40:32,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047448301] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:32,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:32,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:32,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949568600] [2023-12-15 23:40:32,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:32,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:32,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:32,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:32,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:32,720 INFO L87 Difference]: Start difference. First operand 636 states and 818 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:33,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 23:40:33,746 INFO L93 Difference]: Finished difference Result 1193 states and 1577 transitions. [2023-12-15 23:40:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 23:40:33,746 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2023-12-15 23:40:33,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 23:40:33,747 INFO L225 Difference]: With dead ends: 1193 [2023-12-15 23:40:33,747 INFO L226 Difference]: Without dead ends: 1107 [2023-12-15 23:40:33,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-15 23:40:33,748 INFO L413 NwaCegarLoop]: 697 mSDtfsCounter, 3012 mSDsluCounter, 2226 mSDsCounter, 0 mSdLazyCounter, 2182 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3012 SdHoareTripleChecker+Valid, 2923 SdHoareTripleChecker+Invalid, 2186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:33,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3012 Valid, 2923 Invalid, 2186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2182 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 23:40:33,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2023-12-15 23:40:33,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 636. [2023-12-15 23:40:33,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 614 states have (on average 1.3306188925081432) internal successors, (817), 635 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 817 transitions. [2023-12-15 23:40:33,753 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 817 transitions. Word has length 95 [2023-12-15 23:40:33,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 23:40:33,754 INFO L495 AbstractCegarLoop]: Abstraction has 636 states and 817 transitions. [2023-12-15 23:40:33,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 23:40:33,754 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 817 transitions. [2023-12-15 23:40:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-15 23:40:33,754 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 23:40:33,754 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:33,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-12-15 23:40:33,755 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2023-12-15 23:40:33,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 23:40:33,755 INFO L85 PathProgramCache]: Analyzing trace with hash -880482986, now seen corresponding path program 1 times [2023-12-15 23:40:33,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 23:40:33,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548323750] [2023-12-15 23:40:33,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 23:40:33,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 23:40:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 23:40:33,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 23:40:33,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 23:40:33,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548323750] [2023-12-15 23:40:33,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548323750] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 23:40:33,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 23:40:33,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 23:40:33,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156699185] [2023-12-15 23:40:33,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 23:40:33,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 23:40:33,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 23:40:33,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 23:40:33,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 23:40:33,889 INFO L87 Difference]: Start difference. First operand 636 states and 817 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2023-12-15 23:40:33,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-15 23:40:33,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-12-15 23:40:33,995 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 163 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 23:40:33,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 151 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 23:40:33,996 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (21 of 22 remaining) [2023-12-15 23:40:33,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-12-15 23:40:33,997 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). [2023-12-15 23:40:33,998 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (20 of 22 remaining) [2023-12-15 23:40:33,998 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (19 of 22 remaining) [2023-12-15 23:40:33,998 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (18 of 22 remaining) [2023-12-15 23:40:33,998 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (17 of 22 remaining) [2023-12-15 23:40:33,998 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (16 of 22 remaining) [2023-12-15 23:40:33,998 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (15 of 22 remaining) [2023-12-15 23:40:33,998 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (14 of 22 remaining) [2023-12-15 23:40:33,998 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (13 of 22 remaining) [2023-12-15 23:40:33,999 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (12 of 22 remaining) [2023-12-15 23:40:33,999 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (11 of 22 remaining) [2023-12-15 23:40:33,999 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (10 of 22 remaining) [2023-12-15 23:40:33,999 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (9 of 22 remaining) [2023-12-15 23:40:33,999 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (8 of 22 remaining) [2023-12-15 23:40:33,999 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (7 of 22 remaining) [2023-12-15 23:40:33,999 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (6 of 22 remaining) [2023-12-15 23:40:33,999 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (5 of 22 remaining) [2023-12-15 23:40:33,999 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (4 of 22 remaining) [2023-12-15 23:40:33,999 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (3 of 22 remaining) [2023-12-15 23:40:33,999 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (2 of 22 remaining) [2023-12-15 23:40:33,999 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (1 of 22 remaining) [2023-12-15 23:40:33,999 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (0 of 22 remaining) [2023-12-15 23:40:34,002 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 23:40:34,004 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 23:40:34,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 11:40:34 BoogieIcfgContainer [2023-12-15 23:40:34,006 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 23:40:34,006 INFO L158 Benchmark]: Toolchain (without parser) took 58539.21ms. Allocated memory was 332.4MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 277.3MB in the beginning and 1.1GB in the end (delta: -782.2MB). Peak memory consumption was 219.4MB. Max. memory is 8.0GB. [2023-12-15 23:40:34,006 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 241.2MB. Free memory is still 194.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 23:40:34,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1954.28ms. Allocated memory is still 332.4MB. Free memory was 277.3MB in the beginning and 188.6MB in the end (delta: 88.7MB). Peak memory consumption was 89.9MB. Max. memory is 8.0GB. [2023-12-15 23:40:34,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 201.63ms. Allocated memory is still 332.4MB. Free memory was 188.6MB in the beginning and 145.7MB in the end (delta: 42.9MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2023-12-15 23:40:34,006 INFO L158 Benchmark]: Boogie Preprocessor took 452.85ms. Allocated memory was 332.4MB in the beginning and 524.3MB in the end (delta: 191.9MB). Free memory was 145.7MB in the beginning and 440.2MB in the end (delta: -294.5MB). Peak memory consumption was 61.0MB. Max. memory is 8.0GB. [2023-12-15 23:40:34,007 INFO L158 Benchmark]: RCFGBuilder took 3815.06ms. Allocated memory was 524.3MB in the beginning and 911.2MB in the end (delta: 386.9MB). Free memory was 440.2MB in the beginning and 731.3MB in the end (delta: -291.1MB). Peak memory consumption was 189.7MB. Max. memory is 8.0GB. [2023-12-15 23:40:34,007 INFO L158 Benchmark]: TraceAbstraction took 52109.99ms. Allocated memory was 911.2MB in the beginning and 1.3GB in the end (delta: 421.5MB). Free memory was 730.7MB in the beginning and 1.1GB in the end (delta: -328.8MB). Peak memory consumption was 93.3MB. Max. memory is 8.0GB. [2023-12-15 23:40:34,007 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 241.2MB. Free memory is still 194.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1954.28ms. Allocated memory is still 332.4MB. Free memory was 277.3MB in the beginning and 188.6MB in the end (delta: 88.7MB). Peak memory consumption was 89.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 201.63ms. Allocated memory is still 332.4MB. Free memory was 188.6MB in the beginning and 145.7MB in the end (delta: 42.9MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 452.85ms. Allocated memory was 332.4MB in the beginning and 524.3MB in the end (delta: 191.9MB). Free memory was 145.7MB in the beginning and 440.2MB in the end (delta: -294.5MB). Peak memory consumption was 61.0MB. Max. memory is 8.0GB. * RCFGBuilder took 3815.06ms. Allocated memory was 524.3MB in the beginning and 911.2MB in the end (delta: 386.9MB). Free memory was 440.2MB in the beginning and 731.3MB in the end (delta: -291.1MB). Peak memory consumption was 189.7MB. Max. memory is 8.0GB. * TraceAbstraction took 52109.99ms. Allocated memory was 911.2MB in the beginning and 1.3GB in the end (delta: 421.5MB). Free memory was 730.7MB in the beginning and 1.1GB in the end (delta: -328.8MB). Peak memory consumption was 93.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 9111]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 9111). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 5328]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 5328). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 7858]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7858). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 9732]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 9732). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 10040]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 10040). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 10331]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 10331). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 12835]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 12835). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 14076]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 14076). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 14697]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 14697). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 15005]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 15005). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 15296]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 15296). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 16612]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 16612). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 17233]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 17233). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 17541]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 17541). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 17832]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 17832). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 18178]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 18178). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 18480]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 18480). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 18788]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 18788). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 19079]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19079). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 19399]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19399). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 19691]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19691). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 19994]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19994). Cancelled while NwaCegarLoop was constructing difference of abstraction (636states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (76 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2346 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 52.1s, OverallIterations: 44, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 41.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145825 SdHoareTripleChecker+Valid, 35.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 145825 mSDsluCounter, 108860 SdHoareTripleChecker+Invalid, 28.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 79876 mSDsCounter, 689 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86553 IncrementalHoareTripleChecker+Invalid, 87242 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 689 mSolverCounterUnsat, 28984 mSDtfsCounter, 86553 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 749 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 705 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2390 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2346occurred in iteration=0, InterpolantAutomatonStates: 589, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 43 MinimizatonAttempts, 18616 StatesRemovedByMinimization, 37 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 4031 NumberOfCodeBlocks, 4031 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 3987 ConstructedInterpolants, 0 QuantifiedInterpolants, 31608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 44 InterpolantComputations, 44 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown